/*
 *  Catch v2.13.6
 *  Generated: 2021-04-16 18:23:38.044268
 *  ----------------------------------------------------------
 *  This file has been merged from multiple headers. Please don't edit it directly
 *  Copyright (c) 2021 Two Blue Cubes Ltd. All rights reserved.
 *
 *  Distributed under the Boost Software License, Version 1.0. (See accompanying
 *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 */
#ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
#define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED
// start catch.hpp

#define CATCH_VERSION_MAJOR 2
#define CATCH_VERSION_MINOR 13
#define CATCH_VERSION_PATCH 6

#ifdef __clang__
#pragma clang system_header
#elif defined __GNUC__
#pragma GCC system_header
#endif

// start catch_suppress_warnings.h

#ifdef __clang__
#ifdef __ICC // icpc defines the __clang__ macro
#pragma warning(push)
#pragma warning(disable : 161 1682)
#else // __ICC
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#pragma clang diagnostic ignored "-Wswitch-enum"
#pragma clang diagnostic ignored "-Wcovered-switch-default"
#endif
#elif defined __GNUC__
// Because REQUIREs trigger GCC's -Wparentheses, and because still
// supported version of g++ have only buggy support for _Pragmas,
// Wparentheses have to be suppressed globally.
#pragma GCC diagnostic ignored "-Wparentheses" // See #674 for details

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-variable"
#pragma GCC diagnostic ignored "-Wpadded"
#endif
// end catch_suppress_warnings.h
#if defined(CATCH_CONFIG_MAIN) || defined(CATCH_CONFIG_RUNNER)
#define CATCH_IMPL
#define CATCH_CONFIG_ALL_PARTS
#endif

// In the impl file, we want to have access to all parts of the headers
// Can also be used to sanely support PCHs
#if defined(CATCH_CONFIG_ALL_PARTS)
#define CATCH_CONFIG_EXTERNAL_INTERFACES
#if defined(CATCH_CONFIG_DISABLE_MATCHERS)
#undef CATCH_CONFIG_DISABLE_MATCHERS
#endif
#if !defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
#define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
#endif
#endif

#if !defined(CATCH_CONFIG_IMPL_ONLY)
// start catch_platform.h

// See e.g.:
// https://opensource.apple.com/source/CarbonHeaders/CarbonHeaders-18.1/TargetConditionals.h.auto.html
#ifdef __APPLE__
#include <TargetConditionals.h>
#if (defined(TARGET_OS_OSX) && TARGET_OS_OSX == 1) || (defined(TARGET_OS_MAC) && TARGET_OS_MAC == 1)
#define CATCH_PLATFORM_MAC
#elif (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE == 1)
#define CATCH_PLATFORM_IPHONE
#endif

#elif defined(linux) || defined(__linux) || defined(__linux__)
#define CATCH_PLATFORM_LINUX

#elif defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER) || defined(__MINGW32__)
#define CATCH_PLATFORM_WINDOWS
#endif

// end catch_platform.h

#ifdef CATCH_IMPL
#ifndef CLARA_CONFIG_MAIN
#define CLARA_CONFIG_MAIN_NOT_DEFINED
#define CLARA_CONFIG_MAIN
#endif
#endif

// start catch_user_interfaces.h

namespace Catch {
  unsigned int rngSeed();
}

// end catch_user_interfaces.h
// start catch_tag_alias_autoregistrar.h

// start catch_common.h

// start catch_compiler_capabilities.h

// Detect a number of compiler features - by compiler
// The following features are defined:
//
// CATCH_CONFIG_COUNTER : is the __COUNTER__ macro supported?
// CATCH_CONFIG_WINDOWS_SEH : is Windows SEH supported?
// CATCH_CONFIG_POSIX_SIGNALS : are POSIX signals supported?
// CATCH_CONFIG_DISABLE_EXCEPTIONS : Are exceptions enabled?
// ****************
// Note to maintainers: if new toggles are added please document them
// in configuration.md, too
// ****************

// In general each macro has a _NO_<feature name> form
// (e.g. CATCH_CONFIG_NO_POSIX_SIGNALS) which disables the feature.
// Many features, at point of detection, define an _INTERNAL_ macro, so they
// can be combined, en-mass, with the _NO_ forms later.

#ifdef __cplusplus

#if (__cplusplus >= 201402L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201402L)
#define CATCH_CPP14_OR_GREATER
#endif

#if (__cplusplus >= 201703L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
#define CATCH_CPP17_OR_GREATER
#endif

#endif

// Only GCC compiler should be used in this block, so other compilers trying to
// mask themselves as GCC should be ignored.
#if defined(__GNUC__) && !defined(__clang__) && !defined(__ICC) && !defined(__CUDACC__) && !defined(__LCC__)
#define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma("GCC diagnostic push")
#define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION _Pragma("GCC diagnostic pop")

#define CATCH_INTERNAL_IGNORE_BUT_WARN(...) (void)__builtin_constant_p(__VA_ARGS__)

#endif

#if defined(__clang__)

#define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma("clang diagnostic push")
#define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION _Pragma("clang diagnostic pop")

// As of this writing, IBM XL's implementation of __builtin_constant_p has a bug
// which results in calls to destructors being emitted for each temporary,
// without a matching initialization. In practice, this can result in something
// like `std::string::~string` being called on an uninitialized value.
//
// For example, this code will likely segfault under IBM XL:
// ```
// REQUIRE(std::string("12") + "34" == "1234")
// ```
//
// Therefore, `CATCH_INTERNAL_IGNORE_BUT_WARN` is not implemented.
#if !defined(__ibmxl__) && !defined(__CUDACC__)
#define CATCH_INTERNAL_IGNORE_BUT_WARN(...) \
  (void)__builtin_constant_p(__VA_ARGS__) /* NOLINT(cppcoreguidelines-pro-type-vararg, hicpp-vararg) */
#endif

#define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
  _Pragma("clang diagnostic ignored \"-Wexit-time-destructors\"") _Pragma("clang diagnostic ignored \"-Wglobal-constructors\"")

#define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS _Pragma("clang diagnostic ignored \"-Wparentheses\"")

#define CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS _Pragma("clang diagnostic ignored \"-Wunused-variable\"")

#define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS _Pragma("clang diagnostic ignored \"-Wgnu-zero-variadic-macro-arguments\"")

#define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS _Pragma("clang diagnostic ignored \"-Wunused-template\"")

#endif // __clang__

////////////////////////////////////////////////////////////////////////////////
// Assume that non-Windows platforms support posix signals by default
#if !defined(CATCH_PLATFORM_WINDOWS)
#define CATCH_INTERNAL_CONFIG_POSIX_SIGNALS
#endif

////////////////////////////////////////////////////////////////////////////////
// We know some environments not to support full POSIX signals
#if defined(__CYGWIN__) || defined(__QNX__) || defined(__EMSCRIPTEN__) || defined(__DJGPP__)
#define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
#endif

#ifdef __OS400__
#define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
#define CATCH_CONFIG_COLOUR_NONE
#endif

////////////////////////////////////////////////////////////////////////////////
// Android somehow still does not support std::to_string
#if defined(__ANDROID__)
#define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING
#define CATCH_INTERNAL_CONFIG_ANDROID_LOGWRITE
#endif

////////////////////////////////////////////////////////////////////////////////
// Not all Windows environments support SEH properly
#if defined(__MINGW32__)
#define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH
#endif

////////////////////////////////////////////////////////////////////////////////
// PS4
#if defined(__ORBIS__)
#define CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE
#endif

////////////////////////////////////////////////////////////////////////////////
// Cygwin
#ifdef __CYGWIN__

// Required for some versions of Cygwin to declare gettimeofday
// see: http://stackoverflow.com/questions/36901803/gettimeofday-not-declared-in-this-scope-cygwin
#define _BSD_SOURCE
// some versions of cygwin (most) do not support std::to_string. Use the libstd check.
// https://gcc.gnu.org/onlinedocs/gcc-4.8.2/libstdc++/api/a01053_source.html line 2812-2813
#if !((__cplusplus >= 201103L) && defined(_GLIBCXX_USE_C99) && !defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF))

#define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING

#endif
#endif // __CYGWIN__

////////////////////////////////////////////////////////////////////////////////
// Visual C++
#if defined(_MSC_VER)

#define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION __pragma(warning(push))
#define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION __pragma(warning(pop))

// Universal Windows platform does not support SEH
// Or console colours (or console at all...)
#if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP)
#define CATCH_CONFIG_COLOUR_NONE
#else
#define CATCH_INTERNAL_CONFIG_WINDOWS_SEH
#endif

// MSVC traditional preprocessor needs some workaround for __VA_ARGS__
// _MSVC_TRADITIONAL == 0 means new conformant preprocessor
// _MSVC_TRADITIONAL == 1 means old traditional non-conformant preprocessor
#if !defined(__clang__) // Handle Clang masquerading for msvc
#if !defined(_MSVC_TRADITIONAL) || (defined(_MSVC_TRADITIONAL) && _MSVC_TRADITIONAL)
#define CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#endif // MSVC_TRADITIONAL
#endif // __clang__

#endif // _MSC_VER

#if defined(_REENTRANT) || defined(_MSC_VER)
// Enable async processing, as -pthread is specified or no additional linking is required
#define CATCH_INTERNAL_CONFIG_USE_ASYNC
#endif // _MSC_VER

////////////////////////////////////////////////////////////////////////////////
// Check if we are compiled with -fno-exceptions or equivalent
#if defined(__EXCEPTIONS) || defined(__cpp_exceptions) || defined(_CPPUNWIND)
#define CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED
#endif

////////////////////////////////////////////////////////////////////////////////
// DJGPP
#ifdef __DJGPP__
#define CATCH_INTERNAL_CONFIG_NO_WCHAR
#endif // __DJGPP__

////////////////////////////////////////////////////////////////////////////////
// Embarcadero C++Build
#if defined(__BORLANDC__)
#define CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN
#endif

////////////////////////////////////////////////////////////////////////////////

// Use of __COUNTER__ is suppressed during code analysis in
// CLion/AppCode 2017.2.x and former, because __COUNTER__ is not properly
// handled by it.
// Otherwise all supported compilers support COUNTER macro,
// but user still might want to turn it off
#if (!defined(__JETBRAINS_IDE__) || __JETBRAINS_IDE__ >= 20170300L)
#define CATCH_INTERNAL_CONFIG_COUNTER
#endif

////////////////////////////////////////////////////////////////////////////////

// RTX is a special version of Windows that is real time.
// This means that it is detected as Windows, but does not provide
// the same set of capabilities as real Windows does.
#if defined(UNDER_RTSS) || defined(RTX64_BUILD)
#define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH
#define CATCH_INTERNAL_CONFIG_NO_ASYNC
#define CATCH_CONFIG_COLOUR_NONE
#endif

#if !defined(_GLIBCXX_USE_C99_MATH_TR1)
#define CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER
#endif

// Various stdlib support checks that require __has_include
#if defined(__has_include)
// Check if string_view is available and usable
#if __has_include(<string_view>) && defined(CATCH_CPP17_OR_GREATER)
#define CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW
#endif

// Check if optional is available and usable
#if __has_include(<optional>) && defined(CATCH_CPP17_OR_GREATER)
#define CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL
#endif // __has_include(<optional>) && defined(CATCH_CPP17_OR_GREATER)

// Check if byte is available and usable
#if __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
#include <cstddef>
#if __cpp_lib_byte > 0
#define CATCH_INTERNAL_CONFIG_CPP17_BYTE
#endif
#endif // __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)

// Check if variant is available and usable
#if __has_include(<variant>) && defined(CATCH_CPP17_OR_GREATER)
#if defined(__clang__) && (__clang_major__ < 8)
// work around clang bug with libstdc++ https://bugs.llvm.org/show_bug.cgi?id=31852
// fix should be in clang 8, workaround in libstdc++ 8.2
#include <ciso646>
#if defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9)
#define CATCH_CONFIG_NO_CPP17_VARIANT
#else
#define CATCH_INTERNAL_CONFIG_CPP17_VARIANT
#endif // defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9)
#else
#define CATCH_INTERNAL_CONFIG_CPP17_VARIANT
#endif // defined(__clang__) && (__clang_major__ < 8)
#endif // __has_include(<variant>) && defined(CATCH_CPP17_OR_GREATER)
#endif // defined(__has_include)

#if defined(CATCH_INTERNAL_CONFIG_COUNTER) && !defined(CATCH_CONFIG_NO_COUNTER) && !defined(CATCH_CONFIG_COUNTER)
#define CATCH_CONFIG_COUNTER
#endif
#if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH) \
    && !defined(CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH)
#define CATCH_CONFIG_WINDOWS_SEH
#endif
// This is set by default, because we assume that unix compilers are posix-signal-compatible by default.
#if defined(CATCH_INTERNAL_CONFIG_POSIX_SIGNALS) && !defined(CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS) \
    && !defined(CATCH_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_POSIX_SIGNALS)
#define CATCH_CONFIG_POSIX_SIGNALS
#endif
// This is set by default, because we assume that compilers with no wchar_t support are just rare exceptions.
#if !defined(CATCH_INTERNAL_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_NO_WCHAR) && !defined(CATCH_CONFIG_WCHAR)
#define CATCH_CONFIG_WCHAR
#endif

#if !defined(CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_NO_CPP11_TO_STRING) \
    && !defined(CATCH_CONFIG_CPP11_TO_STRING)
#define CATCH_CONFIG_CPP11_TO_STRING
#endif

#if defined(CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_NO_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_CPP17_OPTIONAL)
#define CATCH_CONFIG_CPP17_OPTIONAL
#endif

#if defined(CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW) && !defined(CATCH_CONFIG_NO_CPP17_STRING_VIEW) \
    && !defined(CATCH_CONFIG_CPP17_STRING_VIEW)
#define CATCH_CONFIG_CPP17_STRING_VIEW
#endif

#if defined(CATCH_INTERNAL_CONFIG_CPP17_VARIANT) && !defined(CATCH_CONFIG_NO_CPP17_VARIANT) && !defined(CATCH_CONFIG_CPP17_VARIANT)
#define CATCH_CONFIG_CPP17_VARIANT
#endif

#if defined(CATCH_INTERNAL_CONFIG_CPP17_BYTE) && !defined(CATCH_CONFIG_NO_CPP17_BYTE) && !defined(CATCH_CONFIG_CPP17_BYTE)
#define CATCH_CONFIG_CPP17_BYTE
#endif

#if defined(CATCH_CONFIG_EXPERIMENTAL_REDIRECT)
#define CATCH_INTERNAL_CONFIG_NEW_CAPTURE
#endif

#if defined(CATCH_INTERNAL_CONFIG_NEW_CAPTURE) && !defined(CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE) \
    && !defined(CATCH_CONFIG_NO_NEW_CAPTURE) && !defined(CATCH_CONFIG_NEW_CAPTURE)
#define CATCH_CONFIG_NEW_CAPTURE
#endif

#if !defined(CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED) && !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
#define CATCH_CONFIG_DISABLE_EXCEPTIONS
#endif

#if defined(CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_NO_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_POLYFILL_ISNAN)
#define CATCH_CONFIG_POLYFILL_ISNAN
#endif

#if defined(CATCH_INTERNAL_CONFIG_USE_ASYNC) && !defined(CATCH_INTERNAL_CONFIG_NO_ASYNC) && !defined(CATCH_CONFIG_NO_USE_ASYNC) \
    && !defined(CATCH_CONFIG_USE_ASYNC)
#define CATCH_CONFIG_USE_ASYNC
#endif

#if defined(CATCH_INTERNAL_CONFIG_ANDROID_LOGWRITE) && !defined(CATCH_CONFIG_NO_ANDROID_LOGWRITE) \
    && !defined(CATCH_CONFIG_ANDROID_LOGWRITE)
#define CATCH_CONFIG_ANDROID_LOGWRITE
#endif

#if defined(CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER) && !defined(CATCH_CONFIG_NO_GLOBAL_NEXTAFTER) \
    && !defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)
#define CATCH_CONFIG_GLOBAL_NEXTAFTER
#endif

// Even if we do not think the compiler has that warning, we still have
// to provide a macro that can be used by the code.
#if !defined(CATCH_INTERNAL_START_WARNINGS_SUPPRESSION)
#define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
#endif
#if !defined(CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION)
#define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS)
#define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS)
#define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS)
#define CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS)
#define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS
#endif

// The goal of this macro is to avoid evaluation of the arguments, but
// still have the compiler warn on problems inside...
#if !defined(CATCH_INTERNAL_IGNORE_BUT_WARN)
#define CATCH_INTERNAL_IGNORE_BUT_WARN(...)
#endif

#if defined(__APPLE__) && defined(__apple_build_version__) && (__clang_major__ < 10)
#undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
#elif defined(__clang__) && (__clang_major__ < 5)
#undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
#endif

#if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS)
#define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
#endif

#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
#define CATCH_TRY if ((true))
#define CATCH_CATCH_ALL if ((false))
#define CATCH_CATCH_ANON(type) if ((false))
#else
#define CATCH_TRY try
#define CATCH_CATCH_ALL catch (...)
#define CATCH_CATCH_ANON(type) catch (type)
#endif

#if defined(CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_NO_TRADITIONAL_MSVC_PREPROCESSOR) \
    && !defined(CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR)
#define CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#endif

// end catch_compiler_capabilities.h
#define INTERNAL_CATCH_UNIQUE_NAME_LINE2(name, line) name##line
#define INTERNAL_CATCH_UNIQUE_NAME_LINE(name, line) INTERNAL_CATCH_UNIQUE_NAME_LINE2(name, line)
#ifdef CATCH_CONFIG_COUNTER
#define INTERNAL_CATCH_UNIQUE_NAME(name) INTERNAL_CATCH_UNIQUE_NAME_LINE(name, __COUNTER__)
#else
#define INTERNAL_CATCH_UNIQUE_NAME(name) INTERNAL_CATCH_UNIQUE_NAME_LINE(name, __LINE__)
#endif

#include <cstdint>
#include <iosfwd>
#include <string>

// We need a dummy global operator<< so we can bring it into Catch namespace later
struct Catch_global_namespace_dummy {
};
std::ostream &operator<<(std::ostream &, Catch_global_namespace_dummy);

namespace Catch {
  struct CaseSensitive {
    enum Choice {
      Yes,
      No
    };
  };

  class NonCopyable {
    NonCopyable(NonCopyable const &) = delete;
    NonCopyable(NonCopyable &&) = delete;
    NonCopyable &operator=(NonCopyable const &) = delete;
    NonCopyable &operator=(NonCopyable &&) = delete;

  protected:
    NonCopyable();
    virtual ~NonCopyable();
  };

  struct SourceLineInfo {
    SourceLineInfo() = delete;
    SourceLineInfo(char const *_file, std::size_t _line) noexcept
        : file(_file)
        , line(_line) {
    }

    SourceLineInfo(SourceLineInfo const &other) = default;
    SourceLineInfo &operator=(SourceLineInfo const &) = default;
    SourceLineInfo(SourceLineInfo &&) noexcept = default;
    SourceLineInfo &operator=(SourceLineInfo &&) noexcept = default;

    bool empty() const noexcept { return file[0] == '\0'; }
    bool operator==(SourceLineInfo const &other) const noexcept;
    bool operator<(SourceLineInfo const &other) const noexcept;

    char const *file;
    std::size_t line;
  };

  std::ostream &operator<<(std::ostream &os, SourceLineInfo const &info);

  // Bring in operator<< from global namespace into Catch namespace
  // This is necessary because the overload of operator<< above makes
  // lookup stop at namespace Catch
  using ::operator<<;

  // Use this in variadic streaming macros to allow
  //    >> +StreamEndStop
  // as well as
  //    >> stuff +StreamEndStop
  struct StreamEndStop {
    std::string operator+() const;
  };
  template<typename T>
  T const &operator+(T const &value, StreamEndStop) {
    return value;
  }
} // namespace Catch

#define CATCH_INTERNAL_LINEINFO ::Catch::SourceLineInfo(__FILE__, static_cast<std::size_t>(__LINE__))

// end catch_common.h
namespace Catch {
  struct RegistrarForTagAliases {
    RegistrarForTagAliases(char const *alias, char const *tag, SourceLineInfo const &lineInfo);
  };

} // end namespace Catch

#define CATCH_REGISTER_TAG_ALIAS(alias, spec)                                                                             \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                               \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                \
  namespace {                                                                                                             \
    Catch::RegistrarForTagAliases INTERNAL_CATCH_UNIQUE_NAME(AutoRegisterTagAlias)(alias, spec, CATCH_INTERNAL_LINEINFO); \
  }                                                                                                                       \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION

// end catch_tag_alias_autoregistrar.h
// start catch_test_registry.h

// start catch_interfaces_testcase.h

#include <vector>

namespace Catch {
  class TestSpec;

  struct ITestInvoker {
    virtual void invoke() const = 0;
    virtual ~ITestInvoker();
  };

  class TestCase;
  struct IConfig;

  struct ITestCaseRegistry {
    virtual ~ITestCaseRegistry();
    virtual std::vector<TestCase> const &getAllTests() const = 0;
    virtual std::vector<TestCase> const &getAllTestsSorted(IConfig const &config) const = 0;
  };

  bool isThrowSafe(TestCase const &testCase, IConfig const &config);
  bool matchTest(TestCase const &testCase, TestSpec const &testSpec, IConfig const &config);
  std::vector<TestCase> filterTests(std::vector<TestCase> const &testCases, TestSpec const &testSpec, IConfig const &config);
  std::vector<TestCase> const &getAllTestCasesSorted(IConfig const &config);

} // namespace Catch

// end catch_interfaces_testcase.h
// start catch_stringref.h

#include <cassert>
#include <cstddef>
#include <iosfwd>
#include <string>

namespace Catch {
  /// A non-owning string class (similar to the forthcoming std::string_view)
  /// Note that, because a StringRef may be a substring of another string,
  /// it may not be null terminated.
  class StringRef {
  public:
    using size_type = std::size_t;
    using const_iterator = const char *;

  private:
    static constexpr char const *const s_empty = "";

    char const *m_start = s_empty;
    size_type m_size = 0;

  public: // construction
    constexpr StringRef() noexcept = default;

    StringRef(char const *rawChars) noexcept;

    constexpr StringRef(char const *rawChars, size_type size) noexcept
        : m_start(rawChars)
        , m_size(size) {
    }

    StringRef(std::string const &stdString) noexcept
        : m_start(stdString.c_str())
        , m_size(stdString.size()) {
    }

    explicit operator std::string() const { return std::string(m_start, m_size); }

  public: // operators
    auto operator==(StringRef const &other) const noexcept -> bool;
    auto operator!=(StringRef const &other) const noexcept -> bool { return !(*this == other); }

    auto operator[](size_type index) const noexcept -> char {
      assert(index < m_size);
      return m_start[index];
    }

  public: // named queries
    constexpr auto empty() const noexcept -> bool { return m_size == 0; }
    constexpr auto size() const noexcept -> size_type { return m_size; }

    // Returns the current start pointer. If the StringRef is not
    // null-terminated, throws std::domain_exception
    auto c_str() const -> char const *;

  public: // substrings and searches
    // Returns a substring of [start, start + length).
    // If start + length > size(), then the substring is [start, size()).
    // If start > size(), then the substring is empty.
    auto substr(size_type start, size_type length) const noexcept -> StringRef;

    // Returns the current start pointer. May not be null-terminated.
    auto data() const noexcept -> char const *;

    constexpr auto isNullTerminated() const noexcept -> bool { return m_start[m_size] == '\0'; }

  public: // iterators
    constexpr const_iterator begin() const { return m_start; }
    constexpr const_iterator end() const { return m_start + m_size; }
  };

  auto operator+=(std::string &lhs, StringRef const &sr) -> std::string &;
  auto operator<<(std::ostream &os, StringRef const &sr) -> std::ostream &;

  constexpr auto operator"" _sr(char const *rawChars, std::size_t size) noexcept -> StringRef {
    return StringRef(rawChars, size);
  }
} // namespace Catch

constexpr auto operator"" _catch_sr(char const *rawChars, std::size_t size) noexcept -> Catch::StringRef {
  return Catch::StringRef(rawChars, size);
}

// end catch_stringref.h
// start catch_preprocessor.hpp

#define CATCH_RECURSION_LEVEL0(...) __VA_ARGS__
#define CATCH_RECURSION_LEVEL1(...) CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(CATCH_RECURSION_LEVEL0(__VA_ARGS__)))
#define CATCH_RECURSION_LEVEL2(...) CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(CATCH_RECURSION_LEVEL1(__VA_ARGS__)))
#define CATCH_RECURSION_LEVEL3(...) CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(CATCH_RECURSION_LEVEL2(__VA_ARGS__)))
#define CATCH_RECURSION_LEVEL4(...) CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(CATCH_RECURSION_LEVEL3(__VA_ARGS__)))
#define CATCH_RECURSION_LEVEL5(...) CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(CATCH_RECURSION_LEVEL4(__VA_ARGS__)))

#ifdef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_EXPAND_VARGS(...) __VA_ARGS__
// MSVC needs more evaluations
#define CATCH_RECURSION_LEVEL6(...) CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(CATCH_RECURSION_LEVEL5(__VA_ARGS__)))
#define CATCH_RECURSE(...) CATCH_RECURSION_LEVEL6(CATCH_RECURSION_LEVEL6(__VA_ARGS__))
#else
#define CATCH_RECURSE(...) CATCH_RECURSION_LEVEL5(__VA_ARGS__)
#endif

#define CATCH_REC_END(...)
#define CATCH_REC_OUT

#define CATCH_EMPTY()
#define CATCH_DEFER(id) id CATCH_EMPTY()

#define CATCH_REC_GET_END2() 0, CATCH_REC_END
#define CATCH_REC_GET_END1(...) CATCH_REC_GET_END2
#define CATCH_REC_GET_END(...) CATCH_REC_GET_END1
#define CATCH_REC_NEXT0(test, next, ...) next CATCH_REC_OUT
#define CATCH_REC_NEXT1(test, next) \
  CATCH_DEFER(CATCH_REC_NEXT0)      \
  (test, next, 0)
#define CATCH_REC_NEXT(test, next) CATCH_REC_NEXT1(CATCH_REC_GET_END test, next)

#define CATCH_REC_LIST0(f, x, peek, ...) , f(x) CATCH_DEFER(CATCH_REC_NEXT(peek, CATCH_REC_LIST1))(f, peek, __VA_ARGS__)
#define CATCH_REC_LIST1(f, x, peek, ...) , f(x) CATCH_DEFER(CATCH_REC_NEXT(peek, CATCH_REC_LIST0))(f, peek, __VA_ARGS__)
#define CATCH_REC_LIST2(f, x, peek, ...) f(x) CATCH_DEFER(CATCH_REC_NEXT(peek, CATCH_REC_LIST1))(f, peek, __VA_ARGS__)

#define CATCH_REC_LIST0_UD(f, userdata, x, peek, ...) \
  , f(userdata, x) CATCH_DEFER(CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD))(f, userdata, peek, __VA_ARGS__)
#define CATCH_REC_LIST1_UD(f, userdata, x, peek, ...) \
  , f(userdata, x) CATCH_DEFER(CATCH_REC_NEXT(peek, CATCH_REC_LIST0_UD))(f, userdata, peek, __VA_ARGS__)
#define CATCH_REC_LIST2_UD(f, userdata, x, peek, ...) \
  f(userdata, x) CATCH_DEFER(CATCH_REC_NEXT(peek, CATCH_REC_LIST1_UD))(f, userdata, peek, __VA_ARGS__)

// Applies the function macro `f` to each of the remaining parameters, inserts commas between the results,
// and passes userdata as the first parameter to each invocation,
// e.g. CATCH_REC_LIST_UD(f, x, a, b, c) evaluates to f(x, a), f(x, b), f(x, c)
#define CATCH_REC_LIST_UD(f, userdata, ...) CATCH_RECURSE(CATCH_REC_LIST2_UD(f, userdata, __VA_ARGS__, ()()(), ()()(), ()()(), 0))

#define CATCH_REC_LIST(f, ...) CATCH_RECURSE(CATCH_REC_LIST2(f, __VA_ARGS__, ()()(), ()()(), ()()(), 0))

#define INTERNAL_CATCH_EXPAND1(param) INTERNAL_CATCH_EXPAND2(param)
#define INTERNAL_CATCH_EXPAND2(...) INTERNAL_CATCH_NO##__VA_ARGS__
#define INTERNAL_CATCH_DEF(...) INTERNAL_CATCH_DEF __VA_ARGS__
#define INTERNAL_CATCH_NOINTERNAL_CATCH_DEF
#define INTERNAL_CATCH_STRINGIZE(...) INTERNAL_CATCH_STRINGIZE2(__VA_ARGS__)
#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_STRINGIZE2(...) #__VA_ARGS__
#define INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS(param) INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_REMOVE_PARENS(param))
#else
// MSVC is adding extra space and needs another indirection to expand INTERNAL_CATCH_NOINTERNAL_CATCH_DEF
#define INTERNAL_CATCH_STRINGIZE2(...) INTERNAL_CATCH_STRINGIZE3(__VA_ARGS__)
#define INTERNAL_CATCH_STRINGIZE3(...) #__VA_ARGS__
#define INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS(param) (INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_REMOVE_PARENS(param)) + 1)
#endif

#define INTERNAL_CATCH_MAKE_NAMESPACE2(...) ns_##__VA_ARGS__
#define INTERNAL_CATCH_MAKE_NAMESPACE(name) INTERNAL_CATCH_MAKE_NAMESPACE2(name)

#define INTERNAL_CATCH_REMOVE_PARENS(...) INTERNAL_CATCH_EXPAND1(INTERNAL_CATCH_DEF __VA_ARGS__)

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_MAKE_TYPE_LIST2(...) decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS_GEN(__VA_ARGS__)>())
#define INTERNAL_CATCH_MAKE_TYPE_LIST(...) INTERNAL_CATCH_MAKE_TYPE_LIST2(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__))
#else
#define INTERNAL_CATCH_MAKE_TYPE_LIST2(...) \
  INTERNAL_CATCH_EXPAND_VARGS(decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS_GEN(__VA_ARGS__)>()))
#define INTERNAL_CATCH_MAKE_TYPE_LIST(...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_MAKE_TYPE_LIST2(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__)))
#endif

#define INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(...) CATCH_REC_LIST(INTERNAL_CATCH_MAKE_TYPE_LIST, __VA_ARGS__)

#define INTERNAL_CATCH_REMOVE_PARENS_1_ARG(_0) INTERNAL_CATCH_REMOVE_PARENS(_0)
#define INTERNAL_CATCH_REMOVE_PARENS_2_ARG(_0, _1) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_1_ARG(_1)
#define INTERNAL_CATCH_REMOVE_PARENS_3_ARG(_0, _1, _2) INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_2_ARG(_1, _2)
#define INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_0, _1, _2, _3) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_3_ARG(_1, _2, _3)
#define INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_0, _1, _2, _3, _4) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_4_ARG(_1, _2, _3, _4)
#define INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_0, _1, _2, _3, _4, _5) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_5_ARG(_1, _2, _3, _4, _5)
#define INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_0, _1, _2, _3, _4, _5, _6) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_6_ARG(_1, _2, _3, _4, _5, _6)
#define INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_0, _1, _2, _3, _4, _5, _6, _7) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_7_ARG(_1, _2, _3, _4, _5, _6, _7)
#define INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_8_ARG(_1, _2, _3, _4, _5, _6, _7, _8)
#define INTERNAL_CATCH_REMOVE_PARENS_10_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_9_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9)
#define INTERNAL_CATCH_REMOVE_PARENS_11_ARG(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10) \
  INTERNAL_CATCH_REMOVE_PARENS(_0), INTERNAL_CATCH_REMOVE_PARENS_10_ARG(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10)

#define INTERNAL_CATCH_VA_NARGS_IMPL(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, N, ...) N

#define INTERNAL_CATCH_TYPE_GEN                                                                                                         \
  template<typename...>                                                                                                                 \
  struct TypeList {                                                                                                                     \
  };                                                                                                                                    \
  template<typename... Ts>                                                                                                              \
  constexpr auto get_wrapper() noexcept->TypeList<Ts...> {                                                                              \
    return {};                                                                                                                          \
  }                                                                                                                                     \
  template<template<typename...> class...>                                                                                              \
  struct TemplateTypeList {                                                                                                             \
  };                                                                                                                                    \
  template<template<typename...> class... Cs>                                                                                           \
  constexpr auto get_wrapper() noexcept->TemplateTypeList<Cs...> {                                                                      \
    return {};                                                                                                                          \
  }                                                                                                                                     \
  template<typename...>                                                                                                                 \
  struct append;                                                                                                                        \
  template<typename...>                                                                                                                 \
  struct rewrap;                                                                                                                        \
  template<template<typename...> class, typename...>                                                                                    \
  struct create;                                                                                                                        \
  template<template<typename...> class, typename>                                                                                       \
  struct convert;                                                                                                                       \
                                                                                                                                        \
  template<typename T>                                                                                                                  \
  struct append<T> {                                                                                                                    \
    using type = T;                                                                                                                     \
  };                                                                                                                                    \
  template<template<typename...> class L1, typename... E1, template<typename...> class L2, typename... E2, typename... Rest>            \
  struct append<L1<E1...>, L2<E2...>, Rest...> {                                                                                        \
    using type = typename append<L1<E1..., E2...>, Rest...>::type;                                                                      \
  };                                                                                                                                    \
  template<template<typename...> class L1, typename... E1, typename... Rest>                                                            \
  struct append<L1<E1...>, TypeList<mpl_::na>, Rest...> {                                                                               \
    using type = L1<E1...>;                                                                                                             \
  };                                                                                                                                    \
                                                                                                                                        \
  template<template<typename...> class Container, template<typename...> class List, typename... elems>                                  \
  struct rewrap<TemplateTypeList<Container>, List<elems...>> {                                                                          \
    using type = TypeList<Container<elems...>>;                                                                                         \
  };                                                                                                                                    \
  template<template<typename...> class Container, template<typename...> class List, class... Elems, typename... Elements>               \
  struct rewrap<TemplateTypeList<Container>, List<Elems...>, Elements...> {                                                             \
    using type = typename append<TypeList<Container<Elems...>>, typename rewrap<TemplateTypeList<Container>, Elements...>::type>::type; \
  };                                                                                                                                    \
                                                                                                                                        \
  template<template<typename...> class Final, template<typename...> class... Containers, typename... Types>                             \
  struct create<Final, TemplateTypeList<Containers...>, TypeList<Types...>> {                                                           \
    using type = typename append<Final<>, typename rewrap<TemplateTypeList<Containers>, Types...>::type...>::type;                      \
  };                                                                                                                                    \
  template<template<typename...> class Final, template<typename...> class List, typename... Ts>                                         \
  struct convert<Final, List<Ts...>> {                                                                                                  \
    using type = typename append<Final<>, TypeList<Ts>...>::type;                                                                       \
  };

#define INTERNAL_CATCH_NTTP_1(signature, ...)                                                                                           \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                                                                                     \
  struct Nttp {                                                                                                                         \
  };                                                                                                                                    \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                                                                                     \
  constexpr auto get_wrapper() noexcept->Nttp<__VA_ARGS__> {                                                                            \
    return {};                                                                                                                          \
  }                                                                                                                                     \
  template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class...>                                                                  \
  struct NttpTemplateTypeList {                                                                                                         \
  };                                                                                                                                    \
  template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class... Cs>                                                               \
  constexpr auto get_wrapper() noexcept->NttpTemplateTypeList<Cs...> {                                                                  \
    return {};                                                                                                                          \
  }                                                                                                                                     \
                                                                                                                                        \
  template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class Container,                                                           \
           template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                                                                            \
           class List,                                                                                                                  \
           INTERNAL_CATCH_REMOVE_PARENS(signature)>                                                                                     \
  struct rewrap<NttpTemplateTypeList<Container>, List<__VA_ARGS__>> {                                                                   \
    using type = TypeList<Container<__VA_ARGS__>>;                                                                                      \
  };                                                                                                                                    \
  template<template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class Container,                                                           \
           template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                                                                            \
           class List,                                                                                                                  \
           INTERNAL_CATCH_REMOVE_PARENS(signature),                                                                                     \
           typename... Elements>                                                                                                        \
  struct rewrap<NttpTemplateTypeList<Container>, List<__VA_ARGS__>, Elements...> {                                                      \
    using type =                                                                                                                        \
        typename append<TypeList<Container<__VA_ARGS__>>, typename rewrap<NttpTemplateTypeList<Container>, Elements...>::type>::type;   \
  };                                                                                                                                    \
  template<template<typename...> class Final, template<INTERNAL_CATCH_REMOVE_PARENS(signature)> class... Containers, typename... Types> \
  struct create<Final, NttpTemplateTypeList<Containers...>, TypeList<Types...>> {                                                       \
    using type = typename append<Final<>, typename rewrap<NttpTemplateTypeList<Containers>, Types...>::type...>::type;                  \
  };

#define INTERNAL_CATCH_DECLARE_SIG_TEST0(TestName)
#define INTERNAL_CATCH_DECLARE_SIG_TEST1(TestName, signature) \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>           \
  static void TestName()
#define INTERNAL_CATCH_DECLARE_SIG_TEST_X(TestName, signature, ...) \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                 \
  static void TestName()

#define INTERNAL_CATCH_DEFINE_SIG_TEST0(TestName)
#define INTERNAL_CATCH_DEFINE_SIG_TEST1(TestName, signature) \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>          \
  static void TestName()
#define INTERNAL_CATCH_DEFINE_SIG_TEST_X(TestName, signature, ...) \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                \
  static void TestName()

#define INTERNAL_CATCH_NTTP_REGISTER0(TestFunc, signature)                                                             \
  template<typename Type>                                                                                              \
  void reg_test(TypeList<Type>, Catch::NameAndTags nameAndTags) {                                                      \
    Catch::AutoReg(Catch::makeTestInvoker(&TestFunc<Type>), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), nameAndTags); \
  }

#define INTERNAL_CATCH_NTTP_REGISTER(TestFunc, signature, ...)                                                                \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                                                                           \
  void reg_test(Nttp<__VA_ARGS__>, Catch::NameAndTags nameAndTags) {                                                          \
    Catch::AutoReg(Catch::makeTestInvoker(&TestFunc<__VA_ARGS__>), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), nameAndTags); \
  }

#define INTERNAL_CATCH_NTTP_REGISTER_METHOD0(TestName, signature, ...)                                              \
  template<typename Type>                                                                                           \
  void reg_test(TypeList<Type>, Catch::StringRef className, Catch::NameAndTags nameAndTags) {                       \
    Catch::AutoReg(Catch::makeTestInvoker(&TestName<Type>::test), CATCH_INTERNAL_LINEINFO, className, nameAndTags); \
  }

#define INTERNAL_CATCH_NTTP_REGISTER_METHOD(TestName, signature, ...)                                                      \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                                                                        \
  void reg_test(Nttp<__VA_ARGS__>, Catch::StringRef className, Catch::NameAndTags nameAndTags) {                           \
    Catch::AutoReg(Catch::makeTestInvoker(&TestName<__VA_ARGS__>::test), CATCH_INTERNAL_LINEINFO, className, nameAndTags); \
  }

#define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD0(TestName, ClassName)
#define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD1(TestName, ClassName, signature) \
  template<typename TestType>                                                   \
  struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName)<TestType> {         \
    void test();                                                                \
  }

#define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X(TestName, ClassName, signature, ...) \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                                   \
  struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName)<__VA_ARGS__> {            \
    void test();                                                                      \
  }

#define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD0(TestName)
#define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD1(TestName, signature) \
  template<typename TestType>                                       \
  void INTERNAL_CATCH_MAKE_NAMESPACE(TestName)::TestName<TestType>::test()
#define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X(TestName, signature, ...) \
  template<INTERNAL_CATCH_REMOVE_PARENS(signature)>                       \
  void INTERNAL_CATCH_MAKE_NAMESPACE(TestName)::TestName<__VA_ARGS__>::test()

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_NTTP_0
#define INTERNAL_CATCH_NTTP_GEN(...)                               \
  INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__,                        \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_1(__VA_ARGS__), \
                               INTERNAL_CATCH_NTTP_0)
#define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, ...)            \
  INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                                 \
                               __VA_ARGS__,                             \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD1,  \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD0)  \
  (TestName, __VA_ARGS__)
#define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, ...) \
  INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                                  \
                               __VA_ARGS__,                              \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD1,  \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD0)  \
  (TestName, ClassName, __VA_ARGS__)
#define INTERNAL_CATCH_NTTP_REG_METHOD_GEN(TestName, ...)            \
  INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                              \
                               __VA_ARGS__,                          \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD0, \
                               INTERNAL_CATCH_NTTP_REGISTER_METHOD0) \
  (TestName, __VA_ARGS__)
#define INTERNAL_CATCH_NTTP_REG_GEN(TestFunc, ...)            \
  INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                       \
                               __VA_ARGS__,                   \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER,  \
                               INTERNAL_CATCH_NTTP_REGISTER0, \
                               INTERNAL_CATCH_NTTP_REGISTER0) \
  (TestFunc, __VA_ARGS__)
#define INTERNAL_CATCH_DEFINE_SIG_TEST(TestName, ...)            \
  INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                          \
                               __VA_ARGS__,                      \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST1,  \
                               INTERNAL_CATCH_DEFINE_SIG_TEST0)  \
  (TestName, __VA_ARGS__)
#define INTERNAL_CATCH_DECLARE_SIG_TEST(TestName, ...)            \
  INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                           \
                               __VA_ARGS__,                       \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DEFINE_SIG_TEST_X,  \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                               INTERNAL_CATCH_DECLARE_SIG_TEST1,  \
                               INTERNAL_CATCH_DECLARE_SIG_TEST0)  \
  (TestName, __VA_ARGS__)
#define INTERNAL_CATCH_REMOVE_PARENS_GEN(...)                       \
  INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__,                         \
                               INTERNAL_CATCH_REMOVE_PARENS_11_ARG, \
                               INTERNAL_CATCH_REMOVE_PARENS_10_ARG, \
                               INTERNAL_CATCH_REMOVE_PARENS_9_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_8_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_7_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_6_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_5_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_4_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_3_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_2_ARG,  \
                               INTERNAL_CATCH_REMOVE_PARENS_1_ARG)  \
  (__VA_ARGS__)
#else
#define INTERNAL_CATCH_NTTP_0(signature)
#define INTERNAL_CATCH_NTTP_GEN(...)                                              \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__,           \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_1, \
                                                           INTERNAL_CATCH_NTTP_0)(__VA_ARGS__))
#define INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, ...)                                        \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                                 \
                                                           __VA_ARGS__,                             \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD1,  \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD0)(TestName, __VA_ARGS__))
#define INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, ...)                             \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                                  \
                                                           __VA_ARGS__,                              \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD1,  \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD0)(TestName, ClassName, __VA_ARGS__))
#define INTERNAL_CATCH_NTTP_REG_METHOD_GEN(TestName, ...)                                        \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                              \
                                                           __VA_ARGS__,                          \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD0, \
                                                           INTERNAL_CATCH_NTTP_REGISTER_METHOD0)(TestName, __VA_ARGS__))
#define INTERNAL_CATCH_NTTP_REG_GEN(TestFunc, ...)                                        \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                       \
                                                           __VA_ARGS__,                   \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER,  \
                                                           INTERNAL_CATCH_NTTP_REGISTER0, \
                                                           INTERNAL_CATCH_NTTP_REGISTER0)(TestFunc, __VA_ARGS__))
#define INTERNAL_CATCH_DEFINE_SIG_TEST(TestName, ...)                                        \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                          \
                                                           __VA_ARGS__,                      \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST1,  \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST0)(TestName, __VA_ARGS__))
#define INTERNAL_CATCH_DECLARE_SIG_TEST(TestName, ...)                                        \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL("dummy",                           \
                                                           __VA_ARGS__,                       \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DEFINE_SIG_TEST_X,  \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST_X, \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST1,  \
                                                           INTERNAL_CATCH_DECLARE_SIG_TEST0)(TestName, __VA_ARGS__))
#define INTERNAL_CATCH_REMOVE_PARENS_GEN(...)                                                   \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_VA_NARGS_IMPL(__VA_ARGS__,                         \
                                                           INTERNAL_CATCH_REMOVE_PARENS_11_ARG, \
                                                           INTERNAL_CATCH_REMOVE_PARENS_10_ARG, \
                                                           INTERNAL_CATCH_REMOVE_PARENS_9_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_8_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_7_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_6_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_5_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_4_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_3_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_2_ARG,  \
                                                           INTERNAL_CATCH_REMOVE_PARENS_1_ARG)(__VA_ARGS__))
#endif

// end catch_preprocessor.hpp
// start catch_meta.hpp

#include <type_traits>

namespace Catch {
  template<typename T>
  struct always_false : std::false_type {
  };

  template<typename>
  struct true_given : std::true_type {
  };
  struct is_callable_tester {
    template<typename Fun, typename... Args>
    true_given<decltype(std::declval<Fun>()(std::declval<Args>()...))> static test(int);
    template<typename...>
    std::false_type static test(...);
  };

  template<typename T>
  struct is_callable;

  template<typename Fun, typename... Args>
  struct is_callable<Fun(Args...)> : decltype(is_callable_tester::test<Fun, Args...>(0)) {
  };

#if defined(__cpp_lib_is_invocable) && __cpp_lib_is_invocable >= 201703
  // std::result_of is deprecated in C++17 and removed in C++20. Hence, it is
  // replaced with std::invoke_result here.
  template<typename Func, typename... U>
  using FunctionReturnType = std::remove_reference_t<std::remove_cv_t<std::invoke_result_t<Func, U...>>>;
#else
  // Keep ::type here because we still support C++11
  template<typename Func, typename... U>
  using FunctionReturnType = typename std::remove_reference<typename std::remove_cv<typename std::result_of<Func(U...)>::type>::type>::type;
#endif

} // namespace Catch

namespace mpl_ {
  struct na;
}

// end catch_meta.hpp
namespace Catch {
  template<typename C>
  class TestInvokerAsMethod : public ITestInvoker {
    void (C::*m_testAsMethod)();

  public:
    TestInvokerAsMethod(void (C::*testAsMethod)()) noexcept
        : m_testAsMethod(testAsMethod) {
    }

    void invoke() const override {
      C obj;
      (obj.*m_testAsMethod)();
    }
  };

  auto makeTestInvoker(void (*testAsFunction)()) noexcept -> ITestInvoker *;

  template<typename C>
  auto makeTestInvoker(void (C::*testAsMethod)()) noexcept -> ITestInvoker * {
    return new (std::nothrow) TestInvokerAsMethod<C>(testAsMethod);
  }

  struct NameAndTags {
    NameAndTags(StringRef const &name_ = StringRef(), StringRef const &tags_ = StringRef()) noexcept;
    StringRef name;
    StringRef tags;
  };

  struct AutoReg : NonCopyable {
    AutoReg(ITestInvoker *invoker, SourceLineInfo const &lineInfo, StringRef const &classOrMethod, NameAndTags const &nameAndTags) noexcept;
    ~AutoReg();
  };

} // end namespace Catch

#if defined(CATCH_CONFIG_DISABLE)
#define INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(TestName, ...) static void TestName()
#define INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(TestName, ClassName, ...) \
  namespace {                                                                    \
    struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName) {                  \
      void test();                                                               \
    };                                                                           \
  }                                                                              \
  void TestName::test()
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2(TestName, TestFunc, Name, Tags, Signature, ...) \
  INTERNAL_CATCH_DEFINE_SIG_TEST(TestFunc, INTERNAL_CATCH_REMOVE_PARENS(Signature))
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2(TestNameClass, TestName, ClassName, Name, Tags, Signature, ...) \
  namespace {                                                                                                                      \
    namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                                                            \
      INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, INTERNAL_CATCH_REMOVE_PARENS(Signature));                        \
    }                                                                                                                              \
  }                                                                                                                                \
  INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, INTERNAL_CATCH_REMOVE_PARENS(Signature))

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(Name, Tags, ...)                                                         \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____), \
                                                      INTERNAL_CATCH_UNIQUE_NAME(                                                  \
                                                          ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____),             \
                                                      Name,                                                                        \
                                                      Tags,                                                                        \
                                                      typename TestType,                                                           \
                                                      __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(Name, Tags, ...)                    \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2(            \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
      Name,                                                                                   \
      Tags,                                                                                   \
      typename TestType,                                                                      \
      __VA_ARGS__))
#endif

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(Name, Tags, Signature, ...)                                          \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____), \
                                                      INTERNAL_CATCH_UNIQUE_NAME(                                                  \
                                                          ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____),             \
                                                      Name,                                                                        \
                                                      Tags,                                                                        \
                                                      Signature,                                                                   \
                                                      __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(Name, Tags, Signature, ...)     \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2(            \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
      Name,                                                                                   \
      Tags,                                                                                   \
      Signature,                                                                              \
      __VA_ARGS__))
#endif

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(ClassName, Name, Tags, ...)                                    \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2(INTERNAL_CATCH_UNIQUE_NAME(                                        \
                                                                 ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____), \
                                                             INTERNAL_CATCH_UNIQUE_NAME(                                        \
                                                                 ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),              \
                                                             ClassName,                                                         \
                                                             Name,                                                              \
                                                             Tags,                                                              \
                                                             typename T,                                                        \
                                                             __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(ClassName, Name, Tags, ...)    \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2(       \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____), \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),              \
      ClassName,                                                                                \
      Name,                                                                                     \
      Tags,                                                                                     \
      typename T,                                                                               \
      __VA_ARGS__))
#endif

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(ClassName, Name, Tags, Signature, ...)                     \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2(INTERNAL_CATCH_UNIQUE_NAME(                                        \
                                                                 ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____), \
                                                             INTERNAL_CATCH_UNIQUE_NAME(                                        \
                                                                 ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),              \
                                                             ClassName,                                                         \
                                                             Name,                                                              \
                                                             Tags,                                                              \
                                                             Signature,                                                         \
                                                             __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(ClassName, Name, Tags, Signature, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION_2(                   \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____),             \
      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),                          \
      ClassName,                                                                                            \
      Name,                                                                                                 \
      Tags,                                                                                                 \
      Signature,                                                                                            \
      __VA_ARGS__))
#endif
#endif

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TESTCASE2(TestName, ...)                                                 \
  static void TestName();                                                                       \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                     \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                      \
  namespace {                                                                                   \
    Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME(autoRegistrar)(Catch::makeTestInvoker(&TestName), \
                                                             CATCH_INTERNAL_LINEINFO,           \
                                                             Catch::StringRef(),                \
                                                             Catch::NameAndTags{__VA_ARGS__});  \
  } /* NOLINT */                                                                                \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                      \
  static void TestName()
#define INTERNAL_CATCH_TESTCASE(...) INTERNAL_CATCH_TESTCASE2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____), __VA_ARGS__)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_METHOD_AS_TEST_CASE(QualifiedMethod, ...)                                       \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                            \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                             \
  namespace {                                                                                          \
    Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME(autoRegistrar)(Catch::makeTestInvoker(&QualifiedMethod), \
                                                             CATCH_INTERNAL_LINEINFO,                  \
                                                             "&" #QualifiedMethod,                     \
                                                             Catch::NameAndTags{__VA_ARGS__});         \
  } /* NOLINT */                                                                                       \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST_CASE_METHOD2(TestName, ClassName, ...)                                          \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                 \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                  \
  namespace {                                                                                               \
    struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName) {                                             \
      void test();                                                                                          \
    };                                                                                                      \
    Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME(autoRegistrar)(Catch::makeTestInvoker(&TestName::test),       \
                                                             CATCH_INTERNAL_LINEINFO,                       \
                                                             #ClassName,                                    \
                                                             Catch::NameAndTags{__VA_ARGS__}); /* NOLINT */ \
  }                                                                                                         \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                  \
  void TestName::test()
#define INTERNAL_CATCH_TEST_CASE_METHOD(ClassName, ...) \
  INTERNAL_CATCH_TEST_CASE_METHOD2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____), ClassName, __VA_ARGS__)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_REGISTER_TESTCASE(Function, ...)                                                                                         \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                                                     \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                                      \
  Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME(                                                                                                    \
      autoRegistrar)(Catch::makeTestInvoker(Function), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{__VA_ARGS__}); /* NOLINT \
                                                                                                                                       */       \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(TestName, TestFunc, Name, Tags, Signature, ...)                                                 \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                                                 \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                                  \
  CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS                                                                                            \
  CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS                                                                                          \
  INTERNAL_CATCH_DECLARE_SIG_TEST(TestFunc, INTERNAL_CATCH_REMOVE_PARENS(Signature));                                                       \
  namespace {                                                                                                                               \
    namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                                                                     \
      INTERNAL_CATCH_TYPE_GEN                                                                                                               \
      INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))                                                                      \
      INTERNAL_CATCH_NTTP_REG_GEN(TestFunc, INTERNAL_CATCH_REMOVE_PARENS(Signature))                                                        \
      template<typename... Types>                                                                                                           \
      struct TestName {                                                                                                                     \
        TestName() {                                                                                                                        \
          int index = 0;                                                                                                                    \
          constexpr char const *tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, __VA_ARGS__)};                      \
          using expander = int[];                                                                                                           \
          (void)expander{(reg_test(Types{}, Catch::NameAndTags{Name " - " + std::string(tmpl_types[index]), Tags}), index++)...}; /* NOLINT \
                                                                                                                                   */       \
        }                                                                                                                                   \
      };                                                                                                                                    \
      static int INTERNAL_CATCH_UNIQUE_NAME(globalRegistrar) = []() {                                                                       \
        TestName<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(__VA_ARGS__)>();                                                                 \
        return 0;                                                                                                                           \
      }();                                                                                                                                  \
    }                                                                                                                                       \
  }                                                                                                                                         \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                                                  \
  INTERNAL_CATCH_DEFINE_SIG_TEST(TestFunc, INTERNAL_CATCH_REMOVE_PARENS(Signature))

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...)                                                                    \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                      Name,                                                                                   \
                                      Tags,                                                                                   \
                                      typename TestType,                                                                      \
                                      __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...)                                                                        \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                    \
      INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                          INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                          Name,                                                                                   \
                                          Tags,                                                                                   \
                                          typename TestType,                                                                      \
                                          __VA_ARGS__))
#endif

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(Name, Tags, Signature, ...)                                                     \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                      INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                      Name,                                                                                   \
                                      Tags,                                                                                   \
                                      Signature,                                                                              \
                                      __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(Name, Tags, Signature, ...)                                                         \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                    \
      INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                          INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                          Name,                                                                                   \
                                          Tags,                                                                                   \
                                          Signature,                                                                              \
                                          __VA_ARGS__))
#endif

#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(TestName, TestFuncName, Name, Tags, Signature, TmplTypes, TypesList)          \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                                      \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                       \
  CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS                                                                                 \
  CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS                                                                               \
  template<typename TestType>                                                                                                    \
  static void TestFuncName();                                                                                                    \
  namespace {                                                                                                                    \
    namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                                                          \
      INTERNAL_CATCH_TYPE_GEN                                                                                                    \
      INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))                                                           \
      template<typename... Types>                                                                                                \
      struct TestName {                                                                                                          \
        void reg_tests() {                                                                                                       \
          int index = 0;                                                                                                         \
          using expander = int[];                                                                                                \
          constexpr char const *tmpl_types[]                                                                                     \
              = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};              \
          constexpr char const *types_list[]                                                                                     \
              = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TypesList))};              \
          constexpr auto num_types = sizeof(types_list) / sizeof(types_list[0]);                                                 \
          (void)expander{(Catch::AutoReg(Catch::makeTestInvoker(&TestFuncName<Types>),                                           \
                                         CATCH_INTERNAL_LINEINFO,                                                                \
                                         Catch::StringRef(),                                                                     \
                                         Catch::NameAndTags{Name " - " + std::string(tmpl_types[index / num_types]) + "<"        \
                                                                + std::string(types_list[index % num_types]) + ">",              \
                                                            Tags}),                                                              \
                          index++)...}; /* NOLINT */                                                                             \
        }                                                                                                                        \
      };                                                                                                                         \
      static int INTERNAL_CATCH_UNIQUE_NAME(globalRegistrar) = []() {                                                            \
        using TestInit =                                                                                                         \
            typename create<TestName,                                                                                            \
                            decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)>()),                                    \
                            TypeList<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(INTERNAL_CATCH_REMOVE_PARENS(TypesList))>>::type; \
        TestInit t;                                                                                                              \
        t.reg_tests();                                                                                                           \
        return 0;                                                                                                                \
      }();                                                                                                                       \
    }                                                                                                                            \
  }                                                                                                                              \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                                       \
  template<typename TestType>                                                                                                    \
  static void TestFuncName()

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(Name, Tags, ...)                                                                   \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                             INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                             Name,                                                                                   \
                                             Tags,                                                                                   \
                                             typename T,                                                                             \
                                             __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(Name, Tags, ...)                                                                       \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                           \
      INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                                 INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                                 Name,                                                                                   \
                                                 Tags,                                                                                   \
                                                 typename T,                                                                             \
                                                 __VA_ARGS__))
#endif

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(Name, Tags, Signature, ...)                                                    \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                             INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                             Name,                                                                                   \
                                             Tags,                                                                                   \
                                             Signature,                                                                              \
                                             __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(Name, Tags, Signature, ...)                                                        \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                           \
      INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                                 INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                                 Name,                                                                                   \
                                                 Tags,                                                                                   \
                                                 Signature,                                                                              \
                                                 __VA_ARGS__))
#endif

#define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_2(TestName, TestFunc, Name, Tags, TmplList)                                       \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                                      \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                       \
  CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS                                                                               \
  template<typename TestType>                                                                                                    \
  static void TestFunc();                                                                                                        \
  namespace {                                                                                                                    \
    namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                                                          \
      INTERNAL_CATCH_TYPE_GEN                                                                                                    \
      template<typename... Types>                                                                                                \
      struct TestName {                                                                                                          \
        void reg_tests() {                                                                                                       \
          int index = 0;                                                                                                         \
          using expander = int[];                                                                                                \
          (void)expander{(Catch::AutoReg(Catch::makeTestInvoker(&TestFunc<Types>),                                               \
                                         CATCH_INTERNAL_LINEINFO,                                                                \
                                         Catch::StringRef(),                                                                     \
                                         Catch::NameAndTags{Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " \
                                                                + std::to_string(index),                                         \
                                                            Tags}),                                                              \
                          index++)...}; /* NOLINT */                                                                             \
        }                                                                                                                        \
      };                                                                                                                         \
      static int INTERNAL_CATCH_UNIQUE_NAME(globalRegistrar) = []() {                                                            \
        using TestInit = typename convert<TestName, TmplList>::type;                                                             \
        TestInit t;                                                                                                              \
        t.reg_tests();                                                                                                           \
        return 0;                                                                                                                \
      }();                                                                                                                       \
    }                                                                                                                            \
  }                                                                                                                              \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                                       \
  template<typename TestType>                                                                                                    \
  static void TestFunc()

#define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE(Name, Tags, TmplList)                                                               \
  INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                           INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                           Name,                                                                                   \
                                           Tags,                                                                                   \
                                           TmplList)

#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2(TestNameClass, TestName, ClassName, Name, Tags, Signature, ...)              \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                                     \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                      \
  CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS                                                                                \
  CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS                                                                              \
  namespace {                                                                                                                   \
    namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                                                         \
      INTERNAL_CATCH_TYPE_GEN                                                                                                   \
      INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))                                                          \
      INTERNAL_CATCH_DECLARE_SIG_TEST_METHOD(TestName, ClassName, INTERNAL_CATCH_REMOVE_PARENS(Signature));                     \
      INTERNAL_CATCH_NTTP_REG_METHOD_GEN(TestName, INTERNAL_CATCH_REMOVE_PARENS(Signature))                                     \
      template<typename... Types>                                                                                               \
      struct TestNameClass {                                                                                                    \
        TestNameClass() {                                                                                                       \
          int index = 0;                                                                                                        \
          constexpr char const *tmpl_types[] = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, __VA_ARGS__)};          \
          using expander = int[];                                                                                               \
          (void)expander{(reg_test(Types{}, #ClassName, Catch::NameAndTags{Name " - " + std::string(tmpl_types[index]), Tags}), \
                          index++)...}; /* NOLINT */                                                                            \
        }                                                                                                                       \
      };                                                                                                                        \
      static int INTERNAL_CATCH_UNIQUE_NAME(globalRegistrar) = []() {                                                           \
        TestNameClass<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(__VA_ARGS__)>();                                                \
        return 0;                                                                                                               \
      }();                                                                                                                      \
    }                                                                                                                           \
  }                                                                                                                             \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                                      \
  INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, INTERNAL_CATCH_REMOVE_PARENS(Signature))

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD(ClassName, Name, Tags, ...)                                                           \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____), \
                                             INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),              \
                                             ClassName,                                                                                \
                                             Name,                                                                                     \
                                             Tags,                                                                                     \
                                             typename T,                                                                               \
                                             __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD(ClassName, Name, Tags, ...)                                                               \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                             \
      INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____), \
                                                 INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),              \
                                                 ClassName,                                                                                \
                                                 Name,                                                                                     \
                                                 Tags,                                                                                     \
                                                 typename T,                                                                               \
                                                 __VA_ARGS__))
#endif

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(ClassName, Name, Tags, Signature, ...)                                            \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____), \
                                             INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),              \
                                             ClassName,                                                                                \
                                             Name,                                                                                     \
                                             Tags,                                                                                     \
                                             Signature,                                                                                \
                                             __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(ClassName, Name, Tags, Signature, ...)                                                \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                             \
      INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____), \
                                                 INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),              \
                                                 ClassName,                                                                                \
                                                 Name,                                                                                     \
                                                 Tags,                                                                                     \
                                                 Signature,                                                                                \
                                                 __VA_ARGS__))
#endif

#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(TestNameClass, TestName, ClassName, Name, Tags, Signature, TmplTypes, TypesList) \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                                                 \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                                  \
  CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS                                                                                            \
  CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS                                                                                          \
  template<typename TestType>                                                                                                               \
  struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName<TestType>) {                                                                     \
    void test();                                                                                                                            \
  };                                                                                                                                        \
  namespace {                                                                                                                               \
    namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestNameClass) {                                                                                \
      INTERNAL_CATCH_TYPE_GEN                                                                                                               \
      INTERNAL_CATCH_NTTP_GEN(INTERNAL_CATCH_REMOVE_PARENS(Signature))                                                                      \
      template<typename... Types>                                                                                                           \
      struct TestNameClass {                                                                                                                \
        void reg_tests() {                                                                                                                  \
          int index = 0;                                                                                                                    \
          using expander = int[];                                                                                                           \
          constexpr char const *tmpl_types[]                                                                                                \
              = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TmplTypes))};                         \
          constexpr char const *types_list[]                                                                                                \
              = {CATCH_REC_LIST(INTERNAL_CATCH_STRINGIZE_WITHOUT_PARENS, INTERNAL_CATCH_REMOVE_PARENS(TypesList))};                         \
          constexpr auto num_types = sizeof(types_list) / sizeof(types_list[0]);                                                            \
          (void)expander{(Catch::AutoReg(Catch::makeTestInvoker(&TestName<Types>::test),                                                    \
                                         CATCH_INTERNAL_LINEINFO,                                                                           \
                                         #ClassName,                                                                                        \
                                         Catch::NameAndTags{Name " - " + std::string(tmpl_types[index / num_types]) + "<"                   \
                                                                + std::string(types_list[index % num_types]) + ">",                         \
                                                            Tags}),                                                                         \
                          index++)...}; /* NOLINT */                                                                                        \
        }                                                                                                                                   \
      };                                                                                                                                    \
      static int INTERNAL_CATCH_UNIQUE_NAME(globalRegistrar) = []() {                                                                       \
        using TestInit =                                                                                                                    \
            typename create<TestNameClass,                                                                                                  \
                            decltype(get_wrapper<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)>()),                                               \
                            TypeList<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(INTERNAL_CATCH_REMOVE_PARENS(TypesList))>>::type;            \
        TestInit t;                                                                                                                         \
        t.reg_tests();                                                                                                                      \
        return 0;                                                                                                                           \
      }();                                                                                                                                  \
    }                                                                                                                                       \
  }                                                                                                                                         \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                                                  \
  template<typename TestType>                                                                                                               \
  void TestName<TestType>::test()

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(ClassName, Name, Tags, ...)                                              \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____), \
                                                     INTERNAL_CATCH_UNIQUE_NAME(                                                  \
                                                         ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____),             \
                                                     ClassName,                                                                   \
                                                     Name,                                                                        \
                                                     Tags,                                                                        \
                                                     typename T,                                                                  \
                                                     __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(ClassName, Name, Tags, ...)                                                  \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                        \
      INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____), \
                                                         INTERNAL_CATCH_UNIQUE_NAME(                                                  \
                                                             ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____),             \
                                                         ClassName,                                                                   \
                                                         Name,                                                                        \
                                                         Tags,                                                                        \
                                                         typename T,                                                                  \
                                                         __VA_ARGS__))
#endif

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(ClassName, Name, Tags, Signature, ...)                               \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____), \
                                                     INTERNAL_CATCH_UNIQUE_NAME(                                                  \
                                                         ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____),             \
                                                     ClassName,                                                                   \
                                                     Name,                                                                        \
                                                     Tags,                                                                        \
                                                     Signature,                                                                   \
                                                     __VA_ARGS__)
#else
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(ClassName, Name, Tags, Signature, ...)                                   \
  INTERNAL_CATCH_EXPAND_VARGS(                                                                                                        \
      INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____), \
                                                         INTERNAL_CATCH_UNIQUE_NAME(                                                  \
                                                             ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____),             \
                                                         ClassName,                                                                   \
                                                         Name,                                                                        \
                                                         Tags,                                                                        \
                                                         Signature,                                                                   \
                                                         __VA_ARGS__))
#endif

#define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD_2(TestNameClass, TestName, ClassName, Name, Tags, TmplList)                \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                                      \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                                       \
  CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS                                                                               \
  template<typename TestType>                                                                                                    \
  struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName<TestType>) {                                                          \
    void test();                                                                                                                 \
  };                                                                                                                             \
  namespace {                                                                                                                    \
    namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) {                                                                          \
      INTERNAL_CATCH_TYPE_GEN                                                                                                    \
      template<typename... Types>                                                                                                \
      struct TestNameClass {                                                                                                     \
        void reg_tests() {                                                                                                       \
          int index = 0;                                                                                                         \
          using expander = int[];                                                                                                \
          (void)expander{(Catch::AutoReg(Catch::makeTestInvoker(&TestName<Types>::test),                                         \
                                         CATCH_INTERNAL_LINEINFO,                                                                \
                                         #ClassName,                                                                             \
                                         Catch::NameAndTags{Name " - " + std::string(INTERNAL_CATCH_STRINGIZE(TmplList)) + " - " \
                                                                + std::to_string(index),                                         \
                                                            Tags}),                                                              \
                          index++)...}; /* NOLINT */                                                                             \
        }                                                                                                                        \
      };                                                                                                                         \
      static int INTERNAL_CATCH_UNIQUE_NAME(globalRegistrar) = []() {                                                            \
        using TestInit = typename convert<TestNameClass, TmplList>::type;                                                        \
        TestInit t;                                                                                                              \
        t.reg_tests();                                                                                                           \
        return 0;                                                                                                                \
      }();                                                                                                                       \
    }                                                                                                                            \
  }                                                                                                                              \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                                       \
  template<typename TestType>                                                                                                    \
  void TestName<TestType>::test()

#define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD(ClassName, Name, Tags, TmplList)                                                    \
  INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD_2(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____),            \
                                                  INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____), \
                                                  ClassName,                                                                              \
                                                  Name,                                                                                   \
                                                  Tags,                                                                                   \
                                                  TmplList)

// end catch_test_registry.h
// start catch_capture.hpp

// start catch_assertionhandler.h

// start catch_assertioninfo.h

// start catch_result_type.h

namespace Catch {
  // ResultWas::OfType enum
  struct ResultWas {
    enum OfType {
      Unknown = -1,
      Ok = 0,
      Info = 1,
      Warning = 2,

      FailureBit = 0x10,

      ExpressionFailed = FailureBit | 1,
      ExplicitFailure = FailureBit | 2,

      Exception = 0x100 | FailureBit,

      ThrewException = Exception | 1,
      DidntThrowException = Exception | 2,

      FatalErrorCondition = 0x200 | FailureBit

    };
  };

  bool isOk(ResultWas::OfType resultType);
  bool isJustInfo(int flags);

  // ResultDisposition::Flags enum
  struct ResultDisposition {
    enum Flags {
      Normal = 0x01,

      ContinueOnFailure = 0x02, // Failures fail test, but execution continues
      FalseTest = 0x04, // Prefix expression with !
      SuppressFail = 0x08 // Failures are reported but do not fail the test
    };
  };

  ResultDisposition::Flags operator|(ResultDisposition::Flags lhs, ResultDisposition::Flags rhs);

  bool shouldContinueOnFailure(int flags);
  inline bool isFalseTest(int flags) {
    return (flags & ResultDisposition::FalseTest) != 0;
  }
  bool shouldSuppressFailure(int flags);

} // end namespace Catch

// end catch_result_type.h
namespace Catch {
  struct AssertionInfo {
    StringRef macroName;
    SourceLineInfo lineInfo;
    StringRef capturedExpression;
    ResultDisposition::Flags resultDisposition;

    // We want to delete this constructor but a compiler bug in 4.8 means
    // the struct is then treated as non-aggregate
    // AssertionInfo() = delete;
  };

} // end namespace Catch

// end catch_assertioninfo.h
// start catch_decomposer.h

// start catch_tostring.h

#include <cstddef>
#include <string>
#include <type_traits>
#include <vector>
// start catch_stream.h

#include <cstddef>
#include <iosfwd>
#include <ostream>

namespace Catch {
  std::ostream &cout();
  std::ostream &cerr();
  std::ostream &clog();

  class StringRef;

  struct IStream {
    virtual ~IStream();
    virtual std::ostream &stream() const = 0;
  };

  auto makeStream(StringRef const &filename) -> IStream const *;

  class ReusableStringStream : NonCopyable {
    std::size_t m_index;
    std::ostream *m_oss;

  public:
    ReusableStringStream();
    ~ReusableStringStream();

    auto str() const -> std::string;

    template<typename T>
    auto operator<<(T const &value) -> ReusableStringStream & {
      *m_oss << value;
      return *this;
    }
    auto get() -> std::ostream & { return *m_oss; }
  };
} // namespace Catch

// end catch_stream.h
// start catch_interfaces_enum_values_registry.h

#include <vector>

namespace Catch {
  namespace Detail {
    struct EnumInfo {
      StringRef m_name;
      std::vector<std::pair<int, StringRef>> m_values;

      ~EnumInfo();

      StringRef lookup(int value) const;
    };
  } // namespace Detail

  struct IMutableEnumValuesRegistry {
    virtual ~IMutableEnumValuesRegistry();

    virtual Detail::EnumInfo const &registerEnum(StringRef enumName, StringRef allEnums, std::vector<int> const &values) = 0;

    template<typename E>
    Detail::EnumInfo const &registerEnum(StringRef enumName, StringRef allEnums, std::initializer_list<E> values) {
      static_assert(sizeof(int) >= sizeof(E), "Cannot serialize enum to int");
      std::vector<int> intValues;
      intValues.reserve(values.size());
      for (auto enumValue : values)
        intValues.push_back(static_cast<int>(enumValue));
      return registerEnum(enumName, allEnums, intValues);
    }
  };

} // namespace Catch

// end catch_interfaces_enum_values_registry.h

#ifdef CATCH_CONFIG_CPP17_STRING_VIEW
#include <string_view>
#endif

#ifdef __OBJC__
// start catch_objc_arc.hpp

#import <Foundation/Foundation.h>

#ifdef __has_feature
#define CATCH_ARC_ENABLED __has_feature(objc_arc)
#else
#define CATCH_ARC_ENABLED 0
#endif

void arcSafeRelease(NSObject *obj);
id performOptionalSelector(id obj, SEL sel);

#if !CATCH_ARC_ENABLED
inline void arcSafeRelease(NSObject *obj) {
  [obj release];
}
inline id performOptionalSelector(id obj, SEL sel) {
  if ([obj respondsToSelector:sel])
    return [obj performSelector:sel];
  return nil;
}
#define CATCH_UNSAFE_UNRETAINED
#define CATCH_ARC_STRONG
#else
inline void arcSafeRelease(NSObject *) {
}
inline id performOptionalSelector(id obj, SEL sel) {
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
#endif
  if ([obj respondsToSelector:sel])
    return [obj performSelector:sel];
#ifdef __clang__
#pragma clang diagnostic pop
#endif
  return nil;
}
#define CATCH_UNSAFE_UNRETAINED __unsafe_unretained
#define CATCH_ARC_STRONG __strong
#endif

// end catch_objc_arc.hpp
#endif

#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4180) // We attempt to stream a function (address) by const&, which MSVC complains about but is harmless
#endif

namespace Catch {
  namespace Detail {
    extern const std::string unprintableString;

    std::string rawMemoryToString(const void *object, std::size_t size);

    template<typename T>
    std::string rawMemoryToString(const T &object) {
      return rawMemoryToString(&object, sizeof(object));
    }

    template<typename T>
    class IsStreamInsertable {
      template<typename Stream, typename U>
      static auto test(int) -> decltype(std::declval<Stream &>() << std::declval<U>(), std::true_type());

      template<typename, typename>
      static auto test(...) -> std::false_type;

    public:
      static const bool value = decltype(test<std::ostream, const T &>(0))::value;
    };

    template<typename E>
    std::string convertUnknownEnumToString(E e);

    template<typename T>
    typename std::enable_if<!std::is_enum<T>::value && !std::is_base_of<std::exception, T>::value, std::string>::type convertUnstreamable(T const &) {
      return Detail::unprintableString;
    }
    template<typename T>
    typename std::enable_if<!std::is_enum<T>::value && std::is_base_of<std::exception, T>::value, std::string>::type convertUnstreamable(T const &ex) {
      return ex.what();
    }

    template<typename T>
    typename std::enable_if<std::is_enum<T>::value, std::string>::type convertUnstreamable(T const &value) {
      return convertUnknownEnumToString(value);
    }

#if defined(_MANAGED)
    //! Convert a CLR string to a utf8 std::string
    template<typename T>
    std::string clrReferenceToString(T ^ ref) {
      if (ref == nullptr)
        return std::string("null");
      auto bytes = System::Text::Encoding::UTF8->GetBytes(ref->ToString());
      cli::pin_ptr<System::Byte> p = &bytes[0];
      return std::string(reinterpret_cast<char const *>(p), bytes->Length);
    }
#endif

  } // namespace Detail

  // If we decide for C++14, change these to enable_if_ts
  template<typename T, typename = void>
  struct StringMaker {
    template<typename Fake = T>
    static typename std::enable_if<::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type convert(const Fake &value) {
      ReusableStringStream rss;
      // NB: call using the function-like syntax to avoid ambiguity with
      // user-defined templated operator<< under clang.
      rss.operator<<(value);
      return rss.str();
    }

    template<typename Fake = T>
    static typename std::enable_if<!::Catch::Detail::IsStreamInsertable<Fake>::value, std::string>::type convert(const Fake &value) {
#if !defined(CATCH_CONFIG_FALLBACK_STRINGIFIER)
      return Detail::convertUnstreamable(value);
#else
      return CATCH_CONFIG_FALLBACK_STRINGIFIER(value);
#endif
    }
  };

  namespace Detail {
    // This function dispatches all stringification requests inside of Catch.
    // Should be preferably called fully qualified, like ::Catch::Detail::stringify
    template<typename T>
    std::string stringify(const T &e) {
      return ::Catch::StringMaker<typename std::remove_cv<typename std::remove_reference<T>::type>::type>::convert(e);
    }

    template<typename E>
    std::string convertUnknownEnumToString(E e) {
      return ::Catch::Detail::stringify(static_cast<typename std::underlying_type<E>::type>(e));
    }

#if defined(_MANAGED)
    template<typename T>
    std::string stringify(T ^ e) {
      return ::Catch::StringMaker<T ^>::convert(e);
    }
#endif

  } // namespace Detail

  // Some predefined specializations

  template<>
  struct StringMaker<std::string> {
    static std::string convert(const std::string &str);
  };

#ifdef CATCH_CONFIG_CPP17_STRING_VIEW
  template<>
  struct StringMaker<std::string_view> {
    static std::string convert(std::string_view str);
  };
#endif

  template<>
  struct StringMaker<char const *> {
    static std::string convert(char const *str);
  };
  template<>
  struct StringMaker<char *> {
    static std::string convert(char *str);
  };

#ifdef CATCH_CONFIG_WCHAR
  template<>
  struct StringMaker<std::wstring> {
    static std::string convert(const std::wstring &wstr);
  };

#ifdef CATCH_CONFIG_CPP17_STRING_VIEW
  template<>
  struct StringMaker<std::wstring_view> {
    static std::string convert(std::wstring_view str);
  };
#endif

  template<>
  struct StringMaker<wchar_t const *> {
    static std::string convert(wchar_t const *str);
  };
  template<>
  struct StringMaker<wchar_t *> {
    static std::string convert(wchar_t *str);
  };
#endif

  // TBD: Should we use `strnlen` to ensure that we don't go out of the buffer,
  //      while keeping string semantics?
  template<int SZ>
  struct StringMaker<char[SZ]> {
    static std::string convert(char const *str) { return ::Catch::Detail::stringify(std::string{str}); }
  };
  template<int SZ>
  struct StringMaker<signed char[SZ]> {
    static std::string convert(signed char const *str) {
      return ::Catch::Detail::stringify(std::string{reinterpret_cast<char const *>(str)});
    }
  };
  template<int SZ>
  struct StringMaker<unsigned char[SZ]> {
    static std::string convert(unsigned char const *str) {
      return ::Catch::Detail::stringify(std::string{reinterpret_cast<char const *>(str)});
    }
  };

#if defined(CATCH_CONFIG_CPP17_BYTE)
  template<>
  struct StringMaker<std::byte> {
    static std::string convert(std::byte value);
  };
#endif // defined(CATCH_CONFIG_CPP17_BYTE)
  template<>
  struct StringMaker<int> {
    static std::string convert(int value);
  };
  template<>
  struct StringMaker<long> {
    static std::string convert(long value);
  };
  template<>
  struct StringMaker<long long> {
    static std::string convert(long long value);
  };
  template<>
  struct StringMaker<unsigned int> {
    static std::string convert(unsigned int value);
  };
  template<>
  struct StringMaker<unsigned long> {
    static std::string convert(unsigned long value);
  };
  template<>
  struct StringMaker<unsigned long long> {
    static std::string convert(unsigned long long value);
  };

  template<>
  struct StringMaker<bool> {
    static std::string convert(bool b);
  };

  template<>
  struct StringMaker<char> {
    static std::string convert(char c);
  };
  template<>
  struct StringMaker<signed char> {
    static std::string convert(signed char c);
  };
  template<>
  struct StringMaker<unsigned char> {
    static std::string convert(unsigned char c);
  };

  template<>
  struct StringMaker<std::nullptr_t> {
    static std::string convert(std::nullptr_t);
  };

  template<>
  struct StringMaker<float> {
    static std::string convert(float value);
    static int precision;
  };

  template<>
  struct StringMaker<double> {
    static std::string convert(double value);
    static int precision;
  };

  template<typename T>
  struct StringMaker<T *> {
    template<typename U>
    static std::string convert(U *p) {
      if (p) {
        return ::Catch::Detail::rawMemoryToString(p);
      } else {
        return "nullptr";
      }
    }
  };

  template<typename R, typename C>
  struct StringMaker<R C::*> {
    static std::string convert(R C::*p) {
      if (p) {
        return ::Catch::Detail::rawMemoryToString(p);
      } else {
        return "nullptr";
      }
    }
  };

#if defined(_MANAGED)
  template<typename T>
  struct StringMaker<T ^> {
    static std::string convert(T ^ ref) { return ::Catch::Detail::clrReferenceToString(ref); }
  };
#endif

  namespace Detail {
    template<typename InputIterator, typename Sentinel = InputIterator>
    std::string rangeToString(InputIterator first, Sentinel last) {
      ReusableStringStream rss;
      rss << "{ ";
      if (first != last) {
        rss << ::Catch::Detail::stringify(*first);
        for (++first; first != last; ++first)
          rss << ", " << ::Catch::Detail::stringify(*first);
      }
      rss << " }";
      return rss.str();
    }
  } // namespace Detail

#ifdef __OBJC__
  template<>
  struct StringMaker<NSString *> {
    static std::string convert(NSString *nsstring) {
      if (!nsstring)
        return "nil";
      return std::string("@") + [nsstring UTF8String];
    }
  };
  template<>
  struct StringMaker<NSObject *> {
    static std::string convert(NSObject *nsObject) { return ::Catch::Detail::stringify([nsObject description]); }
  };
  namespace Detail {
    inline std::string stringify(NSString *nsstring) {
      return StringMaker<NSString *>::convert(nsstring);
    }

  } // namespace Detail
#endif // __OBJC__

} // namespace Catch

//////////////////////////////////////////////////////
// Separate std-lib types stringification, so it can be selectively enabled
// This means that we do not bring in

#if defined(CATCH_CONFIG_ENABLE_ALL_STRINGMAKERS)
#define CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
#define CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER
#define CATCH_CONFIG_ENABLE_VARIANT_STRINGMAKER
#define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
#define CATCH_CONFIG_ENABLE_OPTIONAL_STRINGMAKER
#endif

// Separate std::pair specialization
#if defined(CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER)
#include <utility>
namespace Catch {
  template<typename T1, typename T2>
  struct StringMaker<std::pair<T1, T2>> {
    static std::string convert(const std::pair<T1, T2> &pair) {
      ReusableStringStream rss;
      rss << "{ " << ::Catch::Detail::stringify(pair.first) << ", " << ::Catch::Detail::stringify(pair.second) << " }";
      return rss.str();
    }
  };
} // namespace Catch
#endif // CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER

#if defined(CATCH_CONFIG_ENABLE_OPTIONAL_STRINGMAKER) && defined(CATCH_CONFIG_CPP17_OPTIONAL)
#include <optional>
namespace Catch {
  template<typename T>
  struct StringMaker<std::optional<T>> {
    static std::string convert(const std::optional<T> &optional) {
      ReusableStringStream rss;
      if (optional.has_value()) {
        rss << ::Catch::Detail::stringify(*optional);
      } else {
        rss << "{ }";
      }
      return rss.str();
    }
  };
} // namespace Catch
#endif // CATCH_CONFIG_ENABLE_OPTIONAL_STRINGMAKER

// Separate std::tuple specialization
#if defined(CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER)
#include <tuple>
namespace Catch {
  namespace Detail {
    template<typename Tuple, std::size_t N = 0, bool = (N < std::tuple_size<Tuple>::value)>
    struct TupleElementPrinter {
      static void print(const Tuple &tuple, std::ostream &os) {
        os << (N ? ", " : " ") << ::Catch::Detail::stringify(std::get<N>(tuple));
        TupleElementPrinter<Tuple, N + 1>::print(tuple, os);
      }
    };

    template<typename Tuple, std::size_t N>
    struct TupleElementPrinter<Tuple, N, false> {
      static void print(const Tuple &, std::ostream &) {}
    };

  } // namespace Detail

  template<typename... Types>
  struct StringMaker<std::tuple<Types...>> {
    static std::string convert(const std::tuple<Types...> &tuple) {
      ReusableStringStream rss;
      rss << '{';
      Detail::TupleElementPrinter<std::tuple<Types...>>::print(tuple, rss.get());
      rss << " }";
      return rss.str();
    }
  };
} // namespace Catch
#endif // CATCH_CONFIG_ENABLE_TUPLE_STRINGMAKER

#if defined(CATCH_CONFIG_ENABLE_VARIANT_STRINGMAKER) && defined(CATCH_CONFIG_CPP17_VARIANT)
#include <variant>
namespace Catch {
  template<>
  struct StringMaker<std::monostate> {
    static std::string convert(const std::monostate &) { return "{ }"; }
  };

  template<typename... Elements>
  struct StringMaker<std::variant<Elements...>> {
    static std::string convert(const std::variant<Elements...> &variant) {
      if (variant.valueless_by_exception()) {
        return "{valueless variant}";
      } else {
        return std::visit([](const auto &value) { return ::Catch::Detail::stringify(value); }, variant);
      }
    }
  };
} // namespace Catch
#endif // CATCH_CONFIG_ENABLE_VARIANT_STRINGMAKER

namespace Catch {
  // Import begin/ end from std here
  using std::begin;
  using std::end;

  namespace detail {
    template<typename...>
    struct void_type {
      using type = void;
    };

    template<typename T, typename = void>
    struct is_range_impl : std::false_type {
    };

    template<typename T>
    struct is_range_impl<T, typename void_type<decltype(begin(std::declval<T>()))>::type> : std::true_type {
    };
  } // namespace detail

  template<typename T>
  struct is_range : detail::is_range_impl<T> {
  };

#if defined(_MANAGED) // Managed types are never ranges
  template<typename T>
  struct is_range<T ^> {
    static const bool value = false;
  };
#endif

  template<typename Range>
  std::string rangeToString(Range const &range) {
    return ::Catch::Detail::rangeToString(begin(range), end(range));
  }

  // Handle vector<bool> specially
  template<typename Allocator>
  std::string rangeToString(std::vector<bool, Allocator> const &v) {
    ReusableStringStream rss;
    rss << "{ ";
    bool first = true;
    for (bool b : v) {
      if (first)
        first = false;
      else
        rss << ", ";
      rss << ::Catch::Detail::stringify(b);
    }
    rss << " }";
    return rss.str();
  }

  template<typename R>
  struct StringMaker<R, typename std::enable_if<is_range<R>::value && !::Catch::Detail::IsStreamInsertable<R>::value>::type> {
    static std::string convert(R const &range) { return rangeToString(range); }
  };

  template<typename T, int SZ>
  struct StringMaker<T[SZ]> {
    static std::string convert(T const (&arr)[SZ]) { return rangeToString(arr); }
  };

} // namespace Catch

// Separate std::chrono::duration specialization
#if defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
#include <chrono>
#include <ctime>
#include <ratio>

namespace Catch {
  template<class Ratio>
  struct ratio_string {
    static std::string symbol();
  };

  template<class Ratio>
  std::string ratio_string<Ratio>::symbol() {
    Catch::ReusableStringStream rss;
    rss << '[' << Ratio::num << '/' << Ratio::den << ']';
    return rss.str();
  }
  template<>
  struct ratio_string<std::atto> {
    static std::string symbol();
  };
  template<>
  struct ratio_string<std::femto> {
    static std::string symbol();
  };
  template<>
  struct ratio_string<std::pico> {
    static std::string symbol();
  };
  template<>
  struct ratio_string<std::nano> {
    static std::string symbol();
  };
  template<>
  struct ratio_string<std::micro> {
    static std::string symbol();
  };
  template<>
  struct ratio_string<std::milli> {
    static std::string symbol();
  };

  ////////////
  // std::chrono::duration specializations
  template<typename Value, typename Ratio>
  struct StringMaker<std::chrono::duration<Value, Ratio>> {
    static std::string convert(std::chrono::duration<Value, Ratio> const &duration) {
      ReusableStringStream rss;
      rss << duration.count() << ' ' << ratio_string<Ratio>::symbol() << 's';
      return rss.str();
    }
  };
  template<typename Value>
  struct StringMaker<std::chrono::duration<Value, std::ratio<1>>> {
    static std::string convert(std::chrono::duration<Value, std::ratio<1>> const &duration) {
      ReusableStringStream rss;
      rss << duration.count() << " s";
      return rss.str();
    }
  };
  template<typename Value>
  struct StringMaker<std::chrono::duration<Value, std::ratio<60>>> {
    static std::string convert(std::chrono::duration<Value, std::ratio<60>> const &duration) {
      ReusableStringStream rss;
      rss << duration.count() << " m";
      return rss.str();
    }
  };
  template<typename Value>
  struct StringMaker<std::chrono::duration<Value, std::ratio<3600>>> {
    static std::string convert(std::chrono::duration<Value, std::ratio<3600>> const &duration) {
      ReusableStringStream rss;
      rss << duration.count() << " h";
      return rss.str();
    }
  };

  ////////////
  // std::chrono::time_point specialization
  // Generic time_point cannot be specialized, only std::chrono::time_point<system_clock>
  template<typename Clock, typename Duration>
  struct StringMaker<std::chrono::time_point<Clock, Duration>> {
    static std::string convert(std::chrono::time_point<Clock, Duration> const &time_point) {
      return ::Catch::Detail::stringify(time_point.time_since_epoch()) + " since epoch";
    }
  };
  // std::chrono::time_point<system_clock> specialization
  template<typename Duration>
  struct StringMaker<std::chrono::time_point<std::chrono::system_clock, Duration>> {
    static std::string convert(std::chrono::time_point<std::chrono::system_clock, Duration> const &time_point) {
      auto converted = std::chrono::system_clock::to_time_t(time_point);

#ifdef _MSC_VER
      std::tm timeInfo = {};
      gmtime_s(&timeInfo, &converted);
#else
      std::tm *timeInfo = std::gmtime(&converted);
#endif

      auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");
      char timeStamp[timeStampSize];
      const char *const fmt = "%Y-%m-%dT%H:%M:%SZ";

#ifdef _MSC_VER
      std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
#else
      std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
#endif
      return std::string(timeStamp);
    }
  };
} // namespace Catch
#endif // CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER

#define INTERNAL_CATCH_REGISTER_ENUM(enumName, ...)                                                                                 \
  namespace Catch {                                                                                                                 \
    template<>                                                                                                                      \
    struct StringMaker<enumName> {                                                                                                  \
      static std::string convert(enumName value) {                                                                                  \
        static const auto &enumInfo                                                                                                 \
            = ::Catch::getMutableRegistryHub().getMutableEnumValuesRegistry().registerEnum(#enumName, #__VA_ARGS__, {__VA_ARGS__}); \
        return static_cast<std::string>(enumInfo.lookup(static_cast<int>(value)));                                                  \
      }                                                                                                                             \
    };                                                                                                                              \
  }

#define CATCH_REGISTER_ENUM(enumName, ...) INTERNAL_CATCH_REGISTER_ENUM(enumName, __VA_ARGS__)

#ifdef _MSC_VER
#pragma warning(pop)
#endif

// end catch_tostring.h
#include <iosfwd>

#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4389) // '==' : signed/unsigned mismatch
#pragma warning(disable : 4018) // more "signed/unsigned mismatch"
#pragma warning(disable : 4312) // Converting int to T* using reinterpret_cast (issue on x64 platform)
#pragma warning(disable : 4180) // qualifier applied to function type has no meaning
#pragma warning(disable : 4800) // Forcing result to true or false
#endif

namespace Catch {
  struct ITransientExpression {
    auto isBinaryExpression() const -> bool { return m_isBinaryExpression; }
    auto getResult() const -> bool { return m_result; }
    virtual void streamReconstructedExpression(std::ostream &os) const = 0;

    ITransientExpression(bool isBinaryExpression, bool result)
        : m_isBinaryExpression(isBinaryExpression)
        , m_result(result) {
    }

    // We don't actually need a virtual destructor, but many static analysers
    // complain if it's not here :-(
    virtual ~ITransientExpression();

    bool m_isBinaryExpression;
    bool m_result;
  };

  void formatReconstructedExpression(std::ostream &os, std::string const &lhs, StringRef op, std::string const &rhs);

  template<typename LhsT, typename RhsT>
  class BinaryExpr : public ITransientExpression {
    LhsT m_lhs;
    StringRef m_op;
    RhsT m_rhs;

    void streamReconstructedExpression(std::ostream &os) const override {
      formatReconstructedExpression(os, Catch::Detail::stringify(m_lhs), m_op, Catch::Detail::stringify(m_rhs));
    }

  public:
    BinaryExpr(bool comparisonResult, LhsT lhs, StringRef op, RhsT rhs)
        : ITransientExpression{true, comparisonResult}
        , m_lhs(lhs)
        , m_op(op)
        , m_rhs(rhs) {
    }

    template<typename T>
    auto operator&&(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename T>
    auto operator||(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename T>
    auto operator==(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename T>
    auto operator!=(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename T>
    auto operator>(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename T>
    auto operator<(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename T>
    auto operator>=(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename T>
    auto operator<=(T) const -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<T>::value,
                    "chained comparisons are not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }
  };

  template<typename LhsT>
  class UnaryExpr : public ITransientExpression {
    LhsT m_lhs;

    void streamReconstructedExpression(std::ostream &os) const override { os << Catch::Detail::stringify(m_lhs); }

  public:
    explicit UnaryExpr(LhsT lhs)
        : ITransientExpression{false, static_cast<bool>(lhs)}
        , m_lhs(lhs) {
    }
  };

  // Specialised comparison functions to handle equality comparisons between ints and pointers (NULL deduces as an int)
  template<typename LhsT, typename RhsT>
  auto compareEqual(LhsT const &lhs, RhsT const &rhs) -> bool {
    return static_cast<bool>(lhs == rhs);
  }
  template<typename T>
  auto compareEqual(T *const &lhs, int rhs) -> bool {
    return lhs == reinterpret_cast<void const *>(rhs);
  }
  template<typename T>
  auto compareEqual(T *const &lhs, long rhs) -> bool {
    return lhs == reinterpret_cast<void const *>(rhs);
  }
  template<typename T>
  auto compareEqual(int lhs, T *const &rhs) -> bool {
    return reinterpret_cast<void const *>(lhs) == rhs;
  }
  template<typename T>
  auto compareEqual(long lhs, T *const &rhs) -> bool {
    return reinterpret_cast<void const *>(lhs) == rhs;
  }

  template<typename LhsT, typename RhsT>
  auto compareNotEqual(LhsT const &lhs, RhsT &&rhs) -> bool {
    return static_cast<bool>(lhs != rhs);
  }
  template<typename T>
  auto compareNotEqual(T *const &lhs, int rhs) -> bool {
    return lhs != reinterpret_cast<void const *>(rhs);
  }
  template<typename T>
  auto compareNotEqual(T *const &lhs, long rhs) -> bool {
    return lhs != reinterpret_cast<void const *>(rhs);
  }
  template<typename T>
  auto compareNotEqual(int lhs, T *const &rhs) -> bool {
    return reinterpret_cast<void const *>(lhs) != rhs;
  }
  template<typename T>
  auto compareNotEqual(long lhs, T *const &rhs) -> bool {
    return reinterpret_cast<void const *>(lhs) != rhs;
  }

  template<typename LhsT>
  class ExprLhs {
    LhsT m_lhs;

  public:
    explicit ExprLhs(LhsT lhs)
        : m_lhs(lhs) {
    }

    template<typename RhsT>
    auto operator==(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {compareEqual(m_lhs, rhs), m_lhs, "==", rhs};
    }
    auto operator==(bool rhs) -> BinaryExpr<LhsT, bool> const { return {m_lhs == rhs, m_lhs, "==", rhs}; }

    template<typename RhsT>
    auto operator!=(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {compareNotEqual(m_lhs, rhs), m_lhs, "!=", rhs};
    }
    auto operator!=(bool rhs) -> BinaryExpr<LhsT, bool> const { return {m_lhs != rhs, m_lhs, "!=", rhs}; }

    template<typename RhsT>
    auto operator>(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {static_cast<bool>(m_lhs > rhs), m_lhs, ">", rhs};
    }
    template<typename RhsT>
    auto operator<(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {static_cast<bool>(m_lhs < rhs), m_lhs, "<", rhs};
    }
    template<typename RhsT>
    auto operator>=(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {static_cast<bool>(m_lhs >= rhs), m_lhs, ">=", rhs};
    }
    template<typename RhsT>
    auto operator<=(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {static_cast<bool>(m_lhs <= rhs), m_lhs, "<=", rhs};
    }
    template<typename RhsT>
    auto operator|(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {static_cast<bool>(m_lhs | rhs), m_lhs, "|", rhs};
    }
    template<typename RhsT>
    auto operator&(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {static_cast<bool>(m_lhs & rhs), m_lhs, "&", rhs};
    }
    template<typename RhsT>
    auto operator^(RhsT const &rhs) -> BinaryExpr<LhsT, RhsT const &> const {
      return {static_cast<bool>(m_lhs ^ rhs), m_lhs, "^", rhs};
    }

    template<typename RhsT>
    auto operator&&(RhsT const &) -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<RhsT>::value,
                    "operator&& is not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    template<typename RhsT>
    auto operator||(RhsT const &) -> BinaryExpr<LhsT, RhsT const &> const {
      static_assert(always_false<RhsT>::value,
                    "operator|| is not supported inside assertions, "
                    "wrap the expression inside parentheses, or decompose it");
    }

    auto makeUnaryExpr() const -> UnaryExpr<LhsT> { return UnaryExpr<LhsT>{m_lhs}; }
  };

  void handleExpression(ITransientExpression const &expr);

  template<typename T>
  void handleExpression(ExprLhs<T> const &expr) {
    handleExpression(expr.makeUnaryExpr());
  }

  struct Decomposer {
    template<typename T>
    auto operator<=(T const &lhs) -> ExprLhs<T const &> {
      return ExprLhs<T const &>{lhs};
    }

    auto operator<=(bool value) -> ExprLhs<bool> { return ExprLhs<bool>{value}; }
  };

} // end namespace Catch

#ifdef _MSC_VER
#pragma warning(pop)
#endif

// end catch_decomposer.h
// start catch_interfaces_capture.h

#include <chrono>
#include <string>

namespace Catch {
  class AssertionResult;
  struct AssertionInfo;
  struct SectionInfo;
  struct SectionEndInfo;
  struct MessageInfo;
  struct MessageBuilder;
  struct Counts;
  struct AssertionReaction;
  struct SourceLineInfo;

  struct ITransientExpression;
  struct IGeneratorTracker;

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  struct BenchmarkInfo;
  template<typename Duration = std::chrono::duration<double, std::nano>>
  struct BenchmarkStats;
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

  struct IResultCapture {
    virtual ~IResultCapture();

    virtual bool sectionStarted(SectionInfo const &sectionInfo, Counts &assertions) = 0;
    virtual void sectionEnded(SectionEndInfo const &endInfo) = 0;
    virtual void sectionEndedEarly(SectionEndInfo const &endInfo) = 0;

    virtual auto acquireGeneratorTracker(StringRef generatorName, SourceLineInfo const &lineInfo) -> IGeneratorTracker & = 0;

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
    virtual void benchmarkPreparing(std::string const &name) = 0;
    virtual void benchmarkStarting(BenchmarkInfo const &info) = 0;
    virtual void benchmarkEnded(BenchmarkStats<> const &stats) = 0;
    virtual void benchmarkFailed(std::string const &error) = 0;
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

    virtual void pushScopedMessage(MessageInfo const &message) = 0;
    virtual void popScopedMessage(MessageInfo const &message) = 0;

    virtual void emplaceUnscopedMessage(MessageBuilder const &builder) = 0;

    virtual void handleFatalErrorCondition(StringRef message) = 0;

    virtual void handleExpr(AssertionInfo const &info, ITransientExpression const &expr, AssertionReaction &reaction) = 0;
    virtual void handleMessage(AssertionInfo const &info, ResultWas::OfType resultType, StringRef const &message, AssertionReaction &reaction)
        = 0;
    virtual void handleUnexpectedExceptionNotThrown(AssertionInfo const &info, AssertionReaction &reaction) = 0;
    virtual void handleUnexpectedInflightException(AssertionInfo const &info, std::string const &message, AssertionReaction &reaction) = 0;
    virtual void handleIncomplete(AssertionInfo const &info) = 0;
    virtual void handleNonExpr(AssertionInfo const &info, ResultWas::OfType resultType, AssertionReaction &reaction) = 0;

    virtual bool lastAssertionPassed() = 0;
    virtual void assertionPassed() = 0;

    // Deprecated, do not use:
    virtual std::string getCurrentTestName() const = 0;
    virtual const AssertionResult *getLastResult() const = 0;
    virtual void exceptionEarlyReported() = 0;
  };

  IResultCapture &getResultCapture();
} // namespace Catch

// end catch_interfaces_capture.h
namespace Catch {
  struct TestFailureException {
  };
  struct AssertionResultData;
  struct IResultCapture;
  class RunContext;

  class LazyExpression {
    friend class AssertionHandler;
    friend struct AssertionStats;
    friend class RunContext;

    ITransientExpression const *m_transientExpression = nullptr;
    bool m_isNegated;

  public:
    LazyExpression(bool isNegated);
    LazyExpression(LazyExpression const &other);
    LazyExpression &operator=(LazyExpression const &) = delete;

    explicit operator bool() const;

    friend auto operator<<(std::ostream &os, LazyExpression const &lazyExpr) -> std::ostream &;
  };

  struct AssertionReaction {
    bool shouldDebugBreak = false;
    bool shouldThrow = false;
  };

  class AssertionHandler {
    AssertionInfo m_assertionInfo;
    AssertionReaction m_reaction;
    bool m_completed = false;
    IResultCapture &m_resultCapture;

  public:
    AssertionHandler(StringRef const &macroName,
                     SourceLineInfo const &lineInfo,
                     StringRef capturedExpression,
                     ResultDisposition::Flags resultDisposition);
    ~AssertionHandler() {
      if (!m_completed) {
        m_resultCapture.handleIncomplete(m_assertionInfo);
      }
    }

    template<typename T>
    void handleExpr(ExprLhs<T> const &expr) {
      handleExpr(expr.makeUnaryExpr());
    }
    void handleExpr(ITransientExpression const &expr);

    void handleMessage(ResultWas::OfType resultType, StringRef const &message);

    void handleExceptionThrownAsExpected();
    void handleUnexpectedExceptionNotThrown();
    void handleExceptionNotThrownAsExpected();
    void handleThrowingCallSkipped();
    void handleUnexpectedInflightException();

    void complete();
    void setCompleted();

    // query
    auto allowThrows() const -> bool;
  };

  void handleExceptionMatchExpr(AssertionHandler &handler, std::string const &str, StringRef const &matcherString);

} // namespace Catch

// end catch_assertionhandler.h
// start catch_message.h

#include <string>
#include <vector>

namespace Catch {
  struct MessageInfo {
    MessageInfo(StringRef const &_macroName, SourceLineInfo const &_lineInfo, ResultWas::OfType _type);

    StringRef macroName;
    std::string message;
    SourceLineInfo lineInfo;
    ResultWas::OfType type;
    unsigned int sequence;

    bool operator==(MessageInfo const &other) const;
    bool operator<(MessageInfo const &other) const;

  private:
    static unsigned int globalCount;
  };

  struct MessageStream {
    template<typename T>
    MessageStream &operator<<(T const &value) {
      m_stream << value;
      return *this;
    }

    ReusableStringStream m_stream;
  };

  struct MessageBuilder : MessageStream {
    MessageBuilder(StringRef const &macroName, SourceLineInfo const &lineInfo, ResultWas::OfType type);

    template<typename T>
    MessageBuilder &operator<<(T const &value) {
      m_stream << value;
      return *this;
    }

    MessageInfo m_info;
  };

  class ScopedMessage {
  public:
    explicit ScopedMessage(MessageBuilder const &builder);
    ScopedMessage(ScopedMessage &duplicate) = delete;
    ScopedMessage(ScopedMessage &&old);
    ~ScopedMessage();

    MessageInfo m_info;
    bool m_moved;
  };

  class Capturer {
    std::vector<MessageInfo> m_messages;
    IResultCapture &m_resultCapture = getResultCapture();
    size_t m_captured = 0;

  public:
    Capturer(StringRef macroName, SourceLineInfo const &lineInfo, ResultWas::OfType resultType, StringRef names);
    ~Capturer();

    void captureValue(size_t index, std::string const &value);

    template<typename T>
    void captureValues(size_t index, T const &value) {
      captureValue(index, Catch::Detail::stringify(value));
    }

    template<typename T, typename... Ts>
    void captureValues(size_t index, T const &value, Ts const &...values) {
      captureValue(index, Catch::Detail::stringify(value));
      captureValues(index + 1, values...);
    }
  };

} // end namespace Catch

// end catch_message.h
#if !defined(CATCH_CONFIG_DISABLE)

#if !defined(CATCH_CONFIG_DISABLE_STRINGIFICATION)
#define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__
#else
#define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"
#endif

#if defined(CATCH_CONFIG_FAST_COMPILE) || defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)

///////////////////////////////////////////////////////////////////////////////
// Another way to speed-up compilation is to omit local try-catch for REQUIRE*
// macros.
#define INTERNAL_CATCH_TRY
#define INTERNAL_CATCH_CATCH(capturer)

#else // CATCH_CONFIG_FAST_COMPILE

#define INTERNAL_CATCH_TRY try
#define INTERNAL_CATCH_CATCH(handler)            \
  catch (...) {                                  \
    handler.handleUnexpectedInflightException(); \
  }

#endif

#define INTERNAL_CATCH_REACT(handler) handler.complete();

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST(macroName, resultDisposition, ...)                           \
  do {                                                                                   \
    CATCH_INTERNAL_IGNORE_BUT_WARN(__VA_ARGS__);                                         \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr,                  \
                                                  CATCH_INTERNAL_LINEINFO,               \
                                                  CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), \
                                                  resultDisposition);                    \
    INTERNAL_CATCH_TRY {                                                                 \
      CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                          \
      CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS                                       \
      catchAssertionHandler.handleExpr(Catch::Decomposer() <= __VA_ARGS__);              \
      CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                           \
    }                                                                                    \
    INTERNAL_CATCH_CATCH(catchAssertionHandler)                                          \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                          \
  } while ((void)0, (false) && static_cast<bool>(!!(__VA_ARGS__)))

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_IF(macroName, resultDisposition, ...)      \
  INTERNAL_CATCH_TEST(macroName, resultDisposition, __VA_ARGS__); \
  if (Catch::getResultCapture().lastAssertionPassed())

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ELSE(macroName, resultDisposition, ...)    \
  INTERNAL_CATCH_TEST(macroName, resultDisposition, __VA_ARGS__); \
  if (!Catch::getResultCapture().lastAssertionPassed())

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_NO_THROW(macroName, resultDisposition, ...)                       \
  do {                                                                                   \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr,                  \
                                                  CATCH_INTERNAL_LINEINFO,               \
                                                  CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), \
                                                  resultDisposition);                    \
    try {                                                                                \
      static_cast<void>(__VA_ARGS__);                                                    \
      catchAssertionHandler.handleExceptionNotThrownAsExpected();                        \
    } catch (...) {                                                                      \
      catchAssertionHandler.handleUnexpectedInflightException();                         \
    }                                                                                    \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                          \
  } while (false)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS(macroName, resultDisposition, ...)                         \
  do {                                                                                   \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr,                  \
                                                  CATCH_INTERNAL_LINEINFO,               \
                                                  CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), \
                                                  resultDisposition);                    \
    if (catchAssertionHandler.allowThrows())                                             \
      try {                                                                              \
        static_cast<void>(__VA_ARGS__);                                                  \
        catchAssertionHandler.handleUnexpectedExceptionNotThrown();                      \
      } catch (...) {                                                                    \
        catchAssertionHandler.handleExceptionThrownAsExpected();                         \
      }                                                                                  \
    else                                                                                 \
      catchAssertionHandler.handleThrowingCallSkipped();                                 \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                          \
  } while (false)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_AS(macroName, exceptionType, resultDisposition, expr)                                            \
  do {                                                                                                                         \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr,                                                        \
                                                  CATCH_INTERNAL_LINEINFO,                                                     \
                                                  CATCH_INTERNAL_STRINGIFY(expr) ", " CATCH_INTERNAL_STRINGIFY(exceptionType), \
                                                  resultDisposition);                                                          \
    if (catchAssertionHandler.allowThrows())                                                                                   \
      try {                                                                                                                    \
        static_cast<void>(expr);                                                                                               \
        catchAssertionHandler.handleUnexpectedExceptionNotThrown();                                                            \
      } catch (exceptionType const &) {                                                                                        \
        catchAssertionHandler.handleExceptionThrownAsExpected();                                                               \
      } catch (...) {                                                                                                          \
        catchAssertionHandler.handleUnexpectedInflightException();                                                             \
      }                                                                                                                        \
    else                                                                                                                       \
      catchAssertionHandler.handleThrowingCallSkipped();                                                                       \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                                                                \
  } while (false)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_MSG(macroName, messageType, resultDisposition, ...)                                                               \
  do {                                                                                                                                   \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::StringRef(), resultDisposition); \
    catchAssertionHandler.handleMessage(messageType,                                                                                     \
                                        (Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop()).m_stream.str());              \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                                                                          \
  } while (false)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_CAPTURE(varName, macroName, ...)                                                     \
  auto varName = Catch::Capturer(macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info, #__VA_ARGS__); \
  varName.captureValues(0, __VA_ARGS__)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_INFO(macroName, log)                       \
  Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME(scopedMessage)( \
      Catch::MessageBuilder(macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info) << log);

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_UNSCOPED_INFO(macroName, log) \
  Catch::getResultCapture().emplaceUnscopedMessage(  \
      Catch::MessageBuilder(macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info) << log)

///////////////////////////////////////////////////////////////////////////////
// Although this is matcher-based, it can be used with just a string
#define INTERNAL_CATCH_THROWS_STR_MATCHES(macroName, resultDisposition, matcher, ...)                                           \
  do {                                                                                                                          \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr,                                                         \
                                                  CATCH_INTERNAL_LINEINFO,                                                      \
                                                  CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(matcher), \
                                                  resultDisposition);                                                           \
    if (catchAssertionHandler.allowThrows())                                                                                    \
      try {                                                                                                                     \
        static_cast<void>(__VA_ARGS__);                                                                                         \
        catchAssertionHandler.handleUnexpectedExceptionNotThrown();                                                             \
      } catch (...) {                                                                                                           \
        Catch::handleExceptionMatchExpr(catchAssertionHandler, matcher, #matcher##_catch_sr);                                   \
      }                                                                                                                         \
    else                                                                                                                        \
      catchAssertionHandler.handleThrowingCallSkipped();                                                                        \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                                                                 \
  } while (false)

#endif // CATCH_CONFIG_DISABLE

// end catch_capture.hpp
// start catch_section.h

// start catch_section_info.h

// start catch_totals.h

#include <cstddef>

namespace Catch {
  struct Counts {
    Counts operator-(Counts const &other) const;
    Counts &operator+=(Counts const &other);

    std::size_t total() const;
    bool allPassed() const;
    bool allOk() const;

    std::size_t passed = 0;
    std::size_t failed = 0;
    std::size_t failedButOk = 0;
  };

  struct Totals {
    Totals operator-(Totals const &other) const;
    Totals &operator+=(Totals const &other);

    Totals delta(Totals const &prevTotals) const;

    int error = 0;
    Counts assertions;
    Counts testCases;
  };
} // namespace Catch

// end catch_totals.h
#include <string>

namespace Catch {
  struct SectionInfo {
    SectionInfo(SourceLineInfo const &_lineInfo, std::string const &_name);

    // Deprecated
    SectionInfo(SourceLineInfo const &_lineInfo, std::string const &_name, std::string const &)
        : SectionInfo(_lineInfo, _name) {
    }

    std::string name;
    std::string description; // !Deprecated: this will always be empty
    SourceLineInfo lineInfo;
  };

  struct SectionEndInfo {
    SectionInfo sectionInfo;
    Counts prevAssertions;
    double durationInSeconds;
  };

} // end namespace Catch

// end catch_section_info.h
// start catch_timer.h

#include <cstdint>

namespace Catch {
  auto getCurrentNanosecondsSinceEpoch() -> uint64_t;
  auto getEstimatedClockResolution() -> uint64_t;

  class Timer {
    uint64_t m_nanoseconds = 0;

  public:
    void start();
    auto getElapsedNanoseconds() const -> uint64_t;
    auto getElapsedMicroseconds() const -> uint64_t;
    auto getElapsedMilliseconds() const -> unsigned int;
    auto getElapsedSeconds() const -> double;
  };

} // namespace Catch

// end catch_timer.h
#include <string>

namespace Catch {
  class Section : NonCopyable {
  public:
    Section(SectionInfo const &info);
    ~Section();

    // This indicates whether the section should be executed or not
    explicit operator bool() const;

  private:
    SectionInfo m_info;

    std::string m_name;
    Counts m_assertions;
    bool m_sectionIncluded;
    Timer m_timer;
  };

} // end namespace Catch

#define INTERNAL_CATCH_SECTION(...)                                            \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                    \
  CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS                                      \
  if (Catch::Section const &INTERNAL_CATCH_UNIQUE_NAME(catch_internal_Section) \
      = Catch::SectionInfo(CATCH_INTERNAL_LINEINFO, __VA_ARGS__))              \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION

#define INTERNAL_CATCH_DYNAMIC_SECTION(...)                                                                \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                \
  CATCH_INTERNAL_SUPPRESS_UNUSED_WARNINGS                                                                  \
  if (Catch::Section const &INTERNAL_CATCH_UNIQUE_NAME(catch_internal_Section)                             \
      = Catch::SectionInfo(CATCH_INTERNAL_LINEINFO, (Catch::ReusableStringStream() << __VA_ARGS__).str())) \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION

// end catch_section.h
// start catch_interfaces_exception.h

// start catch_interfaces_registry_hub.h

#include <memory>
#include <string>

namespace Catch {
  class TestCase;
  struct ITestCaseRegistry;
  struct IExceptionTranslatorRegistry;
  struct IExceptionTranslator;
  struct IReporterRegistry;
  struct IReporterFactory;
  struct ITagAliasRegistry;
  struct IMutableEnumValuesRegistry;

  class StartupExceptionRegistry;

  using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;

  struct IRegistryHub {
    virtual ~IRegistryHub();

    virtual IReporterRegistry const &getReporterRegistry() const = 0;
    virtual ITestCaseRegistry const &getTestCaseRegistry() const = 0;
    virtual ITagAliasRegistry const &getTagAliasRegistry() const = 0;
    virtual IExceptionTranslatorRegistry const &getExceptionTranslatorRegistry() const = 0;

    virtual StartupExceptionRegistry const &getStartupExceptionRegistry() const = 0;
  };

  struct IMutableRegistryHub {
    virtual ~IMutableRegistryHub();
    virtual void registerReporter(std::string const &name, IReporterFactoryPtr const &factory) = 0;
    virtual void registerListener(IReporterFactoryPtr const &factory) = 0;
    virtual void registerTest(TestCase const &testInfo) = 0;
    virtual void registerTranslator(const IExceptionTranslator *translator) = 0;
    virtual void registerTagAlias(std::string const &alias, std::string const &tag, SourceLineInfo const &lineInfo) = 0;
    virtual void registerStartupException() noexcept = 0;
    virtual IMutableEnumValuesRegistry &getMutableEnumValuesRegistry() = 0;
  };

  IRegistryHub const &getRegistryHub();
  IMutableRegistryHub &getMutableRegistryHub();
  void cleanUp();
  std::string translateActiveException();

} // namespace Catch

// end catch_interfaces_registry_hub.h
#if defined(CATCH_CONFIG_DISABLE)
#define INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG(translatorName, signature) static std::string translatorName(signature)
#endif

#include <exception>
#include <string>
#include <vector>

namespace Catch {
  using exceptionTranslateFunction = std::string (*)();

  struct IExceptionTranslator;
  using ExceptionTranslators = std::vector<std::unique_ptr<IExceptionTranslator const>>;

  struct IExceptionTranslator {
    virtual ~IExceptionTranslator();
    virtual std::string translate(ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd) const = 0;
  };

  struct IExceptionTranslatorRegistry {
    virtual ~IExceptionTranslatorRegistry();

    virtual std::string translateActiveException() const = 0;
  };

  class ExceptionTranslatorRegistrar {
    template<typename T>
    class ExceptionTranslator : public IExceptionTranslator {
    public:
      ExceptionTranslator(std::string (*translateFunction)(T &))
          : m_translateFunction(translateFunction) {
      }

      std::string translate(ExceptionTranslators::const_iterator it, ExceptionTranslators::const_iterator itEnd) const override {
#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
        return "";
#else
        try {
          if (it == itEnd)
            std::rethrow_exception(std::current_exception());
          else
            return (*it)->translate(it + 1, itEnd);
        } catch (T &ex) {
          return m_translateFunction(ex);
        }
#endif
      }

    protected:
      std::string (*m_translateFunction)(T &);
    };

  public:
    template<typename T>
    ExceptionTranslatorRegistrar(std::string (*translateFunction)(T &)) {
      getMutableRegistryHub().registerTranslator(new ExceptionTranslator<T>(translateFunction));
    }
  };
} // namespace Catch

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TRANSLATE_EXCEPTION2(translatorName, signature)                                                  \
  static std::string translatorName(signature);                                                                         \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                                             \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                                              \
  namespace {                                                                                                           \
    Catch::ExceptionTranslatorRegistrar INTERNAL_CATCH_UNIQUE_NAME(catch_internal_ExceptionRegistrar)(&translatorName); \
  }                                                                                                                     \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION                                                                              \
  static std::string translatorName(signature)

#define INTERNAL_CATCH_TRANSLATE_EXCEPTION(signature) \
  INTERNAL_CATCH_TRANSLATE_EXCEPTION2(INTERNAL_CATCH_UNIQUE_NAME(catch_internal_ExceptionTranslator), signature)

// end catch_interfaces_exception.h
// start catch_approx.h

#include <type_traits>

namespace Catch {
  namespace Detail {
    class Approx {
    private:
      bool equalityComparisonImpl(double other) const;
      // Validates the new margin (margin >= 0)
      // out-of-line to avoid including stdexcept in the header
      void setMargin(double margin);
      // Validates the new epsilon (0 < epsilon < 1)
      // out-of-line to avoid including stdexcept in the header
      void setEpsilon(double epsilon);

    public:
      explicit Approx(double value);

      static Approx custom();

      Approx operator-() const;

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      Approx operator()(T const &value) {
        Approx approx(static_cast<double>(value));
        approx.m_epsilon = m_epsilon;
        approx.m_margin = m_margin;
        approx.m_scale = m_scale;
        return approx;
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      explicit Approx(T const &value)
          : Approx(static_cast<double>(value)) {
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator==(const T &lhs, Approx const &rhs) {
        auto lhs_v = static_cast<double>(lhs);
        return rhs.equalityComparisonImpl(lhs_v);
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator==(Approx const &lhs, const T &rhs) {
        return operator==(rhs, lhs);
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator!=(T const &lhs, Approx const &rhs) {
        return !operator==(lhs, rhs);
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator!=(Approx const &lhs, T const &rhs) {
        return !operator==(rhs, lhs);
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator<=(T const &lhs, Approx const &rhs) {
        return static_cast<double>(lhs) < rhs.m_value || lhs == rhs;
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator<=(Approx const &lhs, T const &rhs) {
        return lhs.m_value < static_cast<double>(rhs) || lhs == rhs;
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator>=(T const &lhs, Approx const &rhs) {
        return static_cast<double>(lhs) > rhs.m_value || lhs == rhs;
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      friend bool operator>=(Approx const &lhs, T const &rhs) {
        return lhs.m_value > static_cast<double>(rhs) || lhs == rhs;
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      Approx &epsilon(T const &newEpsilon) {
        double epsilonAsDouble = static_cast<double>(newEpsilon);
        setEpsilon(epsilonAsDouble);
        return *this;
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      Approx &margin(T const &newMargin) {
        double marginAsDouble = static_cast<double>(newMargin);
        setMargin(marginAsDouble);
        return *this;
      }

      template<typename T, typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
      Approx &scale(T const &newScale) {
        m_scale = static_cast<double>(newScale);
        return *this;
      }

      std::string toString() const;

    private:
      double m_epsilon;
      double m_margin;
      double m_scale;
      double m_value;
    };
  } // end namespace Detail

  namespace literals {
    Detail::Approx operator"" _a(long double val);
    Detail::Approx operator"" _a(unsigned long long val);
  } // end namespace literals

  template<>
  struct StringMaker<Catch::Detail::Approx> {
    static std::string convert(Catch::Detail::Approx const &value);
  };

} // end namespace Catch

// end catch_approx.h
// start catch_string_manip.h

#include <iosfwd>
#include <string>
#include <vector>

namespace Catch {
  bool startsWith(std::string const &s, std::string const &prefix);
  bool startsWith(std::string const &s, char prefix);
  bool endsWith(std::string const &s, std::string const &suffix);
  bool endsWith(std::string const &s, char suffix);
  bool contains(std::string const &s, std::string const &infix);
  void toLowerInPlace(std::string &s);
  std::string toLower(std::string const &s);
  //! Returns a new string without whitespace at the start/end
  std::string trim(std::string const &str);
  //! Returns a substring of the original ref without whitespace. Beware lifetimes!
  StringRef trim(StringRef ref);

  // !!! Be aware, returns refs into original string - make sure original string outlives them
  std::vector<StringRef> splitStringRef(StringRef str, char delimiter);
  bool replaceInPlace(std::string &str, std::string const &replaceThis, std::string const &withThis);

  struct pluralise {
    pluralise(std::size_t count, std::string const &label);

    friend std::ostream &operator<<(std::ostream &os, pluralise const &pluraliser);

    std::size_t m_count;
    std::string m_label;
  };
} // namespace Catch

// end catch_string_manip.h
#ifndef CATCH_CONFIG_DISABLE_MATCHERS
// start catch_capture_matchers.h

// start catch_matchers.h

#include <string>
#include <vector>

namespace Catch {
  namespace Matchers {
    namespace Impl {
      template<typename ArgT>
      struct MatchAllOf;
      template<typename ArgT>
      struct MatchAnyOf;
      template<typename ArgT>
      struct MatchNotOf;

      class MatcherUntypedBase {
      public:
        MatcherUntypedBase() = default;
        MatcherUntypedBase(MatcherUntypedBase const &) = default;
        MatcherUntypedBase &operator=(MatcherUntypedBase const &) = delete;
        std::string toString() const;

      protected:
        virtual ~MatcherUntypedBase();
        virtual std::string describe() const = 0;
        mutable std::string m_cachedToString;
      };

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#endif

      template<typename ObjectT>
      struct MatcherMethod {
        virtual bool match(ObjectT const &arg) const = 0;
      };

#if defined(__OBJC__)
      // Hack to fix Catch GH issue #1661. Could use id for generic Object support.
      // use of const for Object pointers is very uncommon and under ARC it causes some kind of signature mismatch that breaks compilation
      template<>
      struct MatcherMethod<NSString *> {
        virtual bool match(NSString *arg) const = 0;
      };
#endif

#ifdef __clang__
#pragma clang diagnostic pop
#endif

      template<typename T>
      struct MatcherBase : MatcherUntypedBase, MatcherMethod<T> {
        MatchAllOf<T> operator&&(MatcherBase const &other) const;
        MatchAnyOf<T> operator||(MatcherBase const &other) const;
        MatchNotOf<T> operator!() const;
      };

      template<typename ArgT>
      struct MatchAllOf : MatcherBase<ArgT> {
        bool match(ArgT const &arg) const override {
          for (auto matcher : m_matchers) {
            if (!matcher->match(arg))
              return false;
          }
          return true;
        }
        std::string describe() const override {
          std::string description;
          description.reserve(4 + m_matchers.size() * 32);
          description += "( ";
          bool first = true;
          for (auto matcher : m_matchers) {
            if (first)
              first = false;
            else
              description += " and ";
            description += matcher->toString();
          }
          description += " )";
          return description;
        }

        MatchAllOf<ArgT> operator&&(MatcherBase<ArgT> const &other) {
          auto copy(*this);
          copy.m_matchers.push_back(&other);
          return copy;
        }

        std::vector<MatcherBase<ArgT> const *> m_matchers;
      };
      template<typename ArgT>
      struct MatchAnyOf : MatcherBase<ArgT> {
        bool match(ArgT const &arg) const override {
          for (auto matcher : m_matchers) {
            if (matcher->match(arg))
              return true;
          }
          return false;
        }
        std::string describe() const override {
          std::string description;
          description.reserve(4 + m_matchers.size() * 32);
          description += "( ";
          bool first = true;
          for (auto matcher : m_matchers) {
            if (first)
              first = false;
            else
              description += " or ";
            description += matcher->toString();
          }
          description += " )";
          return description;
        }

        MatchAnyOf<ArgT> operator||(MatcherBase<ArgT> const &other) {
          auto copy(*this);
          copy.m_matchers.push_back(&other);
          return copy;
        }

        std::vector<MatcherBase<ArgT> const *> m_matchers;
      };

      template<typename ArgT>
      struct MatchNotOf : MatcherBase<ArgT> {
        MatchNotOf(MatcherBase<ArgT> const &underlyingMatcher)
            : m_underlyingMatcher(underlyingMatcher) {
        }

        bool match(ArgT const &arg) const override { return !m_underlyingMatcher.match(arg); }

        std::string describe() const override { return "not " + m_underlyingMatcher.toString(); }
        MatcherBase<ArgT> const &m_underlyingMatcher;
      };

      template<typename T>
      MatchAllOf<T> MatcherBase<T>::operator&&(MatcherBase const &other) const {
        return MatchAllOf<T>() && *this && other;
      }
      template<typename T>
      MatchAnyOf<T> MatcherBase<T>::operator||(MatcherBase const &other) const {
        return MatchAnyOf<T>() || *this || other;
      }
      template<typename T>
      MatchNotOf<T> MatcherBase<T>::operator!() const {
        return MatchNotOf<T>(*this);
      }

    } // namespace Impl
  } // namespace Matchers

  using namespace Matchers;
  using Matchers::Impl::MatcherBase;

} // namespace Catch

// end catch_matchers.h
// start catch_matchers_exception.hpp

namespace Catch {
  namespace Matchers {
    namespace Exception {
      class ExceptionMessageMatcher : public MatcherBase<std::exception> {
        std::string m_message;

      public:
        ExceptionMessageMatcher(std::string const &message)
            : m_message(message) {
        }

        bool match(std::exception const &ex) const override;

        std::string describe() const override;
      };

    } // namespace Exception

    Exception::ExceptionMessageMatcher Message(std::string const &message);

  } // namespace Matchers
} // namespace Catch

// end catch_matchers_exception.hpp
// start catch_matchers_floating.h

namespace Catch {
  namespace Matchers {
    namespace Floating {
      enum class FloatingPointKind : uint8_t;

      struct WithinAbsMatcher : MatcherBase<double> {
        WithinAbsMatcher(double target, double margin);
        bool match(double const &matchee) const override;
        std::string describe() const override;

      private:
        double m_target;
        double m_margin;
      };

      struct WithinUlpsMatcher : MatcherBase<double> {
        WithinUlpsMatcher(double target, uint64_t ulps, FloatingPointKind baseType);
        bool match(double const &matchee) const override;
        std::string describe() const override;

      private:
        double m_target;
        uint64_t m_ulps;
        FloatingPointKind m_type;
      };

      // Given IEEE-754 format for floats and doubles, we can assume
      // that float -> double promotion is lossless. Given this, we can
      // assume that if we do the standard relative comparison of
      // |lhs - rhs| <= epsilon * max(fabs(lhs), fabs(rhs)), then we get
      // the same result if we do this for floats, as if we do this for
      // doubles that were promoted from floats.
      struct WithinRelMatcher : MatcherBase<double> {
        WithinRelMatcher(double target, double epsilon);
        bool match(double const &matchee) const override;
        std::string describe() const override;

      private:
        double m_target;
        double m_epsilon;
      };

    } // namespace Floating

    // The following functions create the actual matcher objects.
    // This allows the types to be inferred
    Floating::WithinUlpsMatcher WithinULP(double target, uint64_t maxUlpDiff);
    Floating::WithinUlpsMatcher WithinULP(float target, uint64_t maxUlpDiff);
    Floating::WithinAbsMatcher WithinAbs(double target, double margin);
    Floating::WithinRelMatcher WithinRel(double target, double eps);
    // defaults epsilon to 100*numeric_limits<double>::epsilon()
    Floating::WithinRelMatcher WithinRel(double target);
    Floating::WithinRelMatcher WithinRel(float target, float eps);
    // defaults epsilon to 100*numeric_limits<float>::epsilon()
    Floating::WithinRelMatcher WithinRel(float target);

  } // namespace Matchers
} // namespace Catch

// end catch_matchers_floating.h
// start catch_matchers_generic.hpp

#include <functional>
#include <string>

namespace Catch {
  namespace Matchers {
    namespace Generic {
      namespace Detail {
        std::string finalizeDescription(const std::string &desc);
      }

      template<typename T>
      class PredicateMatcher : public MatcherBase<T> {
        std::function<bool(T const &)> m_predicate;
        std::string m_description;

      public:
        PredicateMatcher(std::function<bool(T const &)> const &elem, std::string const &descr)
            : m_predicate(std::move(elem))
            , m_description(Detail::finalizeDescription(descr)) {
        }

        bool match(T const &item) const override { return m_predicate(item); }

        std::string describe() const override { return m_description; }
      };

    } // namespace Generic

    // The following functions create the actual matcher objects.
    // The user has to explicitly specify type to the function, because
    // inferring std::function<bool(T const&)> is hard (but possible) and
    // requires a lot of TMP.
    template<typename T>
    Generic::PredicateMatcher<T> Predicate(std::function<bool(T const &)> const &predicate, std::string const &description = "") {
      return Generic::PredicateMatcher<T>(predicate, description);
    }

  } // namespace Matchers
} // namespace Catch

// end catch_matchers_generic.hpp
// start catch_matchers_string.h

#include <string>

namespace Catch {
  namespace Matchers {
    namespace StdString {
      struct CasedString {
        CasedString(std::string const &str, CaseSensitive::Choice caseSensitivity);
        std::string adjustString(std::string const &str) const;
        std::string caseSensitivitySuffix() const;

        CaseSensitive::Choice m_caseSensitivity;
        std::string m_str;
      };

      struct StringMatcherBase : MatcherBase<std::string> {
        StringMatcherBase(std::string const &operation, CasedString const &comparator);
        std::string describe() const override;

        CasedString m_comparator;
        std::string m_operation;
      };

      struct EqualsMatcher : StringMatcherBase {
        EqualsMatcher(CasedString const &comparator);
        bool match(std::string const &source) const override;
      };
      struct ContainsMatcher : StringMatcherBase {
        ContainsMatcher(CasedString const &comparator);
        bool match(std::string const &source) const override;
      };
      struct StartsWithMatcher : StringMatcherBase {
        StartsWithMatcher(CasedString const &comparator);
        bool match(std::string const &source) const override;
      };
      struct EndsWithMatcher : StringMatcherBase {
        EndsWithMatcher(CasedString const &comparator);
        bool match(std::string const &source) const override;
      };

      struct RegexMatcher : MatcherBase<std::string> {
        RegexMatcher(std::string regex, CaseSensitive::Choice caseSensitivity);
        bool match(std::string const &matchee) const override;
        std::string describe() const override;

      private:
        std::string m_regex;
        CaseSensitive::Choice m_caseSensitivity;
      };

    } // namespace StdString

    // The following functions create the actual matcher objects.
    // This allows the types to be inferred

    StdString::EqualsMatcher Equals(std::string const &str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
    StdString::ContainsMatcher Contains(std::string const &str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
    StdString::EndsWithMatcher EndsWith(std::string const &str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
    StdString::StartsWithMatcher StartsWith(std::string const &str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);
    StdString::RegexMatcher Matches(std::string const &regex, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes);

  } // namespace Matchers
} // namespace Catch

// end catch_matchers_string.h
// start catch_matchers_vector.h

#include <algorithm>

namespace Catch {
  namespace Matchers {
    namespace Vector {
      template<typename T, typename Alloc>
      struct ContainsElementMatcher : MatcherBase<std::vector<T, Alloc>> {
        ContainsElementMatcher(T const &comparator)
            : m_comparator(comparator) {
        }

        bool match(std::vector<T, Alloc> const &v) const override {
          for (auto const &el : v) {
            if (el == m_comparator) {
              return true;
            }
          }
          return false;
        }

        std::string describe() const override { return "Contains: " + ::Catch::Detail::stringify(m_comparator); }

        T const &m_comparator;
      };

      template<typename T, typename AllocComp, typename AllocMatch>
      struct ContainsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
        ContainsMatcher(std::vector<T, AllocComp> const &comparator)
            : m_comparator(comparator) {
        }

        bool match(std::vector<T, AllocMatch> const &v) const override {
          // !TBD: see note in EqualsMatcher
          if (m_comparator.size() > v.size())
            return false;
          for (auto const &comparator : m_comparator) {
            auto present = false;
            for (const auto &el : v) {
              if (el == comparator) {
                present = true;
                break;
              }
            }
            if (!present) {
              return false;
            }
          }
          return true;
        }
        std::string describe() const override { return "Contains: " + ::Catch::Detail::stringify(m_comparator); }

        std::vector<T, AllocComp> const &m_comparator;
      };

      template<typename T, typename AllocComp, typename AllocMatch>
      struct EqualsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
        EqualsMatcher(std::vector<T, AllocComp> const &comparator)
            : m_comparator(comparator) {
        }

        bool match(std::vector<T, AllocMatch> const &v) const override {
          // !TBD: This currently works if all elements can be compared using !=
          // - a more general approach would be via a compare template that defaults
          // to using !=. but could be specialised for, e.g. std::vector<T, Alloc> etc
          // - then just call that directly
          if (m_comparator.size() != v.size())
            return false;
          for (std::size_t i = 0; i < v.size(); ++i)
            if (m_comparator[i] != v[i])
              return false;
          return true;
        }
        std::string describe() const override { return "Equals: " + ::Catch::Detail::stringify(m_comparator); }
        std::vector<T, AllocComp> const &m_comparator;
      };

      template<typename T, typename AllocComp, typename AllocMatch>
      struct ApproxMatcher : MatcherBase<std::vector<T, AllocMatch>> {
        ApproxMatcher(std::vector<T, AllocComp> const &comparator)
            : m_comparator(comparator) {
        }

        bool match(std::vector<T, AllocMatch> const &v) const override {
          if (m_comparator.size() != v.size())
            return false;
          for (std::size_t i = 0; i < v.size(); ++i)
            if (m_comparator[i] != approx(v[i]))
              return false;
          return true;
        }
        std::string describe() const override { return "is approx: " + ::Catch::Detail::stringify(m_comparator); }
        template<typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
        ApproxMatcher &epsilon(T const &newEpsilon) {
          approx.epsilon(newEpsilon);
          return *this;
        }
        template<typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
        ApproxMatcher &margin(T const &newMargin) {
          approx.margin(newMargin);
          return *this;
        }
        template<typename = typename std::enable_if<std::is_constructible<double, T>::value>::type>
        ApproxMatcher &scale(T const &newScale) {
          approx.scale(newScale);
          return *this;
        }

        std::vector<T, AllocComp> const &m_comparator;
        mutable Catch::Detail::Approx approx = Catch::Detail::Approx::custom();
      };

      template<typename T, typename AllocComp, typename AllocMatch>
      struct UnorderedEqualsMatcher : MatcherBase<std::vector<T, AllocMatch>> {
        UnorderedEqualsMatcher(std::vector<T, AllocComp> const &target)
            : m_target(target) {
        }
        bool match(std::vector<T, AllocMatch> const &vec) const override {
          if (m_target.size() != vec.size()) {
            return false;
          }
          return std::is_permutation(m_target.begin(), m_target.end(), vec.begin());
        }

        std::string describe() const override { return "UnorderedEquals: " + ::Catch::Detail::stringify(m_target); }

      private:
        std::vector<T, AllocComp> const &m_target;
      };

    } // namespace Vector

    // The following functions create the actual matcher objects.
    // This allows the types to be inferred

    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
    Vector::ContainsMatcher<T, AllocComp, AllocMatch> Contains(std::vector<T, AllocComp> const &comparator) {
      return Vector::ContainsMatcher<T, AllocComp, AllocMatch>(comparator);
    }

    template<typename T, typename Alloc = std::allocator<T>>
    Vector::ContainsElementMatcher<T, Alloc> VectorContains(T const &comparator) {
      return Vector::ContainsElementMatcher<T, Alloc>(comparator);
    }

    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
    Vector::EqualsMatcher<T, AllocComp, AllocMatch> Equals(std::vector<T, AllocComp> const &comparator) {
      return Vector::EqualsMatcher<T, AllocComp, AllocMatch>(comparator);
    }

    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
    Vector::ApproxMatcher<T, AllocComp, AllocMatch> Approx(std::vector<T, AllocComp> const &comparator) {
      return Vector::ApproxMatcher<T, AllocComp, AllocMatch>(comparator);
    }

    template<typename T, typename AllocComp = std::allocator<T>, typename AllocMatch = AllocComp>
    Vector::UnorderedEqualsMatcher<T, AllocComp, AllocMatch> UnorderedEquals(std::vector<T, AllocComp> const &target) {
      return Vector::UnorderedEqualsMatcher<T, AllocComp, AllocMatch>(target);
    }

  } // namespace Matchers
} // namespace Catch

// end catch_matchers_vector.h
namespace Catch {
  template<typename ArgT, typename MatcherT>
  class MatchExpr : public ITransientExpression {
    ArgT const &m_arg;
    MatcherT m_matcher;
    StringRef m_matcherString;

  public:
    MatchExpr(ArgT const &arg, MatcherT const &matcher, StringRef const &matcherString)
        : ITransientExpression{true, matcher.match(arg)}
        , m_arg(arg)
        , m_matcher(matcher)
        , m_matcherString(matcherString) {
    }

    void streamReconstructedExpression(std::ostream &os) const override {
      auto matcherAsString = m_matcher.toString();
      os << Catch::Detail::stringify(m_arg) << ' ';
      if (matcherAsString == Detail::unprintableString)
        os << m_matcherString;
      else
        os << matcherAsString;
    }
  };

  using StringMatcher = Matchers::Impl::MatcherBase<std::string>;

  void handleExceptionMatchExpr(AssertionHandler &handler, StringMatcher const &matcher, StringRef const &matcherString);

  template<typename ArgT, typename MatcherT>
  auto makeMatchExpr(ArgT const &arg, MatcherT const &matcher, StringRef const &matcherString) -> MatchExpr<ArgT, MatcherT> {
    return MatchExpr<ArgT, MatcherT>(arg, matcher, matcherString);
  }

} // namespace Catch

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CHECK_THAT(macroName, matcher, resultDisposition, arg)                                                 \
  do {                                                                                                                  \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr,                                                 \
                                                  CATCH_INTERNAL_LINEINFO,                                              \
                                                  CATCH_INTERNAL_STRINGIFY(arg) ", " CATCH_INTERNAL_STRINGIFY(matcher), \
                                                  resultDisposition);                                                   \
    INTERNAL_CATCH_TRY { catchAssertionHandler.handleExpr(Catch::makeMatchExpr(arg, matcher, #matcher##_catch_sr)); }   \
    INTERNAL_CATCH_CATCH(catchAssertionHandler)                                                                         \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                                                         \
  } while (false)

///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_MATCHES(macroName, exceptionType, resultDisposition, matcher, ...)                       \
  do {                                                                                                                 \
    Catch::AssertionHandler catchAssertionHandler(macroName##_catch_sr,                                                \
                                                  CATCH_INTERNAL_LINEINFO,                                             \
                                                  CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY( \
                                                      exceptionType) ", " CATCH_INTERNAL_STRINGIFY(matcher),           \
                                                  resultDisposition);                                                  \
    if (catchAssertionHandler.allowThrows())                                                                           \
      try {                                                                                                            \
        static_cast<void>(__VA_ARGS__);                                                                                \
        catchAssertionHandler.handleUnexpectedExceptionNotThrown();                                                    \
      } catch (exceptionType const &ex) {                                                                              \
        catchAssertionHandler.handleExpr(Catch::makeMatchExpr(ex, matcher, #matcher##_catch_sr));                      \
      } catch (...) {                                                                                                  \
        catchAssertionHandler.handleUnexpectedInflightException();                                                     \
      }                                                                                                                \
    else                                                                                                               \
      catchAssertionHandler.handleThrowingCallSkipped();                                                               \
    INTERNAL_CATCH_REACT(catchAssertionHandler)                                                                        \
  } while (false)

// end catch_capture_matchers.h
#endif
// start catch_generators.hpp

// start catch_interfaces_generatortracker.h

#include <memory>

namespace Catch {
  namespace Generators {
    class GeneratorUntypedBase {
    public:
      GeneratorUntypedBase() = default;
      virtual ~GeneratorUntypedBase();
      // Attempts to move the generator to the next element
      //
      // Returns true iff the move succeeded (and a valid element
      // can be retrieved).
      virtual bool next() = 0;
    };
    using GeneratorBasePtr = std::unique_ptr<GeneratorUntypedBase>;

  } // namespace Generators

  struct IGeneratorTracker {
    virtual ~IGeneratorTracker();
    virtual auto hasGenerator() const -> bool = 0;
    virtual auto getGenerator() const -> Generators::GeneratorBasePtr const & = 0;
    virtual void setGenerator(Generators::GeneratorBasePtr &&generator) = 0;
  };

} // namespace Catch

// end catch_interfaces_generatortracker.h
// start catch_enforce.h

#include <exception>

namespace Catch {
#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
  template<typename Ex>
  [[noreturn]] void throw_exception(Ex const &e) {
    throw e;
  }
#else // ^^ Exceptions are enabled //  Exceptions are disabled vv
  [[noreturn]] void throw_exception(std::exception const &e);
#endif

  [[noreturn]] void throw_logic_error(std::string const &msg);
  [[noreturn]] void throw_domain_error(std::string const &msg);
  [[noreturn]] void throw_runtime_error(std::string const &msg);

} // namespace Catch

#define CATCH_MAKE_MSG(...) (Catch::ReusableStringStream() << __VA_ARGS__).str()

#define CATCH_INTERNAL_ERROR(...) \
  Catch::throw_logic_error(CATCH_MAKE_MSG(CATCH_INTERNAL_LINEINFO << ": Internal Catch2 error: " << __VA_ARGS__))

#define CATCH_ERROR(...) Catch::throw_domain_error(CATCH_MAKE_MSG(__VA_ARGS__))

#define CATCH_RUNTIME_ERROR(...) Catch::throw_runtime_error(CATCH_MAKE_MSG(__VA_ARGS__))

#define CATCH_ENFORCE(condition, ...) \
  do {                                \
    if (!(condition))                 \
      CATCH_ERROR(__VA_ARGS__);       \
  } while (false)

// end catch_enforce.h
#include <cassert>
#include <memory>
#include <vector>

#include <exception>
#include <utility>

namespace Catch {
  class GeneratorException : public std::exception {
    const char *const m_msg = "";

  public:
    GeneratorException(const char *msg)
        : m_msg(msg) {
    }

    const char *what() const noexcept override final;
  };

  namespace Generators {
    // !TBD move this into its own location?
    namespace pf {
      template<typename T, typename... Args>
      std::unique_ptr<T> make_unique(Args &&...args) {
        return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
      }
    } // namespace pf

    template<typename T>
    struct IGenerator : GeneratorUntypedBase {
      virtual ~IGenerator() = default;

      // Returns the current element of the generator
      //
      // \Precondition The generator is either freshly constructed,
      // or the last call to `next()` returned true
      virtual T const &get() const = 0;
      using type = T;
    };

    template<typename T>
    class SingleValueGenerator final : public IGenerator<T> {
      T m_value;

    public:
      SingleValueGenerator(T &&value)
          : m_value(std::move(value)) {
      }

      T const &get() const override { return m_value; }
      bool next() override { return false; }
    };

    template<typename T>
    class FixedValuesGenerator final : public IGenerator<T> {
      static_assert(!std::is_same<T, bool>::value,
                    "FixedValuesGenerator does not support bools because of std::vector<bool>"
                    "specialization, use SingleValue Generator instead.");
      std::vector<T> m_values;
      size_t m_idx = 0;

    public:
      FixedValuesGenerator(std::initializer_list<T> values)
          : m_values(values) {
      }

      T const &get() const override { return m_values[m_idx]; }
      bool next() override {
        ++m_idx;
        return m_idx < m_values.size();
      }
    };

    template<typename T>
    class GeneratorWrapper final {
      std::unique_ptr<IGenerator<T>> m_generator;

    public:
      GeneratorWrapper(std::unique_ptr<IGenerator<T>> generator)
          : m_generator(std::move(generator)) {
      }
      T const &get() const { return m_generator->get(); }
      bool next() { return m_generator->next(); }
    };

    template<typename T>
    GeneratorWrapper<T> value(T &&value) {
      return GeneratorWrapper<T>(pf::make_unique<SingleValueGenerator<T>>(std::forward<T>(value)));
    }
    template<typename T>
    GeneratorWrapper<T> values(std::initializer_list<T> values) {
      return GeneratorWrapper<T>(pf::make_unique<FixedValuesGenerator<T>>(values));
    }

    template<typename T>
    class Generators : public IGenerator<T> {
      std::vector<GeneratorWrapper<T>> m_generators;
      size_t m_current = 0;

      void populate(GeneratorWrapper<T> &&generator) { m_generators.emplace_back(std::move(generator)); }
      void populate(T &&val) { m_generators.emplace_back(value(std::forward<T>(val))); }
      template<typename U>
      void populate(U &&val) {
        populate(T(std::forward<U>(val)));
      }
      template<typename U, typename... Gs>
      void populate(U &&valueOrGenerator, Gs &&...moreGenerators) {
        populate(std::forward<U>(valueOrGenerator));
        populate(std::forward<Gs>(moreGenerators)...);
      }

    public:
      template<typename... Gs>
      Generators(Gs &&...moreGenerators) {
        m_generators.reserve(sizeof...(Gs));
        populate(std::forward<Gs>(moreGenerators)...);
      }

      T const &get() const override { return m_generators[m_current].get(); }

      bool next() override {
        if (m_current >= m_generators.size()) {
          return false;
        }
        const bool current_status = m_generators[m_current].next();
        if (!current_status) {
          ++m_current;
        }
        return m_current < m_generators.size();
      }
    };

    template<typename... Ts>
    GeneratorWrapper<std::tuple<Ts...>> table(std::initializer_list<std::tuple<typename std::decay<Ts>::type...>> tuples) {
      return values<std::tuple<Ts...>>(tuples);
    }

    // Tag type to signal that a generator sequence should convert arguments to a specific type
    template<typename T>
    struct as {
    };

    template<typename T, typename... Gs>
    auto makeGenerators(GeneratorWrapper<T> &&generator, Gs &&...moreGenerators) -> Generators<T> {
      return Generators<T>(std::move(generator), std::forward<Gs>(moreGenerators)...);
    }
    template<typename T>
    auto makeGenerators(GeneratorWrapper<T> &&generator) -> Generators<T> {
      return Generators<T>(std::move(generator));
    }
    template<typename T, typename... Gs>
    auto makeGenerators(T &&val, Gs &&...moreGenerators) -> Generators<T> {
      return makeGenerators(value(std::forward<T>(val)), std::forward<Gs>(moreGenerators)...);
    }
    template<typename T, typename U, typename... Gs>
    auto makeGenerators(as<T>, U &&val, Gs &&...moreGenerators) -> Generators<T> {
      return makeGenerators(value(T(std::forward<U>(val))), std::forward<Gs>(moreGenerators)...);
    }

    auto acquireGeneratorTracker(StringRef generatorName, SourceLineInfo const &lineInfo) -> IGeneratorTracker &;

    template<typename L>
    // Note: The type after -> is weird, because VS2015 cannot parse
    //       the expression used in the typedef inside, when it is in
    //       return type. Yeah.
    auto generate(StringRef generatorName, SourceLineInfo const &lineInfo, L const &generatorExpression)
        -> decltype(std::declval<decltype(generatorExpression())>().get()) {
      using UnderlyingType = typename decltype(generatorExpression())::type;

      IGeneratorTracker &tracker = acquireGeneratorTracker(generatorName, lineInfo);
      if (!tracker.hasGenerator()) {
        tracker.setGenerator(pf::make_unique<Generators<UnderlyingType>>(generatorExpression()));
      }

      auto const &generator = static_cast<IGenerator<UnderlyingType> const &>(*tracker.getGenerator());
      return generator.get();
    }

  } // namespace Generators
} // namespace Catch

#define GENERATE(...)                                                                                                        \
  Catch::Generators::generate(INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), CATCH_INTERNAL_LINEINFO, [] { \
    using namespace Catch::Generators;                                                                                       \
    return makeGenerators(__VA_ARGS__);                                                                                      \
  }) // NOLINT(google-build-using-namespace)
#define GENERATE_COPY(...)                                                                                                    \
  Catch::Generators::generate(INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), CATCH_INTERNAL_LINEINFO, [=] { \
    using namespace Catch::Generators;                                                                                        \
    return makeGenerators(__VA_ARGS__);                                                                                       \
  }) // NOLINT(google-build-using-namespace)
#define GENERATE_REF(...)                                                                                                     \
  Catch::Generators::generate(INTERNAL_CATCH_STRINGIZE(INTERNAL_CATCH_UNIQUE_NAME(generator)), CATCH_INTERNAL_LINEINFO, [&] { \
    using namespace Catch::Generators;                                                                                        \
    return makeGenerators(__VA_ARGS__);                                                                                       \
  }) // NOLINT(google-build-using-namespace)

// end catch_generators.hpp
// start catch_generators_generic.hpp

namespace Catch {
  namespace Generators {
    template<typename T>
    class TakeGenerator : public IGenerator<T> {
      GeneratorWrapper<T> m_generator;
      size_t m_returned = 0;
      size_t m_target;

    public:
      TakeGenerator(size_t target, GeneratorWrapper<T> &&generator)
          : m_generator(std::move(generator))
          , m_target(target) {
        assert(target != 0 && "Empty generators are not allowed");
      }
      T const &get() const override { return m_generator.get(); }
      bool next() override {
        ++m_returned;
        if (m_returned >= m_target) {
          return false;
        }

        const auto success = m_generator.next();
        // If the underlying generator does not contain enough values
        // then we cut short as well
        if (!success) {
          m_returned = m_target;
        }
        return success;
      }
    };

    template<typename T>
    GeneratorWrapper<T> take(size_t target, GeneratorWrapper<T> &&generator) {
      return GeneratorWrapper<T>(pf::make_unique<TakeGenerator<T>>(target, std::move(generator)));
    }

    template<typename T, typename Predicate>
    class FilterGenerator : public IGenerator<T> {
      GeneratorWrapper<T> m_generator;
      Predicate m_predicate;

    public:
      template<typename P = Predicate>
      FilterGenerator(P &&pred, GeneratorWrapper<T> &&generator)
          : m_generator(std::move(generator))
          , m_predicate(std::forward<P>(pred)) {
        if (!m_predicate(m_generator.get())) {
          // It might happen that there are no values that pass the
          // filter. In that case we throw an exception.
          auto has_initial_value = next();
          if (!has_initial_value) {
            Catch::throw_exception(GeneratorException("No valid value found in filtered generator"));
          }
        }
      }

      T const &get() const override { return m_generator.get(); }

      bool next() override {
        bool success = m_generator.next();
        if (!success) {
          return false;
        }
        while (!m_predicate(m_generator.get()) && (success = m_generator.next()) == true)
          ;
        return success;
      }
    };

    template<typename T, typename Predicate>
    GeneratorWrapper<T> filter(Predicate &&pred, GeneratorWrapper<T> &&generator) {
      return GeneratorWrapper<T>(
          std::unique_ptr<IGenerator<T>>(pf::make_unique<FilterGenerator<T, Predicate>>(std::forward<Predicate>(pred), std::move(generator))));
    }

    template<typename T>
    class RepeatGenerator : public IGenerator<T> {
      static_assert(!std::is_same<T, bool>::value,
                    "RepeatGenerator currently does not support bools"
                    "because of std::vector<bool> specialization");
      GeneratorWrapper<T> m_generator;
      mutable std::vector<T> m_returned;
      size_t m_target_repeats;
      size_t m_current_repeat = 0;
      size_t m_repeat_index = 0;

    public:
      RepeatGenerator(size_t repeats, GeneratorWrapper<T> &&generator)
          : m_generator(std::move(generator))
          , m_target_repeats(repeats) {
        assert(m_target_repeats > 0 && "Repeat generator must repeat at least once");
      }

      T const &get() const override {
        if (m_current_repeat == 0) {
          m_returned.push_back(m_generator.get());
          return m_returned.back();
        }
        return m_returned[m_repeat_index];
      }

      bool next() override {
        // There are 2 basic cases:
        // 1) We are still reading the generator
        // 2) We are reading our own cache

        // In the first case, we need to poke the underlying generator.
        // If it happily moves, we are left in that state, otherwise it is time to start reading from our cache
        if (m_current_repeat == 0) {
          const auto success = m_generator.next();
          if (!success) {
            ++m_current_repeat;
          }
          return m_current_repeat < m_target_repeats;
        }

        // In the second case, we need to move indices forward and check that we haven't run up against the end
        ++m_repeat_index;
        if (m_repeat_index == m_returned.size()) {
          m_repeat_index = 0;
          ++m_current_repeat;
        }
        return m_current_repeat < m_target_repeats;
      }
    };

    template<typename T>
    GeneratorWrapper<T> repeat(size_t repeats, GeneratorWrapper<T> &&generator) {
      return GeneratorWrapper<T>(pf::make_unique<RepeatGenerator<T>>(repeats, std::move(generator)));
    }

    template<typename T, typename U, typename Func>
    class MapGenerator : public IGenerator<T> {
      // TBD: provide static assert for mapping function, for friendly error message
      GeneratorWrapper<U> m_generator;
      Func m_function;
      // To avoid returning dangling reference, we have to save the values
      T m_cache;

    public:
      template<typename F2 = Func>
      MapGenerator(F2 &&function, GeneratorWrapper<U> &&generator)
          : m_generator(std::move(generator))
          , m_function(std::forward<F2>(function))
          , m_cache(m_function(m_generator.get())) {
      }

      T const &get() const override { return m_cache; }
      bool next() override {
        const auto success = m_generator.next();
        if (success) {
          m_cache = m_function(m_generator.get());
        }
        return success;
      }
    };

    template<typename Func, typename U, typename T = FunctionReturnType<Func, U>>
    GeneratorWrapper<T> map(Func &&function, GeneratorWrapper<U> &&generator) {
      return GeneratorWrapper<T>(pf::make_unique<MapGenerator<T, U, Func>>(std::forward<Func>(function), std::move(generator)));
    }

    template<typename T, typename U, typename Func>
    GeneratorWrapper<T> map(Func &&function, GeneratorWrapper<U> &&generator) {
      return GeneratorWrapper<T>(pf::make_unique<MapGenerator<T, U, Func>>(std::forward<Func>(function), std::move(generator)));
    }

    template<typename T>
    class ChunkGenerator final : public IGenerator<std::vector<T>> {
      std::vector<T> m_chunk;
      size_t m_chunk_size;
      GeneratorWrapper<T> m_generator;
      bool m_used_up = false;

    public:
      ChunkGenerator(size_t size, GeneratorWrapper<T> generator)
          : m_chunk_size(size)
          , m_generator(std::move(generator)) {
        m_chunk.reserve(m_chunk_size);
        if (m_chunk_size != 0) {
          m_chunk.push_back(m_generator.get());
          for (size_t i = 1; i < m_chunk_size; ++i) {
            if (!m_generator.next()) {
              Catch::throw_exception(GeneratorException("Not enough values to initialize the first chunk"));
            }
            m_chunk.push_back(m_generator.get());
          }
        }
      }
      std::vector<T> const &get() const override { return m_chunk; }
      bool next() override {
        m_chunk.clear();
        for (size_t idx = 0; idx < m_chunk_size; ++idx) {
          if (!m_generator.next()) {
            return false;
          }
          m_chunk.push_back(m_generator.get());
        }
        return true;
      }
    };

    template<typename T>
    GeneratorWrapper<std::vector<T>> chunk(size_t size, GeneratorWrapper<T> &&generator) {
      return GeneratorWrapper<std::vector<T>>(pf::make_unique<ChunkGenerator<T>>(size, std::move(generator)));
    }

  } // namespace Generators
} // namespace Catch

// end catch_generators_generic.hpp
// start catch_generators_specific.hpp

// start catch_context.h

#include <memory>

namespace Catch {
  struct IResultCapture;
  struct IRunner;
  struct IConfig;
  struct IMutableContext;

  using IConfigPtr = std::shared_ptr<IConfig const>;

  struct IContext {
    virtual ~IContext();

    virtual IResultCapture *getResultCapture() = 0;
    virtual IRunner *getRunner() = 0;
    virtual IConfigPtr const &getConfig() const = 0;
  };

  struct IMutableContext : IContext {
    virtual ~IMutableContext();
    virtual void setResultCapture(IResultCapture *resultCapture) = 0;
    virtual void setRunner(IRunner *runner) = 0;
    virtual void setConfig(IConfigPtr const &config) = 0;

  private:
    static IMutableContext *currentContext;
    friend IMutableContext &getCurrentMutableContext();
    friend void cleanUpContext();
    static void createContext();
  };

  inline IMutableContext &getCurrentMutableContext() {
    if (!IMutableContext::currentContext)
      IMutableContext::createContext();
    // NOLINTNEXTLINE(clang-analyzer-core.uninitialized.UndefReturn)
    return *IMutableContext::currentContext;
  }

  inline IContext &getCurrentContext() {
    return getCurrentMutableContext();
  }

  void cleanUpContext();

  class SimplePcg32;
  SimplePcg32 &rng();
} // namespace Catch

// end catch_context.h
// start catch_interfaces_config.h

// start catch_option.hpp

namespace Catch {
  // An optional type
  template<typename T>
  class Option {
  public:
    Option()
        : nullableValue(nullptr) {
    }
    Option(T const &_value)
        : nullableValue(new (storage) T(_value)) {
    }
    Option(Option const &_other)
        : nullableValue(_other ? new (storage) T(*_other) : nullptr) {
    }

    ~Option() { reset(); }

    Option &operator=(Option const &_other) {
      if (&_other != this) {
        reset();
        if (_other)
          nullableValue = new (storage) T(*_other);
      }
      return *this;
    }
    Option &operator=(T const &_value) {
      reset();
      nullableValue = new (storage) T(_value);
      return *this;
    }

    void reset() {
      if (nullableValue)
        nullableValue->~T();
      nullableValue = nullptr;
    }

    T &operator*() { return *nullableValue; }
    T const &operator*() const { return *nullableValue; }
    T *operator->() { return nullableValue; }
    const T *operator->() const { return nullableValue; }

    T valueOr(T const &defaultValue) const { return nullableValue ? *nullableValue : defaultValue; }

    bool some() const { return nullableValue != nullptr; }
    bool none() const { return nullableValue == nullptr; }

    bool operator!() const { return nullableValue == nullptr; }
    explicit operator bool() const { return some(); }

  private:
    T *nullableValue;
    alignas(alignof(T)) char storage[sizeof(T)];
  };

} // end namespace Catch

// end catch_option.hpp
#include <chrono>
#include <iosfwd>
#include <memory>
#include <string>
#include <vector>

namespace Catch {
  enum class Verbosity {
    Quiet = 0,
    Normal,
    High
  };

  struct WarnAbout {
    enum What {
      Nothing = 0x00,
      NoAssertions = 0x01,
      NoTests = 0x02
    };
  };

  struct ShowDurations {
    enum OrNot {
      DefaultForReporter,
      Always,
      Never
    };
  };
  struct RunTests {
    enum InWhatOrder {
      InDeclarationOrder,
      InLexicographicalOrder,
      InRandomOrder
    };
  };
  struct UseColour {
    enum YesOrNo {
      Auto,
      Yes,
      No
    };
  };
  struct WaitForKeypress {
    enum When {
      Never,
      BeforeStart = 1,
      BeforeExit = 2,
      BeforeStartAndExit = BeforeStart | BeforeExit
    };
  };

  class TestSpec;

  struct IConfig : NonCopyable {
    virtual ~IConfig();

    virtual bool allowThrows() const = 0;
    virtual std::ostream &stream() const = 0;
    virtual std::string name() const = 0;
    virtual bool includeSuccessfulResults() const = 0;
    virtual bool shouldDebugBreak() const = 0;
    virtual bool warnAboutMissingAssertions() const = 0;
    virtual bool warnAboutNoTests() const = 0;
    virtual int abortAfter() const = 0;
    virtual bool showInvisibles() const = 0;
    virtual ShowDurations::OrNot showDurations() const = 0;
    virtual double minDuration() const = 0;
    virtual TestSpec const &testSpec() const = 0;
    virtual bool hasTestFilters() const = 0;
    virtual std::vector<std::string> const &getTestsOrTags() const = 0;
    virtual RunTests::InWhatOrder runOrder() const = 0;
    virtual unsigned int rngSeed() const = 0;
    virtual UseColour::YesOrNo useColour() const = 0;
    virtual std::vector<std::string> const &getSectionsToRun() const = 0;
    virtual Verbosity verbosity() const = 0;

    virtual bool benchmarkNoAnalysis() const = 0;
    virtual int benchmarkSamples() const = 0;
    virtual double benchmarkConfidenceInterval() const = 0;
    virtual unsigned int benchmarkResamples() const = 0;
    virtual std::chrono::milliseconds benchmarkWarmupTime() const = 0;
  };

  using IConfigPtr = std::shared_ptr<IConfig const>;
} // namespace Catch

// end catch_interfaces_config.h
// start catch_random_number_generator.h

#include <cstdint>

namespace Catch {
  // This is a simple implementation of C++11 Uniform Random Number
  // Generator. It does not provide all operators, because Catch2
  // does not use it, but it should behave as expected inside stdlib's
  // distributions.
  // The implementation is based on the PCG family (http://pcg-random.org)
  class SimplePcg32 {
    using state_type = std::uint64_t;

  public:
    using result_type = std::uint32_t;
    static constexpr result_type(min)() { return 0; }
    static constexpr result_type(max)() { return static_cast<result_type>(-1); }

    // Provide some default initial state for the default constructor
    SimplePcg32()
        : SimplePcg32(0xed743cc4U) {
    }

    explicit SimplePcg32(result_type seed_);

    void seed(result_type seed_);
    void discard(uint64_t skip);

    result_type operator()();

  private:
    friend bool operator==(SimplePcg32 const &lhs, SimplePcg32 const &rhs);
    friend bool operator!=(SimplePcg32 const &lhs, SimplePcg32 const &rhs);

    // In theory we also need operator<< and operator>>
    // In practice we do not use them, so we will skip them for now

    std::uint64_t m_state;
    // This part of the state determines which "stream" of the numbers
    // is chosen -- we take it as a constant for Catch2, so we only
    // need to deal with seeding the main state.
    // Picked by reading 8 bytes from `/dev/random` :-)
    static const std::uint64_t s_inc = (0x13ed0cc53f939476ULL << 1ULL) | 1ULL;
  };

} // end namespace Catch

// end catch_random_number_generator.h
#include <random>

namespace Catch {
  namespace Generators {
    template<typename Float>
    class RandomFloatingGenerator final : public IGenerator<Float> {
      Catch::SimplePcg32 &m_rng;
      std::uniform_real_distribution<Float> m_dist;
      Float m_current_number;

    public:
      RandomFloatingGenerator(Float a, Float b)
          : m_rng(rng())
          , m_dist(a, b) {
        static_cast<void>(next());
      }

      Float const &get() const override { return m_current_number; }
      bool next() override {
        m_current_number = m_dist(m_rng);
        return true;
      }
    };

    template<typename Integer>
    class RandomIntegerGenerator final : public IGenerator<Integer> {
      Catch::SimplePcg32 &m_rng;
      std::uniform_int_distribution<Integer> m_dist;
      Integer m_current_number;

    public:
      RandomIntegerGenerator(Integer a, Integer b)
          : m_rng(rng())
          , m_dist(a, b) {
        static_cast<void>(next());
      }

      Integer const &get() const override { return m_current_number; }
      bool next() override {
        m_current_number = m_dist(m_rng);
        return true;
      }
    };

    // TODO: Ideally this would be also constrained against the various char types,
    //       but I don't expect users to run into that in practice.
    template<typename T>
    typename std::enable_if<std::is_integral<T>::value && !std::is_same<T, bool>::value, GeneratorWrapper<T>>::type random(T a, T b) {
      return GeneratorWrapper<T>(pf::make_unique<RandomIntegerGenerator<T>>(a, b));
    }

    template<typename T>
    typename std::enable_if<std::is_floating_point<T>::value, GeneratorWrapper<T>>::type random(T a, T b) {
      return GeneratorWrapper<T>(pf::make_unique<RandomFloatingGenerator<T>>(a, b));
    }

    template<typename T>
    class RangeGenerator final : public IGenerator<T> {
      T m_current;
      T m_end;
      T m_step;
      bool m_positive;

    public:
      RangeGenerator(T const &start, T const &end, T const &step)
          : m_current(start)
          , m_end(end)
          , m_step(step)
          , m_positive(m_step > T(0)) {
        assert(m_current != m_end && "Range start and end cannot be equal");
        assert(m_step != T(0) && "Step size cannot be zero");
        assert(((m_positive && m_current <= m_end) || (!m_positive && m_current >= m_end)) && "Step moves away from end");
      }

      RangeGenerator(T const &start, T const &end)
          : RangeGenerator(start, end, (start < end) ? T(1) : T(-1)) {
      }

      T const &get() const override { return m_current; }

      bool next() override {
        m_current += m_step;
        return (m_positive) ? (m_current < m_end) : (m_current > m_end);
      }
    };

    template<typename T>
    GeneratorWrapper<T> range(T const &start, T const &end, T const &step) {
      static_assert(std::is_arithmetic<T>::value && !std::is_same<T, bool>::value, "Type must be numeric");
      return GeneratorWrapper<T>(pf::make_unique<RangeGenerator<T>>(start, end, step));
    }

    template<typename T>
    GeneratorWrapper<T> range(T const &start, T const &end) {
      static_assert(std::is_integral<T>::value && !std::is_same<T, bool>::value, "Type must be an integer");
      return GeneratorWrapper<T>(pf::make_unique<RangeGenerator<T>>(start, end));
    }

    template<typename T>
    class IteratorGenerator final : public IGenerator<T> {
      static_assert(!std::is_same<T, bool>::value,
                    "IteratorGenerator currently does not support bools"
                    "because of std::vector<bool> specialization");

      std::vector<T> m_elems;
      size_t m_current = 0;

    public:
      template<typename InputIterator, typename InputSentinel>
      IteratorGenerator(InputIterator first, InputSentinel last)
          : m_elems(first, last) {
        if (m_elems.empty()) {
          Catch::throw_exception(GeneratorException("IteratorGenerator received no valid values"));
        }
      }

      T const &get() const override { return m_elems[m_current]; }

      bool next() override {
        ++m_current;
        return m_current != m_elems.size();
      }
    };

    template<typename InputIterator, typename InputSentinel, typename ResultType = typename std::iterator_traits<InputIterator>::value_type>
    GeneratorWrapper<ResultType> from_range(InputIterator from, InputSentinel to) {
      return GeneratorWrapper<ResultType>(pf::make_unique<IteratorGenerator<ResultType>>(from, to));
    }

    template<typename Container, typename ResultType = typename Container::value_type>
    GeneratorWrapper<ResultType> from_range(Container const &cnt) {
      return GeneratorWrapper<ResultType>(pf::make_unique<IteratorGenerator<ResultType>>(cnt.begin(), cnt.end()));
    }

  } // namespace Generators
} // namespace Catch

// end catch_generators_specific.hpp

// These files are included here so the single_include script doesn't put them
// in the conditionally compiled sections
// start catch_test_case_info.h

#include <memory>
#include <string>
#include <vector>

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

namespace Catch {
  struct ITestInvoker;

  struct TestCaseInfo {
    enum SpecialProperties {
      None = 0,
      IsHidden = 1 << 1,
      ShouldFail = 1 << 2,
      MayFail = 1 << 3,
      Throws = 1 << 4,
      NonPortable = 1 << 5,
      Benchmark = 1 << 6
    };

    TestCaseInfo(std::string const &_name,
                 std::string const &_className,
                 std::string const &_description,
                 std::vector<std::string> const &_tags,
                 SourceLineInfo const &_lineInfo);

    friend void setTags(TestCaseInfo &testCaseInfo, std::vector<std::string> tags);

    bool isHidden() const;
    bool throws() const;
    bool okToFail() const;
    bool expectedToFail() const;

    std::string tagsAsString() const;

    std::string name;
    std::string className;
    std::string description;
    std::vector<std::string> tags;
    std::vector<std::string> lcaseTags;
    SourceLineInfo lineInfo;
    SpecialProperties properties;
  };

  class TestCase : public TestCaseInfo {
  public:
    TestCase(ITestInvoker *testCase, TestCaseInfo &&info);

    TestCase withName(std::string const &_newName) const;

    void invoke() const;

    TestCaseInfo const &getTestCaseInfo() const;

    bool operator==(TestCase const &other) const;
    bool operator<(TestCase const &other) const;

  private:
    std::shared_ptr<ITestInvoker> test;
  };

  TestCase makeTestCase(ITestInvoker *testCase, std::string const &className, NameAndTags const &nameAndTags, SourceLineInfo const &lineInfo);
} // namespace Catch

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_test_case_info.h
// start catch_interfaces_runner.h

namespace Catch {
  struct IRunner {
    virtual ~IRunner();
    virtual bool aborting() const = 0;
  };
} // namespace Catch

// end catch_interfaces_runner.h

#ifdef __OBJC__
// start catch_objc.hpp

#import <objc/runtime.h>

#include <string>

// NB. Any general catch headers included here must be included
// in catch.hpp first to make sure they are included by the single
// header for non obj-usage

///////////////////////////////////////////////////////////////////////////////
// This protocol is really only here for (self) documenting purposes, since
// all its methods are optional.
@protocol OcFixture

@optional

- (void)setUp;
- (void)tearDown;

@end

namespace Catch {
  class OcMethod : public ITestInvoker {
  public:
    OcMethod(Class cls, SEL sel)
        : m_cls(cls)
        , m_sel(sel) {
    }

    virtual void invoke() const {
      id obj = [[m_cls alloc] init];

      performOptionalSelector(obj, @selector(setUp));
      performOptionalSelector(obj, m_sel);
      performOptionalSelector(obj, @selector(tearDown));

      arcSafeRelease(obj);
    }

  private:
    virtual ~OcMethod() {}

    Class m_cls;
    SEL m_sel;
  };

  namespace Detail {
    inline std::string getAnnotation(Class cls, std::string const &annotationName, std::string const &testCaseName) {
      NSString *selStr = [[NSString alloc] initWithFormat:@"Catch_%s_%s", annotationName.c_str(), testCaseName.c_str()];
      SEL sel = NSSelectorFromString(selStr);
      arcSafeRelease(selStr);
      id value = performOptionalSelector(cls, sel);
      if (value)
        return [(NSString *)value UTF8String];
      return "";
    }
  } // namespace Detail

  inline std::size_t registerTestMethods() {
    std::size_t noTestMethods = 0;
    int noClasses = objc_getClassList(nullptr, 0);

    Class *classes = (CATCH_UNSAFE_UNRETAINED Class *)malloc(sizeof(Class) * noClasses);
    objc_getClassList(classes, noClasses);

    for (int c = 0; c < noClasses; c++) {
      Class cls = classes[c];
      {
        u_int count;
        Method *methods = class_copyMethodList(cls, &count);
        for (u_int m = 0; m < count; m++) {
          SEL selector = method_getName(methods[m]);
          std::string methodName = sel_getName(selector);
          if (startsWith(methodName, "Catch_TestCase_")) {
            std::string testCaseName = methodName.substr(15);
            std::string name = Detail::getAnnotation(cls, "Name", testCaseName);
            std::string desc = Detail::getAnnotation(cls, "Description", testCaseName);
            const char *className = class_getName(cls);

            getMutableRegistryHub().registerTest(
                makeTestCase(new OcMethod(cls, selector), className, NameAndTags(name.c_str(), desc.c_str()), SourceLineInfo("", 0)));
            noTestMethods++;
          }
        }
        free(methods);
      }
    }
    return noTestMethods;
  }

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)

  namespace Matchers {
    namespace Impl {
      namespace NSStringMatchers {
        struct StringHolder : MatcherBase<NSString *> {
          StringHolder(NSString *substr)
              : m_substr([substr copy]) {
          }
          StringHolder(StringHolder const &other)
              : m_substr([other.m_substr copy]) {
          }
          StringHolder() { arcSafeRelease(m_substr); }

          bool match(NSString *str) const override { return false; }

          NSString *CATCH_ARC_STRONG m_substr;
        };

        struct Equals : StringHolder {
          Equals(NSString *substr)
              : StringHolder(substr) {
          }

          bool match(NSString *str) const override { return (str != nil || m_substr == nil) && [str isEqualToString:m_substr]; }

          std::string describe() const override { return "equals string: " + Catch::Detail::stringify(m_substr); }
        };

        struct Contains : StringHolder {
          Contains(NSString *substr)
              : StringHolder(substr) {
          }

          bool match(NSString *str) const override {
            return (str != nil || m_substr == nil) && [str rangeOfString:m_substr].location != NSNotFound;
          }

          std::string describe() const override { return "contains string: " + Catch::Detail::stringify(m_substr); }
        };

        struct StartsWith : StringHolder {
          StartsWith(NSString *substr)
              : StringHolder(substr) {
          }

          bool match(NSString *str) const override { return (str != nil || m_substr == nil) && [str rangeOfString:m_substr].location == 0; }

          std::string describe() const override { return "starts with: " + Catch::Detail::stringify(m_substr); }
        };
        struct EndsWith : StringHolder {
          EndsWith(NSString *substr)
              : StringHolder(substr) {
          }

          bool match(NSString *str) const override {
            return (str != nil || m_substr == nil) && [str rangeOfString:m_substr].location == [str length] - [m_substr length];
          }

          std::string describe() const override { return "ends with: " + Catch::Detail::stringify(m_substr); }
        };

      } // namespace NSStringMatchers
    } // namespace Impl

    inline Impl::NSStringMatchers::Equals Equals(NSString *substr) {
      return Impl::NSStringMatchers::Equals(substr);
    }

    inline Impl::NSStringMatchers::Contains Contains(NSString *substr) {
      return Impl::NSStringMatchers::Contains(substr);
    }

    inline Impl::NSStringMatchers::StartsWith StartsWith(NSString *substr) {
      return Impl::NSStringMatchers::StartsWith(substr);
    }

    inline Impl::NSStringMatchers::EndsWith EndsWith(NSString *substr) {
      return Impl::NSStringMatchers::EndsWith(substr);
    }

  } // namespace Matchers

  using namespace Matchers;

#endif // CATCH_CONFIG_DISABLE_MATCHERS

} // namespace Catch

///////////////////////////////////////////////////////////////////////////////
#define OC_MAKE_UNIQUE_NAME(root, uniqueSuffix) root##uniqueSuffix
#define OC_TEST_CASE2(name, desc, uniqueSuffix)                             \
  +(NSString *)OC_MAKE_UNIQUE_NAME(Catch_Name_test_, uniqueSuffix) {        \
    return @name;                                                           \
  }                                                                         \
  +(NSString *)OC_MAKE_UNIQUE_NAME(Catch_Description_test_, uniqueSuffix) { \
    return @desc;                                                           \
  }                                                                         \
  -(void)OC_MAKE_UNIQUE_NAME(Catch_TestCase_test_, uniqueSuffix)

#define OC_TEST_CASE(name, desc) OC_TEST_CASE2(name, desc, __LINE__)

// end catch_objc.hpp
#endif

// Benchmarking needs the externally-facing parts of reporters to work
#if defined(CATCH_CONFIG_EXTERNAL_INTERFACES) || defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
// start catch_external_interfaces.h

// start catch_reporter_bases.hpp

// start catch_interfaces_reporter.h

// start catch_config.hpp

// start catch_test_spec_parser.h

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

// start catch_test_spec.h

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

// start catch_wildcard_pattern.h

namespace Catch {
  class WildcardPattern {
    enum WildcardPosition {
      NoWildcard = 0,
      WildcardAtStart = 1,
      WildcardAtEnd = 2,
      WildcardAtBothEnds = WildcardAtStart | WildcardAtEnd
    };

  public:
    WildcardPattern(std::string const &pattern, CaseSensitive::Choice caseSensitivity);
    virtual ~WildcardPattern() = default;
    virtual bool matches(std::string const &str) const;

  private:
    std::string normaliseString(std::string const &str) const;
    CaseSensitive::Choice m_caseSensitivity;
    WildcardPosition m_wildcard = NoWildcard;
    std::string m_pattern;
  };
} // namespace Catch

// end catch_wildcard_pattern.h
#include <memory>
#include <string>
#include <vector>

namespace Catch {
  struct IConfig;

  class TestSpec {
    class Pattern {
    public:
      explicit Pattern(std::string const &name);
      virtual ~Pattern();
      virtual bool matches(TestCaseInfo const &testCase) const = 0;
      std::string const &name() const;

    private:
      std::string const m_name;
    };
    using PatternPtr = std::shared_ptr<Pattern>;

    class NamePattern : public Pattern {
    public:
      explicit NamePattern(std::string const &name, std::string const &filterString);
      bool matches(TestCaseInfo const &testCase) const override;

    private:
      WildcardPattern m_wildcardPattern;
    };

    class TagPattern : public Pattern {
    public:
      explicit TagPattern(std::string const &tag, std::string const &filterString);
      bool matches(TestCaseInfo const &testCase) const override;

    private:
      std::string m_tag;
    };

    class ExcludedPattern : public Pattern {
    public:
      explicit ExcludedPattern(PatternPtr const &underlyingPattern);
      bool matches(TestCaseInfo const &testCase) const override;

    private:
      PatternPtr m_underlyingPattern;
    };

    struct Filter {
      std::vector<PatternPtr> m_patterns;

      bool matches(TestCaseInfo const &testCase) const;
      std::string name() const;
    };

  public:
    struct FilterMatch {
      std::string name;
      std::vector<TestCase const *> tests;
    };
    using Matches = std::vector<FilterMatch>;
    using vectorStrings = std::vector<std::string>;

    bool hasFilters() const;
    bool matches(TestCaseInfo const &testCase) const;
    Matches matchesByFilter(std::vector<TestCase> const &testCases, IConfig const &config) const;
    const vectorStrings &getInvalidArgs() const;

  private:
    std::vector<Filter> m_filters;
    std::vector<std::string> m_invalidArgs;
    friend class TestSpecParser;
  };
} // namespace Catch

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_test_spec.h
// start catch_interfaces_tag_alias_registry.h

#include <string>

namespace Catch {
  struct TagAlias;

  struct ITagAliasRegistry {
    virtual ~ITagAliasRegistry();
    // Nullptr if not present
    virtual TagAlias const *find(std::string const &alias) const = 0;
    virtual std::string expandAliases(std::string const &unexpandedTestSpec) const = 0;

    static ITagAliasRegistry const &get();
  };

} // end namespace Catch

// end catch_interfaces_tag_alias_registry.h
namespace Catch {
  class TestSpecParser {
    enum Mode {
      None,
      Name,
      QuotedName,
      Tag,
      EscapedName
    };
    Mode m_mode = None;
    Mode lastMode = None;
    bool m_exclusion = false;
    std::size_t m_pos = 0;
    std::size_t m_realPatternPos = 0;
    std::string m_arg;
    std::string m_substring;
    std::string m_patternName;
    std::vector<std::size_t> m_escapeChars;
    TestSpec::Filter m_currentFilter;
    TestSpec m_testSpec;
    ITagAliasRegistry const *m_tagAliases = nullptr;

  public:
    TestSpecParser(ITagAliasRegistry const &tagAliases);

    TestSpecParser &parse(std::string const &arg);
    TestSpec testSpec();

  private:
    bool visitChar(char c);
    void startNewMode(Mode mode);
    bool processNoneChar(char c);
    void processNameChar(char c);
    bool processOtherChar(char c);
    void endMode();
    void escape();
    bool isControlChar(char c) const;
    void saveLastMode();
    void revertBackToLastMode();
    void addFilter();
    bool separate();

    // Handles common preprocessing of the pattern for name/tag patterns
    std::string preprocessPattern();
    // Adds the current pattern as a test name
    void addNamePattern();
    // Adds the current pattern as a tag
    void addTagPattern();

    inline void addCharToPattern(char c) {
      m_substring += c;
      m_patternName += c;
      m_realPatternPos++;
    }
  };
  TestSpec parseTestSpec(std::string const &arg);

} // namespace Catch

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_test_spec_parser.h
// Libstdc++ doesn't like incomplete classes for unique_ptr

#include <memory>
#include <string>
#include <vector>

#ifndef CATCH_CONFIG_CONSOLE_WIDTH
#define CATCH_CONFIG_CONSOLE_WIDTH 80
#endif

namespace Catch {
  struct IStream;

  struct ConfigData {
    bool listTests = false;
    bool listTags = false;
    bool listReporters = false;
    bool listTestNamesOnly = false;

    bool showSuccessfulTests = false;
    bool shouldDebugBreak = false;
    bool noThrow = false;
    bool showHelp = false;
    bool showInvisibles = false;
    bool filenamesAsTags = false;
    bool libIdentify = false;

    int abortAfter = -1;
    unsigned int rngSeed = 0;

    bool benchmarkNoAnalysis = false;
    unsigned int benchmarkSamples = 100;
    double benchmarkConfidenceInterval = 0.95;
    unsigned int benchmarkResamples = 100000;
    std::chrono::milliseconds::rep benchmarkWarmupTime = 100;

    Verbosity verbosity = Verbosity::Normal;
    WarnAbout::What warnings = WarnAbout::Nothing;
    ShowDurations::OrNot showDurations = ShowDurations::DefaultForReporter;
    double minDuration = -1;
    RunTests::InWhatOrder runOrder = RunTests::InDeclarationOrder;
    UseColour::YesOrNo useColour = UseColour::Auto;
    WaitForKeypress::When waitForKeypress = WaitForKeypress::Never;

    std::string outputFilename;
    std::string name;
    std::string processName;
#ifndef CATCH_CONFIG_DEFAULT_REPORTER
#define CATCH_CONFIG_DEFAULT_REPORTER "console"
#endif
    std::string reporterName = CATCH_CONFIG_DEFAULT_REPORTER;
#undef CATCH_CONFIG_DEFAULT_REPORTER

    std::vector<std::string> testsOrTags;
    std::vector<std::string> sectionsToRun;
  };

  class Config : public IConfig {
  public:
    Config() = default;
    Config(ConfigData const &data);
    virtual ~Config() = default;

    std::string const &getFilename() const;

    bool listTests() const;
    bool listTestNamesOnly() const;
    bool listTags() const;
    bool listReporters() const;

    std::string getProcessName() const;
    std::string const &getReporterName() const;

    std::vector<std::string> const &getTestsOrTags() const override;
    std::vector<std::string> const &getSectionsToRun() const override;

    TestSpec const &testSpec() const override;
    bool hasTestFilters() const override;

    bool showHelp() const;

    // IConfig interface
    bool allowThrows() const override;
    std::ostream &stream() const override;
    std::string name() const override;
    bool includeSuccessfulResults() const override;
    bool warnAboutMissingAssertions() const override;
    bool warnAboutNoTests() const override;
    ShowDurations::OrNot showDurations() const override;
    double minDuration() const override;
    RunTests::InWhatOrder runOrder() const override;
    unsigned int rngSeed() const override;
    UseColour::YesOrNo useColour() const override;
    bool shouldDebugBreak() const override;
    int abortAfter() const override;
    bool showInvisibles() const override;
    Verbosity verbosity() const override;
    bool benchmarkNoAnalysis() const override;
    int benchmarkSamples() const override;
    double benchmarkConfidenceInterval() const override;
    unsigned int benchmarkResamples() const override;
    std::chrono::milliseconds benchmarkWarmupTime() const override;

  private:
    IStream const *openStream();
    ConfigData m_data;

    std::unique_ptr<IStream const> m_stream;
    TestSpec m_testSpec;
    bool m_hasTestFilters = false;
  };

} // end namespace Catch

// end catch_config.hpp
// start catch_assertionresult.h

#include <string>

namespace Catch {
  struct AssertionResultData {
    AssertionResultData() = delete;

    AssertionResultData(ResultWas::OfType _resultType, LazyExpression const &_lazyExpression);

    std::string message;
    mutable std::string reconstructedExpression;
    LazyExpression lazyExpression;
    ResultWas::OfType resultType;

    std::string reconstructExpression() const;
  };

  class AssertionResult {
  public:
    AssertionResult() = delete;
    AssertionResult(AssertionInfo const &info, AssertionResultData const &data);

    bool isOk() const;
    bool succeeded() const;
    ResultWas::OfType getResultType() const;
    bool hasExpression() const;
    bool hasMessage() const;
    std::string getExpression() const;
    std::string getExpressionInMacro() const;
    bool hasExpandedExpression() const;
    std::string getExpandedExpression() const;
    std::string getMessage() const;
    SourceLineInfo getSourceInfo() const;
    StringRef getTestMacroName() const;

    // protected:
    AssertionInfo m_info;
    AssertionResultData m_resultData;
  };

} // end namespace Catch

// end catch_assertionresult.h
#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
// start catch_estimate.hpp

// Statistics estimates

namespace Catch {
  namespace Benchmark {
    template<typename Duration>
    struct Estimate {
      Duration point;
      Duration lower_bound;
      Duration upper_bound;
      double confidence_interval;

      template<typename Duration2>
      operator Estimate<Duration2>() const {
        return {point, lower_bound, upper_bound, confidence_interval};
      }
    };
  } // namespace Benchmark
} // namespace Catch

// end catch_estimate.hpp
// start catch_outlier_classification.hpp

// Outlier information

namespace Catch {
  namespace Benchmark {
    struct OutlierClassification {
      int samples_seen = 0;
      int low_severe = 0; // more than 3 times IQR below Q1
      int low_mild = 0; // 1.5 to 3 times IQR below Q1
      int high_mild = 0; // 1.5 to 3 times IQR above Q3
      int high_severe = 0; // more than 3 times IQR above Q3

      int total() const { return low_severe + low_mild + high_mild + high_severe; }
    };
  } // namespace Benchmark
} // namespace Catch

// end catch_outlier_classification.hpp
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

#include <algorithm>
#include <iosfwd>
#include <map>
#include <memory>
#include <set>
#include <string>

namespace Catch {
  struct ReporterConfig {
    explicit ReporterConfig(IConfigPtr const &_fullConfig);

    ReporterConfig(IConfigPtr const &_fullConfig, std::ostream &_stream);

    std::ostream &stream() const;
    IConfigPtr fullConfig() const;

  private:
    std::ostream *m_stream;
    IConfigPtr m_fullConfig;
  };

  struct ReporterPreferences {
    bool shouldRedirectStdOut = false;
    bool shouldReportAllAssertions = false;
  };

  template<typename T>
  struct LazyStat : Option<T> {
    LazyStat &operator=(T const &_value) {
      Option<T>::operator=(_value);
      used = false;
      return *this;
    }
    void reset() {
      Option<T>::reset();
      used = false;
    }
    bool used = false;
  };

  struct TestRunInfo {
    TestRunInfo(std::string const &_name);
    std::string name;
  };
  struct GroupInfo {
    GroupInfo(std::string const &_name, std::size_t _groupIndex, std::size_t _groupsCount);

    std::string name;
    std::size_t groupIndex;
    std::size_t groupsCounts;
  };

  struct AssertionStats {
    AssertionStats(AssertionResult const &_assertionResult, std::vector<MessageInfo> const &_infoMessages, Totals const &_totals);

    AssertionStats(AssertionStats const &) = default;
    AssertionStats(AssertionStats &&) = default;
    AssertionStats &operator=(AssertionStats const &) = delete;
    AssertionStats &operator=(AssertionStats &&) = delete;
    virtual ~AssertionStats();

    AssertionResult assertionResult;
    std::vector<MessageInfo> infoMessages;
    Totals totals;
  };

  struct SectionStats {
    SectionStats(SectionInfo const &_sectionInfo, Counts const &_assertions, double _durationInSeconds, bool _missingAssertions);
    SectionStats(SectionStats const &) = default;
    SectionStats(SectionStats &&) = default;
    SectionStats &operator=(SectionStats const &) = default;
    SectionStats &operator=(SectionStats &&) = default;
    virtual ~SectionStats();

    SectionInfo sectionInfo;
    Counts assertions;
    double durationInSeconds;
    bool missingAssertions;
  };

  struct TestCaseStats {
    TestCaseStats(TestCaseInfo const &_testInfo, Totals const &_totals, std::string const &_stdOut, std::string const &_stdErr, bool _aborting);

    TestCaseStats(TestCaseStats const &) = default;
    TestCaseStats(TestCaseStats &&) = default;
    TestCaseStats &operator=(TestCaseStats const &) = default;
    TestCaseStats &operator=(TestCaseStats &&) = default;
    virtual ~TestCaseStats();

    TestCaseInfo testInfo;
    Totals totals;
    std::string stdOut;
    std::string stdErr;
    bool aborting;
  };

  struct TestGroupStats {
    TestGroupStats(GroupInfo const &_groupInfo, Totals const &_totals, bool _aborting);
    TestGroupStats(GroupInfo const &_groupInfo);

    TestGroupStats(TestGroupStats const &) = default;
    TestGroupStats(TestGroupStats &&) = default;
    TestGroupStats &operator=(TestGroupStats const &) = default;
    TestGroupStats &operator=(TestGroupStats &&) = default;
    virtual ~TestGroupStats();

    GroupInfo groupInfo;
    Totals totals;
    bool aborting;
  };

  struct TestRunStats {
    TestRunStats(TestRunInfo const &_runInfo, Totals const &_totals, bool _aborting);

    TestRunStats(TestRunStats const &) = default;
    TestRunStats(TestRunStats &&) = default;
    TestRunStats &operator=(TestRunStats const &) = default;
    TestRunStats &operator=(TestRunStats &&) = default;
    virtual ~TestRunStats();

    TestRunInfo runInfo;
    Totals totals;
    bool aborting;
  };

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  struct BenchmarkInfo {
    std::string name;
    double estimatedDuration;
    int iterations;
    int samples;
    unsigned int resamples;
    double clockResolution;
    double clockCost;
  };

  template<class Duration>
  struct BenchmarkStats {
    BenchmarkInfo info;

    std::vector<Duration> samples;
    Benchmark::Estimate<Duration> mean;
    Benchmark::Estimate<Duration> standardDeviation;
    Benchmark::OutlierClassification outliers;
    double outlierVariance;

    template<typename Duration2>
    operator BenchmarkStats<Duration2>() const {
      std::vector<Duration2> samples2;
      samples2.reserve(samples.size());
      std::transform(samples.begin(), samples.end(), std::back_inserter(samples2), [](Duration d) { return Duration2(d); });
      return {
          info,
          std::move(samples2),
          mean,
          standardDeviation,
          outliers,
          outlierVariance,
      };
    }
  };
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

  struct IStreamingReporter {
    virtual ~IStreamingReporter() = default;

    // Implementing class must also provide the following static methods:
    // static std::string getDescription();
    // static std::set<Verbosity> getSupportedVerbosities()

    virtual ReporterPreferences getPreferences() const = 0;

    virtual void noMatchingTestCases(std::string const &spec) = 0;

    virtual void reportInvalidArguments(std::string const &) {}

    virtual void testRunStarting(TestRunInfo const &testRunInfo) = 0;
    virtual void testGroupStarting(GroupInfo const &groupInfo) = 0;

    virtual void testCaseStarting(TestCaseInfo const &testInfo) = 0;
    virtual void sectionStarting(SectionInfo const &sectionInfo) = 0;

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
    virtual void benchmarkPreparing(std::string const &) {
    }
    virtual void benchmarkStarting(BenchmarkInfo const &) {}
    virtual void benchmarkEnded(BenchmarkStats<> const &) {}
    virtual void benchmarkFailed(std::string const &) {}
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

    virtual void assertionStarting(AssertionInfo const &assertionInfo) = 0;

    // The return value indicates if the messages buffer should be cleared:
    virtual bool assertionEnded(AssertionStats const &assertionStats) = 0;

    virtual void sectionEnded(SectionStats const &sectionStats) = 0;
    virtual void testCaseEnded(TestCaseStats const &testCaseStats) = 0;
    virtual void testGroupEnded(TestGroupStats const &testGroupStats) = 0;
    virtual void testRunEnded(TestRunStats const &testRunStats) = 0;

    virtual void skipTest(TestCaseInfo const &testInfo) = 0;

    // Default empty implementation provided
    virtual void fatalErrorEncountered(StringRef name);

    virtual bool isMulti() const;
  };
  using IStreamingReporterPtr = std::unique_ptr<IStreamingReporter>;

  struct IReporterFactory {
    virtual ~IReporterFactory();
    virtual IStreamingReporterPtr create(ReporterConfig const &config) const = 0;
    virtual std::string getDescription() const = 0;
  };
  using IReporterFactoryPtr = std::shared_ptr<IReporterFactory>;

  struct IReporterRegistry {
    using FactoryMap = std::map<std::string, IReporterFactoryPtr>;
    using Listeners = std::vector<IReporterFactoryPtr>;

    virtual ~IReporterRegistry();
    virtual IStreamingReporterPtr create(std::string const &name, IConfigPtr const &config) const = 0;
    virtual FactoryMap const &getFactories() const = 0;
    virtual Listeners const &getListeners() const = 0;
  };

} // end namespace Catch

// end catch_interfaces_reporter.h
#include <algorithm>
#include <cassert>
#include <cfloat>
#include <cstdio>
#include <cstring>
#include <memory>
#include <ostream>

namespace Catch {
  void prepareExpandedExpression(AssertionResult &result);

  // Returns double formatted as %.3f (format expected on output)
  std::string getFormattedDuration(double duration);

  //! Should the reporter show
  bool shouldShowDuration(IConfig const &config, double duration);

  std::string serializeFilters(std::vector<std::string> const &container);

  template<typename DerivedT>
  struct StreamingReporterBase : IStreamingReporter {
    StreamingReporterBase(ReporterConfig const &_config)
        : m_config(_config.fullConfig())
        , stream(_config.stream()) {
      m_reporterPrefs.shouldRedirectStdOut = false;
      if (!DerivedT::getSupportedVerbosities().count(m_config->verbosity()))
        CATCH_ERROR("Verbosity level not supported by this reporter");
    }

    ReporterPreferences getPreferences() const override { return m_reporterPrefs; }

    static std::set<Verbosity> getSupportedVerbosities() { return {Verbosity::Normal}; }

    ~StreamingReporterBase() override = default;

    void noMatchingTestCases(std::string const &) override {}

    void reportInvalidArguments(std::string const &) override {}

    void testRunStarting(TestRunInfo const &_testRunInfo) override { currentTestRunInfo = _testRunInfo; }

    void testGroupStarting(GroupInfo const &_groupInfo) override { currentGroupInfo = _groupInfo; }

    void testCaseStarting(TestCaseInfo const &_testInfo) override { currentTestCaseInfo = _testInfo; }
    void sectionStarting(SectionInfo const &_sectionInfo) override { m_sectionStack.push_back(_sectionInfo); }

    void sectionEnded(SectionStats const & /* _sectionStats */) override { m_sectionStack.pop_back(); }
    void testCaseEnded(TestCaseStats const & /* _testCaseStats */) override { currentTestCaseInfo.reset(); }
    void testGroupEnded(TestGroupStats const & /* _testGroupStats */) override { currentGroupInfo.reset(); }
    void testRunEnded(TestRunStats const & /* _testRunStats */) override {
      currentTestCaseInfo.reset();
      currentGroupInfo.reset();
      currentTestRunInfo.reset();
    }

    void skipTest(TestCaseInfo const &) override {
      // Don't do anything with this by default.
      // It can optionally be overridden in the derived class.
    }

    IConfigPtr m_config;
    std::ostream &stream;

    LazyStat<TestRunInfo> currentTestRunInfo;
    LazyStat<GroupInfo> currentGroupInfo;
    LazyStat<TestCaseInfo> currentTestCaseInfo;

    std::vector<SectionInfo> m_sectionStack;
    ReporterPreferences m_reporterPrefs;
  };

  template<typename DerivedT>
  struct CumulativeReporterBase : IStreamingReporter {
    template<typename T, typename ChildNodeT>
    struct Node {
      explicit Node(T const &_value)
          : value(_value) {
      }
      virtual ~Node() {}

      using ChildNodes = std::vector<std::shared_ptr<ChildNodeT>>;
      T value;
      ChildNodes children;
    };
    struct SectionNode {
      explicit SectionNode(SectionStats const &_stats)
          : stats(_stats) {
      }
      virtual ~SectionNode() = default;

      bool operator==(SectionNode const &other) const { return stats.sectionInfo.lineInfo == other.stats.sectionInfo.lineInfo; }
      bool operator==(std::shared_ptr<SectionNode> const &other) const { return operator==(*other); }

      SectionStats stats;
      using ChildSections = std::vector<std::shared_ptr<SectionNode>>;
      using Assertions = std::vector<AssertionStats>;
      ChildSections childSections;
      Assertions assertions;
      std::string stdOut;
      std::string stdErr;
    };

    struct BySectionInfo {
      BySectionInfo(SectionInfo const &other)
          : m_other(other) {
      }
      BySectionInfo(BySectionInfo const &other)
          : m_other(other.m_other) {
      }
      bool operator()(std::shared_ptr<SectionNode> const &node) const {
        return ((node->stats.sectionInfo.name == m_other.name) && (node->stats.sectionInfo.lineInfo == m_other.lineInfo));
      }
      void operator=(BySectionInfo const &) = delete;

    private:
      SectionInfo const &m_other;
    };

    using TestCaseNode = Node<TestCaseStats, SectionNode>;
    using TestGroupNode = Node<TestGroupStats, TestCaseNode>;
    using TestRunNode = Node<TestRunStats, TestGroupNode>;

    CumulativeReporterBase(ReporterConfig const &_config)
        : m_config(_config.fullConfig())
        , stream(_config.stream()) {
      m_reporterPrefs.shouldRedirectStdOut = false;
      if (!DerivedT::getSupportedVerbosities().count(m_config->verbosity()))
        CATCH_ERROR("Verbosity level not supported by this reporter");
    }
    ~CumulativeReporterBase() override = default;

    ReporterPreferences getPreferences() const override { return m_reporterPrefs; }

    static std::set<Verbosity> getSupportedVerbosities() { return {Verbosity::Normal}; }

    void testRunStarting(TestRunInfo const &) override {}
    void testGroupStarting(GroupInfo const &) override {}

    void testCaseStarting(TestCaseInfo const &) override {}

    void sectionStarting(SectionInfo const &sectionInfo) override {
      SectionStats incompleteStats(sectionInfo, Counts(), 0, false);
      std::shared_ptr<SectionNode> node;
      if (m_sectionStack.empty()) {
        if (!m_rootSection)
          m_rootSection = std::make_shared<SectionNode>(incompleteStats);
        node = m_rootSection;
      } else {
        SectionNode &parentNode = *m_sectionStack.back();
        auto it = std::find_if(parentNode.childSections.begin(), parentNode.childSections.end(), BySectionInfo(sectionInfo));
        if (it == parentNode.childSections.end()) {
          node = std::make_shared<SectionNode>(incompleteStats);
          parentNode.childSections.push_back(node);
        } else
          node = *it;
      }
      m_sectionStack.push_back(node);
      m_deepestSection = std::move(node);
    }

    void assertionStarting(AssertionInfo const &) override {}

    bool assertionEnded(AssertionStats const &assertionStats) override {
      assert(!m_sectionStack.empty());
      // AssertionResult holds a pointer to a temporary DecomposedExpression,
      // which getExpandedExpression() calls to build the expression string.
      // Our section stack copy of the assertionResult will likely outlive the
      // temporary, so it must be expanded or discarded now to avoid calling
      // a destroyed object later.
      prepareExpandedExpression(const_cast<AssertionResult &>(assertionStats.assertionResult));
      SectionNode &sectionNode = *m_sectionStack.back();
      sectionNode.assertions.push_back(assertionStats);
      return true;
    }
    void sectionEnded(SectionStats const &sectionStats) override {
      assert(!m_sectionStack.empty());
      SectionNode &node = *m_sectionStack.back();
      node.stats = sectionStats;
      m_sectionStack.pop_back();
    }
    void testCaseEnded(TestCaseStats const &testCaseStats) override {
      auto node = std::make_shared<TestCaseNode>(testCaseStats);
      assert(m_sectionStack.size() == 0);
      node->children.push_back(m_rootSection);
      m_testCases.push_back(node);
      m_rootSection.reset();

      assert(m_deepestSection);
      m_deepestSection->stdOut = testCaseStats.stdOut;
      m_deepestSection->stdErr = testCaseStats.stdErr;
    }
    void testGroupEnded(TestGroupStats const &testGroupStats) override {
      auto node = std::make_shared<TestGroupNode>(testGroupStats);
      node->children.swap(m_testCases);
      m_testGroups.push_back(node);
    }
    void testRunEnded(TestRunStats const &testRunStats) override {
      auto node = std::make_shared<TestRunNode>(testRunStats);
      node->children.swap(m_testGroups);
      m_testRuns.push_back(node);
      testRunEndedCumulative();
    }
    virtual void testRunEndedCumulative() = 0;

    void skipTest(TestCaseInfo const &) override {}

    IConfigPtr m_config;
    std::ostream &stream;
    std::vector<AssertionStats> m_assertions;
    std::vector<std::vector<std::shared_ptr<SectionNode>>> m_sections;
    std::vector<std::shared_ptr<TestCaseNode>> m_testCases;
    std::vector<std::shared_ptr<TestGroupNode>> m_testGroups;

    std::vector<std::shared_ptr<TestRunNode>> m_testRuns;

    std::shared_ptr<SectionNode> m_rootSection;
    std::shared_ptr<SectionNode> m_deepestSection;
    std::vector<std::shared_ptr<SectionNode>> m_sectionStack;
    ReporterPreferences m_reporterPrefs;
  };

  template<char C>
  char const *getLineOfChars() {
    static char line[CATCH_CONFIG_CONSOLE_WIDTH] = {0};
    if (!*line) {
      std::memset(line, C, CATCH_CONFIG_CONSOLE_WIDTH - 1);
      line[CATCH_CONFIG_CONSOLE_WIDTH - 1] = 0;
    }
    return line;
  }

  struct TestEventListenerBase : StreamingReporterBase<TestEventListenerBase> {
    TestEventListenerBase(ReporterConfig const &_config);

    static std::set<Verbosity> getSupportedVerbosities();

    void assertionStarting(AssertionInfo const &) override;
    bool assertionEnded(AssertionStats const &) override;
  };

} // end namespace Catch

// end catch_reporter_bases.hpp
// start catch_console_colour.h

namespace Catch {
  struct Colour {
    enum Code {
      None = 0,

      White,
      Red,
      Green,
      Blue,
      Cyan,
      Yellow,
      Grey,

      Bright = 0x10,

      BrightRed = Bright | Red,
      BrightGreen = Bright | Green,
      LightGrey = Bright | Grey,
      BrightWhite = Bright | White,
      BrightYellow = Bright | Yellow,

      // By intention
      FileName = LightGrey,
      Warning = BrightYellow,
      ResultError = BrightRed,
      ResultSuccess = BrightGreen,
      ResultExpectedFailure = Warning,

      Error = BrightRed,
      Success = Green,

      OriginalExpression = Cyan,
      ReconstructedExpression = BrightYellow,

      SecondaryText = LightGrey,
      Headers = White
    };

    // Use constructed object for RAII guard
    Colour(Code _colourCode);
    Colour(Colour &&other) noexcept;
    Colour &operator=(Colour &&other) noexcept;
    ~Colour();

    // Use static method for one-shot changes
    static void use(Code _colourCode);

  private:
    bool m_moved = false;
  };

  std::ostream &operator<<(std::ostream &os, Colour const &);

} // end namespace Catch

// end catch_console_colour.h
// start catch_reporter_registrars.hpp

namespace Catch {
  template<typename T>
  class ReporterRegistrar {
    class ReporterFactory : public IReporterFactory {
      IStreamingReporterPtr create(ReporterConfig const &config) const override { return std::unique_ptr<T>(new T(config)); }

      std::string getDescription() const override { return T::getDescription(); }
    };

  public:
    explicit ReporterRegistrar(std::string const &name) {
      getMutableRegistryHub().registerReporter(name, std::make_shared<ReporterFactory>());
    }
  };

  template<typename T>
  class ListenerRegistrar {
    class ListenerFactory : public IReporterFactory {
      IStreamingReporterPtr create(ReporterConfig const &config) const override { return std::unique_ptr<T>(new T(config)); }
      std::string getDescription() const override { return std::string(); }
    };

  public:
    ListenerRegistrar() { getMutableRegistryHub().registerListener(std::make_shared<ListenerFactory>()); }
  };
} // namespace Catch

#if !defined(CATCH_CONFIG_DISABLE)

#define CATCH_REGISTER_REPORTER(name, reporterType)                                         \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                                 \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                                  \
  namespace {                                                                               \
    Catch::ReporterRegistrar<reporterType> catch_internal_RegistrarFor##reporterType(name); \
  }                                                                                         \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION

#define CATCH_REGISTER_LISTENER(listenerType)                                         \
  CATCH_INTERNAL_START_WARNINGS_SUPPRESSION                                           \
  CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS                                            \
  namespace {                                                                         \
    Catch::ListenerRegistrar<listenerType> catch_internal_RegistrarFor##listenerType; \
  }                                                                                   \
  CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
#else // CATCH_CONFIG_DISABLE

#define CATCH_REGISTER_REPORTER(name, reporterType)
#define CATCH_REGISTER_LISTENER(listenerType)

#endif // CATCH_CONFIG_DISABLE

// end catch_reporter_registrars.hpp
// Allow users to base their work off existing reporters
// start catch_reporter_compact.h

namespace Catch {
  struct CompactReporter : StreamingReporterBase<CompactReporter> {
    using StreamingReporterBase::StreamingReporterBase;

    ~CompactReporter() override;

    static std::string getDescription();

    void noMatchingTestCases(std::string const &spec) override;

    void assertionStarting(AssertionInfo const &) override;

    bool assertionEnded(AssertionStats const &_assertionStats) override;

    void sectionEnded(SectionStats const &_sectionStats) override;

    void testRunEnded(TestRunStats const &_testRunStats) override;
  };

} // end namespace Catch

// end catch_reporter_compact.h
// start catch_reporter_console.h

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4061) // Not all labels are EXPLICITLY handled in switch \
  // Note that 4062 (not all labels are handled                                   \
  // and default is missing) is enabled
#endif

namespace Catch {
  // Fwd decls
  struct SummaryColumn;
  class TablePrinter;

  struct ConsoleReporter : StreamingReporterBase<ConsoleReporter> {
    std::unique_ptr<TablePrinter> m_tablePrinter;

    ConsoleReporter(ReporterConfig const &config);
    ~ConsoleReporter() override;
    static std::string getDescription();

    void noMatchingTestCases(std::string const &spec) override;

    void reportInvalidArguments(std::string const &arg) override;

    void assertionStarting(AssertionInfo const &) override;

    bool assertionEnded(AssertionStats const &_assertionStats) override;

    void sectionStarting(SectionInfo const &_sectionInfo) override;
    void sectionEnded(SectionStats const &_sectionStats) override;

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
    void benchmarkPreparing(std::string const &name) override;
    void benchmarkStarting(BenchmarkInfo const &info) override;
    void benchmarkEnded(BenchmarkStats<> const &stats) override;
    void benchmarkFailed(std::string const &error) override;
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

    void testCaseEnded(TestCaseStats const &_testCaseStats) override;
    void testGroupEnded(TestGroupStats const &_testGroupStats) override;
    void testRunEnded(TestRunStats const &_testRunStats) override;
    void testRunStarting(TestRunInfo const &_testRunInfo) override;

  private:
    void lazyPrint();

    void lazyPrintWithoutClosingBenchmarkTable();
    void lazyPrintRunInfo();
    void lazyPrintGroupInfo();
    void printTestCaseAndSectionHeader();

    void printClosedHeader(std::string const &_name);
    void printOpenHeader(std::string const &_name);

    // if string has a : in first line will set indent to follow it on
    // subsequent lines
    void printHeaderString(std::string const &_string, std::size_t indent = 0);

    void printTotals(Totals const &totals);
    void printSummaryRow(std::string const &label, std::vector<SummaryColumn> const &cols, std::size_t row);

    void printTotalsDivider(Totals const &totals);
    void printSummaryDivider();
    void printTestFilters();

  private:
    bool m_headerPrinted = false;
  };

} // end namespace Catch

#if defined(_MSC_VER)
#pragma warning(pop)
#endif

// end catch_reporter_console.h
// start catch_reporter_junit.h

// start catch_xmlwriter.h

#include <vector>

namespace Catch {
  enum class XmlFormatting {
    None = 0x00,
    Indent = 0x01,
    Newline = 0x02,
  };

  XmlFormatting operator|(XmlFormatting lhs, XmlFormatting rhs);
  XmlFormatting operator&(XmlFormatting lhs, XmlFormatting rhs);

  class XmlEncode {
  public:
    enum ForWhat {
      ForTextNodes,
      ForAttributes
    };

    XmlEncode(std::string const &str, ForWhat forWhat = ForTextNodes);

    void encodeTo(std::ostream &os) const;

    friend std::ostream &operator<<(std::ostream &os, XmlEncode const &xmlEncode);

  private:
    std::string m_str;
    ForWhat m_forWhat;
  };

  class XmlWriter {
  public:
    class ScopedElement {
    public:
      ScopedElement(XmlWriter *writer, XmlFormatting fmt);

      ScopedElement(ScopedElement &&other) noexcept;
      ScopedElement &operator=(ScopedElement &&other) noexcept;

      ~ScopedElement();

      ScopedElement &writeText(std::string const &text, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);

      template<typename T>
      ScopedElement &writeAttribute(std::string const &name, T const &attribute) {
        m_writer->writeAttribute(name, attribute);
        return *this;
      }

    private:
      mutable XmlWriter *m_writer = nullptr;
      XmlFormatting m_fmt;
    };

    XmlWriter(std::ostream &os = Catch::cout());
    ~XmlWriter();

    XmlWriter(XmlWriter const &) = delete;
    XmlWriter &operator=(XmlWriter const &) = delete;

    XmlWriter &startElement(std::string const &name, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);

    ScopedElement scopedElement(std::string const &name, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);

    XmlWriter &endElement(XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);

    XmlWriter &writeAttribute(std::string const &name, std::string const &attribute);

    XmlWriter &writeAttribute(std::string const &name, bool attribute);

    template<typename T>
    XmlWriter &writeAttribute(std::string const &name, T const &attribute) {
      ReusableStringStream rss;
      rss << attribute;
      return writeAttribute(name, rss.str());
    }

    XmlWriter &writeText(std::string const &text, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);

    XmlWriter &writeComment(std::string const &text, XmlFormatting fmt = XmlFormatting::Newline | XmlFormatting::Indent);

    void writeStylesheetRef(std::string const &url);

    XmlWriter &writeBlankLine();

    void ensureTagClosed();

  private:
    void applyFormatting(XmlFormatting fmt);

    void writeDeclaration();

    void newlineIfNecessary();

    bool m_tagIsOpen = false;
    bool m_needsNewline = false;
    std::vector<std::string> m_tags;
    std::string m_indent;
    std::ostream &m_os;
  };

} // namespace Catch

// end catch_xmlwriter.h
namespace Catch {
  class JunitReporter : public CumulativeReporterBase<JunitReporter> {
  public:
    JunitReporter(ReporterConfig const &_config);

    ~JunitReporter() override;

    static std::string getDescription();

    void noMatchingTestCases(std::string const & /*spec*/) override;

    void testRunStarting(TestRunInfo const &runInfo) override;

    void testGroupStarting(GroupInfo const &groupInfo) override;

    void testCaseStarting(TestCaseInfo const &testCaseInfo) override;
    bool assertionEnded(AssertionStats const &assertionStats) override;

    void testCaseEnded(TestCaseStats const &testCaseStats) override;

    void testGroupEnded(TestGroupStats const &testGroupStats) override;

    void testRunEndedCumulative() override;

    void writeGroup(TestGroupNode const &groupNode, double suiteTime);

    void writeTestCase(TestCaseNode const &testCaseNode);

    void writeSection(std::string const &className, std::string const &rootName, SectionNode const &sectionNode);

    void writeAssertions(SectionNode const &sectionNode);
    void writeAssertion(AssertionStats const &stats);

    XmlWriter xml;
    Timer suiteTimer;
    std::string stdOutForSuite;
    std::string stdErrForSuite;
    unsigned int unexpectedExceptions = 0;
    bool m_okToFail = false;
  };

} // end namespace Catch

// end catch_reporter_junit.h
// start catch_reporter_xml.h

namespace Catch {
  class XmlReporter : public StreamingReporterBase<XmlReporter> {
  public:
    XmlReporter(ReporterConfig const &_config);

    ~XmlReporter() override;

    static std::string getDescription();

    virtual std::string getStylesheetRef() const;

    void writeSourceInfo(SourceLineInfo const &sourceInfo);

  public: // StreamingReporterBase
    void noMatchingTestCases(std::string const &s) override;

    void testRunStarting(TestRunInfo const &testInfo) override;

    void testGroupStarting(GroupInfo const &groupInfo) override;

    void testCaseStarting(TestCaseInfo const &testInfo) override;

    void sectionStarting(SectionInfo const &sectionInfo) override;

    void assertionStarting(AssertionInfo const &) override;

    bool assertionEnded(AssertionStats const &assertionStats) override;

    void sectionEnded(SectionStats const &sectionStats) override;

    void testCaseEnded(TestCaseStats const &testCaseStats) override;

    void testGroupEnded(TestGroupStats const &testGroupStats) override;

    void testRunEnded(TestRunStats const &testRunStats) override;

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
    void benchmarkPreparing(std::string const &name) override;
    void benchmarkStarting(BenchmarkInfo const &) override;
    void benchmarkEnded(BenchmarkStats<> const &) override;
    void benchmarkFailed(std::string const &) override;
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

  private:
    Timer m_testCaseTimer;
    XmlWriter m_xml;
    int m_sectionDepth = 0;
  };

} // end namespace Catch

// end catch_reporter_xml.h

// end catch_external_interfaces.h
#endif

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
// start catch_benchmarking_all.hpp

// A proxy header that includes all of the benchmarking headers to allow
// concise include of the benchmarking features. You should prefer the
// individual includes in standard use.

// start catch_benchmark.hpp

// Benchmark

// start catch_chronometer.hpp

// User-facing chronometer

// start catch_clock.hpp

// Clocks

#include <chrono>
#include <ratio>

namespace Catch {
  namespace Benchmark {
    template<typename Clock>
    using ClockDuration = typename Clock::duration;
    template<typename Clock>
    using FloatDuration = std::chrono::duration<double, typename Clock::period>;

    template<typename Clock>
    using TimePoint = typename Clock::time_point;

    using default_clock = std::chrono::steady_clock;

    template<typename Clock>
    struct now {
      TimePoint<Clock> operator()() const { return Clock::now(); }
    };

    using fp_seconds = std::chrono::duration<double, std::ratio<1>>;
  } // namespace Benchmark
} // namespace Catch

// end catch_clock.hpp
// start catch_optimizer.hpp

// Hinting the optimizer

#if defined(_MSC_VER)
#include <atomic> // atomic_thread_fence
#endif

namespace Catch {
  namespace Benchmark {
#if defined(__GNUC__) || defined(__clang__)
    template<typename T>
    inline void keep_memory(T *p) {
      asm volatile(""
                   :
                   : "g"(p)
                   : "memory");
    }
    inline void keep_memory() {
      asm volatile(""
                   :
                   :
                   : "memory");
    }

    namespace Detail {
      inline void optimizer_barrier() {
        keep_memory();
      }
    } // namespace Detail
#elif defined(_MSC_VER)

#pragma optimize("", off)
    template<typename T>
    inline void keep_memory(T *p) {
      // thanks @milleniumbug
      *reinterpret_cast<char volatile *>(p) = *reinterpret_cast<char const volatile *>(p);
    }
// TODO equivalent keep_memory()
#pragma optimize("", on)

    namespace Detail {
      inline void optimizer_barrier() {
        std::atomic_thread_fence(std::memory_order_seq_cst);
      }
    } // namespace Detail

#endif

    template<typename T>
    inline void deoptimize_value(T &&x) {
      keep_memory(&x);
    }

    template<typename Fn, typename... Args>
    inline auto invoke_deoptimized(Fn &&fn, Args &&...args) -> typename std::enable_if<!std::is_same<void, decltype(fn(args...))>::value>::type {
      deoptimize_value(std::forward<Fn>(fn)(std::forward<Args...>(args...)));
    }

    template<typename Fn, typename... Args>
    inline auto invoke_deoptimized(Fn &&fn, Args &&...args) -> typename std::enable_if<std::is_same<void, decltype(fn(args...))>::value>::type {
      std::forward<Fn>(fn)(std::forward<Args...>(args...));
    }
  } // namespace Benchmark
} // namespace Catch

// end catch_optimizer.hpp
// start catch_complete_invoke.hpp

// Invoke with a special case for void

#include <type_traits>
#include <utility>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename T>
      struct CompleteType {
        using type = T;
      };
      template<>
      struct CompleteType<void> {
        struct type {
        };
      };

      template<typename T>
      using CompleteType_t = typename CompleteType<T>::type;

      template<typename Result>
      struct CompleteInvoker {
        template<typename Fun, typename... Args>
        static Result invoke(Fun &&fun, Args &&...args) {
          return std::forward<Fun>(fun)(std::forward<Args>(args)...);
        }
      };
      template<>
      struct CompleteInvoker<void> {
        template<typename Fun, typename... Args>
        static CompleteType_t<void> invoke(Fun &&fun, Args &&...args) {
          std::forward<Fun>(fun)(std::forward<Args>(args)...);
          return {};
        }
      };

      // invoke and not return void :(
      template<typename Fun, typename... Args>
      CompleteType_t<FunctionReturnType<Fun, Args...>> complete_invoke(Fun &&fun, Args &&...args) {
        return CompleteInvoker<FunctionReturnType<Fun, Args...>>::invoke(std::forward<Fun>(fun), std::forward<Args>(args)...);
      }

      const std::string benchmarkErrorMsg = "a benchmark failed to run successfully";
    } // namespace Detail

    template<typename Fun>
    Detail::CompleteType_t<FunctionReturnType<Fun>> user_code(Fun &&fun) {
      CATCH_TRY { return Detail::complete_invoke(std::forward<Fun>(fun)); }
      CATCH_CATCH_ALL {
        getResultCapture().benchmarkFailed(translateActiveException());
        CATCH_RUNTIME_ERROR(Detail::benchmarkErrorMsg);
      }
    }
  } // namespace Benchmark
} // namespace Catch

// end catch_complete_invoke.hpp
namespace Catch {
  namespace Benchmark {
    namespace Detail {
      struct ChronometerConcept {
        virtual void start() = 0;
        virtual void finish() = 0;
        virtual ~ChronometerConcept() = default;
      };
      template<typename Clock>
      struct ChronometerModel final : public ChronometerConcept {
        void start() override { started = Clock::now(); }
        void finish() override { finished = Clock::now(); }

        ClockDuration<Clock> elapsed() const { return finished - started; }

        TimePoint<Clock> started;
        TimePoint<Clock> finished;
      };
    } // namespace Detail

    struct Chronometer {
    public:
      template<typename Fun>
      void measure(Fun &&fun) {
        measure(std::forward<Fun>(fun), is_callable<Fun(int)>());
      }

      int runs() const { return k; }

      Chronometer(Detail::ChronometerConcept &meter, int k)
          : impl(&meter)
          , k(k) {
      }

    private:
      template<typename Fun>
      void measure(Fun &&fun, std::false_type) {
        measure([&fun](int) { return fun(); }, std::true_type());
      }

      template<typename Fun>
      void measure(Fun &&fun, std::true_type) {
        Detail::optimizer_barrier();
        impl->start();
        for (int i = 0; i < k; ++i)
          invoke_deoptimized(fun, i);
        impl->finish();
        Detail::optimizer_barrier();
      }

      Detail::ChronometerConcept *impl;
      int k;
    };
  } // namespace Benchmark
} // namespace Catch

// end catch_chronometer.hpp
// start catch_environment.hpp

// Environment information

namespace Catch {
  namespace Benchmark {
    template<typename Duration>
    struct EnvironmentEstimate {
      Duration mean;
      OutlierClassification outliers;

      template<typename Duration2>
      operator EnvironmentEstimate<Duration2>() const {
        return {mean, outliers};
      }
    };
    template<typename Clock>
    struct Environment {
      using clock_type = Clock;
      EnvironmentEstimate<FloatDuration<Clock>> clock_resolution;
      EnvironmentEstimate<FloatDuration<Clock>> clock_cost;
    };
  } // namespace Benchmark
} // namespace Catch

// end catch_environment.hpp
// start catch_execution_plan.hpp

// Execution plan

// start catch_benchmark_function.hpp

// Dumb std::function implementation for consistent call overhead

#include <cassert>
#include <memory>
#include <type_traits>
#include <utility>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename T>
      using Decay = typename std::decay<T>::type;
      template<typename T, typename U>
      struct is_related : std::is_same<Decay<T>, Decay<U>> {
      };

      /// We need to reinvent std::function because every piece of code that might add overhead
      /// in a measurement context needs to have consistent performance characteristics so that we
      /// can account for it in the measurement.
      /// Implementations of std::function with optimizations that aren't always applicable, like
      /// small buffer optimizations, are not uncommon.
      /// This is effectively an implementation of std::function without any such optimizations;
      /// it may be slow, but it is consistently slow.
      struct BenchmarkFunction {
      private:
        struct callable {
          virtual void call(Chronometer meter) const = 0;
          virtual callable *clone() const = 0;
          virtual ~callable() = default;
        };
        template<typename Fun>
        struct model : public callable {
          model(Fun &&fun)
              : fun(std::move(fun)) {
          }
          model(Fun const &fun)
              : fun(fun) {
          }

          model<Fun> *clone() const override { return new model<Fun>(*this); }

          void call(Chronometer meter) const override { call(meter, is_callable<Fun(Chronometer)>()); }
          void call(Chronometer meter, std::true_type) const { fun(meter); }
          void call(Chronometer meter, std::false_type) const { meter.measure(fun); }

          Fun fun;
        };

        struct do_nothing {
          void operator()() const {}
        };

        template<typename T>
        BenchmarkFunction(model<T> *c)
            : f(c) {
        }

      public:
        BenchmarkFunction()
            : f(new model<do_nothing>{{}}) {
        }

        template<typename Fun, typename std::enable_if<!is_related<Fun, BenchmarkFunction>::value, int>::type = 0>
        BenchmarkFunction(Fun &&fun)
            : f(new model<typename std::decay<Fun>::type>(std::forward<Fun>(fun))) {
        }

        BenchmarkFunction(BenchmarkFunction &&that)
            : f(std::move(that.f)) {
        }

        BenchmarkFunction(BenchmarkFunction const &that)
            : f(that.f->clone()) {
        }

        BenchmarkFunction &operator=(BenchmarkFunction &&that) {
          f = std::move(that.f);
          return *this;
        }

        BenchmarkFunction &operator=(BenchmarkFunction const &that) {
          f.reset(that.f->clone());
          return *this;
        }

        void operator()(Chronometer meter) const { f->call(meter); }

      private:
        std::unique_ptr<callable> f;
      };
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

// end catch_benchmark_function.hpp
// start catch_repeat.hpp

// repeat algorithm

#include <type_traits>
#include <utility>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename Fun>
      struct repeater {
        void operator()(int k) const {
          for (int i = 0; i < k; ++i) {
            fun();
          }
        }
        Fun fun;
      };
      template<typename Fun>
      repeater<typename std::decay<Fun>::type> repeat(Fun &&fun) {
        return {std::forward<Fun>(fun)};
      }
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

// end catch_repeat.hpp
// start catch_run_for_at_least.hpp

// Run a function for a minimum amount of time

// start catch_measure.hpp

// Measure

// start catch_timing.hpp

// Timing

#include <tuple>
#include <type_traits>

namespace Catch {
  namespace Benchmark {
    template<typename Duration, typename Result>
    struct Timing {
      Duration elapsed;
      Result result;
      int iterations;
    };
    template<typename Clock, typename Func, typename... Args>
    using TimingOf = Timing<ClockDuration<Clock>, Detail::CompleteType_t<FunctionReturnType<Func, Args...>>>;
  } // namespace Benchmark
} // namespace Catch

// end catch_timing.hpp
#include <utility>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename Clock, typename Fun, typename... Args>
      TimingOf<Clock, Fun, Args...> measure(Fun &&fun, Args &&...args) {
        auto start = Clock::now();
        auto &&r = Detail::complete_invoke(fun, std::forward<Args>(args)...);
        auto end = Clock::now();
        auto delta = end - start;
        return {delta, std::forward<decltype(r)>(r), 1};
      }
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

// end catch_measure.hpp
#include <type_traits>
#include <utility>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename Clock, typename Fun>
      TimingOf<Clock, Fun, int> measure_one(Fun &&fun, int iters, std::false_type) {
        return Detail::measure<Clock>(fun, iters);
      }
      template<typename Clock, typename Fun>
      TimingOf<Clock, Fun, Chronometer> measure_one(Fun &&fun, int iters, std::true_type) {
        Detail::ChronometerModel<Clock> meter;
        auto &&result = Detail::complete_invoke(fun, Chronometer(meter, iters));

        return {meter.elapsed(), std::move(result), iters};
      }

      template<typename Clock, typename Fun>
      using run_for_at_least_argument_t = typename std::conditional<is_callable<Fun(Chronometer)>::value, Chronometer, int>::type;

      struct optimized_away_error : std::exception {
        const char *what() const noexcept override { return "could not measure benchmark, maybe it was optimized away"; }
      };

      template<typename Clock, typename Fun>
      TimingOf<Clock, Fun, run_for_at_least_argument_t<Clock, Fun>> run_for_at_least(ClockDuration<Clock> how_long, int seed, Fun &&fun) {
        auto iters = seed;
        while (iters < (1 << 30)) {
          auto &&Timing = measure_one<Clock>(fun, iters, is_callable<Fun(Chronometer)>());

          if (Timing.elapsed >= how_long) {
            return {Timing.elapsed, std::move(Timing.result), iters};
          }
          iters *= 2;
        }
        throw optimized_away_error{};
      }
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

// end catch_run_for_at_least.hpp
#include <algorithm>

namespace Catch {
  namespace Benchmark {
    template<typename Duration>
    struct ExecutionPlan {
      int iterations_per_sample;
      Duration estimated_duration;
      Detail::BenchmarkFunction benchmark;
      Duration warmup_time;
      int warmup_iterations;

      template<typename Duration2>
      operator ExecutionPlan<Duration2>() const {
        return {iterations_per_sample, estimated_duration, benchmark, warmup_time, warmup_iterations};
      }

      template<typename Clock>
      std::vector<FloatDuration<Clock>> run(const IConfig &cfg, Environment<FloatDuration<Clock>> env) const {
        // warmup a bit
        Detail::run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(warmup_time),
                                        warmup_iterations,
                                        Detail::repeat(now<Clock>{}));

        std::vector<FloatDuration<Clock>> times;
        times.reserve(cfg.benchmarkSamples());
        std::generate_n(std::back_inserter(times), cfg.benchmarkSamples(), [this, env] {
          Detail::ChronometerModel<Clock> model;
          this->benchmark(Chronometer(model, iterations_per_sample));
          auto sample_time = model.elapsed() - env.clock_cost.mean;
          if (sample_time < FloatDuration<Clock>::zero())
            sample_time = FloatDuration<Clock>::zero();
          return sample_time / iterations_per_sample;
        });
        return times;
      }
    };
  } // namespace Benchmark
} // namespace Catch

// end catch_execution_plan.hpp
// start catch_estimate_clock.hpp

// Environment measurement

// start catch_stats.hpp

// Statistical analysis tools

#include <algorithm>
#include <cmath>
#include <cstddef>
#include <functional>
#include <iterator>
#include <numeric>
#include <random>
#include <tuple>
#include <utility>
#include <vector>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      using sample = std::vector<double>;

      double weighted_average_quantile(int k, int q, std::vector<double>::iterator first, std::vector<double>::iterator last);

      template<typename Iterator>
      OutlierClassification classify_outliers(Iterator first, Iterator last) {
        std::vector<double> copy(first, last);

        auto q1 = weighted_average_quantile(1, 4, copy.begin(), copy.end());
        auto q3 = weighted_average_quantile(3, 4, copy.begin(), copy.end());
        auto iqr = q3 - q1;
        auto los = q1 - (iqr * 3.);
        auto lom = q1 - (iqr * 1.5);
        auto him = q3 + (iqr * 1.5);
        auto his = q3 + (iqr * 3.);

        OutlierClassification o;
        for (; first != last; ++first) {
          auto &&t = *first;
          if (t < los)
            ++o.low_severe;
          else if (t < lom)
            ++o.low_mild;
          else if (t > his)
            ++o.high_severe;
          else if (t > him)
            ++o.high_mild;
          ++o.samples_seen;
        }
        return o;
      }

      template<typename Iterator>
      double mean(Iterator first, Iterator last) {
        auto count = last - first;
        double sum = std::accumulate(first, last, 0.);
        return sum / count;
      }

      template<typename URng, typename Iterator, typename Estimator>
      sample resample(URng &rng, int resamples, Iterator first, Iterator last, Estimator &estimator) {
        auto n = last - first;
        std::uniform_int_distribution<decltype(n)> dist(0, n - 1);

        sample out;
        out.reserve(resamples);
        std::generate_n(std::back_inserter(out), resamples, [n, first, &estimator, &dist, &rng] {
          std::vector<double> resampled;
          resampled.reserve(n);
          std::generate_n(std::back_inserter(resampled), n, [first, &dist, &rng] { return first[dist(rng)]; });
          return estimator(resampled.begin(), resampled.end());
        });
        std::sort(out.begin(), out.end());
        return out;
      }

      template<typename Estimator, typename Iterator>
      sample jackknife(Estimator &&estimator, Iterator first, Iterator last) {
        auto n = last - first;
        auto second = std::next(first);
        sample results;
        results.reserve(n);

        for (auto it = first; it != last; ++it) {
          std::iter_swap(it, first);
          results.push_back(estimator(second, last));
        }

        return results;
      }

      inline double normal_cdf(double x) {
        return std::erfc(-x / std::sqrt(2.0)) / 2.0;
      }

      double erfc_inv(double x);

      double normal_quantile(double p);

      template<typename Iterator, typename Estimator>
      Estimate<double> bootstrap(double confidence_level, Iterator first, Iterator last, sample const &resample, Estimator &&estimator) {
        auto n_samples = last - first;

        double point = estimator(first, last);
        // Degenerate case with a single sample
        if (n_samples == 1)
          return {point, point, point, confidence_level};

        sample jack = jackknife(estimator, first, last);
        double jack_mean = mean(jack.begin(), jack.end());
        double sum_squares, sum_cubes;
        std::tie(sum_squares, sum_cubes) = std::accumulate(jack.begin(),
                                                           jack.end(),
                                                           std::make_pair(0., 0.),
                                                           [jack_mean](std::pair<double, double> sqcb, double x) -> std::pair<double, double> {
                                                             auto d = jack_mean - x;
                                                             auto d2 = d * d;
                                                             auto d3 = d2 * d;
                                                             return {sqcb.first + d2, sqcb.second + d3};
                                                           });

        double accel = sum_cubes / (6 * std::pow(sum_squares, 1.5));
        int n = static_cast<int>(resample.size());
        double prob_n = std::count_if(resample.begin(), resample.end(), [point](double x) { return x < point; }) / (double)n;
        // degenerate case with uniform samples
        if (prob_n == 0)
          return {point, point, point, confidence_level};

        double bias = normal_quantile(prob_n);
        double z1 = normal_quantile((1. - confidence_level) / 2.);

        auto cumn = [n](double x) -> int { return std::lround(normal_cdf(x) * n); };
        auto a = [bias, accel](double b) { return bias + b / (1. - accel * b); };
        double b1 = bias + z1;
        double b2 = bias - z1;
        double a1 = a(b1);
        double a2 = a(b2);
        auto lo = (std::max)(cumn(a1), 0);
        auto hi = (std::min)(cumn(a2), n - 1);

        return {point, resample[lo], resample[hi], confidence_level};
      }

      double outlier_variance(Estimate<double> mean, Estimate<double> stddev, int n);

      struct bootstrap_analysis {
        Estimate<double> mean;
        Estimate<double> standard_deviation;
        double outlier_variance;
      };

      bootstrap_analysis
      analyse_samples(double confidence_level, int n_resamples, std::vector<double>::iterator first, std::vector<double>::iterator last);
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

// end catch_stats.hpp
#include <algorithm>
#include <cmath>
#include <iterator>
#include <tuple>
#include <vector>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename Clock>
      std::vector<double> resolution(int k) {
        std::vector<TimePoint<Clock>> times;
        times.reserve(k + 1);
        std::generate_n(std::back_inserter(times), k + 1, now<Clock>{});

        std::vector<double> deltas;
        deltas.reserve(k);
        std::transform(std::next(times.begin()), times.end(), times.begin(), std::back_inserter(deltas), [](TimePoint<Clock> a, TimePoint<Clock> b) {
          return static_cast<double>((a - b).count());
        });

        return deltas;
      }

      const auto warmup_iterations = 10000;
      const auto warmup_time = std::chrono::milliseconds(100);
      const auto minimum_ticks = 1000;
      const auto warmup_seed = 10000;
      const auto clock_resolution_estimation_time = std::chrono::milliseconds(500);
      const auto clock_cost_estimation_time_limit = std::chrono::seconds(1);
      const auto clock_cost_estimation_tick_limit = 100000;
      const auto clock_cost_estimation_time = std::chrono::milliseconds(10);
      const auto clock_cost_estimation_iterations = 10000;

      template<typename Clock>
      int warmup() {
        return run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(warmup_time), warmup_seed, &resolution<Clock>).iterations;
      }
      template<typename Clock>
      EnvironmentEstimate<FloatDuration<Clock>> estimate_clock_resolution(int iterations) {
        auto r = run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(clock_resolution_estimation_time),
                                         iterations,
                                         &resolution<Clock>)
                     .result;
        return {
            FloatDuration<Clock>(mean(r.begin(), r.end())),
            classify_outliers(r.begin(), r.end()),
        };
      }
      template<typename Clock>
      EnvironmentEstimate<FloatDuration<Clock>> estimate_clock_cost(FloatDuration<Clock> resolution) {
        auto time_limit = (std::min)(resolution * clock_cost_estimation_tick_limit, FloatDuration<Clock>(clock_cost_estimation_time_limit));
        auto time_clock = [](int k) {
          return Detail::measure<Clock>([k] {
                   for (int i = 0; i < k; ++i) {
                     volatile auto ignored = Clock::now();
                     (void)ignored;
                   }
                 })
              .elapsed;
        };
        time_clock(1);
        int iters = clock_cost_estimation_iterations;
        auto &&r = run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(clock_cost_estimation_time), iters, time_clock);
        std::vector<double> times;
        int nsamples = static_cast<int>(std::ceil(time_limit / r.elapsed));
        times.reserve(nsamples);
        std::generate_n(std::back_inserter(times), nsamples, [time_clock, &r] {
          return static_cast<double>((time_clock(r.iterations) / r.iterations).count());
        });
        return {
            FloatDuration<Clock>(mean(times.begin(), times.end())),
            classify_outliers(times.begin(), times.end()),
        };
      }

      template<typename Clock>
      Environment<FloatDuration<Clock>> measure_environment() {
        static Environment<FloatDuration<Clock>> *env = nullptr;
        if (env) {
          return *env;
        }

        auto iters = Detail::warmup<Clock>();
        auto resolution = Detail::estimate_clock_resolution<Clock>(iters);
        auto cost = Detail::estimate_clock_cost<Clock>(resolution.mean);

        env = new Environment<FloatDuration<Clock>>{resolution, cost};
        return *env;
      }
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

// end catch_estimate_clock.hpp
// start catch_analyse.hpp

// Run and analyse one benchmark

// start catch_sample_analysis.hpp

// Benchmark results

#include <algorithm>
#include <iterator>
#include <string>
#include <vector>

namespace Catch {
  namespace Benchmark {
    template<typename Duration>
    struct SampleAnalysis {
      std::vector<Duration> samples;
      Estimate<Duration> mean;
      Estimate<Duration> standard_deviation;
      OutlierClassification outliers;
      double outlier_variance;

      template<typename Duration2>
      operator SampleAnalysis<Duration2>() const {
        std::vector<Duration2> samples2;
        samples2.reserve(samples.size());
        std::transform(samples.begin(), samples.end(), std::back_inserter(samples2), [](Duration d) { return Duration2(d); });
        return {
            std::move(samples2),
            mean,
            standard_deviation,
            outliers,
            outlier_variance,
        };
      }
    };
  } // namespace Benchmark
} // namespace Catch

// end catch_sample_analysis.hpp
#include <algorithm>
#include <iterator>
#include <vector>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename Duration, typename Iterator>
      SampleAnalysis<Duration> analyse(const IConfig &cfg, Environment<Duration>, Iterator first, Iterator last) {
        if (!cfg.benchmarkNoAnalysis()) {
          std::vector<double> samples;
          samples.reserve(last - first);
          std::transform(first, last, std::back_inserter(samples), [](Duration d) { return d.count(); });

          auto analysis = Catch::Benchmark::Detail::analyse_samples(cfg.benchmarkConfidenceInterval(),
                                                                    cfg.benchmarkResamples(),
                                                                    samples.begin(),
                                                                    samples.end());
          auto outliers = Catch::Benchmark::Detail::classify_outliers(samples.begin(), samples.end());

          auto wrap_estimate = [](Estimate<double> e) {
            return Estimate<Duration>{
                Duration(e.point),
                Duration(e.lower_bound),
                Duration(e.upper_bound),
                e.confidence_interval,
            };
          };
          std::vector<Duration> samples2;
          samples2.reserve(samples.size());
          std::transform(samples.begin(), samples.end(), std::back_inserter(samples2), [](double d) { return Duration(d); });
          return {
              std::move(samples2),
              wrap_estimate(analysis.mean),
              wrap_estimate(analysis.standard_deviation),
              outliers,
              analysis.outlier_variance,
          };
        } else {
          std::vector<Duration> samples;
          samples.reserve(last - first);

          Duration mean = Duration(0);
          int i = 0;
          for (auto it = first; it < last; ++it, ++i) {
            samples.push_back(Duration(*it));
            mean += Duration(*it);
          }
          mean /= i;

          return {std::move(samples),
                  Estimate<Duration>{mean, mean, mean, 0.0},
                  Estimate<Duration>{Duration(0), Duration(0), Duration(0), 0.0},
                  OutlierClassification{},
                  0.0};
        }
      }
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

// end catch_analyse.hpp
#include <algorithm>
#include <cmath>
#include <functional>
#include <string>
#include <vector>

namespace Catch {
  namespace Benchmark {
    struct Benchmark {
      Benchmark(std::string &&name)
          : name(std::move(name)) {
      }

      template<class FUN>
      Benchmark(std::string &&name, FUN &&func)
          : fun(std::move(func))
          , name(std::move(name)) {
      }

      template<typename Clock>
      ExecutionPlan<FloatDuration<Clock>> prepare(const IConfig &cfg, Environment<FloatDuration<Clock>> env) const {
        auto min_time = env.clock_resolution.mean * Detail::minimum_ticks;
        auto run_time = std::max(min_time, std::chrono::duration_cast<decltype(min_time)>(cfg.benchmarkWarmupTime()));
        auto &&test = Detail::run_for_at_least<Clock>(std::chrono::duration_cast<ClockDuration<Clock>>(run_time), 1, fun);
        int new_iters = static_cast<int>(std::ceil(min_time * test.iterations / test.elapsed));
        return {new_iters,
                test.elapsed / test.iterations * new_iters * cfg.benchmarkSamples(),
                fun,
                std::chrono::duration_cast<FloatDuration<Clock>>(cfg.benchmarkWarmupTime()),
                Detail::warmup_iterations};
      }

      template<typename Clock = default_clock>
      void run() {
        IConfigPtr cfg = getCurrentContext().getConfig();

        auto env = Detail::measure_environment<Clock>();

        getResultCapture().benchmarkPreparing(name);
        CATCH_TRY {
          auto plan = user_code([&] { return prepare<Clock>(*cfg, env); });

          BenchmarkInfo info{name,
                             plan.estimated_duration.count(),
                             plan.iterations_per_sample,
                             cfg->benchmarkSamples(),
                             cfg->benchmarkResamples(),
                             env.clock_resolution.mean.count(),
                             env.clock_cost.mean.count()};

          getResultCapture().benchmarkStarting(info);

          auto samples = user_code([&] { return plan.template run<Clock>(*cfg, env); });

          auto analysis = Detail::analyse(*cfg, env, samples.begin(), samples.end());
          BenchmarkStats<FloatDuration<Clock>> stats{info,
                                                     analysis.samples,
                                                     analysis.mean,
                                                     analysis.standard_deviation,
                                                     analysis.outliers,
                                                     analysis.outlier_variance};
          getResultCapture().benchmarkEnded(stats);
        }
        CATCH_CATCH_ALL {
          if (translateActiveException() != Detail::benchmarkErrorMsg) // benchmark errors have been reported, otherwise rethrow.
            std::rethrow_exception(std::current_exception());
        }
      }

      // sets lambda to be used in fun *and* executes benchmark!
      template<typename Fun, typename std::enable_if<!Detail::is_related<Fun, Benchmark>::value, int>::type = 0>
      Benchmark &operator=(Fun func) {
        fun = Detail::BenchmarkFunction(func);
        run();
        return *this;
      }

      explicit operator bool() { return true; }

    private:
      Detail::BenchmarkFunction fun;
      std::string name;
    };
  } // namespace Benchmark
} // namespace Catch

#define INTERNAL_CATCH_GET_1_ARG(arg1, arg2, ...) arg1
#define INTERNAL_CATCH_GET_2_ARG(arg1, arg2, ...) arg2

#define INTERNAL_CATCH_BENCHMARK(BenchmarkName, name, benchmarkIndex) \
  if (Catch::Benchmark::Benchmark BenchmarkName{name})                \
  BenchmarkName = [&](int benchmarkIndex)

#define INTERNAL_CATCH_BENCHMARK_ADVANCED(BenchmarkName, name) \
  if (Catch::Benchmark::Benchmark BenchmarkName{name})         \
  BenchmarkName = [&]

// end catch_benchmark.hpp
// start catch_constructor.hpp

// Constructor and destructor helpers

#include <type_traits>

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      template<typename T, bool Destruct>
      struct ObjectStorage {
        using TStorage = typename std::aligned_storage<sizeof(T), std::alignment_of<T>::value>::type;

        ObjectStorage()
            : data() {
        }

        ObjectStorage(const ObjectStorage &other) { new (&data) T(other.stored_object()); }

        ObjectStorage(ObjectStorage &&other) { new (&data) T(std::move(other.stored_object())); }

        ~ObjectStorage() { destruct_on_exit<T>(); }

        template<typename... Args>
        void construct(Args &&...args) {
          new (&data) T(std::forward<Args>(args)...);
        }

        template<bool AllowManualDestruction = !Destruct>
        typename std::enable_if<AllowManualDestruction>::type destruct() {
          stored_object().~T();
        }

      private:
        // If this is a constructor benchmark, destruct the underlying object
        template<typename U>
        void destruct_on_exit(typename std::enable_if<Destruct, U>::type * = 0) {
          destruct<true>();
        }
        // Otherwise, don't
        template<typename U>
        void destruct_on_exit(typename std::enable_if<!Destruct, U>::type * = 0) {
        }

        T &stored_object() { return *static_cast<T *>(static_cast<void *>(&data)); }

        T const &stored_object() const { return *static_cast<T *>(static_cast<void *>(&data)); }

        TStorage data;
      };
    } // namespace Detail

    template<typename T>
    using storage_for = Detail::ObjectStorage<T, true>;

    template<typename T>
    using destructable_object = Detail::ObjectStorage<T, false>;
  } // namespace Benchmark
} // namespace Catch

// end catch_constructor.hpp
// end catch_benchmarking_all.hpp
#endif

#endif // ! CATCH_CONFIG_IMPL_ONLY

#ifdef CATCH_IMPL
// start catch_impl.hpp

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wweak-vtables"
#endif

// Keep these here for external reporters
// start catch_test_case_tracker.h

#include <memory>
#include <string>
#include <vector>

namespace Catch {
  namespace TestCaseTracking {
    struct NameAndLocation {
      std::string name;
      SourceLineInfo location;

      NameAndLocation(std::string const &_name, SourceLineInfo const &_location);
      friend bool operator==(NameAndLocation const &lhs, NameAndLocation const &rhs) {
        return lhs.name == rhs.name && lhs.location == rhs.location;
      }
    };

    class ITracker;

    using ITrackerPtr = std::shared_ptr<ITracker>;

    class ITracker {
      NameAndLocation m_nameAndLocation;

    public:
      ITracker(NameAndLocation const &nameAndLoc)
          : m_nameAndLocation(nameAndLoc) {
      }

      // static queries
      NameAndLocation const &nameAndLocation() const { return m_nameAndLocation; }

      virtual ~ITracker();

      // dynamic queries
      virtual bool isComplete() const = 0; // Successfully completed or failed
      virtual bool isSuccessfullyCompleted() const = 0;
      virtual bool isOpen() const = 0; // Started but not complete
      virtual bool hasChildren() const = 0;
      virtual bool hasStarted() const = 0;

      virtual ITracker &parent() = 0;

      // actions
      virtual void close() = 0; // Successfully complete
      virtual void fail() = 0;
      virtual void markAsNeedingAnotherRun() = 0;

      virtual void addChild(ITrackerPtr const &child) = 0;
      virtual ITrackerPtr findChild(NameAndLocation const &nameAndLocation) = 0;
      virtual void openChild() = 0;

      // Debug/ checking
      virtual bool isSectionTracker() const = 0;
      virtual bool isGeneratorTracker() const = 0;
    };

    class TrackerContext {
      enum RunState {
        NotStarted,
        Executing,
        CompletedCycle
      };

      ITrackerPtr m_rootTracker;
      ITracker *m_currentTracker = nullptr;
      RunState m_runState = NotStarted;

    public:
      ITracker &startRun();
      void endRun();

      void startCycle();
      void completeCycle();

      bool completedCycle() const;
      ITracker &currentTracker();
      void setCurrentTracker(ITracker *tracker);
    };

    class TrackerBase : public ITracker {
    protected:
      enum CycleState {
        NotStarted,
        Executing,
        ExecutingChildren,
        NeedsAnotherRun,
        CompletedSuccessfully,
        Failed
      };

      using Children = std::vector<ITrackerPtr>;
      TrackerContext &m_ctx;
      ITracker *m_parent;
      Children m_children;
      CycleState m_runState = NotStarted;

    public:
      TrackerBase(NameAndLocation const &nameAndLocation, TrackerContext &ctx, ITracker *parent);

      bool isComplete() const override;
      bool isSuccessfullyCompleted() const override;
      bool isOpen() const override;
      bool hasChildren() const override;
      bool hasStarted() const override { return m_runState != NotStarted; }

      void addChild(ITrackerPtr const &child) override;

      ITrackerPtr findChild(NameAndLocation const &nameAndLocation) override;
      ITracker &parent() override;

      void openChild() override;

      bool isSectionTracker() const override;
      bool isGeneratorTracker() const override;

      void open();

      void close() override;
      void fail() override;
      void markAsNeedingAnotherRun() override;

    private:
      void moveToParent();
      void moveToThis();
    };

    class SectionTracker : public TrackerBase {
      std::vector<std::string> m_filters;
      std::string m_trimmed_name;

    public:
      SectionTracker(NameAndLocation const &nameAndLocation, TrackerContext &ctx, ITracker *parent);

      bool isSectionTracker() const override;

      bool isComplete() const override;

      static SectionTracker &acquire(TrackerContext &ctx, NameAndLocation const &nameAndLocation);

      void tryOpen();

      void addInitialFilters(std::vector<std::string> const &filters);
      void addNextFilters(std::vector<std::string> const &filters);
      //! Returns filters active in this tracker
      std::vector<std::string> const &getFilters() const;
      //! Returns whitespace-trimmed name of the tracked section
      std::string const &trimmedName() const;
    };

  } // namespace TestCaseTracking

  using TestCaseTracking::ITracker;
  using TestCaseTracking::SectionTracker;
  using TestCaseTracking::TrackerContext;

} // namespace Catch

// end catch_test_case_tracker.h

// start catch_leak_detector.h

namespace Catch {
  struct LeakDetector {
    LeakDetector();
    ~LeakDetector();
  };

} // namespace Catch
// end catch_leak_detector.h
// Cpp files will be included in the single-header file here
// start catch_stats.cpp

// Statistical analysis tools

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)

#include <cassert>
#include <random>

#if defined(CATCH_CONFIG_USE_ASYNC)
#include <future>
#endif

namespace {
  double erf_inv(double x) {
    // Code accompanying the article "Approximating the erfinv function" in GPU Computing Gems, Volume 2
    double w, p;

    w = -log((1.0 - x) * (1.0 + x));

    if (w < 6.250000) {
      w = w - 3.125000;
      p = -3.6444120640178196996e-21;
      p = -1.685059138182016589e-19 + p * w;
      p = 1.2858480715256400167e-18 + p * w;
      p = 1.115787767802518096e-17 + p * w;
      p = -1.333171662854620906e-16 + p * w;
      p = 2.0972767875968561637e-17 + p * w;
      p = 6.6376381343583238325e-15 + p * w;
      p = -4.0545662729752068639e-14 + p * w;
      p = -8.1519341976054721522e-14 + p * w;
      p = 2.6335093153082322977e-12 + p * w;
      p = -1.2975133253453532498e-11 + p * w;
      p = -5.4154120542946279317e-11 + p * w;
      p = 1.051212273321532285e-09 + p * w;
      p = -4.1126339803469836976e-09 + p * w;
      p = -2.9070369957882005086e-08 + p * w;
      p = 4.2347877827932403518e-07 + p * w;
      p = -1.3654692000834678645e-06 + p * w;
      p = -1.3882523362786468719e-05 + p * w;
      p = 0.0001867342080340571352 + p * w;
      p = -0.00074070253416626697512 + p * w;
      p = -0.0060336708714301490533 + p * w;
      p = 0.24015818242558961693 + p * w;
      p = 1.6536545626831027356 + p * w;
    } else if (w < 16.000000) {
      w = sqrt(w) - 3.250000;
      p = 2.2137376921775787049e-09;
      p = 9.0756561938885390979e-08 + p * w;
      p = -2.7517406297064545428e-07 + p * w;
      p = 1.8239629214389227755e-08 + p * w;
      p = 1.5027403968909827627e-06 + p * w;
      p = -4.013867526981545969e-06 + p * w;
      p = 2.9234449089955446044e-06 + p * w;
      p = 1.2475304481671778723e-05 + p * w;
      p = -4.7318229009055733981e-05 + p * w;
      p = 6.8284851459573175448e-05 + p * w;
      p = 2.4031110387097893999e-05 + p * w;
      p = -0.0003550375203628474796 + p * w;
      p = 0.00095328937973738049703 + p * w;
      p = -0.0016882755560235047313 + p * w;
      p = 0.0024914420961078508066 + p * w;
      p = -0.0037512085075692412107 + p * w;
      p = 0.005370914553590063617 + p * w;
      p = 1.0052589676941592334 + p * w;
      p = 3.0838856104922207635 + p * w;
    } else {
      w = sqrt(w) - 5.000000;
      p = -2.7109920616438573243e-11;
      p = -2.5556418169965252055e-10 + p * w;
      p = 1.5076572693500548083e-09 + p * w;
      p = -3.7894654401267369937e-09 + p * w;
      p = 7.6157012080783393804e-09 + p * w;
      p = -1.4960026627149240478e-08 + p * w;
      p = 2.9147953450901080826e-08 + p * w;
      p = -6.7711997758452339498e-08 + p * w;
      p = 2.2900482228026654717e-07 + p * w;
      p = -9.9298272942317002539e-07 + p * w;
      p = 4.5260625972231537039e-06 + p * w;
      p = -1.9681778105531670567e-05 + p * w;
      p = 7.5995277030017761139e-05 + p * w;
      p = -0.00021503011930044477347 + p * w;
      p = -0.00013871931833623122026 + p * w;
      p = 1.0103004648645343977 + p * w;
      p = 4.8499064014085844221 + p * w;
    }
    return p * x;
  }

  double standard_deviation(std::vector<double>::iterator first, std::vector<double>::iterator last) {
    auto m = Catch::Benchmark::Detail::mean(first, last);
    double variance = std::accumulate(first,
                                      last,
                                      0.,
                                      [m](double a, double b) {
                                        double diff = b - m;
                                        return a + diff * diff;
                                      })
        / (last - first);
    return std::sqrt(variance);
  }

} // namespace

namespace Catch {
  namespace Benchmark {
    namespace Detail {
      double weighted_average_quantile(int k, int q, std::vector<double>::iterator first, std::vector<double>::iterator last) {
        auto count = last - first;
        double idx = (count - 1) * k / static_cast<double>(q);
        int j = static_cast<int>(idx);
        double g = idx - j;
        std::nth_element(first, first + j, last);
        auto xj = first[j];
        if (g == 0)
          return xj;

        auto xj1 = *std::min_element(first + (j + 1), last);
        return xj + g * (xj1 - xj);
      }

      double erfc_inv(double x) {
        return erf_inv(1.0 - x);
      }

      double normal_quantile(double p) {
        static const double ROOT_TWO = std::sqrt(2.0);

        double result = 0.0;
        assert(p >= 0 && p <= 1);
        if (p < 0 || p > 1) {
          return result;
        }

        result = -erfc_inv(2.0 * p);
        // result *= normal distribution standard deviation (1.0) * sqrt(2)
        result *= /*sd * */ ROOT_TWO;
        // result += normal disttribution mean (0)
        return result;
      }

      double outlier_variance(Estimate<double> mean, Estimate<double> stddev, int n) {
        double sb = stddev.point;
        double mn = mean.point / n;
        double mg_min = mn / 2.;
        double sg = (std::min)(mg_min / 4., sb / std::sqrt(n));
        double sg2 = sg * sg;
        double sb2 = sb * sb;

        auto c_max = [n, mn, sb2, sg2](double x) -> double {
          double k = mn - x;
          double d = k * k;
          double nd = n * d;
          double k0 = -n * nd;
          double k1 = sb2 - n * sg2 + nd;
          double det = k1 * k1 - 4 * sg2 * k0;
          return (int)(-2. * k0 / (k1 + std::sqrt(det)));
        };

        auto var_out = [n, sb2, sg2](double c) {
          double nc = n - c;
          return (nc / n) * (sb2 - nc * sg2);
        };

        return (std::min)(var_out(1), var_out((std::min)(c_max(0.), c_max(mg_min)))) / sb2;
      }

      bootstrap_analysis
      analyse_samples(double confidence_level, int n_resamples, std::vector<double>::iterator first, std::vector<double>::iterator last) {
        CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
        CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
        static std::random_device entropy;
        CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION

        auto n = static_cast<int>(last - first); // seriously, one can't use integral types without hell in C++

        auto mean = &Detail::mean<std::vector<double>::iterator>;
        auto stddev = &standard_deviation;

#if defined(CATCH_CONFIG_USE_ASYNC)
        auto Estimate = [=](double (*f)(std::vector<double>::iterator, std::vector<double>::iterator)) {
          auto seed = entropy();
          return std::async(std::launch::async, [=] {
            std::mt19937 rng(seed);
            auto resampled = resample(rng, n_resamples, first, last, f);
            return bootstrap(confidence_level, first, last, resampled, f);
          });
        };

        auto mean_future = Estimate(mean);
        auto stddev_future = Estimate(stddev);

        auto mean_estimate = mean_future.get();
        auto stddev_estimate = stddev_future.get();
#else
        auto Estimate = [=](double (*f)(std::vector<double>::iterator, std::vector<double>::iterator)) {
          auto seed = entropy();
          std::mt19937 rng(seed);
          auto resampled = resample(rng, n_resamples, first, last, f);
          return bootstrap(confidence_level, first, last, resampled, f);
        };

        auto mean_estimate = Estimate(mean);
        auto stddev_estimate = Estimate(stddev);
#endif // CATCH_USE_ASYNC

        double outlier_variance = Detail::outlier_variance(mean_estimate, stddev_estimate, n);

        return {mean_estimate, stddev_estimate, outlier_variance};
      }
    } // namespace Detail
  } // namespace Benchmark
} // namespace Catch

#endif // CATCH_CONFIG_ENABLE_BENCHMARKING \
    // end catch_stats.cpp
// start catch_approx.cpp

#include <cmath>
#include <limits>

namespace {
  // Performs equivalent check of std::fabs(lhs - rhs) <= margin
  // But without the subtraction to allow for INFINITY in comparison
  bool marginComparison(double lhs, double rhs, double margin) {
    return (lhs + margin >= rhs) && (rhs + margin >= lhs);
  }

} // namespace

namespace Catch {
  namespace Detail {
    Approx::Approx(double value)
        : m_epsilon(std::numeric_limits<float>::epsilon() * 100)
        , m_margin(0.0)
        , m_scale(0.0)
        , m_value(value) {
    }

    Approx Approx::custom() {
      return Approx(0);
    }

    Approx Approx::operator-() const {
      auto temp(*this);
      temp.m_value = -temp.m_value;
      return temp;
    }

    std::string Approx::toString() const {
      ReusableStringStream rss;
      rss << "Approx( " << ::Catch::Detail::stringify(m_value) << " )";
      return rss.str();
    }

    bool Approx::equalityComparisonImpl(const double other) const {
      // First try with fixed margin, then compute margin based on epsilon, scale and Approx's value
      // Thanks to Richard Harris for his help refining the scaled margin value
      return marginComparison(m_value, other, m_margin)
          || marginComparison(m_value, other, m_epsilon * (m_scale + std::fabs(std::isinf(m_value) ? 0 : m_value)));
    }

    void Approx::setMargin(double newMargin) {
      CATCH_ENFORCE(newMargin >= 0, "Invalid Approx::margin: " << newMargin << '.' << " Approx::Margin has to be non-negative.");
      m_margin = newMargin;
    }

    void Approx::setEpsilon(double newEpsilon) {
      CATCH_ENFORCE(newEpsilon >= 0 && newEpsilon <= 1.0,
                    "Invalid Approx::epsilon: " << newEpsilon << '.' << " Approx::epsilon has to be in [0, 1]");
      m_epsilon = newEpsilon;
    }

  } // end namespace Detail

  namespace literals {
    Detail::Approx operator"" _a(long double val) {
      return Detail::Approx(val);
    }
    Detail::Approx operator"" _a(unsigned long long val) {
      return Detail::Approx(val);
    }
  } // end namespace literals

  std::string StringMaker<Catch::Detail::Approx>::convert(Catch::Detail::Approx const &value) {
    return value.toString();
  }

} // end namespace Catch
// end catch_approx.cpp
// start catch_assertionhandler.cpp

// start catch_debugger.h

namespace Catch {
  bool isDebuggerActive();
}

#ifdef CATCH_PLATFORM_MAC

#if defined(__i386__) || defined(__x86_64__)
#define CATCH_TRAP() __asm__("int $3\n" \
                             :          \
                             :) /* NOLINT */
#elif defined(__aarch64__)
#define CATCH_TRAP() __asm__(".inst 0xd4200000")
#endif

#elif defined(CATCH_PLATFORM_IPHONE)

// use inline assembler
#if defined(__i386__) || defined(__x86_64__)
#define CATCH_TRAP() __asm__("int $3")
#elif defined(__aarch64__)
#define CATCH_TRAP() __asm__(".inst 0xd4200000")
#elif defined(__arm__) && !defined(__thumb__)
#define CATCH_TRAP() __asm__(".inst 0xe7f001f0")
#elif defined(__arm__) && defined(__thumb__)
#define CATCH_TRAP() __asm__(".inst 0xde01")
#endif

#elif defined(CATCH_PLATFORM_LINUX)
// If we can use inline assembler, do it because this allows us to break
// directly at the location of the failing check instead of breaking inside
// raise() called from it, i.e. one stack frame below.
#if defined(__GNUC__) && (defined(__i386) || defined(__x86_64))
#define CATCH_TRAP() asm volatile("int $3") /* NOLINT */
#else // Fall back to the generic way.
#include <signal.h>

#define CATCH_TRAP() raise(SIGTRAP)
#endif
#elif defined(_MSC_VER)
#define CATCH_TRAP() __debugbreak()
#elif defined(__MINGW32__)
extern "C" __declspec(dllimport) void __stdcall DebugBreak();
#define CATCH_TRAP() DebugBreak()
#endif

#ifndef CATCH_BREAK_INTO_DEBUGGER
#ifdef CATCH_TRAP
#define CATCH_BREAK_INTO_DEBUGGER()  \
  [] {                               \
    if (Catch::isDebuggerActive()) { \
      CATCH_TRAP();                  \
    }                                \
  }()
#else
#define CATCH_BREAK_INTO_DEBUGGER() [] {}()
#endif
#endif

// end catch_debugger.h
// start catch_run_context.h

// start catch_fatal_condition.h

#include <cassert>

namespace Catch {
  // Wrapper for platform-specific fatal error (signals/SEH) handlers
  //
  // Tries to be cooperative with other handlers, and not step over
  // other handlers. This means that unknown structured exceptions
  // are passed on, previous signal handlers are called, and so on.
  //
  // Can only be instantiated once, and assumes that once a signal
  // is caught, the binary will end up terminating. Thus, there
  class FatalConditionHandler {
    bool m_started = false;

    // Install/disengage implementation for specific platform.
    // Should be if-defed to work on current platform, can assume
    // engage-disengage 1:1 pairing.
    void engage_platform();
    void disengage_platform();

  public:
    // Should also have platform-specific implementations as needed
    FatalConditionHandler();
    ~FatalConditionHandler();

    void engage() {
      assert(!m_started && "Handler cannot be installed twice.");
      m_started = true;
      engage_platform();
    }

    void disengage() {
      assert(m_started && "Handler cannot be uninstalled without being installed first");
      m_started = false;
      disengage_platform();
    }
  };

  //! Simple RAII guard for (dis)engaging the FatalConditionHandler
  class FatalConditionHandlerGuard {
    FatalConditionHandler *m_handler;

  public:
    FatalConditionHandlerGuard(FatalConditionHandler *handler)
        : m_handler(handler) {
      m_handler->engage();
    }
    ~FatalConditionHandlerGuard() { m_handler->disengage(); }
  };

} // end namespace Catch

// end catch_fatal_condition.h
#include <string>

namespace Catch {
  struct IMutableContext;

  ///////////////////////////////////////////////////////////////////////////

  class RunContext : public IResultCapture, public IRunner {
  public:
    RunContext(RunContext const &) = delete;
    RunContext &operator=(RunContext const &) = delete;

    explicit RunContext(IConfigPtr const &_config, IStreamingReporterPtr &&reporter);

    ~RunContext() override;

    void testGroupStarting(std::string const &testSpec, std::size_t groupIndex, std::size_t groupsCount);
    void testGroupEnded(std::string const &testSpec, Totals const &totals, std::size_t groupIndex, std::size_t groupsCount);

    Totals runTest(TestCase const &testCase);

    IConfigPtr config() const;
    IStreamingReporter &reporter() const;

  public: // IResultCapture
    // Assertion handlers
    void handleExpr(AssertionInfo const &info, ITransientExpression const &expr, AssertionReaction &reaction) override;
    void handleMessage(AssertionInfo const &info, ResultWas::OfType resultType, StringRef const &message, AssertionReaction &reaction) override;
    void handleUnexpectedExceptionNotThrown(AssertionInfo const &info, AssertionReaction &reaction) override;
    void handleUnexpectedInflightException(AssertionInfo const &info, std::string const &message, AssertionReaction &reaction) override;
    void handleIncomplete(AssertionInfo const &info) override;
    void handleNonExpr(AssertionInfo const &info, ResultWas::OfType resultType, AssertionReaction &reaction) override;

    bool sectionStarted(SectionInfo const &sectionInfo, Counts &assertions) override;

    void sectionEnded(SectionEndInfo const &endInfo) override;
    void sectionEndedEarly(SectionEndInfo const &endInfo) override;

    auto acquireGeneratorTracker(StringRef generatorName, SourceLineInfo const &lineInfo) -> IGeneratorTracker & override;

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
    void benchmarkPreparing(std::string const &name) override;
    void benchmarkStarting(BenchmarkInfo const &info) override;
    void benchmarkEnded(BenchmarkStats<> const &stats) override;
    void benchmarkFailed(std::string const &error) override;
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

    void pushScopedMessage(MessageInfo const &message) override;
    void popScopedMessage(MessageInfo const &message) override;

    void emplaceUnscopedMessage(MessageBuilder const &builder) override;

    std::string getCurrentTestName() const override;

    const AssertionResult *getLastResult() const override;

    void exceptionEarlyReported() override;

    void handleFatalErrorCondition(StringRef message) override;

    bool lastAssertionPassed() override;

    void assertionPassed() override;

  public:
    // !TBD We need to do this another way!
    bool aborting() const final;

  private:
    void runCurrentTest(std::string &redirectedCout, std::string &redirectedCerr);
    void invokeActiveTestCase();

    void resetAssertionInfo();
    bool testForMissingAssertions(Counts &assertions);

    void assertionEnded(AssertionResult const &result);
    void reportExpr(AssertionInfo const &info, ResultWas::OfType resultType, ITransientExpression const *expr, bool negated);

    void populateReaction(AssertionReaction &reaction);

  private:
    void handleUnfinishedSections();

    TestRunInfo m_runInfo;
    IMutableContext &m_context;
    TestCase const *m_activeTestCase = nullptr;
    ITracker *m_testCaseTracker = nullptr;
    Option<AssertionResult> m_lastResult;

    IConfigPtr m_config;
    Totals m_totals;
    IStreamingReporterPtr m_reporter;
    std::vector<MessageInfo> m_messages;
    std::vector<ScopedMessage> m_messageScopes; /* Keeps owners of so-called unscoped messages. */
    AssertionInfo m_lastAssertionInfo;
    std::vector<SectionEndInfo> m_unfinishedSections;
    std::vector<ITracker *> m_activeSections;
    TrackerContext m_trackerContext;
    FatalConditionHandler m_fatalConditionhandler;
    bool m_lastAssertionPassed = false;
    bool m_shouldReportUnexpected = true;
    bool m_includeSuccessfulResults;
  };

  void seedRng(IConfig const &config);
  unsigned int rngSeed();
} // end namespace Catch

// end catch_run_context.h
namespace Catch {
  namespace {
    auto operator<<(std::ostream &os, ITransientExpression const &expr) -> std::ostream & {
      expr.streamReconstructedExpression(os);
      return os;
    }
  } // namespace

  LazyExpression::LazyExpression(bool isNegated)
      : m_isNegated(isNegated) {
  }

  LazyExpression::LazyExpression(LazyExpression const &other)
      : m_isNegated(other.m_isNegated) {
  }

  LazyExpression::operator bool() const {
    return m_transientExpression != nullptr;
  }

  auto operator<<(std::ostream &os, LazyExpression const &lazyExpr) -> std::ostream & {
    if (lazyExpr.m_isNegated)
      os << "!";

    if (lazyExpr) {
      if (lazyExpr.m_isNegated && lazyExpr.m_transientExpression->isBinaryExpression())
        os << "(" << *lazyExpr.m_transientExpression << ")";
      else
        os << *lazyExpr.m_transientExpression;
    } else {
      os << "{** error - unchecked empty expression requested **}";
    }
    return os;
  }

  AssertionHandler::AssertionHandler(StringRef const &macroName,
                                     SourceLineInfo const &lineInfo,
                                     StringRef capturedExpression,
                                     ResultDisposition::Flags resultDisposition)
      : m_assertionInfo{macroName, lineInfo, capturedExpression, resultDisposition}
      , m_resultCapture(getResultCapture()) {
  }

  void AssertionHandler::handleExpr(ITransientExpression const &expr) {
    m_resultCapture.handleExpr(m_assertionInfo, expr, m_reaction);
  }
  void AssertionHandler::handleMessage(ResultWas::OfType resultType, StringRef const &message) {
    m_resultCapture.handleMessage(m_assertionInfo, resultType, message, m_reaction);
  }

  auto AssertionHandler::allowThrows() const -> bool {
    return getCurrentContext().getConfig()->allowThrows();
  }

  void AssertionHandler::complete() {
    setCompleted();
    if (m_reaction.shouldDebugBreak) {
      // If you find your debugger stopping you here then go one level up on the
      // call-stack for the code that caused it (typically a failed assertion)

      // (To go back to the test and change execution, jump over the throw, next)
      CATCH_BREAK_INTO_DEBUGGER();
    }
    if (m_reaction.shouldThrow) {
#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
      throw Catch::TestFailureException();
#else
      CATCH_ERROR("Test failure requires aborting test!");
#endif
    }
  }
  void AssertionHandler::setCompleted() {
    m_completed = true;
  }

  void AssertionHandler::handleUnexpectedInflightException() {
    m_resultCapture.handleUnexpectedInflightException(m_assertionInfo, Catch::translateActiveException(), m_reaction);
  }

  void AssertionHandler::handleExceptionThrownAsExpected() {
    m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
  }
  void AssertionHandler::handleExceptionNotThrownAsExpected() {
    m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
  }

  void AssertionHandler::handleUnexpectedExceptionNotThrown() {
    m_resultCapture.handleUnexpectedExceptionNotThrown(m_assertionInfo, m_reaction);
  }

  void AssertionHandler::handleThrowingCallSkipped() {
    m_resultCapture.handleNonExpr(m_assertionInfo, ResultWas::Ok, m_reaction);
  }

  // This is the overload that takes a string and infers the Equals matcher from it
  // The more general overload, that takes any string matcher, is in catch_capture_matchers.cpp
  void handleExceptionMatchExpr(AssertionHandler &handler, std::string const &str, StringRef const &matcherString) {
    handleExceptionMatchExpr(handler, Matchers::Equals(str), matcherString);
  }

} // namespace Catch
// end catch_assertionhandler.cpp
// start catch_assertionresult.cpp

namespace Catch {
  AssertionResultData::AssertionResultData(ResultWas::OfType _resultType, LazyExpression const &_lazyExpression)
      : lazyExpression(_lazyExpression)
      , resultType(_resultType) {
  }

  std::string AssertionResultData::reconstructExpression() const {
    if (reconstructedExpression.empty()) {
      if (lazyExpression) {
        ReusableStringStream rss;
        rss << lazyExpression;
        reconstructedExpression = rss.str();
      }
    }
    return reconstructedExpression;
  }

  AssertionResult::AssertionResult(AssertionInfo const &info, AssertionResultData const &data)
      : m_info(info)
      , m_resultData(data) {
  }

  // Result was a success
  bool AssertionResult::succeeded() const {
    return Catch::isOk(m_resultData.resultType);
  }

  // Result was a success, or failure is suppressed
  bool AssertionResult::isOk() const {
    return Catch::isOk(m_resultData.resultType) || shouldSuppressFailure(m_info.resultDisposition);
  }

  ResultWas::OfType AssertionResult::getResultType() const {
    return m_resultData.resultType;
  }

  bool AssertionResult::hasExpression() const {
    return !m_info.capturedExpression.empty();
  }

  bool AssertionResult::hasMessage() const {
    return !m_resultData.message.empty();
  }

  std::string AssertionResult::getExpression() const {
    // Possibly overallocating by 3 characters should be basically free
    std::string expr;
    expr.reserve(m_info.capturedExpression.size() + 3);
    if (isFalseTest(m_info.resultDisposition)) {
      expr += "!(";
    }
    expr += m_info.capturedExpression;
    if (isFalseTest(m_info.resultDisposition)) {
      expr += ')';
    }
    return expr;
  }

  std::string AssertionResult::getExpressionInMacro() const {
    std::string expr;
    if (m_info.macroName.empty())
      expr = static_cast<std::string>(m_info.capturedExpression);
    else {
      expr.reserve(m_info.macroName.size() + m_info.capturedExpression.size() + 4);
      expr += m_info.macroName;
      expr += "( ";
      expr += m_info.capturedExpression;
      expr += " )";
    }
    return expr;
  }

  bool AssertionResult::hasExpandedExpression() const {
    return hasExpression() && getExpandedExpression() != getExpression();
  }

  std::string AssertionResult::getExpandedExpression() const {
    std::string expr = m_resultData.reconstructExpression();
    return expr.empty() ? getExpression() : expr;
  }

  std::string AssertionResult::getMessage() const {
    return m_resultData.message;
  }
  SourceLineInfo AssertionResult::getSourceInfo() const {
    return m_info.lineInfo;
  }

  StringRef AssertionResult::getTestMacroName() const {
    return m_info.macroName;
  }

} // end namespace Catch
// end catch_assertionresult.cpp
// start catch_capture_matchers.cpp

namespace Catch {
  using StringMatcher = Matchers::Impl::MatcherBase<std::string>;

  // This is the general overload that takes a any string matcher
  // There is another overload, in catch_assertionhandler.h/.cpp, that only takes a string and infers
  // the Equals matcher (so the header does not mention matchers)
  void handleExceptionMatchExpr(AssertionHandler &handler, StringMatcher const &matcher, StringRef const &matcherString) {
    std::string exceptionMessage = Catch::translateActiveException();
    MatchExpr<std::string, StringMatcher const &> expr(exceptionMessage, matcher, matcherString);
    handler.handleExpr(expr);
  }

} // namespace Catch
// end catch_capture_matchers.cpp
// start catch_commandline.cpp

// start catch_commandline.h

// start catch_clara.h

// Use Catch's value for console width (store Clara's off to the side, if present)
#ifdef CLARA_CONFIG_CONSOLE_WIDTH
#define CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#undef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#endif
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CONFIG_CONSOLE_WIDTH - 1

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wweak-vtables"
#pragma clang diagnostic ignored "-Wexit-time-destructors"
#pragma clang diagnostic ignored "-Wshadow"
#endif

// start clara.hpp
// Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See https://github.com/philsquared/Clara for more details

// Clara v1.1.5

#ifndef CATCH_CLARA_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_CONFIG_CONSOLE_WIDTH 80
#endif

#ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_CLARA_CONFIG_CONSOLE_WIDTH
#endif

#ifndef CLARA_CONFIG_OPTIONAL_TYPE
#ifdef __has_include
#if __has_include(<optional>) && __cplusplus >= 201703L
#include <optional>
#define CLARA_CONFIG_OPTIONAL_TYPE std::optional
#endif
#endif
#endif

// ----------- #included from clara_textflow.hpp -----------

// TextFlowCpp
//
// A single-header library for wrapping and laying out basic text, by Phil Nash
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// This project is hosted at https://github.com/philsquared/textflowcpp

#include <cassert>
#include <ostream>
#include <sstream>
#include <vector>

#ifndef CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH 80
#endif

namespace Catch {
  namespace clara {
    namespace TextFlow {
      inline auto isWhitespace(char c) -> bool {
        static std::string chars = " \t\n\r";
        return chars.find(c) != std::string::npos;
      }
      inline auto isBreakableBefore(char c) -> bool {
        static std::string chars = "[({<|";
        return chars.find(c) != std::string::npos;
      }
      inline auto isBreakableAfter(char c) -> bool {
        static std::string chars = "])}>.,:;*+-=&/\\";
        return chars.find(c) != std::string::npos;
      }

      class Columns;

      class Column {
        std::vector<std::string> m_strings;
        size_t m_width = CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH;
        size_t m_indent = 0;
        size_t m_initialIndent = std::string::npos;

      public:
        class iterator {
          friend Column;

          Column const &m_column;
          size_t m_stringIndex = 0;
          size_t m_pos = 0;

          size_t m_len = 0;
          size_t m_end = 0;
          bool m_suffix = false;

          iterator(Column const &column, size_t stringIndex)
              : m_column(column)
              , m_stringIndex(stringIndex) {
          }

          auto line() const -> std::string const & { return m_column.m_strings[m_stringIndex]; }

          auto isBoundary(size_t at) const -> bool {
            assert(at > 0);
            assert(at <= line().size());

            return at == line().size() || (isWhitespace(line()[at]) && !isWhitespace(line()[at - 1])) || isBreakableBefore(line()[at])
                || isBreakableAfter(line()[at - 1]);
          }

          void calcLength() {
            assert(m_stringIndex < m_column.m_strings.size());

            m_suffix = false;
            auto width = m_column.m_width - indent();
            m_end = m_pos;
            if (line()[m_pos] == '\n') {
              ++m_end;
            }
            while (m_end < line().size() && line()[m_end] != '\n')
              ++m_end;

            if (m_end < m_pos + width) {
              m_len = m_end - m_pos;
            } else {
              size_t len = width;
              while (len > 0 && !isBoundary(m_pos + len))
                --len;
              while (len > 0 && isWhitespace(line()[m_pos + len - 1]))
                --len;

              if (len > 0) {
                m_len = len;
              } else {
                m_suffix = true;
                m_len = width - 1;
              }
            }
          }

          auto indent() const -> size_t {
            auto initial = m_pos == 0 && m_stringIndex == 0 ? m_column.m_initialIndent : std::string::npos;
            return initial == std::string::npos ? m_column.m_indent : initial;
          }

          auto addIndentAndSuffix(std::string const &plain) const -> std::string {
            return std::string(indent(), ' ') + (m_suffix ? plain + "-" : plain);
          }

        public:
          using difference_type = std::ptrdiff_t;
          using value_type = std::string;
          using pointer = value_type *;
          using reference = value_type &;
          using iterator_category = std::forward_iterator_tag;

          explicit iterator(Column const &column)
              : m_column(column) {
            assert(m_column.m_width > m_column.m_indent);
            assert(m_column.m_initialIndent == std::string::npos || m_column.m_width > m_column.m_initialIndent);
            calcLength();
            if (m_len == 0)
              m_stringIndex++; // Empty string
          }

          auto operator*() const -> std::string {
            assert(m_stringIndex < m_column.m_strings.size());
            assert(m_pos <= m_end);
            return addIndentAndSuffix(line().substr(m_pos, m_len));
          }

          auto operator++() -> iterator & {
            m_pos += m_len;
            if (m_pos < line().size() && line()[m_pos] == '\n')
              m_pos += 1;
            else
              while (m_pos < line().size() && isWhitespace(line()[m_pos]))
                ++m_pos;

            if (m_pos == line().size()) {
              m_pos = 0;
              ++m_stringIndex;
            }
            if (m_stringIndex < m_column.m_strings.size())
              calcLength();
            return *this;
          }
          auto operator++(int) -> iterator {
            iterator prev(*this);
            operator++();
            return prev;
          }

          auto operator==(iterator const &other) const -> bool {
            return m_pos == other.m_pos && m_stringIndex == other.m_stringIndex && &m_column == &other.m_column;
          }
          auto operator!=(iterator const &other) const -> bool { return !operator==(other); }
        };
        using const_iterator = iterator;

        explicit Column(std::string const &text) { m_strings.push_back(text); }

        auto width(size_t newWidth) -> Column & {
          assert(newWidth > 0);
          m_width = newWidth;
          return *this;
        }
        auto indent(size_t newIndent) -> Column & {
          m_indent = newIndent;
          return *this;
        }
        auto initialIndent(size_t newIndent) -> Column & {
          m_initialIndent = newIndent;
          return *this;
        }

        auto width() const -> size_t { return m_width; }
        auto begin() const -> iterator { return iterator(*this); }
        auto end() const -> iterator { return {*this, m_strings.size()}; }

        inline friend std::ostream &operator<<(std::ostream &os, Column const &col) {
          bool first = true;
          for (auto line : col) {
            if (first)
              first = false;
            else
              os << "\n";
            os << line;
          }
          return os;
        }

        auto operator+(Column const &other) -> Columns;

        auto toString() const -> std::string {
          std::ostringstream oss;
          oss << *this;
          return oss.str();
        }
      };

      class Spacer : public Column {
      public:
        explicit Spacer(size_t spaceWidth)
            : Column("") {
          width(spaceWidth);
        }
      };

      class Columns {
        std::vector<Column> m_columns;

      public:
        class iterator {
          friend Columns;
          struct EndTag {
          };

          std::vector<Column> const &m_columns;
          std::vector<Column::iterator> m_iterators;
          size_t m_activeIterators;

          iterator(Columns const &columns, EndTag)
              : m_columns(columns.m_columns)
              , m_activeIterators(0) {
            m_iterators.reserve(m_columns.size());

            for (auto const &col : m_columns)
              m_iterators.push_back(col.end());
          }

        public:
          using difference_type = std::ptrdiff_t;
          using value_type = std::string;
          using pointer = value_type *;
          using reference = value_type &;
          using iterator_category = std::forward_iterator_tag;

          explicit iterator(Columns const &columns)
              : m_columns(columns.m_columns)
              , m_activeIterators(m_columns.size()) {
            m_iterators.reserve(m_columns.size());

            for (auto const &col : m_columns)
              m_iterators.push_back(col.begin());
          }

          auto operator==(iterator const &other) const -> bool { return m_iterators == other.m_iterators; }
          auto operator!=(iterator const &other) const -> bool { return m_iterators != other.m_iterators; }
          auto operator*() const -> std::string {
            std::string row, padding;

            for (size_t i = 0; i < m_columns.size(); ++i) {
              auto width = m_columns[i].width();
              if (m_iterators[i] != m_columns[i].end()) {
                std::string col = *m_iterators[i];
                row += padding + col;
                if (col.size() < width)
                  padding = std::string(width - col.size(), ' ');
                else
                  padding = "";
              } else {
                padding += std::string(width, ' ');
              }
            }
            return row;
          }
          auto operator++() -> iterator & {
            for (size_t i = 0; i < m_columns.size(); ++i) {
              if (m_iterators[i] != m_columns[i].end())
                ++m_iterators[i];
            }
            return *this;
          }
          auto operator++(int) -> iterator {
            iterator prev(*this);
            operator++();
            return prev;
          }
        };
        using const_iterator = iterator;

        auto begin() const -> iterator { return iterator(*this); }
        auto end() const -> iterator { return {*this, iterator::EndTag()}; }

        auto operator+=(Column const &col) -> Columns & {
          m_columns.push_back(col);
          return *this;
        }
        auto operator+(Column const &col) -> Columns {
          Columns combined = *this;
          combined += col;
          return combined;
        }

        inline friend std::ostream &operator<<(std::ostream &os, Columns const &cols) {
          bool first = true;
          for (auto line : cols) {
            if (first)
              first = false;
            else
              os << "\n";
            os << line;
          }
          return os;
        }

        auto toString() const -> std::string {
          std::ostringstream oss;
          oss << *this;
          return oss.str();
        }
      };

      inline auto Column::operator+(Column const &other) -> Columns {
        Columns cols;
        cols += *this;
        cols += other;
        return cols;
      }
    } // namespace TextFlow
  } // namespace clara
} // namespace Catch

// ----------- end of #include from clara_textflow.hpp -----------
// ........... back in clara.hpp

#include <algorithm>
#include <cctype>
#include <memory>
#include <set>
#include <string>

#if !defined(CATCH_PLATFORM_WINDOWS) && (defined(WIN32) || defined(__WIN32__) || defined(_WIN32) || defined(_MSC_VER))
#define CATCH_PLATFORM_WINDOWS
#endif

namespace Catch {
  namespace clara {
    namespace detail {
      // Traits for extracting arg and return type of lambdas (for single argument lambdas)
      template<typename L>
      struct UnaryLambdaTraits : UnaryLambdaTraits<decltype(&L::operator())> {
      };

      template<typename ClassT, typename ReturnT, typename... Args>
      struct UnaryLambdaTraits<ReturnT (ClassT::*)(Args...) const> {
        static const bool isValid = false;
      };

      template<typename ClassT, typename ReturnT, typename ArgT>
      struct UnaryLambdaTraits<ReturnT (ClassT::*)(ArgT) const> {
        static const bool isValid = true;
        using ArgType = typename std::remove_const<typename std::remove_reference<ArgT>::type>::type;
        using ReturnType = ReturnT;
      };

      class TokenStream;

      // Transport for raw args (copied from main args, or supplied via init list for testing)
      class Args {
        friend TokenStream;
        std::string m_exeName;
        std::vector<std::string> m_args;

      public:
        Args(int argc, char const *const *argv)
            : m_exeName(argv[0])
            , m_args(argv + 1, argv + argc) {
        }

        Args(std::initializer_list<std::string> args)
            : m_exeName(*args.begin())
            , m_args(args.begin() + 1, args.end()) {
        }

        auto exeName() const -> std::string { return m_exeName; }
      };

      // Wraps a token coming from a token stream. These may not directly correspond to strings as a single string
      // may encode an option + its argument if the : or = form is used
      enum class TokenType {
        Option,
        Argument
      };
      struct Token {
        TokenType type;
        std::string token;
      };

      inline auto isOptPrefix(char c) -> bool {
        return c == '-'
#ifdef CATCH_PLATFORM_WINDOWS
            || c == '/'
#endif
            ;
      }

      // Abstracts iterators into args as a stream of tokens, with option arguments uniformly handled
      class TokenStream {
        using Iterator = std::vector<std::string>::const_iterator;
        Iterator it;
        Iterator itEnd;
        std::vector<Token> m_tokenBuffer;

        void loadBuffer() {
          m_tokenBuffer.resize(0);

          // Skip any empty strings
          while (it != itEnd && it->empty())
            ++it;

          if (it != itEnd) {
            auto const &next = *it;
            if (isOptPrefix(next[0])) {
              auto delimiterPos = next.find_first_of(" :=");
              if (delimiterPos != std::string::npos) {
                m_tokenBuffer.push_back({TokenType::Option, next.substr(0, delimiterPos)});
                m_tokenBuffer.push_back({TokenType::Argument, next.substr(delimiterPos + 1)});
              } else {
                if (next[1] != '-' && next.size() > 2) {
                  std::string opt = "- ";
                  for (size_t i = 1; i < next.size(); ++i) {
                    opt[1] = next[i];
                    m_tokenBuffer.push_back({TokenType::Option, opt});
                  }
                } else {
                  m_tokenBuffer.push_back({TokenType::Option, next});
                }
              }
            } else {
              m_tokenBuffer.push_back({TokenType::Argument, next});
            }
          }
        }

      public:
        explicit TokenStream(Args const &args)
            : TokenStream(args.m_args.begin(), args.m_args.end()) {
        }

        TokenStream(Iterator it, Iterator itEnd)
            : it(it)
            , itEnd(itEnd) {
          loadBuffer();
        }

        explicit operator bool() const { return !m_tokenBuffer.empty() || it != itEnd; }

        auto count() const -> size_t { return m_tokenBuffer.size() + (itEnd - it); }

        auto operator*() const -> Token {
          assert(!m_tokenBuffer.empty());
          return m_tokenBuffer.front();
        }

        auto operator->() const -> Token const * {
          assert(!m_tokenBuffer.empty());
          return &m_tokenBuffer.front();
        }

        auto operator++() -> TokenStream & {
          if (m_tokenBuffer.size() >= 2) {
            m_tokenBuffer.erase(m_tokenBuffer.begin());
          } else {
            if (it != itEnd)
              ++it;
            loadBuffer();
          }
          return *this;
        }
      };

      class ResultBase {
      public:
        enum Type {
          Ok,
          LogicError,
          RuntimeError
        };

      protected:
        ResultBase(Type type)
            : m_type(type) {
        }
        virtual ~ResultBase() = default;

        virtual void enforceOk() const = 0;

        Type m_type;
      };

      template<typename T>
      class ResultValueBase : public ResultBase {
      public:
        auto value() const -> T const & {
          enforceOk();
          return m_value;
        }

      protected:
        ResultValueBase(Type type)
            : ResultBase(type) {
        }

        ResultValueBase(ResultValueBase const &other)
            : ResultBase(other) {
          if (m_type == ResultBase::Ok)
            new (&m_value) T(other.m_value);
        }

        ResultValueBase(Type, T const &value)
            : ResultBase(Ok) {
          new (&m_value) T(value);
        }

        auto operator=(ResultValueBase const &other) -> ResultValueBase & {
          if (m_type == ResultBase::Ok)
            m_value.~T();
          ResultBase::operator=(other);
          if (m_type == ResultBase::Ok)
            new (&m_value) T(other.m_value);
          return *this;
        }

        ~ResultValueBase() override {
          if (m_type == Ok)
            m_value.~T();
        }

        union {
          T m_value;
        };
      };

      template<>
      class ResultValueBase<void> : public ResultBase {
      protected:
        using ResultBase::ResultBase;
      };

      template<typename T = void>
      class BasicResult : public ResultValueBase<T> {
      public:
        template<typename U>
        explicit BasicResult(BasicResult<U> const &other)
            : ResultValueBase<T>(other.type())
            , m_errorMessage(other.errorMessage()) {
          assert(type() != ResultBase::Ok);
        }

        template<typename U>
        static auto ok(U const &value) -> BasicResult {
          return {ResultBase::Ok, value};
        }
        static auto ok() -> BasicResult { return {ResultBase::Ok}; }
        static auto logicError(std::string const &message) -> BasicResult { return {ResultBase::LogicError, message}; }
        static auto runtimeError(std::string const &message) -> BasicResult { return {ResultBase::RuntimeError, message}; }

        explicit operator bool() const { return m_type == ResultBase::Ok; }
        auto type() const -> ResultBase::Type { return m_type; }
        auto errorMessage() const -> std::string { return m_errorMessage; }

      protected:
        void enforceOk() const override {
          // Errors shouldn't reach this point, but if they do
          // the actual error message will be in m_errorMessage
          assert(m_type != ResultBase::LogicError);
          assert(m_type != ResultBase::RuntimeError);
          if (m_type != ResultBase::Ok)
            std::abort();
        }

        std::string m_errorMessage; // Only populated if resultType is an error

        BasicResult(ResultBase::Type type, std::string const &message)
            : ResultValueBase<T>(type)
            , m_errorMessage(message) {
          assert(m_type != ResultBase::Ok);
        }

        using ResultValueBase<T>::ResultValueBase;
        using ResultBase::m_type;
      };

      enum class ParseResultType {
        Matched,
        NoMatch,
        ShortCircuitAll,
        ShortCircuitSame
      };

      class ParseState {
      public:
        ParseState(ParseResultType type, TokenStream const &remainingTokens)
            : m_type(type)
            , m_remainingTokens(remainingTokens) {
        }

        auto type() const -> ParseResultType { return m_type; }
        auto remainingTokens() const -> TokenStream { return m_remainingTokens; }

      private:
        ParseResultType m_type;
        TokenStream m_remainingTokens;
      };

      using Result = BasicResult<void>;
      using ParserResult = BasicResult<ParseResultType>;
      using InternalParseResult = BasicResult<ParseState>;

      struct HelpColumns {
        std::string left;
        std::string right;
      };

      template<typename T>
      inline auto convertInto(std::string const &source, T &target) -> ParserResult {
        std::stringstream ss;
        ss << source;
        ss >> target;
        if (ss.fail())
          return ParserResult::runtimeError("Unable to convert '" + source + "' to destination type");
        else
          return ParserResult::ok(ParseResultType::Matched);
      }
      inline auto convertInto(std::string const &source, std::string &target) -> ParserResult {
        target = source;
        return ParserResult::ok(ParseResultType::Matched);
      }
      inline auto convertInto(std::string const &source, bool &target) -> ParserResult {
        std::string srcLC = source;
        std::transform(srcLC.begin(), srcLC.end(), srcLC.begin(), [](unsigned char c) { return static_cast<char>(std::tolower(c)); });
        if (srcLC == "y" || srcLC == "1" || srcLC == "true" || srcLC == "yes" || srcLC == "on")
          target = true;
        else if (srcLC == "n" || srcLC == "0" || srcLC == "false" || srcLC == "no" || srcLC == "off")
          target = false;
        else
          return ParserResult::runtimeError("Expected a boolean value but did not recognise: '" + source + "'");
        return ParserResult::ok(ParseResultType::Matched);
      }
#ifdef CLARA_CONFIG_OPTIONAL_TYPE
      template<typename T>
      inline auto convertInto(std::string const &source, CLARA_CONFIG_OPTIONAL_TYPE<T> &target) -> ParserResult {
        T temp;
        auto result = convertInto(source, temp);
        if (result)
          target = std::move(temp);
        return result;
      }
#endif // CLARA_CONFIG_OPTIONAL_TYPE

      struct NonCopyable {
        NonCopyable() = default;
        NonCopyable(NonCopyable const &) = delete;
        NonCopyable(NonCopyable &&) = delete;
        NonCopyable &operator=(NonCopyable const &) = delete;
        NonCopyable &operator=(NonCopyable &&) = delete;
      };

      struct BoundRef : NonCopyable {
        virtual ~BoundRef() = default;
        virtual auto isContainer() const -> bool { return false; }
        virtual auto isFlag() const -> bool { return false; }
      };
      struct BoundValueRefBase : BoundRef {
        virtual auto setValue(std::string const &arg) -> ParserResult = 0;
      };
      struct BoundFlagRefBase : BoundRef {
        virtual auto setFlag(bool flag) -> ParserResult = 0;
        virtual auto isFlag() const -> bool { return true; }
      };

      template<typename T>
      struct BoundValueRef : BoundValueRefBase {
        T &m_ref;

        explicit BoundValueRef(T &ref)
            : m_ref(ref) {
        }

        auto setValue(std::string const &arg) -> ParserResult override { return convertInto(arg, m_ref); }
      };

      template<typename T>
      struct BoundValueRef<std::vector<T>> : BoundValueRefBase {
        std::vector<T> &m_ref;

        explicit BoundValueRef(std::vector<T> &ref)
            : m_ref(ref) {
        }

        auto isContainer() const -> bool override { return true; }

        auto setValue(std::string const &arg) -> ParserResult override {
          T temp;
          auto result = convertInto(arg, temp);
          if (result)
            m_ref.push_back(temp);
          return result;
        }
      };

      struct BoundFlagRef : BoundFlagRefBase {
        bool &m_ref;

        explicit BoundFlagRef(bool &ref)
            : m_ref(ref) {
        }

        auto setFlag(bool flag) -> ParserResult override {
          m_ref = flag;
          return ParserResult::ok(ParseResultType::Matched);
        }
      };

      template<typename ReturnType>
      struct LambdaInvoker {
        static_assert(std::is_same<ReturnType, ParserResult>::value, "Lambda must return void or clara::ParserResult");

        template<typename L, typename ArgType>
        static auto invoke(L const &lambda, ArgType const &arg) -> ParserResult {
          return lambda(arg);
        }
      };

      template<>
      struct LambdaInvoker<void> {
        template<typename L, typename ArgType>
        static auto invoke(L const &lambda, ArgType const &arg) -> ParserResult {
          lambda(arg);
          return ParserResult::ok(ParseResultType::Matched);
        }
      };

      template<typename ArgType, typename L>
      inline auto invokeLambda(L const &lambda, std::string const &arg) -> ParserResult {
        ArgType temp{};
        auto result = convertInto(arg, temp);
        return !result ? result : LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke(lambda, temp);
      }

      template<typename L>
      struct BoundLambda : BoundValueRefBase {
        L m_lambda;

        static_assert(UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument");
        explicit BoundLambda(L const &lambda)
            : m_lambda(lambda) {
        }

        auto setValue(std::string const &arg) -> ParserResult override {
          return invokeLambda<typename UnaryLambdaTraits<L>::ArgType>(m_lambda, arg);
        }
      };

      template<typename L>
      struct BoundFlagLambda : BoundFlagRefBase {
        L m_lambda;

        static_assert(UnaryLambdaTraits<L>::isValid, "Supplied lambda must take exactly one argument");
        static_assert(std::is_same<typename UnaryLambdaTraits<L>::ArgType, bool>::value, "flags must be boolean");

        explicit BoundFlagLambda(L const &lambda)
            : m_lambda(lambda) {
        }

        auto setFlag(bool flag) -> ParserResult override {
          return LambdaInvoker<typename UnaryLambdaTraits<L>::ReturnType>::invoke(m_lambda, flag);
        }
      };

      enum class Optionality {
        Optional,
        Required
      };

      struct Parser;

      class ParserBase {
      public:
        virtual ~ParserBase() = default;
        virtual auto validate() const -> Result { return Result::ok(); }
        virtual auto parse(std::string const &exeName, TokenStream const &tokens) const -> InternalParseResult = 0;
        virtual auto cardinality() const -> size_t { return 1; }

        auto parse(Args const &args) const -> InternalParseResult { return parse(args.exeName(), TokenStream(args)); }
      };

      template<typename DerivedT>
      class ComposableParserImpl : public ParserBase {
      public:
        template<typename T>
        auto operator|(T const &other) const -> Parser;

        template<typename T>
        auto operator+(T const &other) const -> Parser;
      };

      // Common code and state for Args and Opts
      template<typename DerivedT>
      class ParserRefImpl : public ComposableParserImpl<DerivedT> {
      protected:
        Optionality m_optionality = Optionality::Optional;
        std::shared_ptr<BoundRef> m_ref;
        std::string m_hint;
        std::string m_description;

        explicit ParserRefImpl(std::shared_ptr<BoundRef> const &ref)
            : m_ref(ref) {
        }

      public:
        template<typename T>
        ParserRefImpl(T &ref, std::string const &hint)
            : m_ref(std::make_shared<BoundValueRef<T>>(ref))
            , m_hint(hint) {
        }

        template<typename LambdaT>
        ParserRefImpl(LambdaT const &ref, std::string const &hint)
            : m_ref(std::make_shared<BoundLambda<LambdaT>>(ref))
            , m_hint(hint) {
        }

        auto operator()(std::string const &description) -> DerivedT & {
          m_description = description;
          return static_cast<DerivedT &>(*this);
        }

        auto optional() -> DerivedT & {
          m_optionality = Optionality::Optional;
          return static_cast<DerivedT &>(*this);
        };

        auto required() -> DerivedT & {
          m_optionality = Optionality::Required;
          return static_cast<DerivedT &>(*this);
        };

        auto isOptional() const -> bool { return m_optionality == Optionality::Optional; }

        auto cardinality() const -> size_t override {
          if (m_ref->isContainer())
            return 0;
          else
            return 1;
        }

        auto hint() const -> std::string { return m_hint; }
      };

      class ExeName : public ComposableParserImpl<ExeName> {
        std::shared_ptr<std::string> m_name;
        std::shared_ptr<BoundValueRefBase> m_ref;

        template<typename LambdaT>
        static auto makeRef(LambdaT const &lambda) -> std::shared_ptr<BoundValueRefBase> {
          return std::make_shared<BoundLambda<LambdaT>>(lambda);
        }

      public:
        ExeName()
            : m_name(std::make_shared<std::string>("<executable>")) {
        }

        explicit ExeName(std::string &ref)
            : ExeName() {
          m_ref = std::make_shared<BoundValueRef<std::string>>(ref);
        }

        template<typename LambdaT>
        explicit ExeName(LambdaT const &lambda)
            : ExeName() {
          m_ref = std::make_shared<BoundLambda<LambdaT>>(lambda);
        }

        // The exe name is not parsed out of the normal tokens, but is handled specially
        auto parse(std::string const &, TokenStream const &tokens) const -> InternalParseResult override {
          return InternalParseResult::ok(ParseState(ParseResultType::NoMatch, tokens));
        }

        auto name() const -> std::string { return *m_name; }
        auto set(std::string const &newName) -> ParserResult {
          auto lastSlash = newName.find_last_of("\\/");
          auto filename = (lastSlash == std::string::npos) ? newName : newName.substr(lastSlash + 1);

          *m_name = filename;
          if (m_ref)
            return m_ref->setValue(filename);
          else
            return ParserResult::ok(ParseResultType::Matched);
        }
      };

      class Arg : public ParserRefImpl<Arg> {
      public:
        using ParserRefImpl::ParserRefImpl;

        auto parse(std::string const &, TokenStream const &tokens) const -> InternalParseResult override {
          auto validationResult = validate();
          if (!validationResult)
            return InternalParseResult(validationResult);

          auto remainingTokens = tokens;
          auto const &token = *remainingTokens;
          if (token.type != TokenType::Argument)
            return InternalParseResult::ok(ParseState(ParseResultType::NoMatch, remainingTokens));

          assert(!m_ref->isFlag());
          auto valueRef = static_cast<detail::BoundValueRefBase *>(m_ref.get());

          auto result = valueRef->setValue(remainingTokens->token);
          if (!result)
            return InternalParseResult(result);
          else
            return InternalParseResult::ok(ParseState(ParseResultType::Matched, ++remainingTokens));
        }
      };

      inline auto normaliseOpt(std::string const &optName) -> std::string {
#ifdef CATCH_PLATFORM_WINDOWS
        if (optName[0] == '/')
          return "-" + optName.substr(1);
        else
#endif
          return optName;
      }

      class Opt : public ParserRefImpl<Opt> {
      protected:
        std::vector<std::string> m_optNames;

      public:
        template<typename LambdaT>
        explicit Opt(LambdaT const &ref)
            : ParserRefImpl(std::make_shared<BoundFlagLambda<LambdaT>>(ref)) {
        }

        explicit Opt(bool &ref)
            : ParserRefImpl(std::make_shared<BoundFlagRef>(ref)) {
        }

        template<typename LambdaT>
        Opt(LambdaT const &ref, std::string const &hint)
            : ParserRefImpl(ref, hint) {
        }

        template<typename T>
        Opt(T &ref, std::string const &hint)
            : ParserRefImpl(ref, hint) {
        }

        auto operator[](std::string const &optName) -> Opt & {
          m_optNames.push_back(optName);
          return *this;
        }

        auto getHelpColumns() const -> std::vector<HelpColumns> {
          std::ostringstream oss;
          bool first = true;
          for (auto const &opt : m_optNames) {
            if (first)
              first = false;
            else
              oss << ", ";
            oss << opt;
          }
          if (!m_hint.empty())
            oss << " <" << m_hint << ">";
          return {{oss.str(), m_description}};
        }

        auto isMatch(std::string const &optToken) const -> bool {
          auto normalisedToken = normaliseOpt(optToken);
          for (auto const &name : m_optNames) {
            if (normaliseOpt(name) == normalisedToken)
              return true;
          }
          return false;
        }

        using ParserBase::parse;

        auto parse(std::string const &, TokenStream const &tokens) const -> InternalParseResult override {
          auto validationResult = validate();
          if (!validationResult)
            return InternalParseResult(validationResult);

          auto remainingTokens = tokens;
          if (remainingTokens && remainingTokens->type == TokenType::Option) {
            auto const &token = *remainingTokens;
            if (isMatch(token.token)) {
              if (m_ref->isFlag()) {
                auto flagRef = static_cast<detail::BoundFlagRefBase *>(m_ref.get());
                auto result = flagRef->setFlag(true);
                if (!result)
                  return InternalParseResult(result);
                if (result.value() == ParseResultType::ShortCircuitAll)
                  return InternalParseResult::ok(ParseState(result.value(), remainingTokens));
              } else {
                auto valueRef = static_cast<detail::BoundValueRefBase *>(m_ref.get());
                ++remainingTokens;
                if (!remainingTokens)
                  return InternalParseResult::runtimeError("Expected argument following " + token.token);
                auto const &argToken = *remainingTokens;
                if (argToken.type != TokenType::Argument)
                  return InternalParseResult::runtimeError("Expected argument following " + token.token);
                auto result = valueRef->setValue(argToken.token);
                if (!result)
                  return InternalParseResult(result);
                if (result.value() == ParseResultType::ShortCircuitAll)
                  return InternalParseResult::ok(ParseState(result.value(), remainingTokens));
              }
              return InternalParseResult::ok(ParseState(ParseResultType::Matched, ++remainingTokens));
            }
          }
          return InternalParseResult::ok(ParseState(ParseResultType::NoMatch, remainingTokens));
        }

        auto validate() const -> Result override {
          if (m_optNames.empty())
            return Result::logicError("No options supplied to Opt");
          for (auto const &name : m_optNames) {
            if (name.empty())
              return Result::logicError("Option name cannot be empty");
#ifdef CATCH_PLATFORM_WINDOWS
            if (name[0] != '-' && name[0] != '/')
              return Result::logicError("Option name must begin with '-' or '/'");
#else
            if (name[0] != '-')
              return Result::logicError("Option name must begin with '-'");
#endif
          }
          return ParserRefImpl::validate();
        }
      };

      struct Help : Opt {
        Help(bool &showHelpFlag)
            : Opt([&](bool flag) {
              showHelpFlag = flag;
              return ParserResult::ok(ParseResultType::ShortCircuitAll);
            }) {
          static_cast<Opt &> (*this)("display usage information")["-?"]["-h"]["--help"].optional();
        }
      };

      struct Parser : ParserBase {
        mutable ExeName m_exeName;
        std::vector<Opt> m_options;
        std::vector<Arg> m_args;

        auto operator|=(ExeName const &exeName) -> Parser & {
          m_exeName = exeName;
          return *this;
        }

        auto operator|=(Arg const &arg) -> Parser & {
          m_args.push_back(arg);
          return *this;
        }

        auto operator|=(Opt const &opt) -> Parser & {
          m_options.push_back(opt);
          return *this;
        }

        auto operator|=(Parser const &other) -> Parser & {
          m_options.insert(m_options.end(), other.m_options.begin(), other.m_options.end());
          m_args.insert(m_args.end(), other.m_args.begin(), other.m_args.end());
          return *this;
        }

        template<typename T>
        auto operator|(T const &other) const -> Parser {
          return Parser(*this) |= other;
        }

        // Forward deprecated interface with '+' instead of '|'
        template<typename T>
        auto operator+=(T const &other) -> Parser & {
          return operator|=(other);
        }
        template<typename T>
        auto operator+(T const &other) const -> Parser {
          return operator|(other);
        }

        auto getHelpColumns() const -> std::vector<HelpColumns> {
          std::vector<HelpColumns> cols;
          for (auto const &o : m_options) {
            auto childCols = o.getHelpColumns();
            cols.insert(cols.end(), childCols.begin(), childCols.end());
          }
          return cols;
        }

        void writeToStream(std::ostream &os) const {
          if (!m_exeName.name().empty()) {
            os << "usage:\n"
               << "  " << m_exeName.name() << " ";
            bool required = true, first = true;
            for (auto const &arg : m_args) {
              if (first)
                first = false;
              else
                os << " ";
              if (arg.isOptional() && required) {
                os << "[";
                required = false;
              }
              os << "<" << arg.hint() << ">";
              if (arg.cardinality() == 0)
                os << " ... ";
            }
            if (!required)
              os << "]";
            if (!m_options.empty())
              os << " options";
            os << "\n\nwhere options are:" << std::endl;
          }

          auto rows = getHelpColumns();
          size_t consoleWidth = CATCH_CLARA_CONFIG_CONSOLE_WIDTH;
          size_t optWidth = 0;
          for (auto const &cols : rows)
            optWidth = (std::max)(optWidth, cols.left.size() + 2);

          optWidth = (std::min)(optWidth, consoleWidth / 2);

          for (auto const &cols : rows) {
            auto row = TextFlow::Column(cols.left).width(optWidth).indent(2) + TextFlow::Spacer(4)
                + TextFlow::Column(cols.right).width(consoleWidth - 7 - optWidth);
            os << row << std::endl;
          }
        }

        friend auto operator<<(std::ostream &os, Parser const &parser) -> std::ostream & {
          parser.writeToStream(os);
          return os;
        }

        auto validate() const -> Result override {
          for (auto const &opt : m_options) {
            auto result = opt.validate();
            if (!result)
              return result;
          }
          for (auto const &arg : m_args) {
            auto result = arg.validate();
            if (!result)
              return result;
          }
          return Result::ok();
        }

        using ParserBase::parse;

        auto parse(std::string const &exeName, TokenStream const &tokens) const -> InternalParseResult override {
          struct ParserInfo {
            ParserBase const *parser = nullptr;
            size_t count = 0;
          };
          const size_t totalParsers = m_options.size() + m_args.size();
          assert(totalParsers < 512);
          // ParserInfo parseInfos[totalParsers]; // <-- this is what we really want to do
          ParserInfo parseInfos[512];

          {
            size_t i = 0;
            for (auto const &opt : m_options)
              parseInfos[i++].parser = &opt;
            for (auto const &arg : m_args)
              parseInfos[i++].parser = &arg;
          }

          m_exeName.set(exeName);

          auto result = InternalParseResult::ok(ParseState(ParseResultType::NoMatch, tokens));
          while (result.value().remainingTokens()) {
            bool tokenParsed = false;

            for (size_t i = 0; i < totalParsers; ++i) {
              auto &parseInfo = parseInfos[i];
              if (parseInfo.parser->cardinality() == 0 || parseInfo.count < parseInfo.parser->cardinality()) {
                result = parseInfo.parser->parse(exeName, result.value().remainingTokens());
                if (!result)
                  return result;
                if (result.value().type() != ParseResultType::NoMatch) {
                  tokenParsed = true;
                  ++parseInfo.count;
                  break;
                }
              }
            }

            if (result.value().type() == ParseResultType::ShortCircuitAll)
              return result;
            if (!tokenParsed)
              return InternalParseResult::runtimeError("Unrecognised token: " + result.value().remainingTokens()->token);
          }
          // !TBD Check missing required options
          return result;
        }
      };

      template<typename DerivedT>
      template<typename T>
      auto ComposableParserImpl<DerivedT>::operator|(T const &other) const -> Parser {
        return Parser() | static_cast<DerivedT const &>(*this) | other;
      }
    } // namespace detail

    // A Combined parser
    using detail::Parser;

    // A parser for options
    using detail::Opt;

    // A parser for arguments
    using detail::Arg;

    // Wrapper for argc, argv from main()
    using detail::Args;

    // Specifies the name of the executable
    using detail::ExeName;

    // Convenience wrapper for option parser that specifies the help option
    using detail::Help;

    // enum of result types from a parse
    using detail::ParseResultType;

    // Result type for parser operation
    using detail::ParserResult;

  } // namespace clara
} // namespace Catch

// end clara.hpp
#ifdef __clang__
#pragma clang diagnostic pop
#endif

// Restore Clara's value for console width, if present
#ifdef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
#define CATCH_CLARA_TEXTFLOW_CONFIG_CONSOLE_WIDTH CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
#undef CATCH_TEMP_CLARA_CONFIG_CONSOLE_WIDTH
#endif

// end catch_clara.h
namespace Catch {
  clara::Parser makeCommandLineParser(ConfigData &config);

} // end namespace Catch

// end catch_commandline.h
#include <ctime>
#include <fstream>

namespace Catch {
  clara::Parser makeCommandLineParser(ConfigData &config) {
    using namespace clara;

    auto const setWarning = [&](std::string const &warning) {
      auto warningSet = [&]() {
        if (warning == "NoAssertions")
          return WarnAbout::NoAssertions;

        if (warning == "NoTests")
          return WarnAbout::NoTests;

        return WarnAbout::Nothing;
      }();

      if (warningSet == WarnAbout::Nothing)
        return ParserResult::runtimeError("Unrecognised warning: '" + warning + "'");
      config.warnings = static_cast<WarnAbout::What>(config.warnings | warningSet);
      return ParserResult::ok(ParseResultType::Matched);
    };
    auto const loadTestNamesFromFile = [&](std::string const &filename) {
      std::ifstream f(filename.c_str());
      if (!f.is_open())
        return ParserResult::runtimeError("Unable to load input file: '" + filename + "'");

      std::string line;
      while (std::getline(f, line)) {
        line = trim(line);
        if (!line.empty() && !startsWith(line, '#')) {
          if (!startsWith(line, '"'))
            line = '"' + line + '"';
          config.testsOrTags.push_back(line);
          config.testsOrTags.emplace_back(",");
        }
      }
      // Remove comma in the end
      if (!config.testsOrTags.empty())
        config.testsOrTags.erase(config.testsOrTags.end() - 1);

      return ParserResult::ok(ParseResultType::Matched);
    };
    auto const setTestOrder = [&](std::string const &order) {
      if (startsWith("declared", order))
        config.runOrder = RunTests::InDeclarationOrder;
      else if (startsWith("lexical", order))
        config.runOrder = RunTests::InLexicographicalOrder;
      else if (startsWith("random", order))
        config.runOrder = RunTests::InRandomOrder;
      else
        return clara::ParserResult::runtimeError("Unrecognised ordering: '" + order + "'");
      return ParserResult::ok(ParseResultType::Matched);
    };
    auto const setRngSeed = [&](std::string const &seed) {
      if (seed != "time")
        return clara::detail::convertInto(seed, config.rngSeed);
      config.rngSeed = static_cast<unsigned int>(std::time(nullptr));
      return ParserResult::ok(ParseResultType::Matched);
    };
    auto const setColourUsage = [&](std::string const &useColour) {
      auto mode = toLower(useColour);

      if (mode == "yes")
        config.useColour = UseColour::Yes;
      else if (mode == "no")
        config.useColour = UseColour::No;
      else if (mode == "auto")
        config.useColour = UseColour::Auto;
      else
        return ParserResult::runtimeError("colour mode must be one of: auto, yes or no. '" + useColour + "' not recognised");
      return ParserResult::ok(ParseResultType::Matched);
    };
    auto const setWaitForKeypress = [&](std::string const &keypress) {
      auto keypressLc = toLower(keypress);
      if (keypressLc == "never")
        config.waitForKeypress = WaitForKeypress::Never;
      else if (keypressLc == "start")
        config.waitForKeypress = WaitForKeypress::BeforeStart;
      else if (keypressLc == "exit")
        config.waitForKeypress = WaitForKeypress::BeforeExit;
      else if (keypressLc == "both")
        config.waitForKeypress = WaitForKeypress::BeforeStartAndExit;
      else
        return ParserResult::runtimeError("keypress argument must be one of: never, start, exit or both. '" + keypress + "' not recognised");
      return ParserResult::ok(ParseResultType::Matched);
    };
    auto const setVerbosity = [&](std::string const &verbosity) {
      auto lcVerbosity = toLower(verbosity);
      if (lcVerbosity == "quiet")
        config.verbosity = Verbosity::Quiet;
      else if (lcVerbosity == "normal")
        config.verbosity = Verbosity::Normal;
      else if (lcVerbosity == "high")
        config.verbosity = Verbosity::High;
      else
        return ParserResult::runtimeError("Unrecognised verbosity, '" + verbosity + "'");
      return ParserResult::ok(ParseResultType::Matched);
    };
    auto const setReporter = [&](std::string const &reporter) {
      IReporterRegistry::FactoryMap const &factories = getRegistryHub().getReporterRegistry().getFactories();

      auto lcReporter = toLower(reporter);
      auto result = factories.find(lcReporter);

      if (factories.end() != result)
        config.reporterName = lcReporter;
      else
        return ParserResult::runtimeError("Unrecognized reporter, '" + reporter + "'. Check available with --list-reporters");
      return ParserResult::ok(ParseResultType::Matched);
    };

    auto cli = ExeName(config.processName) | Help(config.showHelp)
        | Opt(config.listTests)["-l"]["--list-tests"]("list all/matching test cases")
        | Opt(config.listTags)["-t"]["--list-tags"]("list all/matching tags")
        | Opt(config.showSuccessfulTests)["-s"]["--success"]("include successful tests in output")
        | Opt(config.shouldDebugBreak)["-b"]["--break"]("break into debugger on failure")
        | Opt(config.noThrow)["-e"]["--nothrow"]("skip exception tests")
        | Opt(config.showInvisibles)["-i"]["--invisibles"]("show invisibles (tabs, newlines)")
        | Opt(config.outputFilename, "filename")["-o"]["--out"]("output filename")
        | Opt(setReporter, "name")["-r"]["--reporter"]("reporter to use (defaults to console)")
        | Opt(config.name, "name")["-n"]["--name"]("suite name")
        | Opt([&](bool) { config.abortAfter = 1; })["-a"]["--abort"]("abort at first failure")
        | Opt([&](int x) { config.abortAfter = x; }, "no. failures")["-x"]["--abortx"]("abort after x failures")
        | Opt(setWarning, "warning name")["-w"]["--warn"]("enable warnings")
        | Opt([&](bool flag) { config.showDurations = flag ? ShowDurations::Always : ShowDurations::Never; },
              "yes|no")["-d"]["--durations"]("show test durations")
        | Opt(config.minDuration,
              "seconds")["-D"]["--min-duration"]("show test durations for tests taking at least the given number of seconds")
        | Opt(loadTestNamesFromFile, "filename")["-f"]["--input-file"]("load test names to run from a file")
        | Opt(config.filenamesAsTags)["-#"]["--filenames-as-tags"]("adds a tag for the filename")
        | Opt(config.sectionsToRun, "section name")["-c"]["--section"]("specify section to run")
        | Opt(setVerbosity, "quiet|normal|high")["-v"]["--verbosity"]("set output verbosity")
        | Opt(config.listTestNamesOnly)["--list-test-names-only"]("list all/matching test cases names only")
        | Opt(config.listReporters)["--list-reporters"]("list all reporters")
        | Opt(setTestOrder, "decl|lex|rand")["--order"]("test case order (defaults to decl)")
        | Opt(setRngSeed, "'time'|number")["--rng-seed"]("set a specific seed for random numbers")
        | Opt(setColourUsage, "yes|no")["--use-colour"]("should output be colourised")
        | Opt(config.libIdentify)["--libidentify"]("report name and version according to libidentify standard")
        | Opt(setWaitForKeypress, "never|start|exit|both")["--wait-for-keypress"]("waits for a keypress before exiting")
        | Opt(config.benchmarkSamples, "samples")["--benchmark-samples"]("number of samples to collect (default: 100)")
        | Opt(config.benchmarkResamples, "resamples")["--benchmark-resamples"]("number of resamples for the bootstrap (default: 100000)")
        | Opt(config.benchmarkConfidenceInterval, "confidence interval")["--benchmark-confidence-interval"](
                   "confidence interval for the bootstrap (between 0 and 1, default: 0.95)")
        | Opt(config.benchmarkNoAnalysis)["--benchmark-no-analysis"]("perform only measurements; do not perform any analysis")
        | Opt(config.benchmarkWarmupTime, "benchmarkWarmupTime")["--benchmark-warmup-time"](
                   "amount of time in milliseconds spent on warming up each test (default: 100)")
        | Arg(config.testsOrTags, "test name|pattern|tags")("which test or tests to use");

    return cli;
  }

} // end namespace Catch
// end catch_commandline.cpp
// start catch_common.cpp

#include <cstring>
#include <ostream>

namespace Catch {
  bool SourceLineInfo::operator==(SourceLineInfo const &other) const noexcept {
    return line == other.line && (file == other.file || std::strcmp(file, other.file) == 0);
  }
  bool SourceLineInfo::operator<(SourceLineInfo const &other) const noexcept {
    // We can assume that the same file will usually have the same pointer.
    // Thus, if the pointers are the same, there is no point in calling the strcmp
    return line < other.line || (line == other.line && file != other.file && (std::strcmp(file, other.file) < 0));
  }

  std::ostream &operator<<(std::ostream &os, SourceLineInfo const &info) {
#ifndef __GNUG__
    os << info.file << '(' << info.line << ')';
#else
    os << info.file << ':' << info.line;
#endif
    return os;
  }

  std::string StreamEndStop::operator+() const {
    return std::string();
  }

  NonCopyable::NonCopyable() = default;
  NonCopyable::~NonCopyable() = default;

} // namespace Catch
// end catch_common.cpp
// start catch_config.cpp

namespace Catch {
  Config::Config(ConfigData const &data)
      : m_data(data)
      , m_stream(openStream()) {
    // We need to trim filter specs to avoid trouble with superfluous
    // whitespace (esp. important for bdd macros, as those are manually
    // aligned with whitespace).

    for (auto &elem : m_data.testsOrTags) {
      elem = trim(elem);
    }
    for (auto &elem : m_data.sectionsToRun) {
      elem = trim(elem);
    }

    TestSpecParser parser(ITagAliasRegistry::get());
    if (!m_data.testsOrTags.empty()) {
      m_hasTestFilters = true;
      for (auto const &testOrTags : m_data.testsOrTags) {
        parser.parse(testOrTags);
      }
    }
    m_testSpec = parser.testSpec();
  }

  std::string const &Config::getFilename() const {
    return m_data.outputFilename;
  }

  bool Config::listTests() const {
    return m_data.listTests;
  }
  bool Config::listTestNamesOnly() const {
    return m_data.listTestNamesOnly;
  }
  bool Config::listTags() const {
    return m_data.listTags;
  }
  bool Config::listReporters() const {
    return m_data.listReporters;
  }

  std::string Config::getProcessName() const {
    return m_data.processName;
  }
  std::string const &Config::getReporterName() const {
    return m_data.reporterName;
  }

  std::vector<std::string> const &Config::getTestsOrTags() const {
    return m_data.testsOrTags;
  }
  std::vector<std::string> const &Config::getSectionsToRun() const {
    return m_data.sectionsToRun;
  }

  TestSpec const &Config::testSpec() const {
    return m_testSpec;
  }
  bool Config::hasTestFilters() const {
    return m_hasTestFilters;
  }

  bool Config::showHelp() const {
    return m_data.showHelp;
  }

  // IConfig interface
  bool Config::allowThrows() const {
    return !m_data.noThrow;
  }
  std::ostream &Config::stream() const {
    return m_stream->stream();
  }
  std::string Config::name() const {
    return m_data.name.empty() ? m_data.processName : m_data.name;
  }
  bool Config::includeSuccessfulResults() const {
    return m_data.showSuccessfulTests;
  }
  bool Config::warnAboutMissingAssertions() const {
    return !!(m_data.warnings & WarnAbout::NoAssertions);
  }
  bool Config::warnAboutNoTests() const {
    return !!(m_data.warnings & WarnAbout::NoTests);
  }
  ShowDurations::OrNot Config::showDurations() const {
    return m_data.showDurations;
  }
  double Config::minDuration() const {
    return m_data.minDuration;
  }
  RunTests::InWhatOrder Config::runOrder() const {
    return m_data.runOrder;
  }
  unsigned int Config::rngSeed() const {
    return m_data.rngSeed;
  }
  UseColour::YesOrNo Config::useColour() const {
    return m_data.useColour;
  }
  bool Config::shouldDebugBreak() const {
    return m_data.shouldDebugBreak;
  }
  int Config::abortAfter() const {
    return m_data.abortAfter;
  }
  bool Config::showInvisibles() const {
    return m_data.showInvisibles;
  }
  Verbosity Config::verbosity() const {
    return m_data.verbosity;
  }

  bool Config::benchmarkNoAnalysis() const {
    return m_data.benchmarkNoAnalysis;
  }
  int Config::benchmarkSamples() const {
    return m_data.benchmarkSamples;
  }
  double Config::benchmarkConfidenceInterval() const {
    return m_data.benchmarkConfidenceInterval;
  }
  unsigned int Config::benchmarkResamples() const {
    return m_data.benchmarkResamples;
  }
  std::chrono::milliseconds Config::benchmarkWarmupTime() const {
    return std::chrono::milliseconds(m_data.benchmarkWarmupTime);
  }

  IStream const *Config::openStream() {
    return Catch::makeStream(m_data.outputFilename);
  }

} // end namespace Catch
// end catch_config.cpp
// start catch_console_colour.cpp

#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wexit-time-destructors"
#endif

// start catch_errno_guard.h

namespace Catch {
  class ErrnoGuard {
  public:
    ErrnoGuard();
    ~ErrnoGuard();

  private:
    int m_oldErrno;
  };

} // namespace Catch

// end catch_errno_guard.h
// start catch_windows_h_proxy.h

#if defined(CATCH_PLATFORM_WINDOWS)

#if !defined(NOMINMAX) && !defined(CATCH_CONFIG_NO_NOMINMAX)
#define CATCH_DEFINED_NOMINMAX
#define NOMINMAX
#endif
#if !defined(WIN32_LEAN_AND_MEAN) && !defined(CATCH_CONFIG_NO_WIN32_LEAN_AND_MEAN)
#define CATCH_DEFINED_WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#ifdef __AFXDLL
#include <AfxWin.h>
#else
#include <windows.h>
#endif

#ifdef CATCH_DEFINED_NOMINMAX
#undef NOMINMAX
#endif
#ifdef CATCH_DEFINED_WIN32_LEAN_AND_MEAN
#undef WIN32_LEAN_AND_MEAN
#endif

#endif // defined(CATCH_PLATFORM_WINDOWS)

// end catch_windows_h_proxy.h
#include <sstream>

namespace Catch {
  namespace {
    struct IColourImpl {
      virtual ~IColourImpl() = default;
      virtual void use(Colour::Code _colourCode) = 0;
    };

    struct NoColourImpl : IColourImpl {
      void use(Colour::Code) override {}

      static IColourImpl *instance() {
        static NoColourImpl s_instance;
        return &s_instance;
      }
    };

  } // namespace
} // namespace Catch

#if !defined(CATCH_CONFIG_COLOUR_NONE) && !defined(CATCH_CONFIG_COLOUR_WINDOWS) && !defined(CATCH_CONFIG_COLOUR_ANSI)
#ifdef CATCH_PLATFORM_WINDOWS
#define CATCH_CONFIG_COLOUR_WINDOWS
#else
#define CATCH_CONFIG_COLOUR_ANSI
#endif
#endif

#if defined(CATCH_CONFIG_COLOUR_WINDOWS) /////////////////////////////////////////

namespace Catch {
  namespace {
    class Win32ColourImpl : public IColourImpl {
    public:
      Win32ColourImpl()
          : stdoutHandle(GetStdHandle(STD_OUTPUT_HANDLE)) {
        CONSOLE_SCREEN_BUFFER_INFO csbiInfo;
        GetConsoleScreenBufferInfo(stdoutHandle, &csbiInfo);
        originalForegroundAttributes = csbiInfo.wAttributes & ~(BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_BLUE | BACKGROUND_INTENSITY);
        originalBackgroundAttributes = csbiInfo.wAttributes & ~(FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
      }

      void use(Colour::Code _colourCode) override {
        switch (_colourCode) {
          case Colour::None:
            return setTextAttribute(originalForegroundAttributes);
          case Colour::White:
            return setTextAttribute(FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE);
          case Colour::Red:
            return setTextAttribute(FOREGROUND_RED);
          case Colour::Green:
            return setTextAttribute(FOREGROUND_GREEN);
          case Colour::Blue:
            return setTextAttribute(FOREGROUND_BLUE);
          case Colour::Cyan:
            return setTextAttribute(FOREGROUND_BLUE | FOREGROUND_GREEN);
          case Colour::Yellow:
            return setTextAttribute(FOREGROUND_RED | FOREGROUND_GREEN);
          case Colour::Grey:
            return setTextAttribute(0);

          case Colour::LightGrey:
            return setTextAttribute(FOREGROUND_INTENSITY);
          case Colour::BrightRed:
            return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_RED);
          case Colour::BrightGreen:
            return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_GREEN);
          case Colour::BrightWhite:
            return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE);
          case Colour::BrightYellow:
            return setTextAttribute(FOREGROUND_INTENSITY | FOREGROUND_RED | FOREGROUND_GREEN);

          case Colour::Bright:
            CATCH_INTERNAL_ERROR("not a colour");

          default:
            CATCH_ERROR("Unknown colour requested");
        }
      }

    private:
      void setTextAttribute(WORD _textAttribute) { SetConsoleTextAttribute(stdoutHandle, _textAttribute | originalBackgroundAttributes); }
      HANDLE stdoutHandle;
      WORD originalForegroundAttributes;
      WORD originalBackgroundAttributes;
    };

    IColourImpl *platformColourInstance() {
      static Win32ColourImpl s_instance;

      IConfigPtr config = getCurrentContext().getConfig();
      UseColour::YesOrNo colourMode = config ? config->useColour() : UseColour::Auto;
      if (colourMode == UseColour::Auto)
        colourMode = UseColour::Yes;
      return colourMode == UseColour::Yes ? &s_instance : NoColourImpl::instance();
    }

  } // namespace
} // namespace Catch

#elif defined(CATCH_CONFIG_COLOUR_ANSI) //////////////////////////////////////

#include <unistd.h>

namespace Catch {
  namespace {
    // use POSIX/ ANSI console terminal codes
    // Thanks to Adam Strzelecki for original contribution
    // (http://github.com/nanoant)
    // https://github.com/philsquared/Catch/pull/131
    class PosixColourImpl : public IColourImpl {
    public:
      void use(Colour::Code _colourCode) override {
        switch (_colourCode) {
          case Colour::None:
          case Colour::White:
            return setColour("[0m");
          case Colour::Red:
            return setColour("[0;31m");
          case Colour::Green:
            return setColour("[0;32m");
          case Colour::Blue:
            return setColour("[0;34m");
          case Colour::Cyan:
            return setColour("[0;36m");
          case Colour::Yellow:
            return setColour("[0;33m");
          case Colour::Grey:
            return setColour("[1;30m");

          case Colour::LightGrey:
            return setColour("[0;37m");
          case Colour::BrightRed:
            return setColour("[1;31m");
          case Colour::BrightGreen:
            return setColour("[1;32m");
          case Colour::BrightWhite:
            return setColour("[1;37m");
          case Colour::BrightYellow:
            return setColour("[1;33m");

          case Colour::Bright:
            CATCH_INTERNAL_ERROR("not a colour");
          default:
            CATCH_INTERNAL_ERROR("Unknown colour requested");
        }
      }
      static IColourImpl *instance() {
        static PosixColourImpl s_instance;
        return &s_instance;
      }

    private:
      void setColour(const char *_escapeCode) { getCurrentContext().getConfig()->stream() << '\033' << _escapeCode; }
    };

    bool useColourOnPlatform() {
      return
#if defined(CATCH_PLATFORM_MAC) || defined(CATCH_PLATFORM_IPHONE)
          !isDebuggerActive() &&
#endif
#if !(defined(__DJGPP__) && defined(__STRICT_ANSI__))
          isatty(STDOUT_FILENO)
#else
          false
#endif
              ;
    }
    IColourImpl *platformColourInstance() {
      ErrnoGuard guard;
      IConfigPtr config = getCurrentContext().getConfig();
      UseColour::YesOrNo colourMode = config ? config->useColour() : UseColour::Auto;
      if (colourMode == UseColour::Auto)
        colourMode = useColourOnPlatform() ? UseColour::Yes : UseColour::No;
      return colourMode == UseColour::Yes ? PosixColourImpl::instance() : NoColourImpl::instance();
    }

  } // namespace
} // namespace Catch

#else // not Windows or ANSI ///////////////////////////////////////////////

namespace Catch {
  static IColourImpl *platformColourInstance() {
    return NoColourImpl::instance();
  }

} // end namespace Catch

#endif // Windows/ ANSI/ None

namespace Catch {
  Colour::Colour(Code _colourCode) {
    use(_colourCode);
  }
  Colour::Colour(Colour &&other) noexcept {
    m_moved = other.m_moved;
    other.m_moved = true;
  }
  Colour &Colour::operator=(Colour &&other) noexcept {
    m_moved = other.m_moved;
    other.m_moved = true;
    return *this;
  }

  Colour::~Colour() {
    if (!m_moved)
      use(None);
  }

  void Colour::use(Code _colourCode) {
    static IColourImpl *impl = platformColourInstance();
    // Strictly speaking, this cannot possibly happen.
    // However, under some conditions it does happen (see #1626),
    // and this change is small enough that we can let practicality
    // triumph over purity in this case.
    if (impl != nullptr) {
      impl->use(_colourCode);
    }
  }

  std::ostream &operator<<(std::ostream &os, Colour const &) {
    return os;
  }

} // end namespace Catch

#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// end catch_console_colour.cpp
// start catch_context.cpp

namespace Catch {
  class Context : public IMutableContext, NonCopyable {
  public: // IContext
    IResultCapture *getResultCapture() override { return m_resultCapture; }
    IRunner *getRunner() override { return m_runner; }

    IConfigPtr const &getConfig() const override { return m_config; }

    ~Context() override;

  public: // IMutableContext
    void setResultCapture(IResultCapture *resultCapture) override { m_resultCapture = resultCapture; }
    void setRunner(IRunner *runner) override { m_runner = runner; }
    void setConfig(IConfigPtr const &config) override { m_config = config; }

    friend IMutableContext &getCurrentMutableContext();

  private:
    IConfigPtr m_config;
    IRunner *m_runner = nullptr;
    IResultCapture *m_resultCapture = nullptr;
  };

  IMutableContext *IMutableContext::currentContext = nullptr;

  void IMutableContext::createContext() {
    currentContext = new Context();
  }

  void cleanUpContext() {
    delete IMutableContext::currentContext;
    IMutableContext::currentContext = nullptr;
  }
  IContext::~IContext() = default;
  IMutableContext::~IMutableContext() = default;
  Context::~Context() = default;

  SimplePcg32 &rng() {
    static SimplePcg32 s_rng;
    return s_rng;
  }

} // namespace Catch
// end catch_context.cpp
// start catch_debug_console.cpp

// start catch_debug_console.h

#include <string>

namespace Catch {
  void writeToDebugConsole(std::string const &text);
}

// end catch_debug_console.h
#if defined(CATCH_CONFIG_ANDROID_LOGWRITE)
#include <android/log.h>

namespace Catch {
  void writeToDebugConsole(std::string const &text) {
    __android_log_write(ANDROID_LOG_DEBUG, "Catch", text.c_str());
  }
} // namespace Catch

#elif defined(CATCH_PLATFORM_WINDOWS)

namespace Catch {
  void writeToDebugConsole(std::string const &text) {
    ::OutputDebugStringA(text.c_str());
  }
} // namespace Catch

#else

namespace Catch {
  void writeToDebugConsole(std::string const &text) {
    // !TBD: Need a version for Mac/ XCode and other IDEs
    Catch::cout() << text;
  }
} // namespace Catch

#endif // Platform \
    // end catch_debug_console.cpp
// start catch_debugger.cpp

#if defined(CATCH_PLATFORM_MAC) || defined(CATCH_PLATFORM_IPHONE)

#include <cassert>
#include <cstddef>
#include <ostream>
#include <sys/types.h>
#include <unistd.h>

#ifdef __apple_build_version__
// These headers will only compile with AppleClang (XCode)
// For other compilers (Clang, GCC, ... ) we need to exclude them
#include <sys/sysctl.h>
#endif

namespace Catch {
#ifdef __apple_build_version__
  // The following function is taken directly from the following technical note:
  // https://developer.apple.com/library/archive/qa/qa1361/_index.html

  // Returns true if the current process is being debugged (either
  // running under the debugger or has a debugger attached post facto).
  bool isDebuggerActive() {
    int mib[4];
    struct kinfo_proc info;
    std::size_t size;

    // Initialize the flags so that, if sysctl fails for some bizarre
    // reason, we get a predictable result.

    info.kp_proc.p_flag = 0;

    // Initialize mib, which tells sysctl the info we want, in this case
    // we're looking for information about a specific process ID.

    mib[0] = CTL_KERN;
    mib[1] = KERN_PROC;
    mib[2] = KERN_PROC_PID;
    mib[3] = getpid();

    // Call sysctl.

    size = sizeof(info);
    if (sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, nullptr, 0) != 0) {
      Catch::cerr() << "\n** Call to sysctl failed - unable to determine if debugger is active **\n"
                    << std::endl;
      return false;
    }

    // We're being debugged if the P_TRACED flag is set.

    return ((info.kp_proc.p_flag & P_TRACED) != 0);
  }
#else
  bool isDebuggerActive() {
    // We need to find another way to determine this for non-appleclang compilers on macOS
    return false;
  }
#endif
} // namespace Catch

#elif defined(CATCH_PLATFORM_LINUX)
#include <fstream>
#include <string>

namespace Catch {
  // The standard POSIX way of detecting a debugger is to attempt to
  // ptrace() the process, but this needs to be done from a child and not
  // this process itself to still allow attaching to this process later
  // if wanted, so is rather heavy. Under Linux we have the PID of the
  // "debugger" (which doesn't need to be gdb, of course, it could also
  // be strace, for example) in /proc/$PID/status, so just get it from
  // there instead.
  bool isDebuggerActive() {
    // Libstdc++ has a bug, where std::ifstream sets errno to 0
    // This way our users can properly assert over errno values
    ErrnoGuard guard;
    std::ifstream in("/proc/self/status");
    for (std::string line; std::getline(in, line);) {
      static const int PREFIX_LEN = 11;
      if (line.compare(0, PREFIX_LEN, "TracerPid:\t") == 0) {
        // We're traced if the PID is not 0 and no other PID starts
        // with 0 digit, so it's enough to check for just a single
        // character.
        return line.length() > PREFIX_LEN && line[PREFIX_LEN] != '0';
      }
    }

    return false;
  }
} // namespace Catch
#elif defined(_MSC_VER)
extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
namespace Catch {
  bool isDebuggerActive() {
    return IsDebuggerPresent() != 0;
  }
} // namespace Catch
#elif defined(__MINGW32__)
extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent();
namespace Catch {
  bool isDebuggerActive() {
    return IsDebuggerPresent() != 0;
  }
} // namespace Catch
#else
namespace Catch {
  bool isDebuggerActive() {
    return false;
  }
} // namespace Catch
#endif // Platform
// end catch_debugger.cpp
// start catch_decomposer.cpp

namespace Catch {
  ITransientExpression::~ITransientExpression() = default;

  void formatReconstructedExpression(std::ostream &os, std::string const &lhs, StringRef op, std::string const &rhs) {
    if (lhs.size() + rhs.size() < 40 && lhs.find('\n') == std::string::npos && rhs.find('\n') == std::string::npos)
      os << lhs << " " << op << " " << rhs;
    else
      os << lhs << "\n"
         << op << "\n"
         << rhs;
  }
} // namespace Catch
// end catch_decomposer.cpp
// start catch_enforce.cpp

#include <stdexcept>

namespace Catch {
#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS) && !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS_CUSTOM_HANDLER)
  [[noreturn]] void throw_exception(std::exception const &e) {
    Catch::cerr() << "Catch will terminate because it needed to throw an exception.\n"
                  << "The message was: " << e.what() << '\n';
    std::terminate();
  }
#endif

  [[noreturn]] void throw_logic_error(std::string const &msg) {
    throw_exception(std::logic_error(msg));
  }

  [[noreturn]] void throw_domain_error(std::string const &msg) {
    throw_exception(std::domain_error(msg));
  }

  [[noreturn]] void throw_runtime_error(std::string const &msg) {
    throw_exception(std::runtime_error(msg));
  }

} // namespace Catch
// end catch_enforce.cpp
// start catch_enum_values_registry.cpp
// start catch_enum_values_registry.h

#include <memory>
#include <vector>

namespace Catch {
  namespace Detail {
    std::unique_ptr<EnumInfo> makeEnumInfo(StringRef enumName, StringRef allValueNames, std::vector<int> const &values);

    class EnumValuesRegistry : public IMutableEnumValuesRegistry {
      std::vector<std::unique_ptr<EnumInfo>> m_enumInfos;

      EnumInfo const &registerEnum(StringRef enumName, StringRef allEnums, std::vector<int> const &values) override;
    };

    std::vector<StringRef> parseEnums(StringRef enums);

  } // namespace Detail
} // namespace Catch

// end catch_enum_values_registry.h

#include <cassert>
#include <map>

namespace Catch {
  IMutableEnumValuesRegistry::~IMutableEnumValuesRegistry() {}

  namespace Detail {
    namespace {
      // Extracts the actual name part of an enum instance
      // In other words, it returns the Blue part of Bikeshed::Colour::Blue
      StringRef extractInstanceName(StringRef enumInstance) {
        // Find last occurrence of ":"
        size_t name_start = enumInstance.size();
        while (name_start > 0 && enumInstance[name_start - 1] != ':') {
          --name_start;
        }
        return enumInstance.substr(name_start, enumInstance.size() - name_start);
      }
    } // namespace

    std::vector<StringRef> parseEnums(StringRef enums) {
      auto enumValues = splitStringRef(enums, ',');
      std::vector<StringRef> parsed;
      parsed.reserve(enumValues.size());
      for (auto const &enumValue : enumValues) {
        parsed.push_back(trim(extractInstanceName(enumValue)));
      }
      return parsed;
    }

    EnumInfo::~EnumInfo() {}

    StringRef EnumInfo::lookup(int value) const {
      for (auto const &valueToName : m_values) {
        if (valueToName.first == value)
          return valueToName.second;
      }
      return "{** unexpected enum value **}"_sr;
    }

    std::unique_ptr<EnumInfo> makeEnumInfo(StringRef enumName, StringRef allValueNames, std::vector<int> const &values) {
      std::unique_ptr<EnumInfo> enumInfo(new EnumInfo);
      enumInfo->m_name = enumName;
      enumInfo->m_values.reserve(values.size());

      const auto valueNames = Catch::Detail::parseEnums(allValueNames);
      assert(valueNames.size() == values.size());
      std::size_t i = 0;
      for (auto value : values)
        enumInfo->m_values.emplace_back(value, valueNames[i++]);

      return enumInfo;
    }

    EnumInfo const &EnumValuesRegistry::registerEnum(StringRef enumName, StringRef allValueNames, std::vector<int> const &values) {
      m_enumInfos.push_back(makeEnumInfo(enumName, allValueNames, values));
      return *m_enumInfos.back();
    }

  } // namespace Detail
} // namespace Catch

// end catch_enum_values_registry.cpp
// start catch_errno_guard.cpp

#include <cerrno>

namespace Catch {
  ErrnoGuard::ErrnoGuard()
      : m_oldErrno(errno) {
  }
  ErrnoGuard::~ErrnoGuard() {
    errno = m_oldErrno;
  }
} // namespace Catch
// end catch_errno_guard.cpp
// start catch_exception_translator_registry.cpp

// start catch_exception_translator_registry.h

#include <memory>
#include <string>
#include <vector>

namespace Catch {
  class ExceptionTranslatorRegistry : public IExceptionTranslatorRegistry {
  public:
    ~ExceptionTranslatorRegistry();
    virtual void registerTranslator(const IExceptionTranslator *translator);
    std::string translateActiveException() const override;
    std::string tryTranslators() const;

  private:
    std::vector<std::unique_ptr<IExceptionTranslator const>> m_translators;
  };
} // namespace Catch

// end catch_exception_translator_registry.h
#ifdef __OBJC__
#import "Foundation/Foundation.h"
#endif

namespace Catch {
  ExceptionTranslatorRegistry::~ExceptionTranslatorRegistry() {}

  void ExceptionTranslatorRegistry::registerTranslator(const IExceptionTranslator *translator) {
    m_translators.push_back(std::unique_ptr<const IExceptionTranslator>(translator));
  }

#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
  std::string ExceptionTranslatorRegistry::translateActiveException() const {
    try {
#ifdef __OBJC__
      // In Objective-C try objective-c exceptions first
      @try {
        return tryTranslators();
      } @catch (NSException *exception) {
        return Catch::Detail::stringify([exception description]);
      }
#else
      // Compiling a mixed mode project with MSVC means that CLR
      // exceptions will be caught in (...) as well. However, these
      // do not fill-in std::current_exception and thus lead to crash
      // when attempting rethrow.
      // /EHa switch also causes structured exceptions to be caught
      // here, but they fill-in current_exception properly, so
      // at worst the output should be a little weird, instead of
      // causing a crash.
      if (std::current_exception() == nullptr) {
        return "Non C++ exception. Possibly a CLR exception.";
      }
      return tryTranslators();
#endif
    } catch (TestFailureException &) {
      std::rethrow_exception(std::current_exception());
    } catch (std::exception &ex) {
      return ex.what();
    } catch (std::string &msg) {
      return msg;
    } catch (const char *msg) {
      return msg;
    } catch (...) {
      return "Unknown exception";
    }
  }

  std::string ExceptionTranslatorRegistry::tryTranslators() const {
    if (m_translators.empty()) {
      std::rethrow_exception(std::current_exception());
    } else {
      return m_translators[0]->translate(m_translators.begin() + 1, m_translators.end());
    }
  }

#else // ^^ Exceptions are enabled // Exceptions are disabled vv
  std::string ExceptionTranslatorRegistry::translateActiveException() const {
    CATCH_INTERNAL_ERROR("Attempted to translate active exception under CATCH_CONFIG_DISABLE_EXCEPTIONS!");
  }

  std::string ExceptionTranslatorRegistry::tryTranslators() const {
    CATCH_INTERNAL_ERROR("Attempted to use exception translators under CATCH_CONFIG_DISABLE_EXCEPTIONS!");
  }
#endif

} // namespace Catch
// end catch_exception_translator_registry.cpp
// start catch_fatal_condition.cpp

#include <algorithm>

#if !defined(CATCH_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_POSIX_SIGNALS)

namespace Catch {
  // If neither SEH nor signal handling is required, the handler impls
  // do not have to do anything, and can be empty.
  void FatalConditionHandler::engage_platform() {}
  void FatalConditionHandler::disengage_platform() {}
  FatalConditionHandler::FatalConditionHandler() = default;
  FatalConditionHandler::~FatalConditionHandler() = default;

} // end namespace Catch

#endif // !CATCH_CONFIG_WINDOWS_SEH && !CATCH_CONFIG_POSIX_SIGNALS

#if defined(CATCH_CONFIG_WINDOWS_SEH) && defined(CATCH_CONFIG_POSIX_SIGNALS)
#error "Inconsistent configuration: Windows' SEH handling and POSIX signals cannot be enabled at the same time"
#endif // CATCH_CONFIG_WINDOWS_SEH && CATCH_CONFIG_POSIX_SIGNALS

#if defined(CATCH_CONFIG_WINDOWS_SEH) || defined(CATCH_CONFIG_POSIX_SIGNALS)

namespace {
  //! Signals fatal error message to the run context
  void reportFatal(char const *const message) {
    Catch::getCurrentContext().getResultCapture()->handleFatalErrorCondition(message);
  }

  //! Minimal size Catch2 needs for its own fatal error handling.
  //! Picked anecdotally, so it might not be sufficient on all
  //! platforms, and for all configurations.
  constexpr std::size_t minStackSizeForErrors = 32 * 1024;
} // end unnamed namespace

#endif // CATCH_CONFIG_WINDOWS_SEH || CATCH_CONFIG_POSIX_SIGNALS

#if defined(CATCH_CONFIG_WINDOWS_SEH)

namespace Catch {
  struct SignalDefs {
    DWORD id;
    const char *name;
  };

  // There is no 1-1 mapping between signals and windows exceptions.
  // Windows can easily distinguish between SO and SigSegV,
  // but SigInt, SigTerm, etc are handled differently.
  static SignalDefs signalDefs[] = {
      {static_cast<DWORD>(EXCEPTION_ILLEGAL_INSTRUCTION), "SIGILL - Illegal instruction signal"},
      {static_cast<DWORD>(EXCEPTION_STACK_OVERFLOW), "SIGSEGV - Stack overflow"},
      {static_cast<DWORD>(EXCEPTION_ACCESS_VIOLATION), "SIGSEGV - Segmentation violation signal"},
      {static_cast<DWORD>(EXCEPTION_INT_DIVIDE_BY_ZERO), "Divide by zero error"},
  };

  static LONG CALLBACK handleVectoredException(PEXCEPTION_POINTERS ExceptionInfo) {
    for (auto const &def : signalDefs) {
      if (ExceptionInfo->ExceptionRecord->ExceptionCode == def.id) {
        reportFatal(def.name);
      }
    }
    // If its not an exception we care about, pass it along.
    // This stops us from eating debugger breaks etc.
    return EXCEPTION_CONTINUE_SEARCH;
  }

  // Since we do not support multiple instantiations, we put these
  // into global variables and rely on cleaning them up in outlined
  // constructors/destructors
  static PVOID exceptionHandlerHandle = nullptr;

  // For MSVC, we reserve part of the stack memory for handling
  // memory overflow structured exception.
  FatalConditionHandler::FatalConditionHandler() {
    ULONG guaranteeSize = static_cast<ULONG>(minStackSizeForErrors);
    if (!SetThreadStackGuarantee(&guaranteeSize)) {
      // We do not want to fully error out, because needing
      // the stack reserve should be rare enough anyway.
      Catch::cerr() << "Failed to reserve piece of stack."
                    << " Stack overflows will not be reported successfully.";
    }
  }

  // We do not attempt to unset the stack guarantee, because
  // Windows does not support lowering the stack size guarantee.
  FatalConditionHandler::~FatalConditionHandler() = default;

  void FatalConditionHandler::engage_platform() {
    // Register as first handler in current chain
    exceptionHandlerHandle = AddVectoredExceptionHandler(1, handleVectoredException);
    if (!exceptionHandlerHandle) {
      CATCH_RUNTIME_ERROR("Could not register vectored exception handler");
    }
  }

  void FatalConditionHandler::disengage_platform() {
    if (!RemoveVectoredExceptionHandler(exceptionHandlerHandle)) {
      CATCH_RUNTIME_ERROR("Could not unregister vectored exception handler");
    }
    exceptionHandlerHandle = nullptr;
  }

} // end namespace Catch

#endif // CATCH_CONFIG_WINDOWS_SEH

#if defined(CATCH_CONFIG_POSIX_SIGNALS)

#include <signal.h>

namespace Catch {
  struct SignalDefs {
    int id;
    const char *name;
  };

  static SignalDefs signalDefs[] = {{SIGINT, "SIGINT - Terminal interrupt signal"},
                                    {SIGILL, "SIGILL - Illegal instruction signal"},
                                    {SIGFPE, "SIGFPE - Floating point error signal"},
                                    {SIGSEGV, "SIGSEGV - Segmentation violation signal"},
                                    {SIGTERM, "SIGTERM - Termination request signal"},
                                    {SIGABRT, "SIGABRT - Abort (abnormal termination) signal"}};

// Older GCCs trigger -Wmissing-field-initializers for T foo = {}
// which is zero initialization, but not explicit. We want to avoid
// that.
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
#endif

  static char *altStackMem = nullptr;
  static std::size_t altStackSize = 0;
  static stack_t oldSigStack{};
  static struct sigaction oldSigActions[sizeof(signalDefs) / sizeof(SignalDefs)]{};

  static void restorePreviousSignalHandlers() {
    // We set signal handlers back to the previous ones. Hopefully
    // nobody overwrote them in the meantime, and doesn't expect
    // their signal handlers to live past ours given that they
    // installed them after ours..
    for (std::size_t i = 0; i < sizeof(signalDefs) / sizeof(SignalDefs); ++i) {
      sigaction(signalDefs[i].id, &oldSigActions[i], nullptr);
    }
    // Return the old stack
    sigaltstack(&oldSigStack, nullptr);
  }

  static void handleSignal(int sig) {
    char const *name = "<unknown signal>";
    for (auto const &def : signalDefs) {
      if (sig == def.id) {
        name = def.name;
        break;
      }
    }
    // We need to restore previous signal handlers and let them do
    // their thing, so that the users can have the debugger break
    // when a signal is raised, and so on.
    restorePreviousSignalHandlers();
    reportFatal(name);
    raise(sig);
  }

  FatalConditionHandler::FatalConditionHandler() {
    assert(!altStackMem && "Cannot initialize POSIX signal handler when one already exists");
    if (altStackSize == 0) {
      altStackSize = std::max(static_cast<size_t>(SIGSTKSZ), minStackSizeForErrors);
    }
    altStackMem = new char[altStackSize]();
  }

  FatalConditionHandler::~FatalConditionHandler() {
    delete[] altStackMem;
    // We signal that another instance can be constructed by zeroing
    // out the pointer.
    altStackMem = nullptr;
  }

  void FatalConditionHandler::engage_platform() {
    stack_t sigStack;
    sigStack.ss_sp = altStackMem;
    sigStack.ss_size = altStackSize;
    sigStack.ss_flags = 0;
    sigaltstack(&sigStack, &oldSigStack);
    struct sigaction sa = {};

    sa.sa_handler = handleSignal;
    sa.sa_flags = SA_ONSTACK;
    for (std::size_t i = 0; i < sizeof(signalDefs) / sizeof(SignalDefs); ++i) {
      sigaction(signalDefs[i].id, &sa, &oldSigActions[i]);
    }
  }

#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif

  void FatalConditionHandler::disengage_platform() {
    restorePreviousSignalHandlers();
  }

} // end namespace Catch

#endif // CATCH_CONFIG_POSIX_SIGNALS \
    // end catch_fatal_condition.cpp
// start catch_generators.cpp

#include <limits>
#include <set>

namespace Catch {
  IGeneratorTracker::~IGeneratorTracker() {}

  const char *GeneratorException::what() const noexcept {
    return m_msg;
  }

  namespace Generators {
    GeneratorUntypedBase::~GeneratorUntypedBase() {}

    auto acquireGeneratorTracker(StringRef generatorName, SourceLineInfo const &lineInfo) -> IGeneratorTracker & {
      return getResultCapture().acquireGeneratorTracker(generatorName, lineInfo);
    }

  } // namespace Generators
} // namespace Catch
// end catch_generators.cpp
// start catch_interfaces_capture.cpp

namespace Catch {
  IResultCapture::~IResultCapture() = default;
}
// end catch_interfaces_capture.cpp
// start catch_interfaces_config.cpp

namespace Catch {
  IConfig::~IConfig() = default;
}
// end catch_interfaces_config.cpp
// start catch_interfaces_exception.cpp

namespace Catch {
  IExceptionTranslator::~IExceptionTranslator() = default;
  IExceptionTranslatorRegistry::~IExceptionTranslatorRegistry() = default;
} // namespace Catch
// end catch_interfaces_exception.cpp
// start catch_interfaces_registry_hub.cpp

namespace Catch {
  IRegistryHub::~IRegistryHub() = default;
  IMutableRegistryHub::~IMutableRegistryHub() = default;
} // namespace Catch
// end catch_interfaces_registry_hub.cpp
// start catch_interfaces_reporter.cpp

// start catch_reporter_listening.h

namespace Catch {
  class ListeningReporter : public IStreamingReporter {
    using Reporters = std::vector<IStreamingReporterPtr>;
    Reporters m_listeners;
    IStreamingReporterPtr m_reporter = nullptr;
    ReporterPreferences m_preferences;

  public:
    ListeningReporter();

    void addListener(IStreamingReporterPtr &&listener);
    void addReporter(IStreamingReporterPtr &&reporter);

  public: // IStreamingReporter
    ReporterPreferences getPreferences() const override;

    void noMatchingTestCases(std::string const &spec) override;

    void reportInvalidArguments(std::string const &arg) override;

    static std::set<Verbosity> getSupportedVerbosities();

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
    void benchmarkPreparing(std::string const &name) override;
    void benchmarkStarting(BenchmarkInfo const &benchmarkInfo) override;
    void benchmarkEnded(BenchmarkStats<> const &benchmarkStats) override;
    void benchmarkFailed(std::string const &) override;
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

    void testRunStarting(TestRunInfo const &testRunInfo) override;
    void testGroupStarting(GroupInfo const &groupInfo) override;
    void testCaseStarting(TestCaseInfo const &testInfo) override;
    void sectionStarting(SectionInfo const &sectionInfo) override;
    void assertionStarting(AssertionInfo const &assertionInfo) override;

    // The return value indicates if the messages buffer should be cleared:
    bool assertionEnded(AssertionStats const &assertionStats) override;
    void sectionEnded(SectionStats const &sectionStats) override;
    void testCaseEnded(TestCaseStats const &testCaseStats) override;
    void testGroupEnded(TestGroupStats const &testGroupStats) override;
    void testRunEnded(TestRunStats const &testRunStats) override;

    void skipTest(TestCaseInfo const &testInfo) override;
    bool isMulti() const override;
  };

} // end namespace Catch

// end catch_reporter_listening.h
namespace Catch {
  ReporterConfig::ReporterConfig(IConfigPtr const &_fullConfig)
      : m_stream(&_fullConfig->stream())
      , m_fullConfig(_fullConfig) {
  }

  ReporterConfig::ReporterConfig(IConfigPtr const &_fullConfig, std::ostream &_stream)
      : m_stream(&_stream)
      , m_fullConfig(_fullConfig) {
  }

  std::ostream &ReporterConfig::stream() const {
    return *m_stream;
  }
  IConfigPtr ReporterConfig::fullConfig() const {
    return m_fullConfig;
  }

  TestRunInfo::TestRunInfo(std::string const &_name)
      : name(_name) {
  }

  GroupInfo::GroupInfo(std::string const &_name, std::size_t _groupIndex, std::size_t _groupsCount)
      : name(_name)
      , groupIndex(_groupIndex)
      , groupsCounts(_groupsCount) {
  }

  AssertionStats::AssertionStats(AssertionResult const &_assertionResult, std::vector<MessageInfo> const &_infoMessages, Totals const &_totals)
      : assertionResult(_assertionResult)
      , infoMessages(_infoMessages)
      , totals(_totals) {
    assertionResult.m_resultData.lazyExpression.m_transientExpression = _assertionResult.m_resultData.lazyExpression.m_transientExpression;

    if (assertionResult.hasMessage()) {
      // Copy message into messages list.
      // !TBD This should have been done earlier, somewhere
      MessageBuilder builder(assertionResult.getTestMacroName(), assertionResult.getSourceInfo(), assertionResult.getResultType());
      builder << assertionResult.getMessage();
      builder.m_info.message = builder.m_stream.str();

      infoMessages.push_back(builder.m_info);
    }
  }

  AssertionStats::~AssertionStats() = default;

  SectionStats::SectionStats(SectionInfo const &_sectionInfo, Counts const &_assertions, double _durationInSeconds, bool _missingAssertions)
      : sectionInfo(_sectionInfo)
      , assertions(_assertions)
      , durationInSeconds(_durationInSeconds)
      , missingAssertions(_missingAssertions) {
  }

  SectionStats::~SectionStats() = default;

  TestCaseStats::TestCaseStats(TestCaseInfo const &_testInfo, Totals const &_totals, std::string const &_stdOut, std::string const &_stdErr, bool _aborting)
      : testInfo(_testInfo)
      , totals(_totals)
      , stdOut(_stdOut)
      , stdErr(_stdErr)
      , aborting(_aborting) {
  }

  TestCaseStats::~TestCaseStats() = default;

  TestGroupStats::TestGroupStats(GroupInfo const &_groupInfo, Totals const &_totals, bool _aborting)
      : groupInfo(_groupInfo)
      , totals(_totals)
      , aborting(_aborting) {
  }

  TestGroupStats::TestGroupStats(GroupInfo const &_groupInfo)
      : groupInfo(_groupInfo)
      , aborting(false) {
  }

  TestGroupStats::~TestGroupStats() = default;

  TestRunStats::TestRunStats(TestRunInfo const &_runInfo, Totals const &_totals, bool _aborting)
      : runInfo(_runInfo)
      , totals(_totals)
      , aborting(_aborting) {
  }

  TestRunStats::~TestRunStats() = default;

  void IStreamingReporter::fatalErrorEncountered(StringRef) {}
  bool IStreamingReporter::isMulti() const {
    return false;
  }

  IReporterFactory::~IReporterFactory() = default;
  IReporterRegistry::~IReporterRegistry() = default;

} // end namespace Catch
// end catch_interfaces_reporter.cpp
// start catch_interfaces_runner.cpp

namespace Catch {
  IRunner::~IRunner() = default;
}
// end catch_interfaces_runner.cpp
// start catch_interfaces_testcase.cpp

namespace Catch {
  ITestInvoker::~ITestInvoker() = default;
  ITestCaseRegistry::~ITestCaseRegistry() = default;
} // namespace Catch
// end catch_interfaces_testcase.cpp
// start catch_leak_detector.cpp

#ifdef CATCH_CONFIG_WINDOWS_CRTDBG
#include <crtdbg.h>

namespace Catch {
  LeakDetector::LeakDetector() {
    int flag = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
    flag |= _CRTDBG_LEAK_CHECK_DF;
    flag |= _CRTDBG_ALLOC_MEM_DF;
    _CrtSetDbgFlag(flag);
    _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
    _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
    // Change this to leaking allocation's number to break there
    _CrtSetBreakAlloc(-1);
  }
} // namespace Catch

#else

Catch::LeakDetector::LeakDetector() {
}

#endif

Catch::LeakDetector::~LeakDetector() {
  Catch::cleanUp();
}
// end catch_leak_detector.cpp
// start catch_list.cpp

// start catch_list.h

#include <set>

namespace Catch {
  std::size_t listTests(Config const &config);

  std::size_t listTestsNamesOnly(Config const &config);

  struct TagInfo {
    void add(std::string const &spelling);
    std::string all() const;

    std::set<std::string> spellings;
    std::size_t count = 0;
  };

  std::size_t listTags(Config const &config);

  std::size_t listReporters();

  Option<std::size_t> list(std::shared_ptr<Config> const &config);

} // end namespace Catch

// end catch_list.h
// start catch_text.h

namespace Catch {
  using namespace clara::TextFlow;
}

// end catch_text.h
#include <algorithm>
#include <iomanip>
#include <limits>

namespace Catch {
  std::size_t listTests(Config const &config) {
    TestSpec const &testSpec = config.testSpec();
    if (config.hasTestFilters())
      Catch::cout() << "Matching test cases:\n";
    else {
      Catch::cout() << "All available test cases:\n";
    }

    auto matchedTestCases = filterTests(getAllTestCasesSorted(config), testSpec, config);
    for (auto const &testCaseInfo : matchedTestCases) {
      Colour::Code colour = testCaseInfo.isHidden() ? Colour::SecondaryText : Colour::None;
      Colour colourGuard(colour);

      Catch::cout() << Column(testCaseInfo.name).initialIndent(2).indent(4) << "\n";
      if (config.verbosity() >= Verbosity::High) {
        Catch::cout() << Column(Catch::Detail::stringify(testCaseInfo.lineInfo)).indent(4) << std::endl;
        std::string description = testCaseInfo.description;
        if (description.empty())
          description = "(NO DESCRIPTION)";
        Catch::cout() << Column(description).indent(4) << std::endl;
      }
      if (!testCaseInfo.tags.empty())
        Catch::cout() << Column(testCaseInfo.tagsAsString()).indent(6) << "\n";
    }

    if (!config.hasTestFilters())
      Catch::cout() << pluralise(matchedTestCases.size(), "test case") << '\n'
                    << std::endl;
    else
      Catch::cout() << pluralise(matchedTestCases.size(), "matching test case") << '\n'
                    << std::endl;
    return matchedTestCases.size();
  }

  std::size_t listTestsNamesOnly(Config const &config) {
    TestSpec const &testSpec = config.testSpec();
    std::size_t matchedTests = 0;
    std::vector<TestCase> matchedTestCases = filterTests(getAllTestCasesSorted(config), testSpec, config);
    for (auto const &testCaseInfo : matchedTestCases) {
      matchedTests++;
      if (startsWith(testCaseInfo.name, '#'))
        Catch::cout() << '"' << testCaseInfo.name << '"';
      else
        Catch::cout() << testCaseInfo.name;
      if (config.verbosity() >= Verbosity::High)
        Catch::cout() << "\t@" << testCaseInfo.lineInfo;
      Catch::cout() << std::endl;
    }
    return matchedTests;
  }

  void TagInfo::add(std::string const &spelling) {
    ++count;
    spellings.insert(spelling);
  }

  std::string TagInfo::all() const {
    size_t size = 0;
    for (auto const &spelling : spellings) {
      // Add 2 for the brackes
      size += spelling.size() + 2;
    }

    std::string out;
    out.reserve(size);
    for (auto const &spelling : spellings) {
      out += '[';
      out += spelling;
      out += ']';
    }
    return out;
  }

  std::size_t listTags(Config const &config) {
    TestSpec const &testSpec = config.testSpec();
    if (config.hasTestFilters())
      Catch::cout() << "Tags for matching test cases:\n";
    else {
      Catch::cout() << "All available tags:\n";
    }

    std::map<std::string, TagInfo> tagCounts;

    std::vector<TestCase> matchedTestCases = filterTests(getAllTestCasesSorted(config), testSpec, config);
    for (auto const &testCase : matchedTestCases) {
      for (auto const &tagName : testCase.getTestCaseInfo().tags) {
        std::string lcaseTagName = toLower(tagName);
        auto countIt = tagCounts.find(lcaseTagName);
        if (countIt == tagCounts.end())
          countIt = tagCounts.insert(std::make_pair(lcaseTagName, TagInfo())).first;
        countIt->second.add(tagName);
      }
    }

    for (auto const &tagCount : tagCounts) {
      ReusableStringStream rss;
      rss << "  " << std::setw(2) << tagCount.second.count << "  ";
      auto str = rss.str();
      auto wrapper = Column(tagCount.second.all()).initialIndent(0).indent(str.size()).width(CATCH_CONFIG_CONSOLE_WIDTH - 10);
      Catch::cout() << str << wrapper << '\n';
    }
    Catch::cout() << pluralise(tagCounts.size(), "tag") << '\n'
                  << std::endl;
    return tagCounts.size();
  }

  std::size_t listReporters() {
    Catch::cout() << "Available reporters:\n";
    IReporterRegistry::FactoryMap const &factories = getRegistryHub().getReporterRegistry().getFactories();
    std::size_t maxNameLen = 0;
    for (auto const &factoryKvp : factories)
      maxNameLen = (std::max)(maxNameLen, factoryKvp.first.size());

    for (auto const &factoryKvp : factories) {
      Catch::cout() << Column(factoryKvp.first + ":").indent(2).width(5 + maxNameLen)
              + Column(factoryKvp.second->getDescription()).initialIndent(0).indent(2).width(CATCH_CONFIG_CONSOLE_WIDTH - maxNameLen - 8)
                    << "\n";
    }
    Catch::cout() << std::endl;
    return factories.size();
  }

  Option<std::size_t> list(std::shared_ptr<Config> const &config) {
    Option<std::size_t> listedCount;
    getCurrentMutableContext().setConfig(config);
    if (config->listTests())
      listedCount = listedCount.valueOr(0) + listTests(*config);
    if (config->listTestNamesOnly())
      listedCount = listedCount.valueOr(0) + listTestsNamesOnly(*config);
    if (config->listTags())
      listedCount = listedCount.valueOr(0) + listTags(*config);
    if (config->listReporters())
      listedCount = listedCount.valueOr(0) + listReporters();
    return listedCount;
  }

} // end namespace Catch
// end catch_list.cpp
// start catch_matchers.cpp

namespace Catch {
  namespace Matchers {
    namespace Impl {
      std::string MatcherUntypedBase::toString() const {
        if (m_cachedToString.empty())
          m_cachedToString = describe();
        return m_cachedToString;
      }

      MatcherUntypedBase::~MatcherUntypedBase() = default;

    } // namespace Impl
  } // namespace Matchers

  using namespace Matchers;
  using Matchers::Impl::MatcherBase;

} // namespace Catch
// end catch_matchers.cpp
// start catch_matchers_exception.cpp

namespace Catch {
  namespace Matchers {
    namespace Exception {
      bool ExceptionMessageMatcher::match(std::exception const &ex) const {
        return ex.what() == m_message;
      }

      std::string ExceptionMessageMatcher::describe() const {
        return "exception message matches \"" + m_message + "\"";
      }

    } // namespace Exception
    Exception::ExceptionMessageMatcher Message(std::string const &message) {
      return Exception::ExceptionMessageMatcher(message);
    }

    // namespace Exception
  } // namespace Matchers
} // namespace Catch
// end catch_matchers_exception.cpp
// start catch_matchers_floating.cpp

// start catch_polyfills.hpp

namespace Catch {
  bool isnan(float f);
  bool isnan(double d);
} // namespace Catch

// end catch_polyfills.hpp
// start catch_to_string.hpp

#include <string>

namespace Catch {
  template<typename T>
  std::string to_string(T const &t) {
#if defined(CATCH_CONFIG_CPP11_TO_STRING)
    return std::to_string(t);
#else
    ReusableStringStream rss;
    rss << t;
    return rss.str();
#endif
  }
} // end namespace Catch

// end catch_to_string.hpp
#include <algorithm>
#include <cmath>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include <iomanip>
#include <limits>
#include <sstream>
#include <type_traits>

namespace Catch {
  namespace {
    int32_t convert(float f) {
      static_assert(sizeof(float) == sizeof(int32_t), "Important ULP matcher assumption violated");
      int32_t i;
      std::memcpy(&i, &f, sizeof(f));
      return i;
    }

    int64_t convert(double d) {
      static_assert(sizeof(double) == sizeof(int64_t), "Important ULP matcher assumption violated");
      int64_t i;
      std::memcpy(&i, &d, sizeof(d));
      return i;
    }

    template<typename FP>
    bool almostEqualUlps(FP lhs, FP rhs, uint64_t maxUlpDiff) {
      // Comparison with NaN should always be false.
      // This way we can rule it out before getting into the ugly details
      if (Catch::isnan(lhs) || Catch::isnan(rhs)) {
        return false;
      }

      auto lc = convert(lhs);
      auto rc = convert(rhs);

      if ((lc < 0) != (rc < 0)) {
        // Potentially we can have +0 and -0
        return lhs == rhs;
      }

      // static cast as a workaround for IBM XLC
      auto ulpDiff = std::abs(static_cast<FP>(lc - rc));
      return static_cast<uint64_t>(ulpDiff) <= maxUlpDiff;
    }

#if defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)

    float nextafter(float x, float y) {
      return ::nextafterf(x, y);
    }

    double nextafter(double x, double y) {
      return ::nextafter(x, y);
    }

#endif // ^^^ CATCH_CONFIG_GLOBAL_NEXTAFTER ^^^

    template<typename FP>
    FP step(FP start, FP direction, uint64_t steps) {
      for (uint64_t i = 0; i < steps; ++i) {
#if defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)
        start = Catch::nextafter(start, direction);
#else
        start = std::nextafter(start, direction);
#endif
      }
      return start;
    }

    // Performs equivalent check of std::fabs(lhs - rhs) <= margin
    // But without the subtraction to allow for INFINITY in comparison
    bool marginComparison(double lhs, double rhs, double margin) {
      return (lhs + margin >= rhs) && (rhs + margin >= lhs);
    }

    template<typename FloatingPoint>
    void write(std::ostream &out, FloatingPoint num) {
      out << std::scientific << std::setprecision(std::numeric_limits<FloatingPoint>::max_digits10 - 1) << num;
    }

  } // end anonymous namespace

  namespace Matchers {
    namespace Floating {
      enum class FloatingPointKind : uint8_t {
        Float,
        Double
      };

      WithinAbsMatcher::WithinAbsMatcher(double target, double margin)
          : m_target{target}
          , m_margin{margin} {
        CATCH_ENFORCE(margin >= 0, "Invalid margin: " << margin << '.' << " Margin has to be non-negative.");
      }

      // Performs equivalent check of std::fabs(lhs - rhs) <= margin
      // But without the subtraction to allow for INFINITY in comparison
      bool WithinAbsMatcher::match(double const &matchee) const {
        return (matchee + m_margin >= m_target) && (m_target + m_margin >= matchee);
      }

      std::string WithinAbsMatcher::describe() const {
        return "is within " + ::Catch::Detail::stringify(m_margin) + " of " + ::Catch::Detail::stringify(m_target);
      }

      WithinUlpsMatcher::WithinUlpsMatcher(double target, uint64_t ulps, FloatingPointKind baseType)
          : m_target{target}
          , m_ulps{ulps}
          , m_type{baseType} {
        CATCH_ENFORCE(m_type == FloatingPointKind::Double || m_ulps < (std::numeric_limits<uint32_t>::max)(),
                      "Provided ULP is impossibly large for a float comparison.");
      }

#if defined(__clang__)
#pragma clang diagnostic push
// Clang <3.5 reports on the default branch in the switch below
#pragma clang diagnostic ignored "-Wunreachable-code"
#endif

      bool WithinUlpsMatcher::match(double const &matchee) const {
        switch (m_type) {
          case FloatingPointKind::Float:
            return almostEqualUlps<float>(static_cast<float>(matchee), static_cast<float>(m_target), m_ulps);
          case FloatingPointKind::Double:
            return almostEqualUlps<double>(matchee, m_target, m_ulps);
          default:
            CATCH_INTERNAL_ERROR("Unknown FloatingPointKind value");
        }
      }

#if defined(__clang__)
#pragma clang diagnostic pop
#endif

      std::string WithinUlpsMatcher::describe() const {
        std::stringstream ret;

        ret << "is within " << m_ulps << " ULPs of ";

        if (m_type == FloatingPointKind::Float) {
          write(ret, static_cast<float>(m_target));
          ret << 'f';
        } else {
          write(ret, m_target);
        }

        ret << " ([";
        if (m_type == FloatingPointKind::Double) {
          write(ret, step(m_target, static_cast<double>(-INFINITY), m_ulps));
          ret << ", ";
          write(ret, step(m_target, static_cast<double>(INFINITY), m_ulps));
        } else {
          // We have to cast INFINITY to float because of MinGW, see #1782
          write(ret, step(static_cast<float>(m_target), static_cast<float>(-INFINITY), m_ulps));
          ret << ", ";
          write(ret, step(static_cast<float>(m_target), static_cast<float>(INFINITY), m_ulps));
        }
        ret << "])";

        return ret.str();
      }

      WithinRelMatcher::WithinRelMatcher(double target, double epsilon)
          : m_target(target)
          , m_epsilon(epsilon) {
        CATCH_ENFORCE(m_epsilon >= 0., "Relative comparison with epsilon <  0 does not make sense.");
        CATCH_ENFORCE(m_epsilon < 1., "Relative comparison with epsilon >= 1 does not make sense.");
      }

      bool WithinRelMatcher::match(double const &matchee) const {
        const auto relMargin = m_epsilon * (std::max)(std::fabs(matchee), std::fabs(m_target));
        return marginComparison(matchee, m_target, std::isinf(relMargin) ? 0 : relMargin);
      }

      std::string WithinRelMatcher::describe() const {
        Catch::ReusableStringStream sstr;
        sstr << "and " << m_target << " are within " << m_epsilon * 100. << "% of each other";
        return sstr.str();
      }

    } // namespace Floating

    Floating::WithinUlpsMatcher WithinULP(double target, uint64_t maxUlpDiff) {
      return Floating::WithinUlpsMatcher(target, maxUlpDiff, Floating::FloatingPointKind::Double);
    }

    Floating::WithinUlpsMatcher WithinULP(float target, uint64_t maxUlpDiff) {
      return Floating::WithinUlpsMatcher(target, maxUlpDiff, Floating::FloatingPointKind::Float);
    }

    Floating::WithinAbsMatcher WithinAbs(double target, double margin) {
      return Floating::WithinAbsMatcher(target, margin);
    }

    Floating::WithinRelMatcher WithinRel(double target, double eps) {
      return Floating::WithinRelMatcher(target, eps);
    }

    Floating::WithinRelMatcher WithinRel(double target) {
      return Floating::WithinRelMatcher(target, std::numeric_limits<double>::epsilon() * 100);
    }

    Floating::WithinRelMatcher WithinRel(float target, float eps) {
      return Floating::WithinRelMatcher(target, eps);
    }

    Floating::WithinRelMatcher WithinRel(float target) {
      return Floating::WithinRelMatcher(target, std::numeric_limits<float>::epsilon() * 100);
    }

  } // namespace Matchers
} // namespace Catch
// end catch_matchers_floating.cpp
// start catch_matchers_generic.cpp

std::string Catch::Matchers::Generic::Detail::finalizeDescription(const std::string &desc) {
  if (desc.empty()) {
    return "matches undescribed predicate";
  } else {
    return "matches predicate: \"" + desc + '"';
  }
}
// end catch_matchers_generic.cpp
// start catch_matchers_string.cpp

#include <regex>

namespace Catch {
  namespace Matchers {
    namespace StdString {
      CasedString::CasedString(std::string const &str, CaseSensitive::Choice caseSensitivity)
          : m_caseSensitivity(caseSensitivity)
          , m_str(adjustString(str)) {
      }
      std::string CasedString::adjustString(std::string const &str) const {
        return m_caseSensitivity == CaseSensitive::No ? toLower(str) : str;
      }
      std::string CasedString::caseSensitivitySuffix() const {
        return m_caseSensitivity == CaseSensitive::No ? " (case insensitive)" : std::string();
      }

      StringMatcherBase::StringMatcherBase(std::string const &operation, CasedString const &comparator)
          : m_comparator(comparator)
          , m_operation(operation) {
      }

      std::string StringMatcherBase::describe() const {
        std::string description;
        description.reserve(5 + m_operation.size() + m_comparator.m_str.size() + m_comparator.caseSensitivitySuffix().size());
        description += m_operation;
        description += ": \"";
        description += m_comparator.m_str;
        description += "\"";
        description += m_comparator.caseSensitivitySuffix();
        return description;
      }

      EqualsMatcher::EqualsMatcher(CasedString const &comparator)
          : StringMatcherBase("equals", comparator) {
      }

      bool EqualsMatcher::match(std::string const &source) const {
        return m_comparator.adjustString(source) == m_comparator.m_str;
      }

      ContainsMatcher::ContainsMatcher(CasedString const &comparator)
          : StringMatcherBase("contains", comparator) {
      }

      bool ContainsMatcher::match(std::string const &source) const {
        return contains(m_comparator.adjustString(source), m_comparator.m_str);
      }

      StartsWithMatcher::StartsWithMatcher(CasedString const &comparator)
          : StringMatcherBase("starts with", comparator) {
      }

      bool StartsWithMatcher::match(std::string const &source) const {
        return startsWith(m_comparator.adjustString(source), m_comparator.m_str);
      }

      EndsWithMatcher::EndsWithMatcher(CasedString const &comparator)
          : StringMatcherBase("ends with", comparator) {
      }

      bool EndsWithMatcher::match(std::string const &source) const {
        return endsWith(m_comparator.adjustString(source), m_comparator.m_str);
      }

      RegexMatcher::RegexMatcher(std::string regex, CaseSensitive::Choice caseSensitivity)
          : m_regex(std::move(regex))
          , m_caseSensitivity(caseSensitivity) {
      }

      bool RegexMatcher::match(std::string const &matchee) const {
        auto flags = std::regex::ECMAScript; // ECMAScript is the default syntax option anyway
        if (m_caseSensitivity == CaseSensitive::Choice::No) {
          flags |= std::regex::icase;
        }
        auto reg = std::regex(m_regex, flags);
        return std::regex_match(matchee, reg);
      }

      std::string RegexMatcher::describe() const {
        return "matches " + ::Catch::Detail::stringify(m_regex)
            + ((m_caseSensitivity == CaseSensitive::Choice::Yes) ? " case sensitively" : " case insensitively");
      }

    } // namespace StdString

    StdString::EqualsMatcher Equals(std::string const &str, CaseSensitive::Choice caseSensitivity) {
      return StdString::EqualsMatcher(StdString::CasedString(str, caseSensitivity));
    }
    StdString::ContainsMatcher Contains(std::string const &str, CaseSensitive::Choice caseSensitivity) {
      return StdString::ContainsMatcher(StdString::CasedString(str, caseSensitivity));
    }
    StdString::EndsWithMatcher EndsWith(std::string const &str, CaseSensitive::Choice caseSensitivity) {
      return StdString::EndsWithMatcher(StdString::CasedString(str, caseSensitivity));
    }
    StdString::StartsWithMatcher StartsWith(std::string const &str, CaseSensitive::Choice caseSensitivity) {
      return StdString::StartsWithMatcher(StdString::CasedString(str, caseSensitivity));
    }

    StdString::RegexMatcher Matches(std::string const &regex, CaseSensitive::Choice caseSensitivity) {
      return StdString::RegexMatcher(regex, caseSensitivity);
    }

  } // namespace Matchers
} // namespace Catch
// end catch_matchers_string.cpp
// start catch_message.cpp

// start catch_uncaught_exceptions.h

namespace Catch {
  bool uncaught_exceptions();
} // end namespace Catch

// end catch_uncaught_exceptions.h
#include <cassert>
#include <stack>

namespace Catch {
  MessageInfo::MessageInfo(StringRef const &_macroName, SourceLineInfo const &_lineInfo, ResultWas::OfType _type)
      : macroName(_macroName)
      , lineInfo(_lineInfo)
      , type(_type)
      , sequence(++globalCount) {
  }

  bool MessageInfo::operator==(MessageInfo const &other) const {
    return sequence == other.sequence;
  }

  bool MessageInfo::operator<(MessageInfo const &other) const {
    return sequence < other.sequence;
  }

  // This may need protecting if threading support is added
  unsigned int MessageInfo::globalCount = 0;

  ////////////////////////////////////////////////////////////////////////////

  Catch::MessageBuilder::MessageBuilder(StringRef const &macroName, SourceLineInfo const &lineInfo, ResultWas::OfType type)
      : m_info(macroName, lineInfo, type) {
  }

  ////////////////////////////////////////////////////////////////////////////

  ScopedMessage::ScopedMessage(MessageBuilder const &builder)
      : m_info(builder.m_info)
      , m_moved() {
    m_info.message = builder.m_stream.str();
    getResultCapture().pushScopedMessage(m_info);
  }

  ScopedMessage::ScopedMessage(ScopedMessage &&old)
      : m_info(old.m_info)
      , m_moved() {
    old.m_moved = true;
  }

  ScopedMessage::~ScopedMessage() {
    if (!uncaught_exceptions() && !m_moved) {
      getResultCapture().popScopedMessage(m_info);
    }
  }

  Capturer::Capturer(StringRef macroName, SourceLineInfo const &lineInfo, ResultWas::OfType resultType, StringRef names) {
    auto trimmed = [&](size_t start, size_t end) {
      while (names[start] == ',' || isspace(static_cast<unsigned char>(names[start]))) {
        ++start;
      }
      while (names[end] == ',' || isspace(static_cast<unsigned char>(names[end]))) {
        --end;
      }
      return names.substr(start, end - start + 1);
    };
    auto skipq = [&](size_t start, char quote) {
      for (auto i = start + 1; i < names.size(); ++i) {
        if (names[i] == quote)
          return i;
        if (names[i] == '\\')
          ++i;
      }
      CATCH_INTERNAL_ERROR("CAPTURE parsing encountered unmatched quote");
    };

    size_t start = 0;
    std::stack<char> openings;
    for (size_t pos = 0; pos < names.size(); ++pos) {
      char c = names[pos];
      switch (c) {
        case '[':
        case '{':
        case '(':
          // It is basically impossible to disambiguate between
          // comparison and start of template args in this context
          //            case '<':
          openings.push(c);
          break;
        case ']':
        case '}':
        case ')':
          //           case '>':
          openings.pop();
          break;
        case '"':
        case '\'':
          pos = skipq(pos, c);
          break;
        case ',':
          if (start != pos && openings.empty()) {
            m_messages.emplace_back(macroName, lineInfo, resultType);
            m_messages.back().message = static_cast<std::string>(trimmed(start, pos));
            m_messages.back().message += " := ";
            start = pos;
          }
      }
    }
    assert(openings.empty() && "Mismatched openings");
    m_messages.emplace_back(macroName, lineInfo, resultType);
    m_messages.back().message = static_cast<std::string>(trimmed(start, names.size() - 1));
    m_messages.back().message += " := ";
  }
  Capturer::~Capturer() {
    if (!uncaught_exceptions()) {
      assert(m_captured == m_messages.size());
      for (size_t i = 0; i < m_captured; ++i)
        m_resultCapture.popScopedMessage(m_messages[i]);
    }
  }

  void Capturer::captureValue(size_t index, std::string const &value) {
    assert(index < m_messages.size());
    m_messages[index].message += value;
    m_resultCapture.pushScopedMessage(m_messages[index]);
    m_captured++;
  }

} // end namespace Catch
// end catch_message.cpp
// start catch_output_redirect.cpp

// start catch_output_redirect.h
#ifndef TWOBLUECUBES_CATCH_OUTPUT_REDIRECT_H
#define TWOBLUECUBES_CATCH_OUTPUT_REDIRECT_H

#include <cstdio>
#include <iosfwd>
#include <string>

namespace Catch {
  class RedirectedStream {
    std::ostream &m_originalStream;
    std::ostream &m_redirectionStream;
    std::streambuf *m_prevBuf;

  public:
    RedirectedStream(std::ostream &originalStream, std::ostream &redirectionStream);
    ~RedirectedStream();
  };

  class RedirectedStdOut {
    ReusableStringStream m_rss;
    RedirectedStream m_cout;

  public:
    RedirectedStdOut();
    auto str() const -> std::string;
  };

  // StdErr has two constituent streams in C++, std::cerr and std::clog
  // This means that we need to redirect 2 streams into 1 to keep proper
  // order of writes
  class RedirectedStdErr {
    ReusableStringStream m_rss;
    RedirectedStream m_cerr;
    RedirectedStream m_clog;

  public:
    RedirectedStdErr();
    auto str() const -> std::string;
  };

  class RedirectedStreams {
  public:
    RedirectedStreams(RedirectedStreams const &) = delete;
    RedirectedStreams &operator=(RedirectedStreams const &) = delete;
    RedirectedStreams(RedirectedStreams &&) = delete;
    RedirectedStreams &operator=(RedirectedStreams &&) = delete;

    RedirectedStreams(std::string &redirectedCout, std::string &redirectedCerr);
    ~RedirectedStreams();

  private:
    std::string &m_redirectedCout;
    std::string &m_redirectedCerr;
    RedirectedStdOut m_redirectedStdOut;
    RedirectedStdErr m_redirectedStdErr;
  };

#if defined(CATCH_CONFIG_NEW_CAPTURE)

  // Windows's implementation of std::tmpfile is terrible (it tries
  // to create a file inside system folder, thus requiring elevated
  // privileges for the binary), so we have to use tmpnam(_s) and
  // create the file ourselves there.
  class TempFile {
  public:
    TempFile(TempFile const &) = delete;
    TempFile &operator=(TempFile const &) = delete;
    TempFile(TempFile &&) = delete;
    TempFile &operator=(TempFile &&) = delete;

    TempFile();
    ~TempFile();

    std::FILE *getFile();
    std::string getContents();

  private:
    std::FILE *m_file = nullptr;
#if defined(_MSC_VER)
    char m_buffer[L_tmpnam] = {0};
#endif
  };

  class OutputRedirect {
  public:
    OutputRedirect(OutputRedirect const &) = delete;
    OutputRedirect &operator=(OutputRedirect const &) = delete;
    OutputRedirect(OutputRedirect &&) = delete;
    OutputRedirect &operator=(OutputRedirect &&) = delete;

    OutputRedirect(std::string &stdout_dest, std::string &stderr_dest);
    ~OutputRedirect();

  private:
    int m_originalStdout = -1;
    int m_originalStderr = -1;
    TempFile m_stdoutFile;
    TempFile m_stderrFile;
    std::string &m_stdoutDest;
    std::string &m_stderrDest;
  };

#endif

} // end namespace Catch

#endif // TWOBLUECUBES_CATCH_OUTPUT_REDIRECT_H \
    // end catch_output_redirect.h
#include <cstdio>
#include <cstring>
#include <fstream>
#include <sstream>
#include <stdexcept>

#if defined(CATCH_CONFIG_NEW_CAPTURE)
#if defined(_MSC_VER)
#include <io.h> //_dup and _dup2
#define dup _dup
#define dup2 _dup2
#define fileno _fileno
#else
#include <unistd.h> // dup and dup2
#endif
#endif

namespace Catch {
  RedirectedStream::RedirectedStream(std::ostream &originalStream, std::ostream &redirectionStream)
      : m_originalStream(originalStream)
      , m_redirectionStream(redirectionStream)
      , m_prevBuf(m_originalStream.rdbuf()) {
    m_originalStream.rdbuf(m_redirectionStream.rdbuf());
  }

  RedirectedStream::~RedirectedStream() {
    m_originalStream.rdbuf(m_prevBuf);
  }

  RedirectedStdOut::RedirectedStdOut()
      : m_cout(Catch::cout(), m_rss.get()) {
  }
  auto RedirectedStdOut::str() const -> std::string {
    return m_rss.str();
  }

  RedirectedStdErr::RedirectedStdErr()
      : m_cerr(Catch::cerr(), m_rss.get())
      , m_clog(Catch::clog(), m_rss.get()) {
  }
  auto RedirectedStdErr::str() const -> std::string {
    return m_rss.str();
  }

  RedirectedStreams::RedirectedStreams(std::string &redirectedCout, std::string &redirectedCerr)
      : m_redirectedCout(redirectedCout)
      , m_redirectedCerr(redirectedCerr) {
  }

  RedirectedStreams::~RedirectedStreams() {
    m_redirectedCout += m_redirectedStdOut.str();
    m_redirectedCerr += m_redirectedStdErr.str();
  }

#if defined(CATCH_CONFIG_NEW_CAPTURE)

#if defined(_MSC_VER)
  TempFile::TempFile() {
    if (tmpnam_s(m_buffer)) {
      CATCH_RUNTIME_ERROR("Could not get a temp filename");
    }
    if (fopen_s(&m_file, m_buffer, "w+")) {
      char buffer[100];
      if (strerror_s(buffer, errno)) {
        CATCH_RUNTIME_ERROR("Could not translate errno to a string");
      }
      CATCH_RUNTIME_ERROR("Could not open the temp file: '" << m_buffer << "' because: " << buffer);
    }
  }
#else
  TempFile::TempFile() {
    m_file = std::tmpfile();
    if (!m_file) {
      CATCH_RUNTIME_ERROR("Could not create a temp file.");
    }
  }

#endif

  TempFile::~TempFile() {
    // TBD: What to do about errors here?
    std::fclose(m_file);
// We manually create the file on Windows only, on Linux
// it will be autodeleted
#if defined(_MSC_VER)
    std::remove(m_buffer);
#endif
  }

  FILE *TempFile::getFile() {
    return m_file;
  }

  std::string TempFile::getContents() {
    std::stringstream sstr;
    char buffer[100] = {};
    std::rewind(m_file);
    while (std::fgets(buffer, sizeof(buffer), m_file)) {
      sstr << buffer;
    }
    return sstr.str();
  }

  OutputRedirect::OutputRedirect(std::string &stdout_dest, std::string &stderr_dest)
      : m_originalStdout(dup(1))
      , m_originalStderr(dup(2))
      , m_stdoutDest(stdout_dest)
      , m_stderrDest(stderr_dest) {
    dup2(fileno(m_stdoutFile.getFile()), 1);
    dup2(fileno(m_stderrFile.getFile()), 2);
  }

  OutputRedirect::~OutputRedirect() {
    Catch::cout() << std::flush;
    fflush(stdout);
    // Since we support overriding these streams, we flush cerr
    // even though std::cerr is unbuffered
    Catch::cerr() << std::flush;
    Catch::clog() << std::flush;
    fflush(stderr);

    dup2(m_originalStdout, 1);
    dup2(m_originalStderr, 2);

    m_stdoutDest += m_stdoutFile.getContents();
    m_stderrDest += m_stderrFile.getContents();
  }

#endif // CATCH_CONFIG_NEW_CAPTURE

} // namespace Catch

#if defined(CATCH_CONFIG_NEW_CAPTURE)
#if defined(_MSC_VER)
#undef dup
#undef dup2
#undef fileno
#endif
#endif
// end catch_output_redirect.cpp
// start catch_polyfills.cpp

#include <cmath>

namespace Catch {
#if !defined(CATCH_CONFIG_POLYFILL_ISNAN)
  bool isnan(float f) {
    return std::isnan(f);
  }
  bool isnan(double d) {
    return std::isnan(d);
  }
#else
  // For now we only use this for embarcadero
  bool isnan(float f) {
    return std::_isnan(f);
  }
  bool isnan(double d) {
    return std::_isnan(d);
  }
#endif

} // end namespace Catch
// end catch_polyfills.cpp
// start catch_random_number_generator.cpp

namespace Catch {
  namespace {
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4146) // we negate uint32 during the rotate
#endif
    // Safe rotr implementation thanks to John Regehr
    uint32_t rotate_right(uint32_t val, uint32_t count) {
      const uint32_t mask = 31;
      count &= mask;
      return (val >> count) | (val << (-count & mask));
    }

#if defined(_MSC_VER)
#pragma warning(pop)
#endif

  } // namespace

  SimplePcg32::SimplePcg32(result_type seed_) {
    seed(seed_);
  }

  void SimplePcg32::seed(result_type seed_) {
    m_state = 0;
    (*this)();
    m_state += seed_;
    (*this)();
  }

  void SimplePcg32::discard(uint64_t skip) {
    // We could implement this to run in O(log n) steps, but this
    // should suffice for our use case.
    for (uint64_t s = 0; s < skip; ++s) {
      static_cast<void>((*this)());
    }
  }

  SimplePcg32::result_type SimplePcg32::operator()() {
    // prepare the output value
    const uint32_t xorshifted = static_cast<uint32_t>(((m_state >> 18u) ^ m_state) >> 27u);
    const auto output = rotate_right(xorshifted, m_state >> 59u);

    // advance state
    m_state = m_state * 6364136223846793005ULL + s_inc;

    return output;
  }

  bool operator==(SimplePcg32 const &lhs, SimplePcg32 const &rhs) {
    return lhs.m_state == rhs.m_state;
  }

  bool operator!=(SimplePcg32 const &lhs, SimplePcg32 const &rhs) {
    return lhs.m_state != rhs.m_state;
  }
} // namespace Catch
// end catch_random_number_generator.cpp
// start catch_registry_hub.cpp

// start catch_test_case_registry_impl.h

#include <algorithm>
#include <ios>
#include <set>
#include <vector>

namespace Catch {
  class TestCase;
  struct IConfig;

  std::vector<TestCase> sortTests(IConfig const &config, std::vector<TestCase> const &unsortedTestCases);

  bool isThrowSafe(TestCase const &testCase, IConfig const &config);
  bool matchTest(TestCase const &testCase, TestSpec const &testSpec, IConfig const &config);

  void enforceNoDuplicateTestCases(std::vector<TestCase> const &functions);

  std::vector<TestCase> filterTests(std::vector<TestCase> const &testCases, TestSpec const &testSpec, IConfig const &config);
  std::vector<TestCase> const &getAllTestCasesSorted(IConfig const &config);

  class TestRegistry : public ITestCaseRegistry {
  public:
    virtual ~TestRegistry() = default;

    virtual void registerTest(TestCase const &testCase);

    std::vector<TestCase> const &getAllTests() const override;
    std::vector<TestCase> const &getAllTestsSorted(IConfig const &config) const override;

  private:
    std::vector<TestCase> m_functions;
    mutable RunTests::InWhatOrder m_currentSortOrder = RunTests::InDeclarationOrder;
    mutable std::vector<TestCase> m_sortedFunctions;
    std::size_t m_unnamedCount = 0;
    std::ios_base::Init m_ostreamInit; // Forces cout/ cerr to be initialised
  };

  ///////////////////////////////////////////////////////////////////////////

  class TestInvokerAsFunction : public ITestInvoker {
    void (*m_testAsFunction)();

  public:
    TestInvokerAsFunction(void (*testAsFunction)()) noexcept;

    void invoke() const override;
  };

  std::string extractClassName(StringRef const &classOrQualifiedMethodName);

  ///////////////////////////////////////////////////////////////////////////

} // end namespace Catch

// end catch_test_case_registry_impl.h
// start catch_reporter_registry.h

#include <map>

namespace Catch {
  class ReporterRegistry : public IReporterRegistry {
  public:
    ~ReporterRegistry() override;

    IStreamingReporterPtr create(std::string const &name, IConfigPtr const &config) const override;

    void registerReporter(std::string const &name, IReporterFactoryPtr const &factory);
    void registerListener(IReporterFactoryPtr const &factory);

    FactoryMap const &getFactories() const override;
    Listeners const &getListeners() const override;

  private:
    FactoryMap m_factories;
    Listeners m_listeners;
  };
} // namespace Catch

// end catch_reporter_registry.h
// start catch_tag_alias_registry.h

// start catch_tag_alias.h

#include <string>

namespace Catch {
  struct TagAlias {
    TagAlias(std::string const &_tag, SourceLineInfo _lineInfo);

    std::string tag;
    SourceLineInfo lineInfo;
  };

} // end namespace Catch

// end catch_tag_alias.h
#include <map>

namespace Catch {
  class TagAliasRegistry : public ITagAliasRegistry {
  public:
    ~TagAliasRegistry() override;
    TagAlias const *find(std::string const &alias) const override;
    std::string expandAliases(std::string const &unexpandedTestSpec) const override;
    void add(std::string const &alias, std::string const &tag, SourceLineInfo const &lineInfo);

  private:
    std::map<std::string, TagAlias> m_registry;
  };

} // end namespace Catch

// end catch_tag_alias_registry.h
// start catch_startup_exception_registry.h

#include <exception>
#include <vector>

namespace Catch {
  class StartupExceptionRegistry {
#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
  public:
    void add(std::exception_ptr const &exception) noexcept;
    std::vector<std::exception_ptr> const &getExceptions() const noexcept;

  private:
    std::vector<std::exception_ptr> m_exceptions;
#endif
  };

} // end namespace Catch

// end catch_startup_exception_registry.h
// start catch_singletons.hpp

namespace Catch {
  struct ISingleton {
    virtual ~ISingleton();
  };

  void addSingleton(ISingleton *singleton);
  void cleanupSingletons();

  template<typename SingletonImplT, typename InterfaceT = SingletonImplT, typename MutableInterfaceT = InterfaceT>
  class Singleton : SingletonImplT, public ISingleton {
    static auto getInternal() -> Singleton * {
      static Singleton *s_instance = nullptr;
      if (!s_instance) {
        s_instance = new Singleton;
        addSingleton(s_instance);
      }
      return s_instance;
    }

  public:
    static auto get() -> InterfaceT const & { return *getInternal(); }
    static auto getMutable() -> MutableInterfaceT & { return *getInternal(); }
  };

} // namespace Catch

// end catch_singletons.hpp
namespace Catch {
  namespace {
    class RegistryHub : public IRegistryHub, public IMutableRegistryHub, private NonCopyable {
    public: // IRegistryHub
      RegistryHub() = default;
      IReporterRegistry const &getReporterRegistry() const override { return m_reporterRegistry; }
      ITestCaseRegistry const &getTestCaseRegistry() const override { return m_testCaseRegistry; }
      IExceptionTranslatorRegistry const &getExceptionTranslatorRegistry() const override { return m_exceptionTranslatorRegistry; }
      ITagAliasRegistry const &getTagAliasRegistry() const override { return m_tagAliasRegistry; }
      StartupExceptionRegistry const &getStartupExceptionRegistry() const override { return m_exceptionRegistry; }

    public: // IMutableRegistryHub
      void registerReporter(std::string const &name, IReporterFactoryPtr const &factory) override {
        m_reporterRegistry.registerReporter(name, factory);
      }
      void registerListener(IReporterFactoryPtr const &factory) override { m_reporterRegistry.registerListener(factory); }
      void registerTest(TestCase const &testInfo) override { m_testCaseRegistry.registerTest(testInfo); }
      void registerTranslator(const IExceptionTranslator *translator) override {
        m_exceptionTranslatorRegistry.registerTranslator(translator);
      }
      void registerTagAlias(std::string const &alias, std::string const &tag, SourceLineInfo const &lineInfo) override {
        m_tagAliasRegistry.add(alias, tag, lineInfo);
      }
      void registerStartupException() noexcept override {
#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
        m_exceptionRegistry.add(std::current_exception());
#else
        CATCH_INTERNAL_ERROR("Attempted to register active exception under CATCH_CONFIG_DISABLE_EXCEPTIONS!");
#endif
      }
      IMutableEnumValuesRegistry &getMutableEnumValuesRegistry() override { return m_enumValuesRegistry; }

    private:
      TestRegistry m_testCaseRegistry;
      ReporterRegistry m_reporterRegistry;
      ExceptionTranslatorRegistry m_exceptionTranslatorRegistry;
      TagAliasRegistry m_tagAliasRegistry;
      StartupExceptionRegistry m_exceptionRegistry;
      Detail::EnumValuesRegistry m_enumValuesRegistry;
    };
  } // namespace

  using RegistryHubSingleton = Singleton<RegistryHub, IRegistryHub, IMutableRegistryHub>;

  IRegistryHub const &getRegistryHub() {
    return RegistryHubSingleton::get();
  }
  IMutableRegistryHub &getMutableRegistryHub() {
    return RegistryHubSingleton::getMutable();
  }
  void cleanUp() {
    cleanupSingletons();
    cleanUpContext();
  }
  std::string translateActiveException() {
    return getRegistryHub().getExceptionTranslatorRegistry().translateActiveException();
  }

} // end namespace Catch
// end catch_registry_hub.cpp
// start catch_reporter_registry.cpp

namespace Catch {
  ReporterRegistry::~ReporterRegistry() = default;

  IStreamingReporterPtr ReporterRegistry::create(std::string const &name, IConfigPtr const &config) const {
    auto it = m_factories.find(name);
    if (it == m_factories.end())
      return nullptr;
    return it->second->create(ReporterConfig(config));
  }

  void ReporterRegistry::registerReporter(std::string const &name, IReporterFactoryPtr const &factory) {
    m_factories.emplace(name, factory);
  }
  void ReporterRegistry::registerListener(IReporterFactoryPtr const &factory) {
    m_listeners.push_back(factory);
  }

  IReporterRegistry::FactoryMap const &ReporterRegistry::getFactories() const {
    return m_factories;
  }
  IReporterRegistry::Listeners const &ReporterRegistry::getListeners() const {
    return m_listeners;
  }

} // namespace Catch
// end catch_reporter_registry.cpp
// start catch_result_type.cpp

namespace Catch {
  bool isOk(ResultWas::OfType resultType) {
    return (resultType & ResultWas::FailureBit) == 0;
  }
  bool isJustInfo(int flags) {
    return flags == ResultWas::Info;
  }

  ResultDisposition::Flags operator|(ResultDisposition::Flags lhs, ResultDisposition::Flags rhs) {
    return static_cast<ResultDisposition::Flags>(static_cast<int>(lhs) | static_cast<int>(rhs));
  }

  bool shouldContinueOnFailure(int flags) {
    return (flags & ResultDisposition::ContinueOnFailure) != 0;
  }
  bool shouldSuppressFailure(int flags) {
    return (flags & ResultDisposition::SuppressFail) != 0;
  }

} // end namespace Catch
// end catch_result_type.cpp
// start catch_run_context.cpp

#include <algorithm>
#include <cassert>
#include <sstream>

namespace Catch {
  namespace Generators {
    struct GeneratorTracker : TestCaseTracking::TrackerBase, IGeneratorTracker {
      GeneratorBasePtr m_generator;

      GeneratorTracker(TestCaseTracking::NameAndLocation const &nameAndLocation, TrackerContext &ctx, ITracker *parent)
          : TrackerBase(nameAndLocation, ctx, parent) {
      }
      ~GeneratorTracker();

      static GeneratorTracker &acquire(TrackerContext &ctx, TestCaseTracking::NameAndLocation const &nameAndLocation) {
        std::shared_ptr<GeneratorTracker> tracker;

        ITracker &currentTracker = ctx.currentTracker();
        // Under specific circumstances, the generator we want
        // to acquire is also the current tracker. If this is
        // the case, we have to avoid looking through current
        // tracker's children, and instead return the current
        // tracker.
        // A case where this check is important is e.g.
        //     for (int i = 0; i < 5; ++i) {
        //         int n = GENERATE(1, 2);
        //     }
        //
        // without it, the code above creates 5 nested generators.
        if (currentTracker.nameAndLocation() == nameAndLocation) {
          auto thisTracker = currentTracker.parent().findChild(nameAndLocation);
          assert(thisTracker);
          assert(thisTracker->isGeneratorTracker());
          tracker = std::static_pointer_cast<GeneratorTracker>(thisTracker);
        } else if (TestCaseTracking::ITrackerPtr childTracker = currentTracker.findChild(nameAndLocation)) {
          assert(childTracker);
          assert(childTracker->isGeneratorTracker());
          tracker = std::static_pointer_cast<GeneratorTracker>(childTracker);
        } else {
          tracker = std::make_shared<GeneratorTracker>(nameAndLocation, ctx, &currentTracker);
          currentTracker.addChild(tracker);
        }

        if (!tracker->isComplete()) {
          tracker->open();
        }

        return *tracker;
      }

      // TrackerBase interface
      bool isGeneratorTracker() const override { return true; }
      auto hasGenerator() const -> bool override { return !!m_generator; }
      void close() override {
        TrackerBase::close();
        // If a generator has a child (it is followed by a section)
        // and none of its children have started, then we must wait
        // until later to start consuming its values.
        // This catches cases where `GENERATE` is placed between two
        // `SECTION`s.
        // **The check for m_children.empty cannot be removed**.
        // doing so would break `GENERATE` _not_ followed by `SECTION`s.
        const bool should_wait_for_child = [&]() {
          // No children -> nobody to wait for
          if (m_children.empty()) {
            return false;
          }
          // If at least one child started executing, don't wait
          if (std::find_if(m_children.begin(),
                           m_children.end(),
                           [](TestCaseTracking::ITrackerPtr tracker) { return tracker->hasStarted(); })
              != m_children.end()) {
            return false;
          }

          // No children have started. We need to check if they _can_
          // start, and thus we should wait for them, or they cannot
          // start (due to filters), and we shouldn't wait for them
          auto *parent = m_parent;
          // This is safe: there is always at least one section
          // tracker in a test case tracking tree
          while (!parent->isSectionTracker()) {
            parent = &(parent->parent());
          }
          assert(parent && "Missing root (test case) level section");

          auto const &parentSection = static_cast<SectionTracker &>(*parent);
          auto const &filters = parentSection.getFilters();
          // No filters -> no restrictions on running sections
          if (filters.empty()) {
            return true;
          }

          for (auto const &child : m_children) {
            if (child->isSectionTracker()
                && std::find(filters.begin(), filters.end(), static_cast<SectionTracker &>(*child).trimmedName()) != filters.end()) {
              return true;
            }
          }
          return false;
        }();

        // This check is a bit tricky, because m_generator->next()
        // has a side-effect, where it consumes generator's current
        // value, but we do not want to invoke the side-effect if
        // this generator is still waiting for any child to start.
        if (should_wait_for_child || (m_runState == CompletedSuccessfully && m_generator->next())) {
          m_children.clear();
          m_runState = Executing;
        }
      }

      // IGeneratorTracker interface
      auto getGenerator() const -> GeneratorBasePtr const & override { return m_generator; }
      void setGenerator(GeneratorBasePtr &&generator) override { m_generator = std::move(generator); }
    };
    GeneratorTracker::~GeneratorTracker() {}
  } // namespace Generators

  RunContext::RunContext(IConfigPtr const &_config, IStreamingReporterPtr &&reporter)
      : m_runInfo(_config->name())
      , m_context(getCurrentMutableContext())
      , m_config(_config)
      , m_reporter(std::move(reporter))
      , m_lastAssertionInfo{StringRef(), SourceLineInfo("", 0), StringRef(), ResultDisposition::Normal}
      , m_includeSuccessfulResults(m_config->includeSuccessfulResults() || m_reporter->getPreferences().shouldReportAllAssertions) {
    m_context.setRunner(this);
    m_context.setConfig(m_config);
    m_context.setResultCapture(this);
    m_reporter->testRunStarting(m_runInfo);
  }

  RunContext::~RunContext() {
    m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, aborting()));
  }

  void RunContext::testGroupStarting(std::string const &testSpec, std::size_t groupIndex, std::size_t groupsCount) {
    m_reporter->testGroupStarting(GroupInfo(testSpec, groupIndex, groupsCount));
  }

  void RunContext::testGroupEnded(std::string const &testSpec, Totals const &totals, std::size_t groupIndex, std::size_t groupsCount) {
    m_reporter->testGroupEnded(TestGroupStats(GroupInfo(testSpec, groupIndex, groupsCount), totals, aborting()));
  }

  Totals RunContext::runTest(TestCase const &testCase) {
    Totals prevTotals = m_totals;

    std::string redirectedCout;
    std::string redirectedCerr;

    auto const &testInfo = testCase.getTestCaseInfo();

    m_reporter->testCaseStarting(testInfo);

    m_activeTestCase = &testCase;

    ITracker &rootTracker = m_trackerContext.startRun();
    assert(rootTracker.isSectionTracker());
    static_cast<SectionTracker &>(rootTracker).addInitialFilters(m_config->getSectionsToRun());
    do {
      m_trackerContext.startCycle();
      m_testCaseTracker = &SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(testInfo.name, testInfo.lineInfo));
      runCurrentTest(redirectedCout, redirectedCerr);
    } while (!m_testCaseTracker->isSuccessfullyCompleted() && !aborting());

    Totals deltaTotals = m_totals.delta(prevTotals);
    if (testInfo.expectedToFail() && deltaTotals.testCases.passed > 0) {
      deltaTotals.assertions.failed++;
      deltaTotals.testCases.passed--;
      deltaTotals.testCases.failed++;
    }
    m_totals.testCases += deltaTotals.testCases;
    m_reporter->testCaseEnded(TestCaseStats(testInfo, deltaTotals, redirectedCout, redirectedCerr, aborting()));

    m_activeTestCase = nullptr;
    m_testCaseTracker = nullptr;

    return deltaTotals;
  }

  IConfigPtr RunContext::config() const {
    return m_config;
  }

  IStreamingReporter &RunContext::reporter() const {
    return *m_reporter;
  }

  void RunContext::assertionEnded(AssertionResult const &result) {
    if (result.getResultType() == ResultWas::Ok) {
      m_totals.assertions.passed++;
      m_lastAssertionPassed = true;
    } else if (!result.isOk()) {
      m_lastAssertionPassed = false;
      if (m_activeTestCase->getTestCaseInfo().okToFail())
        m_totals.assertions.failedButOk++;
      else
        m_totals.assertions.failed++;
    } else {
      m_lastAssertionPassed = true;
    }

    // We have no use for the return value (whether messages should be cleared), because messages were made scoped
    // and should be let to clear themselves out.
    static_cast<void>(m_reporter->assertionEnded(AssertionStats(result, m_messages, m_totals)));

    if (result.getResultType() != ResultWas::Warning)
      m_messageScopes.clear();

    // Reset working state
    resetAssertionInfo();
    m_lastResult = result;
  }
  void RunContext::resetAssertionInfo() {
    m_lastAssertionInfo.macroName = StringRef();
    m_lastAssertionInfo.capturedExpression = "{Unknown expression after the reported line}"_sr;
  }

  bool RunContext::sectionStarted(SectionInfo const &sectionInfo, Counts &assertions) {
    ITracker &sectionTracker
        = SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(sectionInfo.name, sectionInfo.lineInfo));
    if (!sectionTracker.isOpen())
      return false;
    m_activeSections.push_back(&sectionTracker);

    m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;

    m_reporter->sectionStarting(sectionInfo);

    assertions = m_totals.assertions;

    return true;
  }
  auto RunContext::acquireGeneratorTracker(StringRef generatorName, SourceLineInfo const &lineInfo) -> IGeneratorTracker & {
    using namespace Generators;
    GeneratorTracker &tracker
        = GeneratorTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(static_cast<std::string>(generatorName), lineInfo));
    m_lastAssertionInfo.lineInfo = lineInfo;
    return tracker;
  }

  bool RunContext::testForMissingAssertions(Counts &assertions) {
    if (assertions.total() != 0)
      return false;
    if (!m_config->warnAboutMissingAssertions())
      return false;
    if (m_trackerContext.currentTracker().hasChildren())
      return false;
    m_totals.assertions.failed++;
    assertions.failed++;
    return true;
  }

  void RunContext::sectionEnded(SectionEndInfo const &endInfo) {
    Counts assertions = m_totals.assertions - endInfo.prevAssertions;
    bool missingAssertions = testForMissingAssertions(assertions);

    if (!m_activeSections.empty()) {
      m_activeSections.back()->close();
      m_activeSections.pop_back();
    }

    m_reporter->sectionEnded(SectionStats(endInfo.sectionInfo, assertions, endInfo.durationInSeconds, missingAssertions));
    m_messages.clear();
    m_messageScopes.clear();
  }

  void RunContext::sectionEndedEarly(SectionEndInfo const &endInfo) {
    if (m_unfinishedSections.empty())
      m_activeSections.back()->fail();
    else
      m_activeSections.back()->close();
    m_activeSections.pop_back();

    m_unfinishedSections.push_back(endInfo);
  }

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  void RunContext::benchmarkPreparing(std::string const &name) {
    m_reporter->benchmarkPreparing(name);
  }
  void RunContext::benchmarkStarting(BenchmarkInfo const &info) {
    m_reporter->benchmarkStarting(info);
  }
  void RunContext::benchmarkEnded(BenchmarkStats<> const &stats) {
    m_reporter->benchmarkEnded(stats);
  }
  void RunContext::benchmarkFailed(std::string const &error) {
    m_reporter->benchmarkFailed(error);
  }
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

  void RunContext::pushScopedMessage(MessageInfo const &message) {
    m_messages.push_back(message);
  }

  void RunContext::popScopedMessage(MessageInfo const &message) {
    m_messages.erase(std::remove(m_messages.begin(), m_messages.end(), message), m_messages.end());
  }

  void RunContext::emplaceUnscopedMessage(MessageBuilder const &builder) {
    m_messageScopes.emplace_back(builder);
  }

  std::string RunContext::getCurrentTestName() const {
    return m_activeTestCase ? m_activeTestCase->getTestCaseInfo().name : std::string();
  }

  const AssertionResult *RunContext::getLastResult() const {
    return &(*m_lastResult);
  }

  void RunContext::exceptionEarlyReported() {
    m_shouldReportUnexpected = false;
  }

  void RunContext::handleFatalErrorCondition(StringRef message) {
    // First notify reporter that bad things happened
    m_reporter->fatalErrorEncountered(message);

    // Don't rebuild the result -- the stringification itself can cause more fatal errors
    // Instead, fake a result data.
    AssertionResultData tempResult(ResultWas::FatalErrorCondition, {false});
    tempResult.message = static_cast<std::string>(message);
    AssertionResult result(m_lastAssertionInfo, tempResult);

    assertionEnded(result);

    handleUnfinishedSections();

    // Recreate section for test case (as we will lose the one that was in scope)
    auto const &testCaseInfo = m_activeTestCase->getTestCaseInfo();
    SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name);

    Counts assertions;
    assertions.failed = 1;
    SectionStats testCaseSectionStats(testCaseSection, assertions, 0, false);
    m_reporter->sectionEnded(testCaseSectionStats);

    auto const &testInfo = m_activeTestCase->getTestCaseInfo();

    Totals deltaTotals;
    deltaTotals.testCases.failed = 1;
    deltaTotals.assertions.failed = 1;
    m_reporter->testCaseEnded(TestCaseStats(testInfo, deltaTotals, std::string(), std::string(), false));
    m_totals.testCases.failed++;
    testGroupEnded(std::string(), m_totals, 1, 1);
    m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, false));
  }

  bool RunContext::lastAssertionPassed() {
    return m_lastAssertionPassed;
  }

  void RunContext::assertionPassed() {
    m_lastAssertionPassed = true;
    ++m_totals.assertions.passed;
    resetAssertionInfo();
    m_messageScopes.clear();
  }

  bool RunContext::aborting() const {
    return m_totals.assertions.failed >= static_cast<std::size_t>(m_config->abortAfter());
  }

  void RunContext::runCurrentTest(std::string &redirectedCout, std::string &redirectedCerr) {
    auto const &testCaseInfo = m_activeTestCase->getTestCaseInfo();
    SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name);
    m_reporter->sectionStarting(testCaseSection);
    Counts prevAssertions = m_totals.assertions;
    double duration = 0;
    m_shouldReportUnexpected = true;
    m_lastAssertionInfo = {"TEST_CASE"_sr, testCaseInfo.lineInfo, StringRef(), ResultDisposition::Normal};

    seedRng(*m_config);

    Timer timer;
    CATCH_TRY {
      if (m_reporter->getPreferences().shouldRedirectStdOut) {
#if !defined(CATCH_CONFIG_EXPERIMENTAL_REDIRECT)
        RedirectedStreams redirectedStreams(redirectedCout, redirectedCerr);

        timer.start();
        invokeActiveTestCase();
#else
        OutputRedirect r(redirectedCout, redirectedCerr);
        timer.start();
        invokeActiveTestCase();
#endif
      } else {
        timer.start();
        invokeActiveTestCase();
      }
      duration = timer.getElapsedSeconds();
    }
    CATCH_CATCH_ANON(TestFailureException &) {
      // This just means the test was aborted due to failure
    }
    CATCH_CATCH_ALL {
      // Under CATCH_CONFIG_FAST_COMPILE, unexpected exceptions under REQUIRE assertions
      // are reported without translation at the point of origin.
      if (m_shouldReportUnexpected) {
        AssertionReaction dummyReaction;
        handleUnexpectedInflightException(m_lastAssertionInfo, translateActiveException(), dummyReaction);
      }
    }
    Counts assertions = m_totals.assertions - prevAssertions;
    bool missingAssertions = testForMissingAssertions(assertions);

    m_testCaseTracker->close();
    handleUnfinishedSections();
    m_messages.clear();
    m_messageScopes.clear();

    SectionStats testCaseSectionStats(testCaseSection, assertions, duration, missingAssertions);
    m_reporter->sectionEnded(testCaseSectionStats);
  }

  void RunContext::invokeActiveTestCase() {
    FatalConditionHandlerGuard _(&m_fatalConditionhandler);
    m_activeTestCase->invoke();
  }

  void RunContext::handleUnfinishedSections() {
    // If sections ended prematurely due to an exception we stored their
    // infos here so we can tear them down outside the unwind process.
    for (auto it = m_unfinishedSections.rbegin(), itEnd = m_unfinishedSections.rend(); it != itEnd; ++it)
      sectionEnded(*it);
    m_unfinishedSections.clear();
  }

  void RunContext::handleExpr(AssertionInfo const &info, ITransientExpression const &expr, AssertionReaction &reaction) {
    m_reporter->assertionStarting(info);

    bool negated = isFalseTest(info.resultDisposition);
    bool result = expr.getResult() != negated;

    if (result) {
      if (!m_includeSuccessfulResults) {
        assertionPassed();
      } else {
        reportExpr(info, ResultWas::Ok, &expr, negated);
      }
    } else {
      reportExpr(info, ResultWas::ExpressionFailed, &expr, negated);
      populateReaction(reaction);
    }
  }
  void RunContext::reportExpr(AssertionInfo const &info, ResultWas::OfType resultType, ITransientExpression const *expr, bool negated) {
    m_lastAssertionInfo = info;
    AssertionResultData data(resultType, LazyExpression(negated));

    AssertionResult assertionResult{info, data};
    assertionResult.m_resultData.lazyExpression.m_transientExpression = expr;

    assertionEnded(assertionResult);
  }

  void RunContext::handleMessage(AssertionInfo const &info, ResultWas::OfType resultType, StringRef const &message, AssertionReaction &reaction) {
    m_reporter->assertionStarting(info);

    m_lastAssertionInfo = info;

    AssertionResultData data(resultType, LazyExpression(false));
    data.message = static_cast<std::string>(message);
    AssertionResult assertionResult{m_lastAssertionInfo, data};
    assertionEnded(assertionResult);
    if (!assertionResult.isOk())
      populateReaction(reaction);
  }
  void RunContext::handleUnexpectedExceptionNotThrown(AssertionInfo const &info, AssertionReaction &reaction) {
    handleNonExpr(info, Catch::ResultWas::DidntThrowException, reaction);
  }

  void RunContext::handleUnexpectedInflightException(AssertionInfo const &info, std::string const &message, AssertionReaction &reaction) {
    m_lastAssertionInfo = info;

    AssertionResultData data(ResultWas::ThrewException, LazyExpression(false));
    data.message = message;
    AssertionResult assertionResult{info, data};
    assertionEnded(assertionResult);
    populateReaction(reaction);
  }

  void RunContext::populateReaction(AssertionReaction &reaction) {
    reaction.shouldDebugBreak = m_config->shouldDebugBreak();
    reaction.shouldThrow = aborting() || (m_lastAssertionInfo.resultDisposition & ResultDisposition::Normal);
  }

  void RunContext::handleIncomplete(AssertionInfo const &info) {
    m_lastAssertionInfo = info;

    AssertionResultData data(ResultWas::ThrewException, LazyExpression(false));
    data.message = "Exception translation was disabled by CATCH_CONFIG_FAST_COMPILE";
    AssertionResult assertionResult{info, data};
    assertionEnded(assertionResult);
  }
  void RunContext::handleNonExpr(AssertionInfo const &info, ResultWas::OfType resultType, AssertionReaction &reaction) {
    m_lastAssertionInfo = info;

    AssertionResultData data(resultType, LazyExpression(false));
    AssertionResult assertionResult{info, data};
    assertionEnded(assertionResult);

    if (!assertionResult.isOk())
      populateReaction(reaction);
  }

  IResultCapture &getResultCapture() {
    if (auto *capture = getCurrentContext().getResultCapture())
      return *capture;
    else
      CATCH_INTERNAL_ERROR("No result capture instance");
  }

  void seedRng(IConfig const &config) {
    if (config.rngSeed() != 0) {
      std::srand(config.rngSeed());
      rng().seed(config.rngSeed());
    }
  }

  unsigned int rngSeed() {
    return getCurrentContext().getConfig()->rngSeed();
  }

} // namespace Catch
// end catch_run_context.cpp
// start catch_section.cpp

namespace Catch {
  Section::Section(SectionInfo const &info)
      : m_info(info)
      , m_sectionIncluded(getResultCapture().sectionStarted(m_info, m_assertions)) {
    m_timer.start();
  }

  Section::~Section() {
    if (m_sectionIncluded) {
      SectionEndInfo endInfo{m_info, m_assertions, m_timer.getElapsedSeconds()};
      if (uncaught_exceptions())
        getResultCapture().sectionEndedEarly(endInfo);
      else
        getResultCapture().sectionEnded(endInfo);
    }
  }

  // This indicates whether the section should be executed or not
  Section::operator bool() const {
    return m_sectionIncluded;
  }

} // end namespace Catch
// end catch_section.cpp
// start catch_section_info.cpp

namespace Catch {
  SectionInfo::SectionInfo(SourceLineInfo const &_lineInfo, std::string const &_name)
      : name(_name)
      , lineInfo(_lineInfo) {
  }

} // end namespace Catch
// end catch_section_info.cpp
// start catch_session.cpp

// start catch_session.h

#include <memory>

namespace Catch {
  class Session : NonCopyable {
  public:
    Session();
    ~Session() override;

    void showHelp() const;
    void libIdentify();

    int applyCommandLine(int argc, char const *const *argv);
#if defined(CATCH_CONFIG_WCHAR) && defined(_WIN32) && defined(UNICODE)
    int applyCommandLine(int argc, wchar_t const *const *argv);
#endif

    void useConfigData(ConfigData const &configData);

    template<typename CharT>
    int run(int argc, CharT const *const argv[]) {
      if (m_startupExceptions)
        return 1;
      int returnCode = applyCommandLine(argc, argv);
      if (returnCode == 0)
        returnCode = run();
      return returnCode;
    }

    int run();

    clara::Parser const &cli() const;
    void cli(clara::Parser const &newParser);
    ConfigData &configData();
    Config &config();

  private:
    int runInternal();

    clara::Parser m_cli;
    ConfigData m_configData;
    std::shared_ptr<Config> m_config;
    bool m_startupExceptions = false;
  };

} // end namespace Catch

// end catch_session.h
// start catch_version.h

#include <iosfwd>

namespace Catch {
  // Versioning information
  struct Version {
    Version(Version const &) = delete;
    Version &operator=(Version const &) = delete;
    Version(unsigned int _majorVersion, unsigned int _minorVersion, unsigned int _patchNumber, char const *const _branchName, unsigned int _buildNumber);

    unsigned int const majorVersion;
    unsigned int const minorVersion;
    unsigned int const patchNumber;

    // buildNumber is only used if branchName is not null
    char const *const branchName;
    unsigned int const buildNumber;

    friend std::ostream &operator<<(std::ostream &os, Version const &version);
  };

  Version const &libraryVersion();
} // namespace Catch

// end catch_version.h
#include <cstdlib>
#include <iomanip>
#include <iterator>
#include <set>

namespace Catch {
  namespace {
    const int MaxExitCode = 255;

    IStreamingReporterPtr createReporter(std::string const &reporterName, IConfigPtr const &config) {
      auto reporter = Catch::getRegistryHub().getReporterRegistry().create(reporterName, config);
      CATCH_ENFORCE(reporter, "No reporter registered with name: '" << reporterName << "'");

      return reporter;
    }

    IStreamingReporterPtr makeReporter(std::shared_ptr<Config> const &config) {
      if (Catch::getRegistryHub().getReporterRegistry().getListeners().empty()) {
        return createReporter(config->getReporterName(), config);
      }

      // On older platforms, returning std::unique_ptr<ListeningReporter>
      // when the return type is std::unique_ptr<IStreamingReporter>
      // doesn't compile without a std::move call. However, this causes
      // a warning on newer platforms. Thus, we have to work around
      // it a bit and downcast the pointer manually.
      auto ret = std::unique_ptr<IStreamingReporter>(new ListeningReporter);
      auto &multi = static_cast<ListeningReporter &>(*ret);
      auto const &listeners = Catch::getRegistryHub().getReporterRegistry().getListeners();
      for (auto const &listener : listeners) {
        multi.addListener(listener->create(Catch::ReporterConfig(config)));
      }
      multi.addReporter(createReporter(config->getReporterName(), config));
      return ret;
    }

    class TestGroup {
    public:
      explicit TestGroup(std::shared_ptr<Config> const &config)
          : m_config{config}
          , m_context{config, makeReporter(config)} {
        auto const &allTestCases = getAllTestCasesSorted(*m_config);
        m_matches = m_config->testSpec().matchesByFilter(allTestCases, *m_config);
        auto const &invalidArgs = m_config->testSpec().getInvalidArgs();

        if (m_matches.empty() && invalidArgs.empty()) {
          for (auto const &test : allTestCases)
            if (!test.isHidden())
              m_tests.emplace(&test);
        } else {
          for (auto const &match : m_matches)
            m_tests.insert(match.tests.begin(), match.tests.end());
        }
      }

      Totals execute() {
        auto const &invalidArgs = m_config->testSpec().getInvalidArgs();
        Totals totals;
        m_context.testGroupStarting(m_config->name(), 1, 1);
        for (auto const &testCase : m_tests) {
          if (!m_context.aborting())
            totals += m_context.runTest(*testCase);
          else
            m_context.reporter().skipTest(*testCase);
        }

        for (auto const &match : m_matches) {
          if (match.tests.empty()) {
            m_context.reporter().noMatchingTestCases(match.name);
            totals.error = -1;
          }
        }

        if (!invalidArgs.empty()) {
          for (auto const &invalidArg : invalidArgs)
            m_context.reporter().reportInvalidArguments(invalidArg);
        }

        m_context.testGroupEnded(m_config->name(), totals, 1, 1);
        return totals;
      }

    private:
      using Tests = std::set<TestCase const *>;

      std::shared_ptr<Config> m_config;
      RunContext m_context;
      Tests m_tests;
      TestSpec::Matches m_matches;
    };

    void applyFilenamesAsTags(Catch::IConfig const &config) {
      auto &tests = const_cast<std::vector<TestCase> &>(getAllTestCasesSorted(config));
      for (auto &testCase : tests) {
        auto tags = testCase.tags;

        std::string filename = testCase.lineInfo.file;
        auto lastSlash = filename.find_last_of("\\/");
        if (lastSlash != std::string::npos) {
          filename.erase(0, lastSlash);
          filename[0] = '#';
        }

        auto lastDot = filename.find_last_of('.');
        if (lastDot != std::string::npos) {
          filename.erase(lastDot);
        }

        tags.push_back(std::move(filename));
        setTags(testCase, tags);
      }
    }

  } // namespace

  Session::Session() {
    static bool alreadyInstantiated = false;
    if (alreadyInstantiated) {
      CATCH_TRY { CATCH_INTERNAL_ERROR("Only one instance of Catch::Session can ever be used"); }
      CATCH_CATCH_ALL { getMutableRegistryHub().registerStartupException(); }
    }

// There cannot be exceptions at startup in no-exception mode.
#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
    const auto &exceptions = getRegistryHub().getStartupExceptionRegistry().getExceptions();
    if (!exceptions.empty()) {
      config();
      getCurrentMutableContext().setConfig(m_config);

      m_startupExceptions = true;
      Colour colourGuard(Colour::Red);
      Catch::cerr() << "Errors occurred during startup!" << '\n';
      // iterate over all exceptions and notify user
      for (const auto &ex_ptr : exceptions) {
        try {
          std::rethrow_exception(ex_ptr);
        } catch (std::exception const &ex) {
          Catch::cerr() << Column(ex.what()).indent(2) << '\n';
        }
      }
    }
#endif

    alreadyInstantiated = true;
    m_cli = makeCommandLineParser(m_configData);
  }
  Session::~Session() {
    Catch::cleanUp();
  }

  void Session::showHelp() const {
    Catch::cout() << "\nCatch v" << libraryVersion() << "\n"
                  << m_cli << std::endl
                  << "For more detailed usage please see the project docs\n"
                  << std::endl;
  }
  void Session::libIdentify() {
    Catch::cout() << std::left << std::setw(16) << "description: "
                  << "A Catch2 test executable\n"
                  << std::left << std::setw(16) << "category: "
                  << "testframework\n"
                  << std::left << std::setw(16) << "framework: "
                  << "Catch Test\n"
                  << std::left << std::setw(16) << "version: " << libraryVersion() << std::endl;
  }

  int Session::applyCommandLine(int argc, char const *const *argv) {
    if (m_startupExceptions)
      return 1;

    auto result = m_cli.parse(clara::Args(argc, argv));
    if (!result) {
      config();
      getCurrentMutableContext().setConfig(m_config);
      Catch::cerr() << Colour(Colour::Red) << "\nError(s) in input:\n"
                    << Column(result.errorMessage()).indent(2) << "\n\n";
      Catch::cerr() << "Run with -? for usage\n"
                    << std::endl;
      return MaxExitCode;
    }

    if (m_configData.showHelp)
      showHelp();
    if (m_configData.libIdentify)
      libIdentify();
    m_config.reset();
    return 0;
  }

#if defined(CATCH_CONFIG_WCHAR) && defined(_WIN32) && defined(UNICODE)
  int Session::applyCommandLine(int argc, wchar_t const *const *argv) {
    char **utf8Argv = new char *[argc];

    for (int i = 0; i < argc; ++i) {
      int bufSize = WideCharToMultiByte(CP_UTF8, 0, argv[i], -1, nullptr, 0, nullptr, nullptr);

      utf8Argv[i] = new char[bufSize];

      WideCharToMultiByte(CP_UTF8, 0, argv[i], -1, utf8Argv[i], bufSize, nullptr, nullptr);
    }

    int returnCode = applyCommandLine(argc, utf8Argv);

    for (int i = 0; i < argc; ++i)
      delete[] utf8Argv[i];

    delete[] utf8Argv;

    return returnCode;
  }
#endif

  void Session::useConfigData(ConfigData const &configData) {
    m_configData = configData;
    m_config.reset();
  }

  int Session::run() {
    if ((m_configData.waitForKeypress & WaitForKeypress::BeforeStart) != 0) {
      Catch::cout() << "...waiting for enter/ return before starting" << std::endl;
      static_cast<void>(std::getchar());
    }
    int exitCode = runInternal();
    if ((m_configData.waitForKeypress & WaitForKeypress::BeforeExit) != 0) {
      Catch::cout() << "...waiting for enter/ return before exiting, with code: " << exitCode << std::endl;
      static_cast<void>(std::getchar());
    }
    return exitCode;
  }

  clara::Parser const &Session::cli() const {
    return m_cli;
  }
  void Session::cli(clara::Parser const &newParser) {
    m_cli = newParser;
  }
  ConfigData &Session::configData() {
    return m_configData;
  }
  Config &Session::config() {
    if (!m_config)
      m_config = std::make_shared<Config>(m_configData);
    return *m_config;
  }

  int Session::runInternal() {
    if (m_startupExceptions)
      return 1;

    if (m_configData.showHelp || m_configData.libIdentify) {
      return 0;
    }

    CATCH_TRY {
      config(); // Force config to be constructed

      seedRng(*m_config);

      if (m_configData.filenamesAsTags)
        applyFilenamesAsTags(*m_config);

      // Handle list request
      if (Option<std::size_t> listed = list(m_config))
        return static_cast<int>(*listed);

      TestGroup tests{m_config};
      auto const totals = tests.execute();

      if (m_config->warnAboutNoTests() && totals.error == -1)
        return 2;

      // Note that on unices only the lower 8 bits are usually used, clamping
      // the return value to 255 prevents false negative when some multiple
      // of 256 tests has failed
      return (std::min)(MaxExitCode, (std::max)(totals.error, static_cast<int>(totals.assertions.failed)));
    }
#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
    catch (std::exception &ex) {
      Catch::cerr() << ex.what() << std::endl;
      return MaxExitCode;
    }
#endif
  }

} // end namespace Catch
// end catch_session.cpp
// start catch_singletons.cpp

#include <vector>

namespace Catch {
  namespace {
    static auto getSingletons() -> std::vector<ISingleton *> *& {
      static std::vector<ISingleton *> *g_singletons = nullptr;
      if (!g_singletons)
        g_singletons = new std::vector<ISingleton *>();
      return g_singletons;
    }
  } // namespace

  ISingleton::~ISingleton() {}

  void addSingleton(ISingleton *singleton) {
    getSingletons()->push_back(singleton);
  }
  void cleanupSingletons() {
    auto &singletons = getSingletons();
    for (auto singleton : *singletons)
      delete singleton;
    delete singletons;
    singletons = nullptr;
  }

} // namespace Catch
// end catch_singletons.cpp
// start catch_startup_exception_registry.cpp

#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
namespace Catch {
  void StartupExceptionRegistry::add(std::exception_ptr const &exception) noexcept {
    CATCH_TRY { m_exceptions.push_back(exception); }
    CATCH_CATCH_ALL {
      // If we run out of memory during start-up there's really not a lot more we can do about it
      std::terminate();
    }
  }

  std::vector<std::exception_ptr> const &StartupExceptionRegistry::getExceptions() const noexcept {
    return m_exceptions;
  }

} // end namespace Catch
#endif
// end catch_startup_exception_registry.cpp
// start catch_stream.cpp

#include <cstdio>
#include <fstream>
#include <iostream>
#include <memory>
#include <sstream>
#include <vector>

namespace Catch {
  Catch::IStream::~IStream() = default;

  namespace Detail {
    namespace {
      template<typename WriterF, std::size_t bufferSize = 256>
      class StreamBufImpl : public std::streambuf {
        char data[bufferSize];
        WriterF m_writer;

      public:
        StreamBufImpl() { setp(data, data + sizeof(data)); }

        ~StreamBufImpl() noexcept { StreamBufImpl::sync(); }

      private:
        int overflow(int c) override {
          sync();

          if (c != EOF) {
            if (pbase() == epptr())
              m_writer(std::string(1, static_cast<char>(c)));
            else
              sputc(static_cast<char>(c));
          }
          return 0;
        }

        int sync() override {
          if (pbase() != pptr()) {
            m_writer(std::string(pbase(), static_cast<std::string::size_type>(pptr() - pbase())));
            setp(pbase(), epptr());
          }
          return 0;
        }
      };

      ///////////////////////////////////////////////////////////////////////////

      struct OutputDebugWriter {
        void operator()(std::string const &str) { writeToDebugConsole(str); }
      };

      ///////////////////////////////////////////////////////////////////////////

      class FileStream : public IStream {
        mutable std::ofstream m_ofs;

      public:
        FileStream(StringRef filename) {
          m_ofs.open(filename.c_str());
          CATCH_ENFORCE(!m_ofs.fail(), "Unable to open file: '" << filename << "'");
        }
        ~FileStream() override = default;

      public: // IStream
        std::ostream &stream() const override { return m_ofs; }
      };

      ///////////////////////////////////////////////////////////////////////////

      class CoutStream : public IStream {
        mutable std::ostream m_os;

      public:
        // Store the streambuf from cout up-front because
        // cout may get redirected when running tests
        CoutStream()
            : m_os(Catch::cout().rdbuf()) {
        }
        ~CoutStream() override = default;

      public: // IStream
        std::ostream &stream() const override { return m_os; }
      };

      ///////////////////////////////////////////////////////////////////////////

      class DebugOutStream : public IStream {
        std::unique_ptr<StreamBufImpl<OutputDebugWriter>> m_streamBuf;
        mutable std::ostream m_os;

      public:
        DebugOutStream()
            : m_streamBuf(new StreamBufImpl<OutputDebugWriter>())
            , m_os(m_streamBuf.get()) {
        }

        ~DebugOutStream() override = default;

      public: // IStream
        std::ostream &stream() const override { return m_os; }
      };

    } // namespace
  } // namespace Detail

  ///////////////////////////////////////////////////////////////////////////

  auto makeStream(StringRef const &filename) -> IStream const * {
    if (filename.empty())
      return new Detail::CoutStream();
    else if (filename[0] == '%') {
      if (filename == "%debug")
        return new Detail::DebugOutStream();
      else
        CATCH_ERROR("Unrecognised stream: '" << filename << "'");
    } else
      return new Detail::FileStream(filename);
  }

  // This class encapsulates the idea of a pool of ostringstreams that can be reused.
  struct StringStreams {
    std::vector<std::unique_ptr<std::ostringstream>> m_streams;
    std::vector<std::size_t> m_unused;
    std::ostringstream m_referenceStream; // Used for copy state/ flags from

    auto add() -> std::size_t {
      if (m_unused.empty()) {
        m_streams.push_back(std::unique_ptr<std::ostringstream>(new std::ostringstream));
        return m_streams.size() - 1;
      } else {
        auto index = m_unused.back();
        m_unused.pop_back();
        return index;
      }
    }

    void release(std::size_t index) {
      m_streams[index]->copyfmt(m_referenceStream); // Restore initial flags and other state
      m_unused.push_back(index);
    }
  };

  ReusableStringStream::ReusableStringStream()
      : m_index(Singleton<StringStreams>::getMutable().add())
      , m_oss(Singleton<StringStreams>::getMutable().m_streams[m_index].get()) {
  }

  ReusableStringStream::~ReusableStringStream() {
    static_cast<std::ostringstream *>(m_oss)->str("");
    m_oss->clear();
    Singleton<StringStreams>::getMutable().release(m_index);
  }

  auto ReusableStringStream::str() const -> std::string {
    return static_cast<std::ostringstream *>(m_oss)->str();
  }

  ///////////////////////////////////////////////////////////////////////////

#ifndef CATCH_CONFIG_NOSTDOUT // If you #define this you must implement these functions
  std::ostream &cout() {
    return std::cout;
  }
  std::ostream &cerr() {
    return std::cerr;
  }
  std::ostream &clog() {
    return std::clog;
  }
#endif
} // namespace Catch
// end catch_stream.cpp
// start catch_string_manip.cpp

#include <algorithm>
#include <cctype>
#include <cstring>
#include <ostream>
#include <vector>

namespace Catch {
  namespace {
    char toLowerCh(char c) {
      return static_cast<char>(std::tolower(static_cast<unsigned char>(c)));
    }
  } // namespace

  bool startsWith(std::string const &s, std::string const &prefix) {
    return s.size() >= prefix.size() && std::equal(prefix.begin(), prefix.end(), s.begin());
  }
  bool startsWith(std::string const &s, char prefix) {
    return !s.empty() && s[0] == prefix;
  }
  bool endsWith(std::string const &s, std::string const &suffix) {
    return s.size() >= suffix.size() && std::equal(suffix.rbegin(), suffix.rend(), s.rbegin());
  }
  bool endsWith(std::string const &s, char suffix) {
    return !s.empty() && s[s.size() - 1] == suffix;
  }
  bool contains(std::string const &s, std::string const &infix) {
    return s.find(infix) != std::string::npos;
  }
  void toLowerInPlace(std::string &s) {
    std::transform(s.begin(), s.end(), s.begin(), toLowerCh);
  }
  std::string toLower(std::string const &s) {
    std::string lc = s;
    toLowerInPlace(lc);
    return lc;
  }
  std::string trim(std::string const &str) {
    static char const *whitespaceChars = "\n\r\t ";
    std::string::size_type start = str.find_first_not_of(whitespaceChars);
    std::string::size_type end = str.find_last_not_of(whitespaceChars);

    return start != std::string::npos ? str.substr(start, 1 + end - start) : std::string();
  }

  StringRef trim(StringRef ref) {
    const auto is_ws = [](char c) { return c == ' ' || c == '\t' || c == '\n' || c == '\r'; };
    size_t real_begin = 0;
    while (real_begin < ref.size() && is_ws(ref[real_begin])) {
      ++real_begin;
    }
    size_t real_end = ref.size();
    while (real_end > real_begin && is_ws(ref[real_end - 1])) {
      --real_end;
    }

    return ref.substr(real_begin, real_end - real_begin);
  }

  bool replaceInPlace(std::string &str, std::string const &replaceThis, std::string const &withThis) {
    bool replaced = false;
    std::size_t i = str.find(replaceThis);
    while (i != std::string::npos) {
      replaced = true;
      str = str.substr(0, i) + withThis + str.substr(i + replaceThis.size());
      if (i < str.size() - withThis.size())
        i = str.find(replaceThis, i + withThis.size());
      else
        i = std::string::npos;
    }
    return replaced;
  }

  std::vector<StringRef> splitStringRef(StringRef str, char delimiter) {
    std::vector<StringRef> subStrings;
    std::size_t start = 0;
    for (std::size_t pos = 0; pos < str.size(); ++pos) {
      if (str[pos] == delimiter) {
        if (pos - start > 1)
          subStrings.push_back(str.substr(start, pos - start));
        start = pos + 1;
      }
    }
    if (start < str.size())
      subStrings.push_back(str.substr(start, str.size() - start));
    return subStrings;
  }

  pluralise::pluralise(std::size_t count, std::string const &label)
      : m_count(count)
      , m_label(label) {
  }

  std::ostream &operator<<(std::ostream &os, pluralise const &pluraliser) {
    os << pluraliser.m_count << ' ' << pluraliser.m_label;
    if (pluraliser.m_count != 1)
      os << 's';
    return os;
  }

} // namespace Catch
// end catch_string_manip.cpp
// start catch_stringref.cpp

#include <algorithm>
#include <cstdint>
#include <cstring>
#include <ostream>

namespace Catch {
  StringRef::StringRef(char const *rawChars) noexcept
      : StringRef(rawChars, static_cast<StringRef::size_type>(std::strlen(rawChars))) {
  }

  auto StringRef::c_str() const -> char const * {
    CATCH_ENFORCE(isNullTerminated(), "Called StringRef::c_str() on a non-null-terminated instance");
    return m_start;
  }
  auto StringRef::data() const noexcept -> char const * {
    return m_start;
  }

  auto StringRef::substr(size_type start, size_type size) const noexcept -> StringRef {
    if (start < m_size) {
      return StringRef(m_start + start, (std::min)(m_size - start, size));
    } else {
      return StringRef();
    }
  }
  auto StringRef::operator==(StringRef const &other) const noexcept -> bool {
    return m_size == other.m_size && (std::memcmp(m_start, other.m_start, m_size) == 0);
  }

  auto operator<<(std::ostream &os, StringRef const &str) -> std::ostream & {
    return os.write(str.data(), str.size());
  }

  auto operator+=(std::string &lhs, StringRef const &rhs) -> std::string & {
    lhs.append(rhs.data(), rhs.size());
    return lhs;
  }

} // namespace Catch
// end catch_stringref.cpp
// start catch_tag_alias.cpp

namespace Catch {
  TagAlias::TagAlias(std::string const &_tag, SourceLineInfo _lineInfo)
      : tag(_tag)
      , lineInfo(_lineInfo) {
  }
} // namespace Catch
// end catch_tag_alias.cpp
// start catch_tag_alias_autoregistrar.cpp

namespace Catch {
  RegistrarForTagAliases::RegistrarForTagAliases(char const *alias, char const *tag, SourceLineInfo const &lineInfo) {
    CATCH_TRY { getMutableRegistryHub().registerTagAlias(alias, tag, lineInfo); }
    CATCH_CATCH_ALL {
      // Do not throw when constructing global objects, instead register the exception to be processed later
      getMutableRegistryHub().registerStartupException();
    }
  }

} // namespace Catch
// end catch_tag_alias_autoregistrar.cpp
// start catch_tag_alias_registry.cpp

#include <sstream>

namespace Catch {
  TagAliasRegistry::~TagAliasRegistry() {}

  TagAlias const *TagAliasRegistry::find(std::string const &alias) const {
    auto it = m_registry.find(alias);
    if (it != m_registry.end())
      return &(it->second);
    else
      return nullptr;
  }

  std::string TagAliasRegistry::expandAliases(std::string const &unexpandedTestSpec) const {
    std::string expandedTestSpec = unexpandedTestSpec;
    for (auto const &registryKvp : m_registry) {
      std::size_t pos = expandedTestSpec.find(registryKvp.first);
      if (pos != std::string::npos) {
        expandedTestSpec
            = expandedTestSpec.substr(0, pos) + registryKvp.second.tag + expandedTestSpec.substr(pos + registryKvp.first.size());
      }
    }
    return expandedTestSpec;
  }

  void TagAliasRegistry::add(std::string const &alias, std::string const &tag, SourceLineInfo const &lineInfo) {
    CATCH_ENFORCE(startsWith(alias, "[@") && endsWith(alias, ']'),
                  "error: tag alias, '" << alias << "' is not of the form [@alias name].\n"
                                        << lineInfo);

    CATCH_ENFORCE(m_registry.insert(std::make_pair(alias, TagAlias(tag, lineInfo))).second,
                  "error: tag alias, '" << alias << "' already registered.\n"
                                        << "\tFirst seen at: " << find(alias)->lineInfo << "\n"
                                        << "\tRedefined at: " << lineInfo);
  }

  ITagAliasRegistry::~ITagAliasRegistry() {}

  ITagAliasRegistry const &ITagAliasRegistry::get() {
    return getRegistryHub().getTagAliasRegistry();
  }

} // end namespace Catch
// end catch_tag_alias_registry.cpp
// start catch_test_case_info.cpp

#include <algorithm>
#include <cctype>
#include <exception>
#include <sstream>

namespace Catch {
  namespace {
    TestCaseInfo::SpecialProperties parseSpecialTag(std::string const &tag) {
      if (startsWith(tag, '.') || tag == "!hide")
        return TestCaseInfo::IsHidden;
      else if (tag == "!throws")
        return TestCaseInfo::Throws;
      else if (tag == "!shouldfail")
        return TestCaseInfo::ShouldFail;
      else if (tag == "!mayfail")
        return TestCaseInfo::MayFail;
      else if (tag == "!nonportable")
        return TestCaseInfo::NonPortable;
      else if (tag == "!benchmark")
        return static_cast<TestCaseInfo::SpecialProperties>(TestCaseInfo::Benchmark | TestCaseInfo::IsHidden);
      else
        return TestCaseInfo::None;
    }
    bool isReservedTag(std::string const &tag) {
      return parseSpecialTag(tag) == TestCaseInfo::None && tag.size() > 0 && !std::isalnum(static_cast<unsigned char>(tag[0]));
    }
    void enforceNotReservedTag(std::string const &tag, SourceLineInfo const &_lineInfo) {
      CATCH_ENFORCE(!isReservedTag(tag),
                    "Tag name: [" << tag << "] is not allowed.\n"
                                  << "Tag names starting with non alphanumeric characters are reserved\n"
                                  << _lineInfo);
    }
  } // namespace

  TestCase makeTestCase(ITestInvoker *_testCase, std::string const &_className, NameAndTags const &nameAndTags, SourceLineInfo const &_lineInfo) {
    bool isHidden = false;

    // Parse out tags
    std::vector<std::string> tags;
    std::string desc, tag;
    bool inTag = false;
    for (char c : nameAndTags.tags) {
      if (!inTag) {
        if (c == '[')
          inTag = true;
        else
          desc += c;
      } else {
        if (c == ']') {
          TestCaseInfo::SpecialProperties prop = parseSpecialTag(tag);
          if ((prop & TestCaseInfo::IsHidden) != 0)
            isHidden = true;
          else if (prop == TestCaseInfo::None)
            enforceNotReservedTag(tag, _lineInfo);

          // Merged hide tags like `[.approvals]` should be added as
          // `[.][approvals]`. The `[.]` is added at later point, so
          // we only strip the prefix
          if (startsWith(tag, '.') && tag.size() > 1) {
            tag.erase(0, 1);
          }
          tags.push_back(tag);
          tag.clear();
          inTag = false;
        } else
          tag += c;
      }
    }
    if (isHidden) {
      // Add all "hidden" tags to make them behave identically
      tags.insert(tags.end(), {".", "!hide"});
    }

    TestCaseInfo info(static_cast<std::string>(nameAndTags.name), _className, desc, tags, _lineInfo);
    return TestCase(_testCase, std::move(info));
  }

  void setTags(TestCaseInfo &testCaseInfo, std::vector<std::string> tags) {
    std::sort(begin(tags), end(tags));
    tags.erase(std::unique(begin(tags), end(tags)), end(tags));
    testCaseInfo.lcaseTags.clear();

    for (auto const &tag : tags) {
      std::string lcaseTag = toLower(tag);
      testCaseInfo.properties = static_cast<TestCaseInfo::SpecialProperties>(testCaseInfo.properties | parseSpecialTag(lcaseTag));
      testCaseInfo.lcaseTags.push_back(lcaseTag);
    }
    testCaseInfo.tags = std::move(tags);
  }

  TestCaseInfo::TestCaseInfo(std::string const &_name,
                             std::string const &_className,
                             std::string const &_description,
                             std::vector<std::string> const &_tags,
                             SourceLineInfo const &_lineInfo)
      : name(_name)
      , className(_className)
      , description(_description)
      , lineInfo(_lineInfo)
      , properties(None) {
    setTags(*this, _tags);
  }

  bool TestCaseInfo::isHidden() const {
    return (properties & IsHidden) != 0;
  }
  bool TestCaseInfo::throws() const {
    return (properties & Throws) != 0;
  }
  bool TestCaseInfo::okToFail() const {
    return (properties & (ShouldFail | MayFail)) != 0;
  }
  bool TestCaseInfo::expectedToFail() const {
    return (properties & (ShouldFail)) != 0;
  }

  std::string TestCaseInfo::tagsAsString() const {
    std::string ret;
    // '[' and ']' per tag
    std::size_t full_size = 2 * tags.size();
    for (const auto &tag : tags) {
      full_size += tag.size();
    }
    ret.reserve(full_size);
    for (const auto &tag : tags) {
      ret.push_back('[');
      ret.append(tag);
      ret.push_back(']');
    }

    return ret;
  }

  TestCase::TestCase(ITestInvoker *testCase, TestCaseInfo &&info)
      : TestCaseInfo(std::move(info))
      , test(testCase) {
  }

  TestCase TestCase::withName(std::string const &_newName) const {
    TestCase other(*this);
    other.name = _newName;
    return other;
  }

  void TestCase::invoke() const {
    test->invoke();
  }

  bool TestCase::operator==(TestCase const &other) const {
    return test.get() == other.test.get() && name == other.name && className == other.className;
  }

  bool TestCase::operator<(TestCase const &other) const {
    return name < other.name;
  }

  TestCaseInfo const &TestCase::getTestCaseInfo() const {
    return *this;
  }

} // end namespace Catch
// end catch_test_case_info.cpp
// start catch_test_case_registry_impl.cpp

#include <algorithm>
#include <sstream>

namespace Catch {
  namespace {
    struct TestHasher {
      using hash_t = uint64_t;

      explicit TestHasher(hash_t hashSuffix)
          : m_hashSuffix{hashSuffix} {
      }

      uint32_t operator()(TestCase const &t) const {
        // FNV-1a hash with multiplication fold.
        const hash_t prime = 1099511628211u;
        hash_t hash = 14695981039346656037u;
        for (const char c : t.name) {
          hash ^= c;
          hash *= prime;
        }
        hash ^= m_hashSuffix;
        hash *= prime;
        const uint32_t low{static_cast<uint32_t>(hash)};
        const uint32_t high{static_cast<uint32_t>(hash >> 32)};
        return low * high;
      }

    private:
      hash_t m_hashSuffix;
    };
  } // end unnamed namespace

  std::vector<TestCase> sortTests(IConfig const &config, std::vector<TestCase> const &unsortedTestCases) {
    switch (config.runOrder()) {
      case RunTests::InDeclarationOrder:
        // already in declaration order
        break;

      case RunTests::InLexicographicalOrder: {
        std::vector<TestCase> sorted = unsortedTestCases;
        std::sort(sorted.begin(), sorted.end());
        return sorted;
      }

      case RunTests::InRandomOrder: {
        seedRng(config);
        TestHasher h{config.rngSeed()};

        using hashedTest = std::pair<TestHasher::hash_t, TestCase const *>;
        std::vector<hashedTest> indexed_tests;
        indexed_tests.reserve(unsortedTestCases.size());

        for (auto const &testCase : unsortedTestCases) {
          indexed_tests.emplace_back(h(testCase), &testCase);
        }

        std::sort(indexed_tests.begin(), indexed_tests.end(), [](hashedTest const &lhs, hashedTest const &rhs) {
          if (lhs.first == rhs.first) {
            return lhs.second->name < rhs.second->name;
          }
          return lhs.first < rhs.first;
        });

        std::vector<TestCase> sorted;
        sorted.reserve(indexed_tests.size());

        for (auto const &hashed : indexed_tests) {
          sorted.emplace_back(*hashed.second);
        }

        return sorted;
      }
    }
    return unsortedTestCases;
  }

  bool isThrowSafe(TestCase const &testCase, IConfig const &config) {
    return !testCase.throws() || config.allowThrows();
  }

  bool matchTest(TestCase const &testCase, TestSpec const &testSpec, IConfig const &config) {
    return testSpec.matches(testCase) && isThrowSafe(testCase, config);
  }

  void enforceNoDuplicateTestCases(std::vector<TestCase> const &functions) {
    std::set<TestCase> seenFunctions;
    for (auto const &function : functions) {
      auto prev = seenFunctions.insert(function);
      CATCH_ENFORCE(prev.second,
                    "error: TEST_CASE( \"" << function.name << "\" ) already defined.\n"
                                           << "\tFirst seen at " << prev.first->getTestCaseInfo().lineInfo << "\n"
                                           << "\tRedefined at " << function.getTestCaseInfo().lineInfo);
    }
  }

  std::vector<TestCase> filterTests(std::vector<TestCase> const &testCases, TestSpec const &testSpec, IConfig const &config) {
    std::vector<TestCase> filtered;
    filtered.reserve(testCases.size());
    for (auto const &testCase : testCases) {
      if ((!testSpec.hasFilters() && !testCase.isHidden()) || (testSpec.hasFilters() && matchTest(testCase, testSpec, config))) {
        filtered.push_back(testCase);
      }
    }
    return filtered;
  }
  std::vector<TestCase> const &getAllTestCasesSorted(IConfig const &config) {
    return getRegistryHub().getTestCaseRegistry().getAllTestsSorted(config);
  }

  void TestRegistry::registerTest(TestCase const &testCase) {
    std::string name = testCase.getTestCaseInfo().name;
    if (name.empty()) {
      ReusableStringStream rss;
      rss << "Anonymous test case " << ++m_unnamedCount;
      return registerTest(testCase.withName(rss.str()));
    }
    m_functions.push_back(testCase);
  }

  std::vector<TestCase> const &TestRegistry::getAllTests() const {
    return m_functions;
  }
  std::vector<TestCase> const &TestRegistry::getAllTestsSorted(IConfig const &config) const {
    if (m_sortedFunctions.empty())
      enforceNoDuplicateTestCases(m_functions);

    if (m_currentSortOrder != config.runOrder() || m_sortedFunctions.empty()) {
      m_sortedFunctions = sortTests(config, m_functions);
      m_currentSortOrder = config.runOrder();
    }
    return m_sortedFunctions;
  }

  ///////////////////////////////////////////////////////////////////////////
  TestInvokerAsFunction::TestInvokerAsFunction(void (*testAsFunction)()) noexcept
      : m_testAsFunction(testAsFunction) {
  }

  void TestInvokerAsFunction::invoke() const {
    m_testAsFunction();
  }

  std::string extractClassName(StringRef const &classOrQualifiedMethodName) {
    std::string className(classOrQualifiedMethodName);
    if (startsWith(className, '&')) {
      std::size_t lastColons = className.rfind("::");
      std::size_t penultimateColons = className.rfind("::", lastColons - 1);
      if (penultimateColons == std::string::npos)
        penultimateColons = 1;
      className = className.substr(penultimateColons, lastColons - penultimateColons);
    }
    return className;
  }

} // end namespace Catch
// end catch_test_case_registry_impl.cpp
// start catch_test_case_tracker.cpp

#include <algorithm>
#include <cassert>
#include <memory>
#include <sstream>
#include <stdexcept>

#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wexit-time-destructors"
#endif

namespace Catch {
  namespace TestCaseTracking {
    NameAndLocation::NameAndLocation(std::string const &_name, SourceLineInfo const &_location)
        : name(_name)
        , location(_location) {
    }

    ITracker::~ITracker() = default;

    ITracker &TrackerContext::startRun() {
      m_rootTracker = std::make_shared<SectionTracker>(NameAndLocation("{root}", CATCH_INTERNAL_LINEINFO), *this, nullptr);
      m_currentTracker = nullptr;
      m_runState = Executing;
      return *m_rootTracker;
    }

    void TrackerContext::endRun() {
      m_rootTracker.reset();
      m_currentTracker = nullptr;
      m_runState = NotStarted;
    }

    void TrackerContext::startCycle() {
      m_currentTracker = m_rootTracker.get();
      m_runState = Executing;
    }
    void TrackerContext::completeCycle() {
      m_runState = CompletedCycle;
    }

    bool TrackerContext::completedCycle() const {
      return m_runState == CompletedCycle;
    }
    ITracker &TrackerContext::currentTracker() {
      return *m_currentTracker;
    }
    void TrackerContext::setCurrentTracker(ITracker *tracker) {
      m_currentTracker = tracker;
    }

    TrackerBase::TrackerBase(NameAndLocation const &nameAndLocation, TrackerContext &ctx, ITracker *parent)
        : ITracker(nameAndLocation)
        , m_ctx(ctx)
        , m_parent(parent) {
    }

    bool TrackerBase::isComplete() const {
      return m_runState == CompletedSuccessfully || m_runState == Failed;
    }
    bool TrackerBase::isSuccessfullyCompleted() const {
      return m_runState == CompletedSuccessfully;
    }
    bool TrackerBase::isOpen() const {
      return m_runState != NotStarted && !isComplete();
    }
    bool TrackerBase::hasChildren() const {
      return !m_children.empty();
    }

    void TrackerBase::addChild(ITrackerPtr const &child) {
      m_children.push_back(child);
    }

    ITrackerPtr TrackerBase::findChild(NameAndLocation const &nameAndLocation) {
      auto it = std::find_if(m_children.begin(), m_children.end(), [&nameAndLocation](ITrackerPtr const &tracker) {
        return tracker->nameAndLocation().location == nameAndLocation.location && tracker->nameAndLocation().name == nameAndLocation.name;
      });
      return (it != m_children.end()) ? *it : nullptr;
    }
    ITracker &TrackerBase::parent() {
      assert(m_parent); // Should always be non-null except for root
      return *m_parent;
    }

    void TrackerBase::openChild() {
      if (m_runState != ExecutingChildren) {
        m_runState = ExecutingChildren;
        if (m_parent)
          m_parent->openChild();
      }
    }

    bool TrackerBase::isSectionTracker() const {
      return false;
    }
    bool TrackerBase::isGeneratorTracker() const {
      return false;
    }

    void TrackerBase::open() {
      m_runState = Executing;
      moveToThis();
      if (m_parent)
        m_parent->openChild();
    }

    void TrackerBase::close() {
      // Close any still open children (e.g. generators)
      while (&m_ctx.currentTracker() != this)
        m_ctx.currentTracker().close();

      switch (m_runState) {
        case NeedsAnotherRun:
          break;

        case Executing:
          m_runState = CompletedSuccessfully;
          break;
        case ExecutingChildren:
          if (std::all_of(m_children.begin(), m_children.end(), [](ITrackerPtr const &t) { return t->isComplete(); }))
            m_runState = CompletedSuccessfully;
          break;

        case NotStarted:
        case CompletedSuccessfully:
        case Failed:
          CATCH_INTERNAL_ERROR("Illogical state: " << m_runState);

        default:
          CATCH_INTERNAL_ERROR("Unknown state: " << m_runState);
      }
      moveToParent();
      m_ctx.completeCycle();
    }
    void TrackerBase::fail() {
      m_runState = Failed;
      if (m_parent)
        m_parent->markAsNeedingAnotherRun();
      moveToParent();
      m_ctx.completeCycle();
    }
    void TrackerBase::markAsNeedingAnotherRun() {
      m_runState = NeedsAnotherRun;
    }

    void TrackerBase::moveToParent() {
      assert(m_parent);
      m_ctx.setCurrentTracker(m_parent);
    }
    void TrackerBase::moveToThis() {
      m_ctx.setCurrentTracker(this);
    }

    SectionTracker::SectionTracker(NameAndLocation const &nameAndLocation, TrackerContext &ctx, ITracker *parent)
        : TrackerBase(nameAndLocation, ctx, parent)
        , m_trimmed_name(trim(nameAndLocation.name)) {
      if (parent) {
        while (!parent->isSectionTracker())
          parent = &parent->parent();

        SectionTracker &parentSection = static_cast<SectionTracker &>(*parent);
        addNextFilters(parentSection.m_filters);
      }
    }

    bool SectionTracker::isComplete() const {
      bool complete = true;

      if (m_filters.empty() || m_filters[0] == "" || std::find(m_filters.begin(), m_filters.end(), m_trimmed_name) != m_filters.end()) {
        complete = TrackerBase::isComplete();
      }
      return complete;
    }

    bool SectionTracker::isSectionTracker() const {
      return true;
    }

    SectionTracker &SectionTracker::acquire(TrackerContext &ctx, NameAndLocation const &nameAndLocation) {
      std::shared_ptr<SectionTracker> section;

      ITracker &currentTracker = ctx.currentTracker();
      if (ITrackerPtr childTracker = currentTracker.findChild(nameAndLocation)) {
        assert(childTracker);
        assert(childTracker->isSectionTracker());
        section = std::static_pointer_cast<SectionTracker>(childTracker);
      } else {
        section = std::make_shared<SectionTracker>(nameAndLocation, ctx, &currentTracker);
        currentTracker.addChild(section);
      }
      if (!ctx.completedCycle())
        section->tryOpen();
      return *section;
    }

    void SectionTracker::tryOpen() {
      if (!isComplete())
        open();
    }

    void SectionTracker::addInitialFilters(std::vector<std::string> const &filters) {
      if (!filters.empty()) {
        m_filters.reserve(m_filters.size() + filters.size() + 2);
        m_filters.emplace_back(""); // Root - should never be consulted
        m_filters.emplace_back(""); // Test Case - not a section filter
        m_filters.insert(m_filters.end(), filters.begin(), filters.end());
      }
    }
    void SectionTracker::addNextFilters(std::vector<std::string> const &filters) {
      if (filters.size() > 1)
        m_filters.insert(m_filters.end(), filters.begin() + 1, filters.end());
    }

    std::vector<std::string> const &SectionTracker::getFilters() const {
      return m_filters;
    }

    std::string const &SectionTracker::trimmedName() const {
      return m_trimmed_name;
    }

  } // namespace TestCaseTracking

  using TestCaseTracking::ITracker;
  using TestCaseTracking::SectionTracker;
  using TestCaseTracking::TrackerContext;

} // namespace Catch

#if defined(__clang__)
#pragma clang diagnostic pop
#endif
// end catch_test_case_tracker.cpp
// start catch_test_registry.cpp

namespace Catch {
  auto makeTestInvoker(void (*testAsFunction)()) noexcept -> ITestInvoker * {
    return new (std::nothrow) TestInvokerAsFunction(testAsFunction);
  }

  NameAndTags::NameAndTags(StringRef const &name_, StringRef const &tags_) noexcept
      : name(name_)
      , tags(tags_) {
  }

  AutoReg::AutoReg(ITestInvoker *invoker, SourceLineInfo const &lineInfo, StringRef const &classOrMethod, NameAndTags const &nameAndTags) noexcept {
    CATCH_TRY { getMutableRegistryHub().registerTest(makeTestCase(invoker, extractClassName(classOrMethod), nameAndTags, lineInfo)); }
    CATCH_CATCH_ALL {
      // Do not throw when constructing global objects, instead register the exception to be processed later
      getMutableRegistryHub().registerStartupException();
    }
  }

  AutoReg::~AutoReg() = default;
} // namespace Catch
// end catch_test_registry.cpp
// start catch_test_spec.cpp

#include <algorithm>
#include <memory>
#include <string>
#include <vector>

namespace Catch {
  TestSpec::Pattern::Pattern(std::string const &name)
      : m_name(name) {
  }

  TestSpec::Pattern::~Pattern() = default;

  std::string const &TestSpec::Pattern::name() const {
    return m_name;
  }

  TestSpec::NamePattern::NamePattern(std::string const &name, std::string const &filterString)
      : Pattern(filterString)
      , m_wildcardPattern(toLower(name), CaseSensitive::No) {
  }

  bool TestSpec::NamePattern::matches(TestCaseInfo const &testCase) const {
    return m_wildcardPattern.matches(testCase.name);
  }

  TestSpec::TagPattern::TagPattern(std::string const &tag, std::string const &filterString)
      : Pattern(filterString)
      , m_tag(toLower(tag)) {
  }

  bool TestSpec::TagPattern::matches(TestCaseInfo const &testCase) const {
    return std::find(begin(testCase.lcaseTags), end(testCase.lcaseTags), m_tag) != end(testCase.lcaseTags);
  }

  TestSpec::ExcludedPattern::ExcludedPattern(PatternPtr const &underlyingPattern)
      : Pattern(underlyingPattern->name())
      , m_underlyingPattern(underlyingPattern) {
  }

  bool TestSpec::ExcludedPattern::matches(TestCaseInfo const &testCase) const {
    return !m_underlyingPattern->matches(testCase);
  }

  bool TestSpec::Filter::matches(TestCaseInfo const &testCase) const {
    return std::all_of(m_patterns.begin(), m_patterns.end(), [&](PatternPtr const &p) { return p->matches(testCase); });
  }

  std::string TestSpec::Filter::name() const {
    std::string name;
    for (auto const &p : m_patterns)
      name += p->name();
    return name;
  }

  bool TestSpec::hasFilters() const {
    return !m_filters.empty();
  }

  bool TestSpec::matches(TestCaseInfo const &testCase) const {
    return std::any_of(m_filters.begin(), m_filters.end(), [&](Filter const &f) { return f.matches(testCase); });
  }

  TestSpec::Matches TestSpec::matchesByFilter(std::vector<TestCase> const &testCases, IConfig const &config) const {
    Matches matches(m_filters.size());
    std::transform(m_filters.begin(), m_filters.end(), matches.begin(), [&](Filter const &filter) {
      std::vector<TestCase const *> currentMatches;
      for (auto const &test : testCases)
        if (isThrowSafe(test, config) && filter.matches(test))
          currentMatches.emplace_back(&test);
      return FilterMatch{filter.name(), currentMatches};
    });
    return matches;
  }

  const TestSpec::vectorStrings &TestSpec::getInvalidArgs() const {
    return (m_invalidArgs);
  }

} // namespace Catch
// end catch_test_spec.cpp
// start catch_test_spec_parser.cpp

namespace Catch {
  TestSpecParser::TestSpecParser(ITagAliasRegistry const &tagAliases)
      : m_tagAliases(&tagAliases) {
  }

  TestSpecParser &TestSpecParser::parse(std::string const &arg) {
    m_mode = None;
    m_exclusion = false;
    m_arg = m_tagAliases->expandAliases(arg);
    m_escapeChars.clear();
    m_substring.reserve(m_arg.size());
    m_patternName.reserve(m_arg.size());
    m_realPatternPos = 0;

    for (m_pos = 0; m_pos < m_arg.size(); ++m_pos)
      // if visitChar fails
      if (!visitChar(m_arg[m_pos])) {
        m_testSpec.m_invalidArgs.push_back(arg);
        break;
      }
    endMode();
    return *this;
  }
  TestSpec TestSpecParser::testSpec() {
    addFilter();
    return m_testSpec;
  }
  bool TestSpecParser::visitChar(char c) {
    if ((m_mode != EscapedName) && (c == '\\')) {
      escape();
      addCharToPattern(c);
      return true;
    } else if ((m_mode != EscapedName) && (c == ',')) {
      return separate();
    }

    switch (m_mode) {
      case None:
        if (processNoneChar(c))
          return true;
        break;
      case Name:
        processNameChar(c);
        break;
      case EscapedName:
        endMode();
        addCharToPattern(c);
        return true;
      default:
      case Tag:
      case QuotedName:
        if (processOtherChar(c))
          return true;
        break;
    }

    m_substring += c;
    if (!isControlChar(c)) {
      m_patternName += c;
      m_realPatternPos++;
    }
    return true;
  }
  // Two of the processing methods return true to signal the caller to return
  // without adding the given character to the current pattern strings
  bool TestSpecParser::processNoneChar(char c) {
    switch (c) {
      case ' ':
        return true;
      case '~':
        m_exclusion = true;
        return false;
      case '[':
        startNewMode(Tag);
        return false;
      case '"':
        startNewMode(QuotedName);
        return false;
      default:
        startNewMode(Name);
        return false;
    }
  }
  void TestSpecParser::processNameChar(char c) {
    if (c == '[') {
      if (m_substring == "exclude:")
        m_exclusion = true;
      else
        endMode();
      startNewMode(Tag);
    }
  }
  bool TestSpecParser::processOtherChar(char c) {
    if (!isControlChar(c))
      return false;
    m_substring += c;
    endMode();
    return true;
  }
  void TestSpecParser::startNewMode(Mode mode) {
    m_mode = mode;
  }
  void TestSpecParser::endMode() {
    switch (m_mode) {
      case Name:
      case QuotedName:
        return addNamePattern();
      case Tag:
        return addTagPattern();
      case EscapedName:
        revertBackToLastMode();
        return;
      case None:
      default:
        return startNewMode(None);
    }
  }
  void TestSpecParser::escape() {
    saveLastMode();
    m_mode = EscapedName;
    m_escapeChars.push_back(m_realPatternPos);
  }
  bool TestSpecParser::isControlChar(char c) const {
    switch (m_mode) {
      default:
        return false;
      case None:
        return c == '~';
      case Name:
        return c == '[';
      case EscapedName:
        return true;
      case QuotedName:
        return c == '"';
      case Tag:
        return c == '[' || c == ']';
    }
  }

  void TestSpecParser::addFilter() {
    if (!m_currentFilter.m_patterns.empty()) {
      m_testSpec.m_filters.push_back(m_currentFilter);
      m_currentFilter = TestSpec::Filter();
    }
  }

  void TestSpecParser::saveLastMode() {
    lastMode = m_mode;
  }

  void TestSpecParser::revertBackToLastMode() {
    m_mode = lastMode;
  }

  bool TestSpecParser::separate() {
    if ((m_mode == QuotedName) || (m_mode == Tag)) {
      // invalid argument, signal failure to previous scope.
      m_mode = None;
      m_pos = m_arg.size();
      m_substring.clear();
      m_patternName.clear();
      m_realPatternPos = 0;
      return false;
    }
    endMode();
    addFilter();
    return true; // success
  }

  std::string TestSpecParser::preprocessPattern() {
    std::string token = m_patternName;
    for (std::size_t i = 0; i < m_escapeChars.size(); ++i)
      token = token.substr(0, m_escapeChars[i] - i) + token.substr(m_escapeChars[i] - i + 1);
    m_escapeChars.clear();
    if (startsWith(token, "exclude:")) {
      m_exclusion = true;
      token = token.substr(8);
    }

    m_patternName.clear();
    m_realPatternPos = 0;

    return token;
  }

  void TestSpecParser::addNamePattern() {
    auto token = preprocessPattern();

    if (!token.empty()) {
      TestSpec::PatternPtr pattern = std::make_shared<TestSpec::NamePattern>(token, m_substring);
      if (m_exclusion)
        pattern = std::make_shared<TestSpec::ExcludedPattern>(pattern);
      m_currentFilter.m_patterns.push_back(pattern);
    }
    m_substring.clear();
    m_exclusion = false;
    m_mode = None;
  }

  void TestSpecParser::addTagPattern() {
    auto token = preprocessPattern();

    if (!token.empty()) {
      // If the tag pattern is the "hide and tag" shorthand (e.g. [.foo])
      // we have to create a separate hide tag and shorten the real one
      if (token.size() > 1 && token[0] == '.') {
        token.erase(token.begin());
        TestSpec::PatternPtr pattern = std::make_shared<TestSpec::TagPattern>(".", m_substring);
        if (m_exclusion) {
          pattern = std::make_shared<TestSpec::ExcludedPattern>(pattern);
        }
        m_currentFilter.m_patterns.push_back(pattern);
      }

      TestSpec::PatternPtr pattern = std::make_shared<TestSpec::TagPattern>(token, m_substring);

      if (m_exclusion) {
        pattern = std::make_shared<TestSpec::ExcludedPattern>(pattern);
      }
      m_currentFilter.m_patterns.push_back(pattern);
    }
    m_substring.clear();
    m_exclusion = false;
    m_mode = None;
  }

  TestSpec parseTestSpec(std::string const &arg) {
    return TestSpecParser(ITagAliasRegistry::get()).parse(arg).testSpec();
  }

} // namespace Catch
// end catch_test_spec_parser.cpp
// start catch_timer.cpp

#include <chrono>

static const uint64_t nanosecondsInSecond = 1000000000;

namespace Catch {
  auto getCurrentNanosecondsSinceEpoch() -> uint64_t {
    return std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
  }

  namespace {
    auto estimateClockResolution() -> uint64_t {
      uint64_t sum = 0;
      static const uint64_t iterations = 1000000;

      auto startTime = getCurrentNanosecondsSinceEpoch();

      for (std::size_t i = 0; i < iterations; ++i) {
        uint64_t ticks;
        uint64_t baseTicks = getCurrentNanosecondsSinceEpoch();
        do {
          ticks = getCurrentNanosecondsSinceEpoch();
        } while (ticks == baseTicks);

        auto delta = ticks - baseTicks;
        sum += delta;

        // If we have been calibrating for over 3 seconds -- the clock
        // is terrible and we should move on.
        // TBD: How to signal that the measured resolution is probably wrong?
        if (ticks > startTime + 3 * nanosecondsInSecond) {
          return sum / (i + 1u);
        }
      }

      // We're just taking the mean, here. To do better we could take the std. dev and exclude outliers
      // - and potentially do more iterations if there's a high variance.
      return sum / iterations;
    }
  } // namespace
  auto getEstimatedClockResolution() -> uint64_t {
    static auto s_resolution = estimateClockResolution();
    return s_resolution;
  }

  void Timer::start() {
    m_nanoseconds = getCurrentNanosecondsSinceEpoch();
  }
  auto Timer::getElapsedNanoseconds() const -> uint64_t {
    return getCurrentNanosecondsSinceEpoch() - m_nanoseconds;
  }
  auto Timer::getElapsedMicroseconds() const -> uint64_t {
    return getElapsedNanoseconds() / 1000;
  }
  auto Timer::getElapsedMilliseconds() const -> unsigned int {
    return static_cast<unsigned int>(getElapsedMicroseconds() / 1000);
  }
  auto Timer::getElapsedSeconds() const -> double {
    return getElapsedMicroseconds() / 1000000.0;
  }

} // namespace Catch
// end catch_timer.cpp
// start catch_tostring.cpp

#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wexit-time-destructors"
#pragma clang diagnostic ignored "-Wglobal-constructors"
#endif

// Enable specific decls locally
#if !defined(CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER)
#define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
#endif

#include <cmath>
#include <iomanip>

namespace Catch {
  namespace Detail {
    const std::string unprintableString = "{?}";

    namespace {
      const int hexThreshold = 255;

      struct Endianness {
        enum Arch {
          Big,
          Little
        };

        static Arch which() {
          int one = 1;
          // If the lowest byte we read is non-zero, we can assume
          // that little endian format is used.
          auto value = *reinterpret_cast<char *>(&one);
          return value ? Little : Big;
        }
      };
    } // namespace

    std::string rawMemoryToString(const void *object, std::size_t size) {
      // Reverse order for little endian architectures
      int i = 0, end = static_cast<int>(size), inc = 1;
      if (Endianness::which() == Endianness::Little) {
        i = end - 1;
        end = inc = -1;
      }

      unsigned char const *bytes = static_cast<unsigned char const *>(object);
      ReusableStringStream rss;
      rss << "0x" << std::setfill('0') << std::hex;
      for (; i != end; i += inc)
        rss << std::setw(2) << static_cast<unsigned>(bytes[i]);
      return rss.str();
    }
  } // namespace Detail

  template<typename T>
  std::string fpToString(T value, int precision) {
    if (Catch::isnan(value)) {
      return "nan";
    }

    ReusableStringStream rss;
    rss << std::setprecision(precision) << std::fixed << value;
    std::string d = rss.str();
    std::size_t i = d.find_last_not_of('0');
    if (i != std::string::npos && i != d.size() - 1) {
      if (d[i] == '.')
        i++;
      d = d.substr(0, i + 1);
    }
    return d;
  }

  //// ======================================================= ////
  //
  //   Out-of-line defs for full specialization of StringMaker
  //
  //// ======================================================= ////

  std::string StringMaker<std::string>::convert(const std::string &str) {
    if (!getCurrentContext().getConfig()->showInvisibles()) {
      return '"' + str + '"';
    }

    std::string s("\"");
    for (char c : str) {
      switch (c) {
        case '\n':
          s.append("\\n");
          break;
        case '\t':
          s.append("\\t");
          break;
        default:
          s.push_back(c);
          break;
      }
    }
    s.append("\"");
    return s;
  }

#ifdef CATCH_CONFIG_CPP17_STRING_VIEW
  std::string StringMaker<std::string_view>::convert(std::string_view str) {
    return ::Catch::Detail::stringify(std::string{str});
  }
#endif

  std::string StringMaker<char const *>::convert(char const *str) {
    if (str) {
      return ::Catch::Detail::stringify(std::string{str});
    } else {
      return {"{null string}"};
    }
  }
  std::string StringMaker<char *>::convert(char *str) {
    if (str) {
      return ::Catch::Detail::stringify(std::string{str});
    } else {
      return {"{null string}"};
    }
  }

#ifdef CATCH_CONFIG_WCHAR
  std::string StringMaker<std::wstring>::convert(const std::wstring &wstr) {
    std::string s;
    s.reserve(wstr.size());
    for (auto c : wstr) {
      s += (c <= 0xff) ? static_cast<char>(c) : '?';
    }
    return ::Catch::Detail::stringify(s);
  }

#ifdef CATCH_CONFIG_CPP17_STRING_VIEW
  std::string StringMaker<std::wstring_view>::convert(std::wstring_view str) {
    return StringMaker<std::wstring>::convert(std::wstring(str));
  }
#endif

  std::string StringMaker<wchar_t const *>::convert(wchar_t const *str) {
    if (str) {
      return ::Catch::Detail::stringify(std::wstring{str});
    } else {
      return {"{null string}"};
    }
  }
  std::string StringMaker<wchar_t *>::convert(wchar_t *str) {
    if (str) {
      return ::Catch::Detail::stringify(std::wstring{str});
    } else {
      return {"{null string}"};
    }
  }
#endif

#if defined(CATCH_CONFIG_CPP17_BYTE)
#include <cstddef>
  std::string StringMaker<std::byte>::convert(std::byte value) {
    return ::Catch::Detail::stringify(std::to_integer<unsigned long long>(value));
  }
#endif // defined(CATCH_CONFIG_CPP17_BYTE)

  std::string StringMaker<int>::convert(int value) {
    return ::Catch::Detail::stringify(static_cast<long long>(value));
  }
  std::string StringMaker<long>::convert(long value) {
    return ::Catch::Detail::stringify(static_cast<long long>(value));
  }
  std::string StringMaker<long long>::convert(long long value) {
    ReusableStringStream rss;
    rss << value;
    if (value > Detail::hexThreshold) {
      rss << " (0x" << std::hex << value << ')';
    }
    return rss.str();
  }

  std::string StringMaker<unsigned int>::convert(unsigned int value) {
    return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
  }
  std::string StringMaker<unsigned long>::convert(unsigned long value) {
    return ::Catch::Detail::stringify(static_cast<unsigned long long>(value));
  }
  std::string StringMaker<unsigned long long>::convert(unsigned long long value) {
    ReusableStringStream rss;
    rss << value;
    if (value > Detail::hexThreshold) {
      rss << " (0x" << std::hex << value << ')';
    }
    return rss.str();
  }

  std::string StringMaker<bool>::convert(bool b) {
    return b ? "true" : "false";
  }

  std::string StringMaker<signed char>::convert(signed char value) {
    if (value == '\r') {
      return "'\\r'";
    } else if (value == '\f') {
      return "'\\f'";
    } else if (value == '\n') {
      return "'\\n'";
    } else if (value == '\t') {
      return "'\\t'";
    } else if ('\0' <= value && value < ' ') {
      return ::Catch::Detail::stringify(static_cast<unsigned int>(value));
    } else {
      char chstr[] = "' '";
      chstr[1] = value;
      return chstr;
    }
  }
  std::string StringMaker<char>::convert(char c) {
    return ::Catch::Detail::stringify(static_cast<signed char>(c));
  }
  std::string StringMaker<unsigned char>::convert(unsigned char c) {
    return ::Catch::Detail::stringify(static_cast<char>(c));
  }

  std::string StringMaker<std::nullptr_t>::convert(std::nullptr_t) {
    return "nullptr";
  }

  int StringMaker<float>::precision = 5;

  std::string StringMaker<float>::convert(float value) {
    return fpToString(value, precision) + 'f';
  }

  int StringMaker<double>::precision = 10;

  std::string StringMaker<double>::convert(double value) {
    return fpToString(value, precision);
  }

  std::string ratio_string<std::atto>::symbol() {
    return "a";
  }
  std::string ratio_string<std::femto>::symbol() {
    return "f";
  }
  std::string ratio_string<std::pico>::symbol() {
    return "p";
  }
  std::string ratio_string<std::nano>::symbol() {
    return "n";
  }
  std::string ratio_string<std::micro>::symbol() {
    return "u";
  }
  std::string ratio_string<std::milli>::symbol() {
    return "m";
  }

} // end namespace Catch

#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// end catch_tostring.cpp
// start catch_totals.cpp

namespace Catch {
  Counts Counts::operator-(Counts const &other) const {
    Counts diff;
    diff.passed = passed - other.passed;
    diff.failed = failed - other.failed;
    diff.failedButOk = failedButOk - other.failedButOk;
    return diff;
  }

  Counts &Counts::operator+=(Counts const &other) {
    passed += other.passed;
    failed += other.failed;
    failedButOk += other.failedButOk;
    return *this;
  }

  std::size_t Counts::total() const {
    return passed + failed + failedButOk;
  }
  bool Counts::allPassed() const {
    return failed == 0 && failedButOk == 0;
  }
  bool Counts::allOk() const {
    return failed == 0;
  }

  Totals Totals::operator-(Totals const &other) const {
    Totals diff;
    diff.assertions = assertions - other.assertions;
    diff.testCases = testCases - other.testCases;
    return diff;
  }

  Totals &Totals::operator+=(Totals const &other) {
    assertions += other.assertions;
    testCases += other.testCases;
    return *this;
  }

  Totals Totals::delta(Totals const &prevTotals) const {
    Totals diff = *this - prevTotals;
    if (diff.assertions.failed > 0)
      ++diff.testCases.failed;
    else if (diff.assertions.failedButOk > 0)
      ++diff.testCases.failedButOk;
    else
      ++diff.testCases.passed;
    return diff;
  }

} // namespace Catch
// end catch_totals.cpp
// start catch_uncaught_exceptions.cpp

// start catch_config_uncaught_exceptions.hpp

//              Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
//   (See accompanying file LICENSE_1_0.txt or copy at
//        https://www.boost.org/LICENSE_1_0.txt)

// SPDX-License-Identifier: BSL-1.0

#ifndef CATCH_CONFIG_UNCAUGHT_EXCEPTIONS_HPP
#define CATCH_CONFIG_UNCAUGHT_EXCEPTIONS_HPP

#if defined(_MSC_VER)
#if _MSC_VER >= 1900 // Visual Studio 2015 or newer
#define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
#endif
#endif

#include <exception>

#if defined(__cpp_lib_uncaught_exceptions) && !defined(CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)

#define CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
#endif // __cpp_lib_uncaught_exceptions

#if defined(CATCH_INTERNAL_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS) && !defined(CATCH_CONFIG_NO_CPP17_UNCAUGHT_EXCEPTIONS) \
    && !defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)

#define CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS
#endif

#endif // CATCH_CONFIG_UNCAUGHT_EXCEPTIONS_HPP \
    // end catch_config_uncaught_exceptions.hpp
#include <exception>

namespace Catch {
  bool uncaught_exceptions() {
#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
    return false;
#elif defined(CATCH_CONFIG_CPP17_UNCAUGHT_EXCEPTIONS)
    return std::uncaught_exceptions() > 0;
#else
    return std::uncaught_exception();
#endif
  }
} // end namespace Catch
// end catch_uncaught_exceptions.cpp
// start catch_version.cpp

#include <ostream>

namespace Catch {
  Version::Version(unsigned int _majorVersion, unsigned int _minorVersion, unsigned int _patchNumber, char const *const _branchName, unsigned int _buildNumber)
      : majorVersion(_majorVersion)
      , minorVersion(_minorVersion)
      , patchNumber(_patchNumber)
      , branchName(_branchName)
      , buildNumber(_buildNumber) {
  }

  std::ostream &operator<<(std::ostream &os, Version const &version) {
    os << version.majorVersion << '.' << version.minorVersion << '.' << version.patchNumber;
    // branchName is never null -> 0th char is \0 if it is empty
    if (version.branchName[0]) {
      os << '-' << version.branchName << '.' << version.buildNumber;
    }
    return os;
  }

  Version const &libraryVersion() {
    static Version version(2, 13, 6, "", 0);
    return version;
  }

} // namespace Catch
// end catch_version.cpp
// start catch_wildcard_pattern.cpp

namespace Catch {
  WildcardPattern::WildcardPattern(std::string const &pattern, CaseSensitive::Choice caseSensitivity)
      : m_caseSensitivity(caseSensitivity)
      , m_pattern(normaliseString(pattern)) {
    if (startsWith(m_pattern, '*')) {
      m_pattern = m_pattern.substr(1);
      m_wildcard = WildcardAtStart;
    }
    if (endsWith(m_pattern, '*')) {
      m_pattern = m_pattern.substr(0, m_pattern.size() - 1);
      m_wildcard = static_cast<WildcardPosition>(m_wildcard | WildcardAtEnd);
    }
  }

  bool WildcardPattern::matches(std::string const &str) const {
    switch (m_wildcard) {
      case NoWildcard:
        return m_pattern == normaliseString(str);
      case WildcardAtStart:
        return endsWith(normaliseString(str), m_pattern);
      case WildcardAtEnd:
        return startsWith(normaliseString(str), m_pattern);
      case WildcardAtBothEnds:
        return contains(normaliseString(str), m_pattern);
      default:
        CATCH_INTERNAL_ERROR("Unknown enum");
    }
  }

  std::string WildcardPattern::normaliseString(std::string const &str) const {
    return trim(m_caseSensitivity == CaseSensitive::No ? toLower(str) : str);
  }
} // namespace Catch
// end catch_wildcard_pattern.cpp
// start catch_xmlwriter.cpp

#include <iomanip>
#include <type_traits>

namespace Catch {
  namespace {
    size_t trailingBytes(unsigned char c) {
      if ((c & 0xE0) == 0xC0) {
        return 2;
      }
      if ((c & 0xF0) == 0xE0) {
        return 3;
      }
      if ((c & 0xF8) == 0xF0) {
        return 4;
      }
      CATCH_INTERNAL_ERROR("Invalid multibyte utf-8 start byte encountered");
    }

    uint32_t headerValue(unsigned char c) {
      if ((c & 0xE0) == 0xC0) {
        return c & 0x1F;
      }
      if ((c & 0xF0) == 0xE0) {
        return c & 0x0F;
      }
      if ((c & 0xF8) == 0xF0) {
        return c & 0x07;
      }
      CATCH_INTERNAL_ERROR("Invalid multibyte utf-8 start byte encountered");
    }

    void hexEscapeChar(std::ostream &os, unsigned char c) {
      std::ios_base::fmtflags f(os.flags());
      os << "\\x" << std::uppercase << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(c);
      os.flags(f);
    }

    bool shouldNewline(XmlFormatting fmt) {
      return !!(static_cast<std::underlying_type<XmlFormatting>::type>(fmt & XmlFormatting::Newline));
    }

    bool shouldIndent(XmlFormatting fmt) {
      return !!(static_cast<std::underlying_type<XmlFormatting>::type>(fmt & XmlFormatting::Indent));
    }

  } // anonymous namespace

  XmlFormatting operator|(XmlFormatting lhs, XmlFormatting rhs) {
    return static_cast<XmlFormatting>(static_cast<std::underlying_type<XmlFormatting>::type>(lhs)
                                      | static_cast<std::underlying_type<XmlFormatting>::type>(rhs));
  }

  XmlFormatting operator&(XmlFormatting lhs, XmlFormatting rhs) {
    return static_cast<XmlFormatting>(static_cast<std::underlying_type<XmlFormatting>::type>(lhs)
                                      & static_cast<std::underlying_type<XmlFormatting>::type>(rhs));
  }

  XmlEncode::XmlEncode(std::string const &str, ForWhat forWhat)
      : m_str(str)
      , m_forWhat(forWhat) {
  }

  void XmlEncode::encodeTo(std::ostream &os) const {
    // Apostrophe escaping not necessary if we always use " to write attributes
    // (see: http://www.w3.org/TR/xml/#syntax)

    for (std::size_t idx = 0; idx < m_str.size(); ++idx) {
      unsigned char c = m_str[idx];
      switch (c) {
        case '<':
          os << "&lt;";
          break;
        case '&':
          os << "&amp;";
          break;

        case '>':
          // See: http://www.w3.org/TR/xml/#syntax
          if (idx > 2 && m_str[idx - 1] == ']' && m_str[idx - 2] == ']')
            os << "&gt;";
          else
            os << c;
          break;

        case '\"':
          if (m_forWhat == ForAttributes)
            os << "&quot;";
          else
            os << c;
          break;

        default:
          // Check for control characters and invalid utf-8

          // Escape control characters in standard ascii
          // see http://stackoverflow.com/questions/404107/why-are-control-characters-illegal-in-xml-1-0
          if (c < 0x09 || (c > 0x0D && c < 0x20) || c == 0x7F) {
            hexEscapeChar(os, c);
            break;
          }

          // Plain ASCII: Write it to stream
          if (c < 0x7F) {
            os << c;
            break;
          }

          // UTF-8 territory
          // Check if the encoding is valid and if it is not, hex escape bytes.
          // Important: We do not check the exact decoded values for validity, only the encoding format
          // First check that this bytes is a valid lead byte:
          // This means that it is not encoded as 1111 1XXX
          // Or as 10XX XXXX
          if (c < 0xC0 || c >= 0xF8) {
            hexEscapeChar(os, c);
            break;
          }

          auto encBytes = trailingBytes(c);
          // Are there enough bytes left to avoid accessing out-of-bounds memory?
          if (idx + encBytes - 1 >= m_str.size()) {
            hexEscapeChar(os, c);
            break;
          }
          // The header is valid, check data
          // The next encBytes bytes must together be a valid utf-8
          // This means: bitpattern 10XX XXXX and the extracted value is sane (ish)
          bool valid = true;
          uint32_t value = headerValue(c);
          for (std::size_t n = 1; n < encBytes; ++n) {
            unsigned char nc = m_str[idx + n];
            valid &= ((nc & 0xC0) == 0x80);
            value = (value << 6) | (nc & 0x3F);
          }

          if (
              // Wrong bit pattern of following bytes
              (!valid) ||
              // Overlong encodings
              (value < 0x80) || (0x80 <= value && value < 0x800 && encBytes > 2) || (0x800 < value && value < 0x10000 && encBytes > 3) ||
              // Encoded value out of range
              (value >= 0x110000)) {
            hexEscapeChar(os, c);
            break;
          }

          // If we got here, this is in fact a valid(ish) utf-8 sequence
          for (std::size_t n = 0; n < encBytes; ++n) {
            os << m_str[idx + n];
          }
          idx += encBytes - 1;
          break;
      }
    }
  }

  std::ostream &operator<<(std::ostream &os, XmlEncode const &xmlEncode) {
    xmlEncode.encodeTo(os);
    return os;
  }

  XmlWriter::ScopedElement::ScopedElement(XmlWriter *writer, XmlFormatting fmt)
      : m_writer(writer)
      , m_fmt(fmt) {
  }

  XmlWriter::ScopedElement::ScopedElement(ScopedElement &&other) noexcept
      : m_writer(other.m_writer)
      , m_fmt(other.m_fmt) {
    other.m_writer = nullptr;
    other.m_fmt = XmlFormatting::None;
  }
  XmlWriter::ScopedElement &XmlWriter::ScopedElement::operator=(ScopedElement &&other) noexcept {
    if (m_writer) {
      m_writer->endElement();
    }
    m_writer = other.m_writer;
    other.m_writer = nullptr;
    m_fmt = other.m_fmt;
    other.m_fmt = XmlFormatting::None;
    return *this;
  }

  XmlWriter::ScopedElement::~ScopedElement() {
    if (m_writer) {
      m_writer->endElement(m_fmt);
    }
  }

  XmlWriter::ScopedElement &XmlWriter::ScopedElement::writeText(std::string const &text, XmlFormatting fmt) {
    m_writer->writeText(text, fmt);
    return *this;
  }

  XmlWriter::XmlWriter(std::ostream &os)
      : m_os(os) {
    writeDeclaration();
  }

  XmlWriter::~XmlWriter() {
    while (!m_tags.empty()) {
      endElement();
    }
    newlineIfNecessary();
  }

  XmlWriter &XmlWriter::startElement(std::string const &name, XmlFormatting fmt) {
    ensureTagClosed();
    newlineIfNecessary();
    if (shouldIndent(fmt)) {
      m_os << m_indent;
      m_indent += "  ";
    }
    m_os << '<' << name;
    m_tags.push_back(name);
    m_tagIsOpen = true;
    applyFormatting(fmt);
    return *this;
  }

  XmlWriter::ScopedElement XmlWriter::scopedElement(std::string const &name, XmlFormatting fmt) {
    ScopedElement scoped(this, fmt);
    startElement(name, fmt);
    return scoped;
  }

  XmlWriter &XmlWriter::endElement(XmlFormatting fmt) {
    m_indent = m_indent.substr(0, m_indent.size() - 2);

    if (m_tagIsOpen) {
      m_os << "/>";
      m_tagIsOpen = false;
    } else {
      newlineIfNecessary();
      if (shouldIndent(fmt)) {
        m_os << m_indent;
      }
      m_os << "</" << m_tags.back() << ">";
    }
    m_os << std::flush;
    applyFormatting(fmt);
    m_tags.pop_back();
    return *this;
  }

  XmlWriter &XmlWriter::writeAttribute(std::string const &name, std::string const &attribute) {
    if (!name.empty() && !attribute.empty())
      m_os << ' ' << name << "=\"" << XmlEncode(attribute, XmlEncode::ForAttributes) << '"';
    return *this;
  }

  XmlWriter &XmlWriter::writeAttribute(std::string const &name, bool attribute) {
    m_os << ' ' << name << "=\"" << (attribute ? "true" : "false") << '"';
    return *this;
  }

  XmlWriter &XmlWriter::writeText(std::string const &text, XmlFormatting fmt) {
    if (!text.empty()) {
      bool tagWasOpen = m_tagIsOpen;
      ensureTagClosed();
      if (tagWasOpen && shouldIndent(fmt)) {
        m_os << m_indent;
      }
      m_os << XmlEncode(text);
      applyFormatting(fmt);
    }
    return *this;
  }

  XmlWriter &XmlWriter::writeComment(std::string const &text, XmlFormatting fmt) {
    ensureTagClosed();
    if (shouldIndent(fmt)) {
      m_os << m_indent;
    }
    m_os << "<!--" << text << "-->";
    applyFormatting(fmt);
    return *this;
  }

  void XmlWriter::writeStylesheetRef(std::string const &url) {
    m_os << "<?xml-stylesheet type=\"text/xsl\" href=\"" << url << "\"?>\n";
  }

  XmlWriter &XmlWriter::writeBlankLine() {
    ensureTagClosed();
    m_os << '\n';
    return *this;
  }

  void XmlWriter::ensureTagClosed() {
    if (m_tagIsOpen) {
      m_os << '>' << std::flush;
      newlineIfNecessary();
      m_tagIsOpen = false;
    }
  }

  void XmlWriter::applyFormatting(XmlFormatting fmt) {
    m_needsNewline = shouldNewline(fmt);
  }

  void XmlWriter::writeDeclaration() {
    m_os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
  }

  void XmlWriter::newlineIfNecessary() {
    if (m_needsNewline) {
      m_os << std::endl;
      m_needsNewline = false;
    }
  }
} // namespace Catch
// end catch_xmlwriter.cpp
// start catch_reporter_bases.cpp

#include <cassert>
#include <cfloat>
#include <cstdio>
#include <cstring>
#include <memory>

namespace Catch {
  void prepareExpandedExpression(AssertionResult &result) {
    result.getExpandedExpression();
  }

  // Because formatting using c++ streams is stateful, drop down to C is required
  // Alternatively we could use stringstream, but its performance is... not good.
  std::string getFormattedDuration(double duration) {
    // Max exponent + 1 is required to represent the whole part
    // + 1 for decimal point
    // + 3 for the 3 decimal places
    // + 1 for null terminator
    const std::size_t maxDoubleSize = DBL_MAX_10_EXP + 1 + 1 + 3 + 1;
    char buffer[maxDoubleSize];

    // Save previous errno, to prevent sprintf from overwriting it
    ErrnoGuard guard;
#ifdef _MSC_VER
    sprintf_s(buffer, "%.3f", duration);
#else
    std::sprintf(buffer, "%.3f", duration);
#endif
    return std::string(buffer);
  }

  bool shouldShowDuration(IConfig const &config, double duration) {
    if (config.showDurations() == ShowDurations::Always) {
      return true;
    }
    if (config.showDurations() == ShowDurations::Never) {
      return false;
    }
    const double min = config.minDuration();
    return min >= 0 && duration >= min;
  }

  std::string serializeFilters(std::vector<std::string> const &container) {
    ReusableStringStream oss;
    bool first = true;
    for (auto &&filter : container) {
      if (!first)
        oss << ' ';
      else
        first = false;

      oss << filter;
    }
    return oss.str();
  }

  TestEventListenerBase::TestEventListenerBase(ReporterConfig const &_config)
      : StreamingReporterBase(_config) {
  }

  std::set<Verbosity> TestEventListenerBase::getSupportedVerbosities() {
    return {Verbosity::Quiet, Verbosity::Normal, Verbosity::High};
  }

  void TestEventListenerBase::assertionStarting(AssertionInfo const &) {}

  bool TestEventListenerBase::assertionEnded(AssertionStats const &) {
    return false;
  }

} // end namespace Catch
// end catch_reporter_bases.cpp
// start catch_reporter_compact.cpp

namespace {
#ifdef CATCH_PLATFORM_MAC
  const char *failedString() {
    return "FAILED";
  }
  const char *passedString() {
    return "PASSED";
  }
#else
  const char *failedString() {
    return "failed";
  }
  const char *passedString() {
    return "passed";
  }
#endif

  // Colour::LightGrey
  Catch::Colour::Code dimColour() {
    return Catch::Colour::FileName;
  }

  std::string bothOrAll(std::size_t count) {
    return count == 1 ? std::string() : count == 2 ? "both "
                                                   : "all ";
  }

} // namespace

namespace Catch {
  namespace {
    // Colour, message variants:
    // - white: No tests ran.
    // -   red: Failed [both/all] N test cases, failed [both/all] M assertions.
    // - white: Passed [both/all] N test cases (no assertions).
    // -   red: Failed N tests cases, failed M assertions.
    // - green: Passed [both/all] N tests cases with M assertions.
    void printTotals(std::ostream &out, const Totals &totals) {
      if (totals.testCases.total() == 0) {
        out << "No tests ran.";
      } else if (totals.testCases.failed == totals.testCases.total()) {
        Colour colour(Colour::ResultError);
        const std::string qualify_assertions_failed
            = totals.assertions.failed == totals.assertions.total() ? bothOrAll(totals.assertions.failed) : std::string();
        out << "Failed " << bothOrAll(totals.testCases.failed) << pluralise(totals.testCases.failed, "test case")
            << ", "
               "failed "
            << qualify_assertions_failed << pluralise(totals.assertions.failed, "assertion") << '.';
      } else if (totals.assertions.total() == 0) {
        out << "Passed " << bothOrAll(totals.testCases.total()) << pluralise(totals.testCases.total(), "test case") << " (no assertions).";
      } else if (totals.assertions.failed) {
        Colour colour(Colour::ResultError);
        out << "Failed " << pluralise(totals.testCases.failed, "test case")
            << ", "
               "failed "
            << pluralise(totals.assertions.failed, "assertion") << '.';
      } else {
        Colour colour(Colour::ResultSuccess);
        out << "Passed " << bothOrAll(totals.testCases.passed) << pluralise(totals.testCases.passed, "test case") << " with "
            << pluralise(totals.assertions.passed, "assertion") << '.';
      }
    }

    // Implementation of CompactReporter formatting
    class AssertionPrinter {
    public:
      AssertionPrinter &operator=(AssertionPrinter const &) = delete;
      AssertionPrinter(AssertionPrinter const &) = delete;
      AssertionPrinter(std::ostream &_stream, AssertionStats const &_stats, bool _printInfoMessages)
          : stream(_stream)
          , result(_stats.assertionResult)
          , messages(_stats.infoMessages)
          , itMessage(_stats.infoMessages.begin())
          , printInfoMessages(_printInfoMessages) {
      }

      void print() {
        printSourceInfo();

        itMessage = messages.begin();

        switch (result.getResultType()) {
          case ResultWas::Ok:
            printResultType(Colour::ResultSuccess, passedString());
            printOriginalExpression();
            printReconstructedExpression();
            if (!result.hasExpression())
              printRemainingMessages(Colour::None);
            else
              printRemainingMessages();
            break;
          case ResultWas::ExpressionFailed:
            if (result.isOk())
              printResultType(Colour::ResultSuccess, failedString() + std::string(" - but was ok"));
            else
              printResultType(Colour::Error, failedString());
            printOriginalExpression();
            printReconstructedExpression();
            printRemainingMessages();
            break;
          case ResultWas::ThrewException:
            printResultType(Colour::Error, failedString());
            printIssue("unexpected exception with message:");
            printMessage();
            printExpressionWas();
            printRemainingMessages();
            break;
          case ResultWas::FatalErrorCondition:
            printResultType(Colour::Error, failedString());
            printIssue("fatal error condition with message:");
            printMessage();
            printExpressionWas();
            printRemainingMessages();
            break;
          case ResultWas::DidntThrowException:
            printResultType(Colour::Error, failedString());
            printIssue("expected exception, got none");
            printExpressionWas();
            printRemainingMessages();
            break;
          case ResultWas::Info:
            printResultType(Colour::None, "info");
            printMessage();
            printRemainingMessages();
            break;
          case ResultWas::Warning:
            printResultType(Colour::None, "warning");
            printMessage();
            printRemainingMessages();
            break;
          case ResultWas::ExplicitFailure:
            printResultType(Colour::Error, failedString());
            printIssue("explicitly");
            printRemainingMessages(Colour::None);
            break;
          // These cases are here to prevent compiler warnings
          case ResultWas::Unknown:
          case ResultWas::FailureBit:
          case ResultWas::Exception:
            printResultType(Colour::Error, "** internal error **");
            break;
        }
      }

    private:
      void printSourceInfo() const {
        Colour colourGuard(Colour::FileName);
        stream << result.getSourceInfo() << ':';
      }

      void printResultType(Colour::Code colour, std::string const &passOrFail) const {
        if (!passOrFail.empty()) {
          {
            Colour colourGuard(colour);
            stream << ' ' << passOrFail;
          }
          stream << ':';
        }
      }

      void printIssue(std::string const &issue) const { stream << ' ' << issue; }

      void printExpressionWas() {
        if (result.hasExpression()) {
          stream << ';';
          {
            Colour colour(dimColour());
            stream << " expression was:";
          }
          printOriginalExpression();
        }
      }

      void printOriginalExpression() const {
        if (result.hasExpression()) {
          stream << ' ' << result.getExpression();
        }
      }

      void printReconstructedExpression() const {
        if (result.hasExpandedExpression()) {
          {
            Colour colour(dimColour());
            stream << " for: ";
          }
          stream << result.getExpandedExpression();
        }
      }

      void printMessage() {
        if (itMessage != messages.end()) {
          stream << " '" << itMessage->message << '\'';
          ++itMessage;
        }
      }

      void printRemainingMessages(Colour::Code colour = dimColour()) {
        if (itMessage == messages.end())
          return;

        const auto itEnd = messages.cend();
        const auto N = static_cast<std::size_t>(std::distance(itMessage, itEnd));

        {
          Colour colourGuard(colour);
          stream << " with " << pluralise(N, "message") << ':';
        }

        while (itMessage != itEnd) {
          // If this assertion is a warning ignore any INFO messages
          if (printInfoMessages || itMessage->type != ResultWas::Info) {
            printMessage();
            if (itMessage != itEnd) {
              Colour colourGuard(dimColour());
              stream << " and";
            }
            continue;
          }
          ++itMessage;
        }
      }

    private:
      std::ostream &stream;
      AssertionResult const &result;
      std::vector<MessageInfo> messages;
      std::vector<MessageInfo>::const_iterator itMessage;
      bool printInfoMessages;
    };

  } // namespace

  std::string CompactReporter::getDescription() {
    return "Reports test results on a single line, suitable for IDEs";
  }

  void CompactReporter::noMatchingTestCases(std::string const &spec) {
    stream << "No test cases matched '" << spec << '\'' << std::endl;
  }

  void CompactReporter::assertionStarting(AssertionInfo const &) {}

  bool CompactReporter::assertionEnded(AssertionStats const &_assertionStats) {
    AssertionResult const &result = _assertionStats.assertionResult;

    bool printInfoMessages = true;

    // Drop out if result was successful and we're not printing those
    if (!m_config->includeSuccessfulResults() && result.isOk()) {
      if (result.getResultType() != ResultWas::Warning)
        return false;
      printInfoMessages = false;
    }

    AssertionPrinter printer(stream, _assertionStats, printInfoMessages);
    printer.print();

    stream << std::endl;
    return true;
  }

  void CompactReporter::sectionEnded(SectionStats const &_sectionStats) {
    double dur = _sectionStats.durationInSeconds;
    if (shouldShowDuration(*m_config, dur)) {
      stream << getFormattedDuration(dur) << " s: " << _sectionStats.sectionInfo.name << std::endl;
    }
  }

  void CompactReporter::testRunEnded(TestRunStats const &_testRunStats) {
    printTotals(stream, _testRunStats.totals);
    stream << '\n'
           << std::endl;
    StreamingReporterBase::testRunEnded(_testRunStats);
  }

  CompactReporter::~CompactReporter() {}

  CATCH_REGISTER_REPORTER("compact", CompactReporter)

} // end namespace Catch
// end catch_reporter_compact.cpp
// start catch_reporter_console.cpp

#include <cfloat>
#include <cstdio>

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4061) // Not all labels are EXPLICITLY handled in switch \
  // Note that 4062 (not all labels are handled and default is missing) is enabled
#endif

#if defined(__clang__)
#pragma clang diagnostic push
// For simplicity, benchmarking-only helpers are always enabled
#pragma clang diagnostic ignored "-Wunused-function"
#endif

namespace Catch {
  namespace {
    // Formatter impl for ConsoleReporter
    class ConsoleAssertionPrinter {
    public:
      ConsoleAssertionPrinter &operator=(ConsoleAssertionPrinter const &) = delete;
      ConsoleAssertionPrinter(ConsoleAssertionPrinter const &) = delete;
      ConsoleAssertionPrinter(std::ostream &_stream, AssertionStats const &_stats, bool _printInfoMessages)
          : stream(_stream)
          , stats(_stats)
          , result(_stats.assertionResult)
          , colour(Colour::None)
          , message(result.getMessage())
          , messages(_stats.infoMessages)
          , printInfoMessages(_printInfoMessages) {
        switch (result.getResultType()) {
          case ResultWas::Ok:
            colour = Colour::Success;
            passOrFail = "PASSED";
            // if( result.hasMessage() )
            if (_stats.infoMessages.size() == 1)
              messageLabel = "with message";
            if (_stats.infoMessages.size() > 1)
              messageLabel = "with messages";
            break;
          case ResultWas::ExpressionFailed:
            if (result.isOk()) {
              colour = Colour::Success;
              passOrFail = "FAILED - but was ok";
            } else {
              colour = Colour::Error;
              passOrFail = "FAILED";
            }
            if (_stats.infoMessages.size() == 1)
              messageLabel = "with message";
            if (_stats.infoMessages.size() > 1)
              messageLabel = "with messages";
            break;
          case ResultWas::ThrewException:
            colour = Colour::Error;
            passOrFail = "FAILED";
            messageLabel = "due to unexpected exception with ";
            if (_stats.infoMessages.size() == 1)
              messageLabel += "message";
            if (_stats.infoMessages.size() > 1)
              messageLabel += "messages";
            break;
          case ResultWas::FatalErrorCondition:
            colour = Colour::Error;
            passOrFail = "FAILED";
            messageLabel = "due to a fatal error condition";
            break;
          case ResultWas::DidntThrowException:
            colour = Colour::Error;
            passOrFail = "FAILED";
            messageLabel = "because no exception was thrown where one was expected";
            break;
          case ResultWas::Info:
            messageLabel = "info";
            break;
          case ResultWas::Warning:
            messageLabel = "warning";
            break;
          case ResultWas::ExplicitFailure:
            passOrFail = "FAILED";
            colour = Colour::Error;
            if (_stats.infoMessages.size() == 1)
              messageLabel = "explicitly with message";
            if (_stats.infoMessages.size() > 1)
              messageLabel = "explicitly with messages";
            break;
          // These cases are here to prevent compiler warnings
          case ResultWas::Unknown:
          case ResultWas::FailureBit:
          case ResultWas::Exception:
            passOrFail = "** internal error **";
            colour = Colour::Error;
            break;
        }
      }

      void print() const {
        printSourceInfo();
        if (stats.totals.assertions.total() > 0) {
          printResultType();
          printOriginalExpression();
          printReconstructedExpression();
        } else {
          stream << '\n';
        }
        printMessage();
      }

    private:
      void printResultType() const {
        if (!passOrFail.empty()) {
          Colour colourGuard(colour);
          stream << passOrFail << ":\n";
        }
      }
      void printOriginalExpression() const {
        if (result.hasExpression()) {
          Colour colourGuard(Colour::OriginalExpression);
          stream << "  ";
          stream << result.getExpressionInMacro();
          stream << '\n';
        }
      }
      void printReconstructedExpression() const {
        if (result.hasExpandedExpression()) {
          stream << "with expansion:\n";
          Colour colourGuard(Colour::ReconstructedExpression);
          stream << Column(result.getExpandedExpression()).indent(2) << '\n';
        }
      }
      void printMessage() const {
        if (!messageLabel.empty())
          stream << messageLabel << ':' << '\n';
        for (auto const &msg : messages) {
          // If this assertion is a warning ignore any INFO messages
          if (printInfoMessages || msg.type != ResultWas::Info)
            stream << Column(msg.message).indent(2) << '\n';
        }
      }
      void printSourceInfo() const {
        Colour colourGuard(Colour::FileName);
        stream << result.getSourceInfo() << ": ";
      }

      std::ostream &stream;
      AssertionStats const &stats;
      AssertionResult const &result;
      Colour::Code colour;
      std::string passOrFail;
      std::string messageLabel;
      std::string message;
      std::vector<MessageInfo> messages;
      bool printInfoMessages;
    };

    std::size_t makeRatio(std::size_t number, std::size_t total) {
      std::size_t ratio = total > 0 ? CATCH_CONFIG_CONSOLE_WIDTH * number / total : 0;
      return (ratio == 0 && number > 0) ? 1 : ratio;
    }

    std::size_t &findMax(std::size_t &i, std::size_t &j, std::size_t &k) {
      if (i > j && i > k)
        return i;
      else if (j > k)
        return j;
      else
        return k;
    }

    struct ColumnInfo {
      enum Justification {
        Left,
        Right
      };
      std::string name;
      int width;
      Justification justification;
    };
    struct ColumnBreak {
    };
    struct RowBreak {
    };

    class Duration {
      enum class Unit {
        Auto,
        Nanoseconds,
        Microseconds,
        Milliseconds,
        Seconds,
        Minutes
      };
      static const uint64_t s_nanosecondsInAMicrosecond = 1000;
      static const uint64_t s_nanosecondsInAMillisecond = 1000 * s_nanosecondsInAMicrosecond;
      static const uint64_t s_nanosecondsInASecond = 1000 * s_nanosecondsInAMillisecond;
      static const uint64_t s_nanosecondsInAMinute = 60 * s_nanosecondsInASecond;

      double m_inNanoseconds;
      Unit m_units;

    public:
      explicit Duration(double inNanoseconds, Unit units = Unit::Auto)
          : m_inNanoseconds(inNanoseconds)
          , m_units(units) {
        if (m_units == Unit::Auto) {
          if (m_inNanoseconds < s_nanosecondsInAMicrosecond)
            m_units = Unit::Nanoseconds;
          else if (m_inNanoseconds < s_nanosecondsInAMillisecond)
            m_units = Unit::Microseconds;
          else if (m_inNanoseconds < s_nanosecondsInASecond)
            m_units = Unit::Milliseconds;
          else if (m_inNanoseconds < s_nanosecondsInAMinute)
            m_units = Unit::Seconds;
          else
            m_units = Unit::Minutes;
        }
      }

      auto value() const -> double {
        switch (m_units) {
          case Unit::Microseconds:
            return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMicrosecond);
          case Unit::Milliseconds:
            return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMillisecond);
          case Unit::Seconds:
            return m_inNanoseconds / static_cast<double>(s_nanosecondsInASecond);
          case Unit::Minutes:
            return m_inNanoseconds / static_cast<double>(s_nanosecondsInAMinute);
          default:
            return m_inNanoseconds;
        }
      }
      auto unitsAsString() const -> std::string {
        switch (m_units) {
          case Unit::Nanoseconds:
            return "ns";
          case Unit::Microseconds:
            return "us";
          case Unit::Milliseconds:
            return "ms";
          case Unit::Seconds:
            return "s";
          case Unit::Minutes:
            return "m";
          default:
            return "** internal error **";
        }
      }
      friend auto operator<<(std::ostream &os, Duration const &duration) -> std::ostream & {
        return os << duration.value() << ' ' << duration.unitsAsString();
      }
    };
  } // namespace

  class TablePrinter {
    std::ostream &m_os;
    std::vector<ColumnInfo> m_columnInfos;
    std::ostringstream m_oss;
    int m_currentColumn = -1;
    bool m_isOpen = false;

  public:
    TablePrinter(std::ostream &os, std::vector<ColumnInfo> columnInfos)
        : m_os(os)
        , m_columnInfos(std::move(columnInfos)) {
    }

    auto columnInfos() const -> std::vector<ColumnInfo> const & { return m_columnInfos; }

    void open() {
      if (!m_isOpen) {
        m_isOpen = true;
        *this << RowBreak();

        Columns headerCols;
        Spacer spacer(2);
        for (auto const &info : m_columnInfos) {
          headerCols += Column(info.name).width(static_cast<std::size_t>(info.width - 2));
          headerCols += spacer;
        }
        m_os << headerCols << '\n';

        m_os << Catch::getLineOfChars<'-'>() << '\n';
      }
    }
    void close() {
      if (m_isOpen) {
        *this << RowBreak();
        m_os << std::endl;
        m_isOpen = false;
      }
    }

    template<typename T>
    friend TablePrinter &operator<<(TablePrinter &tp, T const &value) {
      tp.m_oss << value;
      return tp;
    }

    friend TablePrinter &operator<<(TablePrinter &tp, ColumnBreak) {
      auto colStr = tp.m_oss.str();
      const auto strSize = colStr.size();
      tp.m_oss.str("");
      tp.open();
      if (tp.m_currentColumn == static_cast<int>(tp.m_columnInfos.size() - 1)) {
        tp.m_currentColumn = -1;
        tp.m_os << '\n';
      }
      tp.m_currentColumn++;

      auto colInfo = tp.m_columnInfos[tp.m_currentColumn];
      auto padding
          = (strSize + 1 < static_cast<std::size_t>(colInfo.width)) ? std::string(colInfo.width - (strSize + 1), ' ') : std::string();
      if (colInfo.justification == ColumnInfo::Left)
        tp.m_os << colStr << padding << ' ';
      else
        tp.m_os << padding << colStr << ' ';
      return tp;
    }

    friend TablePrinter &operator<<(TablePrinter &tp, RowBreak) {
      if (tp.m_currentColumn > 0) {
        tp.m_os << '\n';
        tp.m_currentColumn = -1;
      }
      return tp;
    }
  };

  ConsoleReporter::ConsoleReporter(ReporterConfig const &config)
      : StreamingReporterBase(config)
      , m_tablePrinter(new TablePrinter(config.stream(), [&config]() -> std::vector<ColumnInfo> {
        if (config.fullConfig()->benchmarkNoAnalysis()) {
          return {{"benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 43, ColumnInfo::Left},
                  {"     samples", 14, ColumnInfo::Right},
                  {"  iterations", 14, ColumnInfo::Right},
                  {"        mean", 14, ColumnInfo::Right}};
        } else {
          return {{"benchmark name", CATCH_CONFIG_CONSOLE_WIDTH - 43, ColumnInfo::Left},
                  {"samples      mean       std dev", 14, ColumnInfo::Right},
                  {"iterations   low mean   low std dev", 14, ColumnInfo::Right},
                  {"estimated    high mean  high std dev", 14, ColumnInfo::Right}};
        }
      }())) {
  }
  ConsoleReporter::~ConsoleReporter() = default;

  std::string ConsoleReporter::getDescription() {
    return "Reports test results as plain lines of text";
  }

  void ConsoleReporter::noMatchingTestCases(std::string const &spec) {
    stream << "No test cases matched '" << spec << '\'' << std::endl;
  }

  void ConsoleReporter::reportInvalidArguments(std::string const &arg) {
    stream << "Invalid Filter: " << arg << std::endl;
  }

  void ConsoleReporter::assertionStarting(AssertionInfo const &) {}

  bool ConsoleReporter::assertionEnded(AssertionStats const &_assertionStats) {
    AssertionResult const &result = _assertionStats.assertionResult;

    bool includeResults = m_config->includeSuccessfulResults() || !result.isOk();

    // Drop out if result was successful but we're not printing them.
    if (!includeResults && result.getResultType() != ResultWas::Warning)
      return false;

    lazyPrint();

    ConsoleAssertionPrinter printer(stream, _assertionStats, includeResults);
    printer.print();
    stream << std::endl;
    return true;
  }

  void ConsoleReporter::sectionStarting(SectionInfo const &_sectionInfo) {
    m_tablePrinter->close();
    m_headerPrinted = false;
    StreamingReporterBase::sectionStarting(_sectionInfo);
  }
  void ConsoleReporter::sectionEnded(SectionStats const &_sectionStats) {
    m_tablePrinter->close();
    if (_sectionStats.missingAssertions) {
      lazyPrint();
      Colour colour(Colour::ResultError);
      if (m_sectionStack.size() > 1)
        stream << "\nNo assertions in section";
      else
        stream << "\nNo assertions in test case";
      stream << " '" << _sectionStats.sectionInfo.name << "'\n"
             << std::endl;
    }
    double dur = _sectionStats.durationInSeconds;
    if (shouldShowDuration(*m_config, dur)) {
      stream << getFormattedDuration(dur) << " s: " << _sectionStats.sectionInfo.name << std::endl;
    }
    if (m_headerPrinted) {
      m_headerPrinted = false;
    }
    StreamingReporterBase::sectionEnded(_sectionStats);
  }

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  void ConsoleReporter::benchmarkPreparing(std::string const &name) {
    lazyPrintWithoutClosingBenchmarkTable();

    auto nameCol = Column(name).width(static_cast<std::size_t>(m_tablePrinter->columnInfos()[0].width - 2));

    bool firstLine = true;
    for (auto line : nameCol) {
      if (!firstLine)
        (*m_tablePrinter) << ColumnBreak() << ColumnBreak() << ColumnBreak();
      else
        firstLine = false;

      (*m_tablePrinter) << line << ColumnBreak();
    }
  }

  void ConsoleReporter::benchmarkStarting(BenchmarkInfo const &info) {
    (*m_tablePrinter) << info.samples << ColumnBreak() << info.iterations << ColumnBreak();
    if (!m_config->benchmarkNoAnalysis())
      (*m_tablePrinter) << Duration(info.estimatedDuration) << ColumnBreak();
  }
  void ConsoleReporter::benchmarkEnded(BenchmarkStats<> const &stats) {
    if (m_config->benchmarkNoAnalysis()) {
      (*m_tablePrinter) << Duration(stats.mean.point.count()) << ColumnBreak();
    } else {
      (*m_tablePrinter) << ColumnBreak() << Duration(stats.mean.point.count()) << ColumnBreak()
                        << Duration(stats.mean.lower_bound.count()) << ColumnBreak() << Duration(stats.mean.upper_bound.count())
                        << ColumnBreak() << ColumnBreak() << Duration(stats.standardDeviation.point.count()) << ColumnBreak()
                        << Duration(stats.standardDeviation.lower_bound.count()) << ColumnBreak()
                        << Duration(stats.standardDeviation.upper_bound.count()) << ColumnBreak() << ColumnBreak() << ColumnBreak()
                        << ColumnBreak() << ColumnBreak();
    }
  }

  void ConsoleReporter::benchmarkFailed(std::string const &error) {
    Colour colour(Colour::Red);
    (*m_tablePrinter) << "Benchmark failed (" << error << ')' << ColumnBreak() << RowBreak();
  }
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

  void ConsoleReporter::testCaseEnded(TestCaseStats const &_testCaseStats) {
    m_tablePrinter->close();
    StreamingReporterBase::testCaseEnded(_testCaseStats);
    m_headerPrinted = false;
  }
  void ConsoleReporter::testGroupEnded(TestGroupStats const &_testGroupStats) {
    if (currentGroupInfo.used) {
      printSummaryDivider();
      stream << "Summary for group '" << _testGroupStats.groupInfo.name << "':\n";
      printTotals(_testGroupStats.totals);
      stream << '\n'
             << std::endl;
    }
    StreamingReporterBase::testGroupEnded(_testGroupStats);
  }
  void ConsoleReporter::testRunEnded(TestRunStats const &_testRunStats) {
    printTotalsDivider(_testRunStats.totals);
    printTotals(_testRunStats.totals);
    stream << std::endl;
    StreamingReporterBase::testRunEnded(_testRunStats);
  }
  void ConsoleReporter::testRunStarting(TestRunInfo const &_testInfo) {
    StreamingReporterBase::testRunStarting(_testInfo);
    printTestFilters();
  }

  void ConsoleReporter::lazyPrint() {
    m_tablePrinter->close();
    lazyPrintWithoutClosingBenchmarkTable();
  }

  void ConsoleReporter::lazyPrintWithoutClosingBenchmarkTable() {
    if (!currentTestRunInfo.used)
      lazyPrintRunInfo();
    if (!currentGroupInfo.used)
      lazyPrintGroupInfo();

    if (!m_headerPrinted) {
      printTestCaseAndSectionHeader();
      m_headerPrinted = true;
    }
  }
  void ConsoleReporter::lazyPrintRunInfo() {
    stream << '\n'
           << getLineOfChars<'~'>() << '\n';
    Colour colour(Colour::SecondaryText);
    stream << currentTestRunInfo->name << " is a Catch v" << libraryVersion() << " host application.\n"
           << "Run with -? for options\n\n";

    if (m_config->rngSeed() != 0)
      stream << "Randomness seeded to: " << m_config->rngSeed() << "\n\n";

    currentTestRunInfo.used = true;
  }
  void ConsoleReporter::lazyPrintGroupInfo() {
    if (!currentGroupInfo->name.empty() && currentGroupInfo->groupsCounts > 1) {
      printClosedHeader("Group: " + currentGroupInfo->name);
      currentGroupInfo.used = true;
    }
  }
  void ConsoleReporter::printTestCaseAndSectionHeader() {
    assert(!m_sectionStack.empty());
    printOpenHeader(currentTestCaseInfo->name);

    if (m_sectionStack.size() > 1) {
      Colour colourGuard(Colour::Headers);

      auto it = m_sectionStack.begin() + 1, // Skip first section (test case)
          itEnd = m_sectionStack.end();
      for (; it != itEnd; ++it)
        printHeaderString(it->name, 2);
    }

    SourceLineInfo lineInfo = m_sectionStack.back().lineInfo;

    stream << getLineOfChars<'-'>() << '\n';
    Colour colourGuard(Colour::FileName);
    stream << lineInfo << '\n';
    stream << getLineOfChars<'.'>() << '\n'
           << std::endl;
  }

  void ConsoleReporter::printClosedHeader(std::string const &_name) {
    printOpenHeader(_name);
    stream << getLineOfChars<'.'>() << '\n';
  }
  void ConsoleReporter::printOpenHeader(std::string const &_name) {
    stream << getLineOfChars<'-'>() << '\n';
    {
      Colour colourGuard(Colour::Headers);
      printHeaderString(_name);
    }
  }

  // if string has a : in first line will set indent to follow it on
  // subsequent lines
  void ConsoleReporter::printHeaderString(std::string const &_string, std::size_t indent) {
    std::size_t i = _string.find(": ");
    if (i != std::string::npos)
      i += 2;
    else
      i = 0;
    stream << Column(_string).indent(indent + i).initialIndent(indent) << '\n';
  }

  struct SummaryColumn {
    SummaryColumn(std::string _label, Colour::Code _colour)
        : label(std::move(_label))
        , colour(_colour) {
    }
    SummaryColumn addRow(std::size_t count) {
      ReusableStringStream rss;
      rss << count;
      std::string row = rss.str();
      for (auto &oldRow : rows) {
        while (oldRow.size() < row.size())
          oldRow = ' ' + oldRow;
        while (oldRow.size() > row.size())
          row = ' ' + row;
      }
      rows.push_back(row);
      return *this;
    }

    std::string label;
    Colour::Code colour;
    std::vector<std::string> rows;
  };

  void ConsoleReporter::printTotals(Totals const &totals) {
    if (totals.testCases.total() == 0) {
      stream << Colour(Colour::Warning) << "No tests ran\n";
    } else if (totals.assertions.total() > 0 && totals.testCases.allPassed()) {
      stream << Colour(Colour::ResultSuccess) << "All tests passed";
      stream << " (" << pluralise(totals.assertions.passed, "assertion") << " in " << pluralise(totals.testCases.passed, "test case")
             << ')' << '\n';
    } else {
      std::vector<SummaryColumn> columns;
      columns.push_back(SummaryColumn("", Colour::None).addRow(totals.testCases.total()).addRow(totals.assertions.total()));
      columns.push_back(SummaryColumn("passed", Colour::Success).addRow(totals.testCases.passed).addRow(totals.assertions.passed));
      columns.push_back(SummaryColumn("failed", Colour::ResultError).addRow(totals.testCases.failed).addRow(totals.assertions.failed));
      columns.push_back(SummaryColumn("failed as expected", Colour::ResultExpectedFailure)
                            .addRow(totals.testCases.failedButOk)
                            .addRow(totals.assertions.failedButOk));

      printSummaryRow("test cases", columns, 0);
      printSummaryRow("assertions", columns, 1);
    }
  }
  void ConsoleReporter::printSummaryRow(std::string const &label, std::vector<SummaryColumn> const &cols, std::size_t row) {
    for (auto col : cols) {
      std::string value = col.rows[row];
      if (col.label.empty()) {
        stream << label << ": ";
        if (value != "0")
          stream << value;
        else
          stream << Colour(Colour::Warning) << "- none -";
      } else if (value != "0") {
        stream << Colour(Colour::LightGrey) << " | ";
        stream << Colour(col.colour) << value << ' ' << col.label;
      }
    }
    stream << '\n';
  }

  void ConsoleReporter::printTotalsDivider(Totals const &totals) {
    if (totals.testCases.total() > 0) {
      std::size_t failedRatio = makeRatio(totals.testCases.failed, totals.testCases.total());
      std::size_t failedButOkRatio = makeRatio(totals.testCases.failedButOk, totals.testCases.total());
      std::size_t passedRatio = makeRatio(totals.testCases.passed, totals.testCases.total());
      while (failedRatio + failedButOkRatio + passedRatio < CATCH_CONFIG_CONSOLE_WIDTH - 1)
        findMax(failedRatio, failedButOkRatio, passedRatio)++;
      while (failedRatio + failedButOkRatio + passedRatio > CATCH_CONFIG_CONSOLE_WIDTH - 1)
        findMax(failedRatio, failedButOkRatio, passedRatio)--;

      stream << Colour(Colour::Error) << std::string(failedRatio, '=');
      stream << Colour(Colour::ResultExpectedFailure) << std::string(failedButOkRatio, '=');
      if (totals.testCases.allPassed())
        stream << Colour(Colour::ResultSuccess) << std::string(passedRatio, '=');
      else
        stream << Colour(Colour::Success) << std::string(passedRatio, '=');
    } else {
      stream << Colour(Colour::Warning) << std::string(CATCH_CONFIG_CONSOLE_WIDTH - 1, '=');
    }
    stream << '\n';
  }
  void ConsoleReporter::printSummaryDivider() {
    stream << getLineOfChars<'-'>() << '\n';
  }

  void ConsoleReporter::printTestFilters() {
    if (m_config->testSpec().hasFilters()) {
      Colour guard(Colour::BrightYellow);
      stream << "Filters: " << serializeFilters(m_config->getTestsOrTags()) << '\n';
    }
  }

  CATCH_REGISTER_REPORTER("console", ConsoleReporter)

} // end namespace Catch

#if defined(_MSC_VER)
#pragma warning(pop)
#endif

#if defined(__clang__)
#pragma clang diagnostic pop
#endif
// end catch_reporter_console.cpp
// start catch_reporter_junit.cpp

#include <algorithm>
#include <cassert>
#include <ctime>
#include <sstream>

namespace Catch {
  namespace {
    std::string getCurrentTimestamp() {
      // Beware, this is not reentrant because of backward compatibility issues
      // Also, UTC only, again because of backward compatibility (%z is C++11)
      time_t rawtime;
      std::time(&rawtime);
      auto const timeStampSize = sizeof("2017-01-16T17:06:45Z");

#ifdef _MSC_VER
      std::tm timeInfo = {};
      gmtime_s(&timeInfo, &rawtime);
#else
      std::tm *timeInfo;
      timeInfo = std::gmtime(&rawtime);
#endif

      char timeStamp[timeStampSize];
      const char *const fmt = "%Y-%m-%dT%H:%M:%SZ";

#ifdef _MSC_VER
      std::strftime(timeStamp, timeStampSize, fmt, &timeInfo);
#else
      std::strftime(timeStamp, timeStampSize, fmt, timeInfo);
#endif
      return std::string(timeStamp);
    }

    std::string fileNameTag(const std::vector<std::string> &tags) {
      auto it = std::find_if(begin(tags), end(tags), [](std::string const &tag) { return tag.front() == '#'; });
      if (it != tags.end())
        return it->substr(1);
      return std::string();
    }
  } // anonymous namespace

  JunitReporter::JunitReporter(ReporterConfig const &_config)
      : CumulativeReporterBase(_config)
      , xml(_config.stream()) {
    m_reporterPrefs.shouldRedirectStdOut = true;
    m_reporterPrefs.shouldReportAllAssertions = true;
  }

  JunitReporter::~JunitReporter() {}

  std::string JunitReporter::getDescription() {
    return "Reports test results in an XML format that looks like Ant's junitreport target";
  }

  void JunitReporter::noMatchingTestCases(std::string const & /*spec*/) {}

  void JunitReporter::testRunStarting(TestRunInfo const &runInfo) {
    CumulativeReporterBase::testRunStarting(runInfo);
    xml.startElement("testsuites");
  }

  void JunitReporter::testGroupStarting(GroupInfo const &groupInfo) {
    suiteTimer.start();
    stdOutForSuite.clear();
    stdErrForSuite.clear();
    unexpectedExceptions = 0;
    CumulativeReporterBase::testGroupStarting(groupInfo);
  }

  void JunitReporter::testCaseStarting(TestCaseInfo const &testCaseInfo) {
    m_okToFail = testCaseInfo.okToFail();
  }

  bool JunitReporter::assertionEnded(AssertionStats const &assertionStats) {
    if (assertionStats.assertionResult.getResultType() == ResultWas::ThrewException && !m_okToFail)
      unexpectedExceptions++;
    return CumulativeReporterBase::assertionEnded(assertionStats);
  }

  void JunitReporter::testCaseEnded(TestCaseStats const &testCaseStats) {
    stdOutForSuite += testCaseStats.stdOut;
    stdErrForSuite += testCaseStats.stdErr;
    CumulativeReporterBase::testCaseEnded(testCaseStats);
  }

  void JunitReporter::testGroupEnded(TestGroupStats const &testGroupStats) {
    double suiteTime = suiteTimer.getElapsedSeconds();
    CumulativeReporterBase::testGroupEnded(testGroupStats);
    writeGroup(*m_testGroups.back(), suiteTime);
  }

  void JunitReporter::testRunEndedCumulative() {
    xml.endElement();
  }

  void JunitReporter::writeGroup(TestGroupNode const &groupNode, double suiteTime) {
    XmlWriter::ScopedElement e = xml.scopedElement("testsuite");

    TestGroupStats const &stats = groupNode.value;
    xml.writeAttribute("name", stats.groupInfo.name);
    xml.writeAttribute("errors", unexpectedExceptions);
    xml.writeAttribute("failures", stats.totals.assertions.failed - unexpectedExceptions);
    xml.writeAttribute("tests", stats.totals.assertions.total());
    xml.writeAttribute("hostname", "tbd"); // !TBD
    if (m_config->showDurations() == ShowDurations::Never)
      xml.writeAttribute("time", "");
    else
      xml.writeAttribute("time", suiteTime);
    xml.writeAttribute("timestamp", getCurrentTimestamp());

    // Write properties if there are any
    if (m_config->hasTestFilters() || m_config->rngSeed() != 0) {
      auto properties = xml.scopedElement("properties");
      if (m_config->hasTestFilters()) {
        xml.scopedElement("property").writeAttribute("name", "filters").writeAttribute("value", serializeFilters(m_config->getTestsOrTags()));
      }
      if (m_config->rngSeed() != 0) {
        xml.scopedElement("property").writeAttribute("name", "random-seed").writeAttribute("value", m_config->rngSeed());
      }
    }

    // Write test cases
    for (auto const &child : groupNode.children)
      writeTestCase(*child);

    xml.scopedElement("system-out").writeText(trim(stdOutForSuite), XmlFormatting::Newline);
    xml.scopedElement("system-err").writeText(trim(stdErrForSuite), XmlFormatting::Newline);
  }

  void JunitReporter::writeTestCase(TestCaseNode const &testCaseNode) {
    TestCaseStats const &stats = testCaseNode.value;

    // All test cases have exactly one section - which represents the
    // test case itself. That section may have 0-n nested sections
    assert(testCaseNode.children.size() == 1);
    SectionNode const &rootSection = *testCaseNode.children.front();

    std::string className = stats.testInfo.className;

    if (className.empty()) {
      className = fileNameTag(stats.testInfo.tags);
      if (className.empty())
        className = "global";
    }

    if (!m_config->name().empty())
      className = m_config->name() + "." + className;

    writeSection(className, "", rootSection);
  }

  void JunitReporter::writeSection(std::string const &className, std::string const &rootName, SectionNode const &sectionNode) {
    std::string name = trim(sectionNode.stats.sectionInfo.name);
    if (!rootName.empty())
      name = rootName + '/' + name;

    if (!sectionNode.assertions.empty() || !sectionNode.stdOut.empty() || !sectionNode.stdErr.empty()) {
      XmlWriter::ScopedElement e = xml.scopedElement("testcase");
      if (className.empty()) {
        xml.writeAttribute("classname", name);
        xml.writeAttribute("name", "root");
      } else {
        xml.writeAttribute("classname", className);
        xml.writeAttribute("name", name);
      }
      xml.writeAttribute("time", ::Catch::Detail::stringify(sectionNode.stats.durationInSeconds));
      // This is not ideal, but it should be enough to mimic gtest's
      // junit output.
      // Ideally the JUnit reporter would also handle `skipTest`
      // events and write those out appropriately.
      xml.writeAttribute("status", "run");

      writeAssertions(sectionNode);

      if (!sectionNode.stdOut.empty())
        xml.scopedElement("system-out").writeText(trim(sectionNode.stdOut), XmlFormatting::Newline);
      if (!sectionNode.stdErr.empty())
        xml.scopedElement("system-err").writeText(trim(sectionNode.stdErr), XmlFormatting::Newline);
    }
    for (auto const &childNode : sectionNode.childSections)
      if (className.empty())
        writeSection(name, "", *childNode);
      else
        writeSection(className, name, *childNode);
  }

  void JunitReporter::writeAssertions(SectionNode const &sectionNode) {
    for (auto const &assertion : sectionNode.assertions)
      writeAssertion(assertion);
  }

  void JunitReporter::writeAssertion(AssertionStats const &stats) {
    AssertionResult const &result = stats.assertionResult;
    if (!result.isOk()) {
      std::string elementName;
      switch (result.getResultType()) {
        case ResultWas::ThrewException:
        case ResultWas::FatalErrorCondition:
          elementName = "error";
          break;
        case ResultWas::ExplicitFailure:
        case ResultWas::ExpressionFailed:
        case ResultWas::DidntThrowException:
          elementName = "failure";
          break;

        // We should never see these here:
        case ResultWas::Info:
        case ResultWas::Warning:
        case ResultWas::Ok:
        case ResultWas::Unknown:
        case ResultWas::FailureBit:
        case ResultWas::Exception:
          elementName = "internalError";
          break;
      }

      XmlWriter::ScopedElement e = xml.scopedElement(elementName);

      xml.writeAttribute("message", result.getExpression());
      xml.writeAttribute("type", result.getTestMacroName());

      ReusableStringStream rss;
      if (stats.totals.assertions.total() > 0) {
        rss << "FAILED"
            << ":\n";
        if (result.hasExpression()) {
          rss << "  ";
          rss << result.getExpressionInMacro();
          rss << '\n';
        }
        if (result.hasExpandedExpression()) {
          rss << "with expansion:\n";
          rss << Column(result.getExpandedExpression()).indent(2) << '\n';
        }
      } else {
        rss << '\n';
      }

      if (!result.getMessage().empty())
        rss << result.getMessage() << '\n';
      for (auto const &msg : stats.infoMessages)
        if (msg.type == ResultWas::Info)
          rss << msg.message << '\n';

      rss << "at " << result.getSourceInfo();
      xml.writeText(rss.str(), XmlFormatting::Newline);
    }
  }

  CATCH_REGISTER_REPORTER("junit", JunitReporter)

} // end namespace Catch
// end catch_reporter_junit.cpp
// start catch_reporter_listening.cpp

#include <cassert>

namespace Catch {
  ListeningReporter::ListeningReporter() {
    // We will assume that listeners will always want all assertions
    m_preferences.shouldReportAllAssertions = true;
  }

  void ListeningReporter::addListener(IStreamingReporterPtr &&listener) {
    m_listeners.push_back(std::move(listener));
  }

  void ListeningReporter::addReporter(IStreamingReporterPtr &&reporter) {
    assert(!m_reporter && "Listening reporter can wrap only 1 real reporter");
    m_reporter = std::move(reporter);
    m_preferences.shouldRedirectStdOut = m_reporter->getPreferences().shouldRedirectStdOut;
  }

  ReporterPreferences ListeningReporter::getPreferences() const {
    return m_preferences;
  }

  std::set<Verbosity> ListeningReporter::getSupportedVerbosities() {
    return std::set<Verbosity>{};
  }

  void ListeningReporter::noMatchingTestCases(std::string const &spec) {
    for (auto const &listener : m_listeners) {
      listener->noMatchingTestCases(spec);
    }
    m_reporter->noMatchingTestCases(spec);
  }

  void ListeningReporter::reportInvalidArguments(std::string const &arg) {
    for (auto const &listener : m_listeners) {
      listener->reportInvalidArguments(arg);
    }
    m_reporter->reportInvalidArguments(arg);
  }

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  void ListeningReporter::benchmarkPreparing(std::string const &name) {
    for (auto const &listener : m_listeners) {
      listener->benchmarkPreparing(name);
    }
    m_reporter->benchmarkPreparing(name);
  }
  void ListeningReporter::benchmarkStarting(BenchmarkInfo const &benchmarkInfo) {
    for (auto const &listener : m_listeners) {
      listener->benchmarkStarting(benchmarkInfo);
    }
    m_reporter->benchmarkStarting(benchmarkInfo);
  }
  void ListeningReporter::benchmarkEnded(BenchmarkStats<> const &benchmarkStats) {
    for (auto const &listener : m_listeners) {
      listener->benchmarkEnded(benchmarkStats);
    }
    m_reporter->benchmarkEnded(benchmarkStats);
  }

  void ListeningReporter::benchmarkFailed(std::string const &error) {
    for (auto const &listener : m_listeners) {
      listener->benchmarkFailed(error);
    }
    m_reporter->benchmarkFailed(error);
  }
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

  void ListeningReporter::testRunStarting(TestRunInfo const &testRunInfo) {
    for (auto const &listener : m_listeners) {
      listener->testRunStarting(testRunInfo);
    }
    m_reporter->testRunStarting(testRunInfo);
  }

  void ListeningReporter::testGroupStarting(GroupInfo const &groupInfo) {
    for (auto const &listener : m_listeners) {
      listener->testGroupStarting(groupInfo);
    }
    m_reporter->testGroupStarting(groupInfo);
  }

  void ListeningReporter::testCaseStarting(TestCaseInfo const &testInfo) {
    for (auto const &listener : m_listeners) {
      listener->testCaseStarting(testInfo);
    }
    m_reporter->testCaseStarting(testInfo);
  }

  void ListeningReporter::sectionStarting(SectionInfo const &sectionInfo) {
    for (auto const &listener : m_listeners) {
      listener->sectionStarting(sectionInfo);
    }
    m_reporter->sectionStarting(sectionInfo);
  }

  void ListeningReporter::assertionStarting(AssertionInfo const &assertionInfo) {
    for (auto const &listener : m_listeners) {
      listener->assertionStarting(assertionInfo);
    }
    m_reporter->assertionStarting(assertionInfo);
  }

  // The return value indicates if the messages buffer should be cleared:
  bool ListeningReporter::assertionEnded(AssertionStats const &assertionStats) {
    for (auto const &listener : m_listeners) {
      static_cast<void>(listener->assertionEnded(assertionStats));
    }
    return m_reporter->assertionEnded(assertionStats);
  }

  void ListeningReporter::sectionEnded(SectionStats const &sectionStats) {
    for (auto const &listener : m_listeners) {
      listener->sectionEnded(sectionStats);
    }
    m_reporter->sectionEnded(sectionStats);
  }

  void ListeningReporter::testCaseEnded(TestCaseStats const &testCaseStats) {
    for (auto const &listener : m_listeners) {
      listener->testCaseEnded(testCaseStats);
    }
    m_reporter->testCaseEnded(testCaseStats);
  }

  void ListeningReporter::testGroupEnded(TestGroupStats const &testGroupStats) {
    for (auto const &listener : m_listeners) {
      listener->testGroupEnded(testGroupStats);
    }
    m_reporter->testGroupEnded(testGroupStats);
  }

  void ListeningReporter::testRunEnded(TestRunStats const &testRunStats) {
    for (auto const &listener : m_listeners) {
      listener->testRunEnded(testRunStats);
    }
    m_reporter->testRunEnded(testRunStats);
  }

  void ListeningReporter::skipTest(TestCaseInfo const &testInfo) {
    for (auto const &listener : m_listeners) {
      listener->skipTest(testInfo);
    }
    m_reporter->skipTest(testInfo);
  }

  bool ListeningReporter::isMulti() const {
    return true;
  }

} // end namespace Catch
// end catch_reporter_listening.cpp
// start catch_reporter_xml.cpp

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4061) // Not all labels are EXPLICITLY handled in switch \
  // Note that 4062 (not all labels are handled                                   \
  // and default is missing) is enabled
#endif

namespace Catch {
  XmlReporter::XmlReporter(ReporterConfig const &_config)
      : StreamingReporterBase(_config)
      , m_xml(_config.stream()) {
    m_reporterPrefs.shouldRedirectStdOut = true;
    m_reporterPrefs.shouldReportAllAssertions = true;
  }

  XmlReporter::~XmlReporter() = default;

  std::string XmlReporter::getDescription() {
    return "Reports test results as an XML document";
  }

  std::string XmlReporter::getStylesheetRef() const {
    return std::string();
  }

  void XmlReporter::writeSourceInfo(SourceLineInfo const &sourceInfo) {
    m_xml.writeAttribute("filename", sourceInfo.file).writeAttribute("line", sourceInfo.line);
  }

  void XmlReporter::noMatchingTestCases(std::string const &s) {
    StreamingReporterBase::noMatchingTestCases(s);
  }

  void XmlReporter::testRunStarting(TestRunInfo const &testInfo) {
    StreamingReporterBase::testRunStarting(testInfo);
    std::string stylesheetRef = getStylesheetRef();
    if (!stylesheetRef.empty())
      m_xml.writeStylesheetRef(stylesheetRef);
    m_xml.startElement("Catch");
    if (!m_config->name().empty())
      m_xml.writeAttribute("name", m_config->name());
    if (m_config->testSpec().hasFilters())
      m_xml.writeAttribute("filters", serializeFilters(m_config->getTestsOrTags()));
    if (m_config->rngSeed() != 0)
      m_xml.scopedElement("Randomness").writeAttribute("seed", m_config->rngSeed());
  }

  void XmlReporter::testGroupStarting(GroupInfo const &groupInfo) {
    StreamingReporterBase::testGroupStarting(groupInfo);
    m_xml.startElement("Group").writeAttribute("name", groupInfo.name);
  }

  void XmlReporter::testCaseStarting(TestCaseInfo const &testInfo) {
    StreamingReporterBase::testCaseStarting(testInfo);
    m_xml.startElement("TestCase")
        .writeAttribute("name", trim(testInfo.name))
        .writeAttribute("description", testInfo.description)
        .writeAttribute("tags", testInfo.tagsAsString());

    writeSourceInfo(testInfo.lineInfo);

    if (m_config->showDurations() == ShowDurations::Always)
      m_testCaseTimer.start();
    m_xml.ensureTagClosed();
  }

  void XmlReporter::sectionStarting(SectionInfo const &sectionInfo) {
    StreamingReporterBase::sectionStarting(sectionInfo);
    if (m_sectionDepth++ > 0) {
      m_xml.startElement("Section").writeAttribute("name", trim(sectionInfo.name));
      writeSourceInfo(sectionInfo.lineInfo);
      m_xml.ensureTagClosed();
    }
  }

  void XmlReporter::assertionStarting(AssertionInfo const &) {}

  bool XmlReporter::assertionEnded(AssertionStats const &assertionStats) {
    AssertionResult const &result = assertionStats.assertionResult;

    bool includeResults = m_config->includeSuccessfulResults() || !result.isOk();

    if (includeResults || result.getResultType() == ResultWas::Warning) {
      // Print any info messages in <Info> tags.
      for (auto const &msg : assertionStats.infoMessages) {
        if (msg.type == ResultWas::Info && includeResults) {
          m_xml.scopedElement("Info").writeText(msg.message);
        } else if (msg.type == ResultWas::Warning) {
          m_xml.scopedElement("Warning").writeText(msg.message);
        }
      }
    }

    // Drop out if result was successful but we're not printing them.
    if (!includeResults && result.getResultType() != ResultWas::Warning)
      return true;

    // Print the expression if there is one.
    if (result.hasExpression()) {
      m_xml.startElement("Expression").writeAttribute("success", result.succeeded()).writeAttribute("type", result.getTestMacroName());

      writeSourceInfo(result.getSourceInfo());

      m_xml.scopedElement("Original").writeText(result.getExpression());
      m_xml.scopedElement("Expanded").writeText(result.getExpandedExpression());
    }

    // And... Print a result applicable to each result type.
    switch (result.getResultType()) {
      case ResultWas::ThrewException:
        m_xml.startElement("Exception");
        writeSourceInfo(result.getSourceInfo());
        m_xml.writeText(result.getMessage());
        m_xml.endElement();
        break;
      case ResultWas::FatalErrorCondition:
        m_xml.startElement("FatalErrorCondition");
        writeSourceInfo(result.getSourceInfo());
        m_xml.writeText(result.getMessage());
        m_xml.endElement();
        break;
      case ResultWas::Info:
        m_xml.scopedElement("Info").writeText(result.getMessage());
        break;
      case ResultWas::Warning:
        // Warning will already have been written
        break;
      case ResultWas::ExplicitFailure:
        m_xml.startElement("Failure");
        writeSourceInfo(result.getSourceInfo());
        m_xml.writeText(result.getMessage());
        m_xml.endElement();
        break;
      default:
        break;
    }

    if (result.hasExpression())
      m_xml.endElement();

    return true;
  }

  void XmlReporter::sectionEnded(SectionStats const &sectionStats) {
    StreamingReporterBase::sectionEnded(sectionStats);
    if (--m_sectionDepth > 0) {
      XmlWriter::ScopedElement e = m_xml.scopedElement("OverallResults");
      e.writeAttribute("successes", sectionStats.assertions.passed);
      e.writeAttribute("failures", sectionStats.assertions.failed);
      e.writeAttribute("expectedFailures", sectionStats.assertions.failedButOk);

      if (m_config->showDurations() == ShowDurations::Always)
        e.writeAttribute("durationInSeconds", sectionStats.durationInSeconds);

      m_xml.endElement();
    }
  }

  void XmlReporter::testCaseEnded(TestCaseStats const &testCaseStats) {
    StreamingReporterBase::testCaseEnded(testCaseStats);
    XmlWriter::ScopedElement e = m_xml.scopedElement("OverallResult");
    e.writeAttribute("success", testCaseStats.totals.assertions.allOk());

    if (m_config->showDurations() == ShowDurations::Always)
      e.writeAttribute("durationInSeconds", m_testCaseTimer.getElapsedSeconds());

    if (!testCaseStats.stdOut.empty())
      m_xml.scopedElement("StdOut").writeText(trim(testCaseStats.stdOut), XmlFormatting::Newline);
    if (!testCaseStats.stdErr.empty())
      m_xml.scopedElement("StdErr").writeText(trim(testCaseStats.stdErr), XmlFormatting::Newline);

    m_xml.endElement();
  }

  void XmlReporter::testGroupEnded(TestGroupStats const &testGroupStats) {
    StreamingReporterBase::testGroupEnded(testGroupStats);
    // TODO: Check testGroupStats.aborting and act accordingly.
    m_xml.scopedElement("OverallResults")
        .writeAttribute("successes", testGroupStats.totals.assertions.passed)
        .writeAttribute("failures", testGroupStats.totals.assertions.failed)
        .writeAttribute("expectedFailures", testGroupStats.totals.assertions.failedButOk);
    m_xml.scopedElement("OverallResultsCases")
        .writeAttribute("successes", testGroupStats.totals.testCases.passed)
        .writeAttribute("failures", testGroupStats.totals.testCases.failed)
        .writeAttribute("expectedFailures", testGroupStats.totals.testCases.failedButOk);
    m_xml.endElement();
  }

  void XmlReporter::testRunEnded(TestRunStats const &testRunStats) {
    StreamingReporterBase::testRunEnded(testRunStats);
    m_xml.scopedElement("OverallResults")
        .writeAttribute("successes", testRunStats.totals.assertions.passed)
        .writeAttribute("failures", testRunStats.totals.assertions.failed)
        .writeAttribute("expectedFailures", testRunStats.totals.assertions.failedButOk);
    m_xml.scopedElement("OverallResultsCases")
        .writeAttribute("successes", testRunStats.totals.testCases.passed)
        .writeAttribute("failures", testRunStats.totals.testCases.failed)
        .writeAttribute("expectedFailures", testRunStats.totals.testCases.failedButOk);
    m_xml.endElement();
  }

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
  void XmlReporter::benchmarkPreparing(std::string const &name) {
    m_xml.startElement("BenchmarkResults").writeAttribute("name", name);
  }

  void XmlReporter::benchmarkStarting(BenchmarkInfo const &info) {
    m_xml.writeAttribute("samples", info.samples)
        .writeAttribute("resamples", info.resamples)
        .writeAttribute("iterations", info.iterations)
        .writeAttribute("clockResolution", info.clockResolution)
        .writeAttribute("estimatedDuration", info.estimatedDuration)
        .writeComment("All values in nano seconds");
  }

  void XmlReporter::benchmarkEnded(BenchmarkStats<> const &benchmarkStats) {
    m_xml.startElement("mean")
        .writeAttribute("value", benchmarkStats.mean.point.count())
        .writeAttribute("lowerBound", benchmarkStats.mean.lower_bound.count())
        .writeAttribute("upperBound", benchmarkStats.mean.upper_bound.count())
        .writeAttribute("ci", benchmarkStats.mean.confidence_interval);
    m_xml.endElement();
    m_xml.startElement("standardDeviation")
        .writeAttribute("value", benchmarkStats.standardDeviation.point.count())
        .writeAttribute("lowerBound", benchmarkStats.standardDeviation.lower_bound.count())
        .writeAttribute("upperBound", benchmarkStats.standardDeviation.upper_bound.count())
        .writeAttribute("ci", benchmarkStats.standardDeviation.confidence_interval);
    m_xml.endElement();
    m_xml.startElement("outliers")
        .writeAttribute("variance", benchmarkStats.outlierVariance)
        .writeAttribute("lowMild", benchmarkStats.outliers.low_mild)
        .writeAttribute("lowSevere", benchmarkStats.outliers.low_severe)
        .writeAttribute("highMild", benchmarkStats.outliers.high_mild)
        .writeAttribute("highSevere", benchmarkStats.outliers.high_severe);
    m_xml.endElement();
    m_xml.endElement();
  }

  void XmlReporter::benchmarkFailed(std::string const &error) {
    m_xml.scopedElement("failed").writeAttribute("message", error);
    m_xml.endElement();
  }
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

  CATCH_REGISTER_REPORTER("xml", XmlReporter)

} // end namespace Catch

#if defined(_MSC_VER)
#pragma warning(pop)
#endif
// end catch_reporter_xml.cpp

namespace Catch {
  LeakDetector leakDetector;
}

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_impl.hpp
#endif

#ifdef CATCH_CONFIG_MAIN
// start catch_default_main.hpp

#ifndef __OBJC__

#if defined(CATCH_CONFIG_WCHAR) && defined(CATCH_PLATFORM_WINDOWS) && defined(_UNICODE) && !defined(DO_NOT_USE_WMAIN)
// Standard C/C++ Win32 Unicode wmain entry point
extern "C" int wmain(int argc, wchar_t *argv[], wchar_t *[]) {
#else
// Standard C/C++ main entry point
int main(int argc, char *argv[]) {
#endif

  return Catch::Session().run(argc, argv);
}

#else // __OBJC__

// Objective-C entry point
int main(int argc, char *const argv[]) {
#if !CATCH_ARC_ENABLED
  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
#endif

  Catch::registerTestMethods();
  int result = Catch::Session().run(argc, (char **)argv);

#if !CATCH_ARC_ENABLED
  [pool drain];
#endif

  return result;
}

#endif // __OBJC__

// end catch_default_main.hpp
#endif

#if !defined(CATCH_CONFIG_IMPL_ONLY)

#ifdef CLARA_CONFIG_MAIN_NOT_DEFINED
#undef CLARA_CONFIG_MAIN
#endif

#if !defined(CATCH_CONFIG_DISABLE)
//////
// If this config identifier is defined then all CATCH macros are prefixed with CATCH_
#ifdef CATCH_CONFIG_PREFIX_ALL

#define CATCH_REQUIRE(...) INTERNAL_CATCH_TEST("CATCH_REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__)
#define CATCH_REQUIRE_FALSE(...) \
  INTERNAL_CATCH_TEST("CATCH_REQUIRE_FALSE", Catch::ResultDisposition::Normal | Catch::ResultDisposition::FalseTest, __VA_ARGS__)

#define CATCH_REQUIRE_THROWS(...) INTERNAL_CATCH_THROWS("CATCH_REQUIRE_THROWS", Catch::ResultDisposition::Normal, __VA_ARGS__)
#define CATCH_REQUIRE_THROWS_AS(expr, exceptionType) \
  INTERNAL_CATCH_THROWS_AS("CATCH_REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr)
#define CATCH_REQUIRE_THROWS_WITH(expr, matcher) \
  INTERNAL_CATCH_THROWS_STR_MATCHES("CATCH_REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_REQUIRE_THROWS_MATCHES(expr, exceptionType, matcher) \
  INTERNAL_CATCH_THROWS_MATCHES("CATCH_REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_REQUIRE_NOTHROW(...) \
  INTERNAL_CATCH_NO_THROW("CATCH_REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__)

#define CATCH_CHECK(...) INTERNAL_CATCH_TEST("CATCH_CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CATCH_CHECK_FALSE(...)                                                                           \
  INTERNAL_CATCH_TEST("CATCH_CHECK_FALSE",                                                               \
                      Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::FalseTest, \
                      __VA_ARGS__)
#define CATCH_CHECKED_IF(...) INTERNAL_CATCH_IF("CATCH_CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CATCH_CHECKED_ELSE(...) \
  INTERNAL_CATCH_ELSE("CATCH_CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CATCH_CHECK_NOFAIL(...)                                                                             \
  INTERNAL_CATCH_TEST("CATCH_CHECK_NOFAIL",                                                                 \
                      Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::SuppressFail, \
                      __VA_ARGS__)

#define CATCH_CHECK_THROWS(...) \
  INTERNAL_CATCH_THROWS("CATCH_CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CATCH_CHECK_THROWS_AS(expr, exceptionType) \
  INTERNAL_CATCH_THROWS_AS("CATCH_CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr)
#define CATCH_CHECK_THROWS_WITH(expr, matcher) \
  INTERNAL_CATCH_THROWS_STR_MATCHES("CATCH_CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THROWS_MATCHES(expr, exceptionType, matcher)             \
  INTERNAL_CATCH_THROWS_MATCHES("CATCH_CHECK_THROWS_MATCHES",                \
                                exceptionType,                               \
                                Catch::ResultDisposition::ContinueOnFailure, \
                                matcher,                                     \
                                expr)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_CHECK_NOTHROW(...) \
  INTERNAL_CATCH_NO_THROW("CATCH_CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THAT(arg, matcher) \
  INTERNAL_CHECK_THAT("CATCH_CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg)

#define CATCH_REQUIRE_THAT(arg, matcher) \
  INTERNAL_CHECK_THAT("CATCH_REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg)
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define CATCH_INFO(msg) INTERNAL_CATCH_INFO("CATCH_INFO", msg)
#define CATCH_UNSCOPED_INFO(msg) INTERNAL_CATCH_UNSCOPED_INFO("CATCH_UNSCOPED_INFO", msg)
#define CATCH_WARN(msg) \
  INTERNAL_CATCH_MSG("CATCH_WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg)
#define CATCH_CAPTURE(...) INTERNAL_CATCH_CAPTURE(INTERNAL_CATCH_UNIQUE_NAME(capturer), "CATCH_CAPTURE", __VA_ARGS__)

#define CATCH_TEST_CASE(...) INTERNAL_CATCH_TESTCASE(__VA_ARGS__)
#define CATCH_TEST_CASE_METHOD(className, ...) INTERNAL_CATCH_TEST_CASE_METHOD(className, __VA_ARGS__)
#define CATCH_METHOD_AS_TEST_CASE(method, ...) INTERNAL_CATCH_METHOD_AS_TEST_CASE(method, __VA_ARGS__)
#define CATCH_REGISTER_TEST_CASE(Function, ...) INTERNAL_CATCH_REGISTER_TESTCASE(Function, __VA_ARGS__)
#define CATCH_SECTION(...) INTERNAL_CATCH_SECTION(__VA_ARGS__)
#define CATCH_DYNAMIC_SECTION(...) INTERNAL_CATCH_DYNAMIC_SECTION(__VA_ARGS__)
#define CATCH_FAIL(...) \
  INTERNAL_CATCH_MSG("CATCH_FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__)
#define CATCH_FAIL_CHECK(...) \
  INTERNAL_CATCH_MSG("CATCH_FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CATCH_SUCCEED(...) \
  INTERNAL_CATCH_MSG("CATCH_SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)

#define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define CATCH_TEMPLATE_TEST_CASE(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__)
#define CATCH_TEMPLATE_TEST_CASE_SIG(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(__VA_ARGS__)
#define CATCH_TEMPLATE_TEST_CASE_METHOD(className, ...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, __VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE(...) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(__VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(...) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(__VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, __VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, __VA_ARGS__)
#else
#define CATCH_TEMPLATE_TEST_CASE(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__))
#define CATCH_TEMPLATE_TEST_CASE_SIG(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(__VA_ARGS__))
#define CATCH_TEMPLATE_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__))
#define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, __VA_ARGS__))
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE(...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(__VA_ARGS__))
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(__VA_ARGS__))
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, __VA_ARGS__))
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, __VA_ARGS__))
#endif

#if !defined(CATCH_CONFIG_RUNTIME_STATIC_REQUIRE)
#define CATCH_STATIC_REQUIRE(...)           \
  static_assert(__VA_ARGS__, #__VA_ARGS__); \
  CATCH_SUCCEED(#__VA_ARGS__)
#define CATCH_STATIC_REQUIRE_FALSE(...)                 \
  static_assert(!(__VA_ARGS__), "!(" #__VA_ARGS__ ")"); \
  CATCH_SUCCEED(#__VA_ARGS__)
#else
#define CATCH_STATIC_REQUIRE(...) CATCH_REQUIRE(__VA_ARGS__)
#define CATCH_STATIC_REQUIRE_FALSE(...) CATCH_REQUIRE_FALSE(__VA_ARGS__)
#endif

// "BDD-style" convenience wrappers
#define CATCH_SCENARIO(...) CATCH_TEST_CASE("Scenario: " __VA_ARGS__)
#define CATCH_SCENARIO_METHOD(className, ...) INTERNAL_CATCH_TEST_CASE_METHOD(className, "Scenario: " __VA_ARGS__)
#define CATCH_GIVEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("    Given: " << desc)
#define CATCH_AND_GIVEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("And given: " << desc)
#define CATCH_WHEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("     When: " << desc)
#define CATCH_AND_WHEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION(" And when: " << desc)
#define CATCH_THEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("     Then: " << desc)
#define CATCH_AND_THEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("      And: " << desc)

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
#define CATCH_BENCHMARK(...)                                                           \
  INTERNAL_CATCH_BENCHMARK(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), \
                           INTERNAL_CATCH_GET_1_ARG(__VA_ARGS__, , ),                  \
                           INTERNAL_CATCH_GET_2_ARG(__VA_ARGS__, , ))
#define CATCH_BENCHMARK_ADVANCED(name) \
  INTERNAL_CATCH_BENCHMARK_ADVANCED(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), name)
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

// If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
#else

#define REQUIRE(...) INTERNAL_CATCH_TEST("REQUIRE", Catch::ResultDisposition::Normal, __VA_ARGS__)
#define REQUIRE_FALSE(...) \
  INTERNAL_CATCH_TEST("REQUIRE_FALSE", Catch::ResultDisposition::Normal | Catch::ResultDisposition::FalseTest, __VA_ARGS__)

#define REQUIRE_THROWS(...) INTERNAL_CATCH_THROWS("REQUIRE_THROWS", Catch::ResultDisposition::Normal, __VA_ARGS__)
#define REQUIRE_THROWS_AS(expr, exceptionType) \
  INTERNAL_CATCH_THROWS_AS("REQUIRE_THROWS_AS", exceptionType, Catch::ResultDisposition::Normal, expr)
#define REQUIRE_THROWS_WITH(expr, matcher) \
  INTERNAL_CATCH_THROWS_STR_MATCHES("REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define REQUIRE_THROWS_MATCHES(expr, exceptionType, matcher) \
  INTERNAL_CATCH_THROWS_MATCHES("REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define REQUIRE_NOTHROW(...) INTERNAL_CATCH_NO_THROW("REQUIRE_NOTHROW", Catch::ResultDisposition::Normal, __VA_ARGS__)

#define CHECK(...) INTERNAL_CATCH_TEST("CHECK", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CHECK_FALSE(...) \
  INTERNAL_CATCH_TEST("CHECK_FALSE", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::FalseTest, __VA_ARGS__)
#define CHECKED_IF(...) INTERNAL_CATCH_IF("CHECKED_IF", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CHECKED_ELSE(...) INTERNAL_CATCH_ELSE("CHECKED_ELSE", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CHECK_NOFAIL(...) \
  INTERNAL_CATCH_TEST("CHECK_NOFAIL", Catch::ResultDisposition::ContinueOnFailure | Catch::ResultDisposition::SuppressFail, __VA_ARGS__)

#define CHECK_THROWS(...) INTERNAL_CATCH_THROWS("CHECK_THROWS", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define CHECK_THROWS_AS(expr, exceptionType) \
  INTERNAL_CATCH_THROWS_AS("CHECK_THROWS_AS", exceptionType, Catch::ResultDisposition::ContinueOnFailure, expr)
#define CHECK_THROWS_WITH(expr, matcher) \
  INTERNAL_CATCH_THROWS_STR_MATCHES("CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THROWS_MATCHES(expr, exceptionType, matcher) \
  INTERNAL_CATCH_THROWS_MATCHES("CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CHECK_NOTHROW(...) INTERNAL_CATCH_NO_THROW("CHECK_NOTHROW", Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THAT(arg, matcher) \
  INTERNAL_CHECK_THAT("CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg)

#define REQUIRE_THAT(arg, matcher) INTERNAL_CHECK_THAT("REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg)
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define INFO(msg) INTERNAL_CATCH_INFO("INFO", msg)
#define UNSCOPED_INFO(msg) INTERNAL_CATCH_UNSCOPED_INFO("UNSCOPED_INFO", msg)
#define WARN(msg) INTERNAL_CATCH_MSG("WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg)
#define CAPTURE(...) INTERNAL_CATCH_CAPTURE(INTERNAL_CATCH_UNIQUE_NAME(capturer), "CAPTURE", __VA_ARGS__)

#define TEST_CASE(...) INTERNAL_CATCH_TESTCASE(__VA_ARGS__)
#define TEST_CASE_METHOD(className, ...) INTERNAL_CATCH_TEST_CASE_METHOD(className, __VA_ARGS__)
#define METHOD_AS_TEST_CASE(method, ...) INTERNAL_CATCH_METHOD_AS_TEST_CASE(method, __VA_ARGS__)
#define REGISTER_TEST_CASE(Function, ...) INTERNAL_CATCH_REGISTER_TESTCASE(Function, __VA_ARGS__)
#define SECTION(...) INTERNAL_CATCH_SECTION(__VA_ARGS__)
#define DYNAMIC_SECTION(...) INTERNAL_CATCH_DYNAMIC_SECTION(__VA_ARGS__)
#define FAIL(...) INTERNAL_CATCH_MSG("FAIL", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::Normal, __VA_ARGS__)
#define FAIL_CHECK(...) \
  INTERNAL_CATCH_MSG("FAIL_CHECK", Catch::ResultWas::ExplicitFailure, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define SUCCEED(...) \
  INTERNAL_CATCH_MSG("SUCCEED", Catch::ResultWas::Ok, Catch::ResultDisposition::ContinueOnFailure, __VA_ARGS__)
#define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE()

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define TEMPLATE_TEST_CASE(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__)
#define TEMPLATE_TEST_CASE_SIG(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(__VA_ARGS__)
#define TEMPLATE_TEST_CASE_METHOD(className, ...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#define TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, __VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE(...) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(__VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_SIG(...) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(__VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, __VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, __VA_ARGS__)
#define TEMPLATE_LIST_TEST_CASE(...) INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE(__VA_ARGS__)
#define TEMPLATE_LIST_TEST_CASE_METHOD(className, ...) INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD(className, __VA_ARGS__)
#else
#define TEMPLATE_TEST_CASE(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__))
#define TEMPLATE_TEST_CASE_SIG(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(__VA_ARGS__))
#define TEMPLATE_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__))
#define TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, __VA_ARGS__))
#define TEMPLATE_PRODUCT_TEST_CASE(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(__VA_ARGS__))
#define TEMPLATE_PRODUCT_TEST_CASE_SIG(...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(__VA_ARGS__))
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, __VA_ARGS__))
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, __VA_ARGS__))
#define TEMPLATE_LIST_TEST_CASE(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE(__VA_ARGS__))
#define TEMPLATE_LIST_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD(className, __VA_ARGS__))
#endif

#if !defined(CATCH_CONFIG_RUNTIME_STATIC_REQUIRE)
#define STATIC_REQUIRE(...)                 \
  static_assert(__VA_ARGS__, #__VA_ARGS__); \
  SUCCEED(#__VA_ARGS__)
#define STATIC_REQUIRE_FALSE(...)                       \
  static_assert(!(__VA_ARGS__), "!(" #__VA_ARGS__ ")"); \
  SUCCEED("!(" #__VA_ARGS__ ")")
#else
#define STATIC_REQUIRE(...) REQUIRE(__VA_ARGS__)
#define STATIC_REQUIRE_FALSE(...) REQUIRE_FALSE(__VA_ARGS__)
#endif

#endif

#define CATCH_TRANSLATE_EXCEPTION(signature) INTERNAL_CATCH_TRANSLATE_EXCEPTION(signature)

// "BDD-style" convenience wrappers
#define SCENARIO(...) TEST_CASE("Scenario: " __VA_ARGS__)
#define SCENARIO_METHOD(className, ...) INTERNAL_CATCH_TEST_CASE_METHOD(className, "Scenario: " __VA_ARGS__)

#define GIVEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("    Given: " << desc)
#define AND_GIVEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("And given: " << desc)
#define WHEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("     When: " << desc)
#define AND_WHEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION(" And when: " << desc)
#define THEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("     Then: " << desc)
#define AND_THEN(desc) INTERNAL_CATCH_DYNAMIC_SECTION("      And: " << desc)

#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
#define BENCHMARK(...)                                                                 \
  INTERNAL_CATCH_BENCHMARK(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), \
                           INTERNAL_CATCH_GET_1_ARG(__VA_ARGS__, , ),                  \
                           INTERNAL_CATCH_GET_2_ARG(__VA_ARGS__, , ))
#define BENCHMARK_ADVANCED(name) \
  INTERNAL_CATCH_BENCHMARK_ADVANCED(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____B_E_N_C_H____), name)
#endif // CATCH_CONFIG_ENABLE_BENCHMARKING

using Catch::Detail::Approx;

#else // CATCH_CONFIG_DISABLE

//////
// If this config identifier is defined then all CATCH macros are prefixed with CATCH_
#ifdef CATCH_CONFIG_PREFIX_ALL

#define CATCH_REQUIRE(...) (void)(0)
#define CATCH_REQUIRE_FALSE(...) (void)(0)

#define CATCH_REQUIRE_THROWS(...) (void)(0)
#define CATCH_REQUIRE_THROWS_AS(expr, exceptionType) (void)(0)
#define CATCH_REQUIRE_THROWS_WITH(expr, matcher) (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_REQUIRE_THROWS_MATCHES(expr, exceptionType, matcher) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_REQUIRE_NOTHROW(...) (void)(0)

#define CATCH_CHECK(...) (void)(0)
#define CATCH_CHECK_FALSE(...) (void)(0)
#define CATCH_CHECKED_IF(...) if (__VA_ARGS__)
#define CATCH_CHECKED_ELSE(...) if (!(__VA_ARGS__))
#define CATCH_CHECK_NOFAIL(...) (void)(0)

#define CATCH_CHECK_THROWS(...) (void)(0)
#define CATCH_CHECK_THROWS_AS(expr, exceptionType) (void)(0)
#define CATCH_CHECK_THROWS_WITH(expr, matcher) (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THROWS_MATCHES(expr, exceptionType, matcher) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CATCH_CHECK_NOTHROW(...) (void)(0)

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CATCH_CHECK_THAT(arg, matcher) (void)(0)

#define CATCH_REQUIRE_THAT(arg, matcher) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define CATCH_INFO(msg) (void)(0)
#define CATCH_UNSCOPED_INFO(msg) (void)(0)
#define CATCH_WARN(msg) (void)(0)
#define CATCH_CAPTURE(msg) (void)(0)

#define CATCH_TEST_CASE(...) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))
#define CATCH_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))
#define CATCH_METHOD_AS_TEST_CASE(method, ...)
#define CATCH_REGISTER_TEST_CASE(Function, ...) (void)(0)
#define CATCH_SECTION(...)
#define CATCH_DYNAMIC_SECTION(...)
#define CATCH_FAIL(...) (void)(0)
#define CATCH_FAIL_CHECK(...) (void)(0)
#define CATCH_SUCCEED(...) (void)(0)

#define CATCH_ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define CATCH_TEMPLATE_TEST_CASE(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__)
#define CATCH_TEMPLATE_TEST_CASE_SIG(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__)
#define CATCH_TEMPLATE_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__)
#define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE(...) CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(...) CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#else
#define CATCH_TEMPLATE_TEST_CASE(...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__))
#define CATCH_TEMPLATE_TEST_CASE_SIG(...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__))
#define CATCH_TEMPLATE_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__))
#define CATCH_TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__))
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE(...) CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_SIG(...) CATCH_TEMPLATE_TEST_CASE(__VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) CATCH_TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#endif

// "BDD-style" convenience wrappers
#define CATCH_SCENARIO(...) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))
#define CATCH_SCENARIO_METHOD(className, ...) \
  INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____), className)
#define CATCH_GIVEN(desc)
#define CATCH_AND_GIVEN(desc)
#define CATCH_WHEN(desc)
#define CATCH_AND_WHEN(desc)
#define CATCH_THEN(desc)
#define CATCH_AND_THEN(desc)

#define CATCH_STATIC_REQUIRE(...) (void)(0)
#define CATCH_STATIC_REQUIRE_FALSE(...) (void)(0)

// If CATCH_CONFIG_PREFIX_ALL is not defined then the CATCH_ prefix is not required
#else

#define REQUIRE(...) (void)(0)
#define REQUIRE_FALSE(...) (void)(0)

#define REQUIRE_THROWS(...) (void)(0)
#define REQUIRE_THROWS_AS(expr, exceptionType) (void)(0)
#define REQUIRE_THROWS_WITH(expr, matcher) (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define REQUIRE_THROWS_MATCHES(expr, exceptionType, matcher) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define REQUIRE_NOTHROW(...) (void)(0)

#define CHECK(...) (void)(0)
#define CHECK_FALSE(...) (void)(0)
#define CHECKED_IF(...) if (__VA_ARGS__)
#define CHECKED_ELSE(...) if (!(__VA_ARGS__))
#define CHECK_NOFAIL(...) (void)(0)

#define CHECK_THROWS(...) (void)(0)
#define CHECK_THROWS_AS(expr, exceptionType) (void)(0)
#define CHECK_THROWS_WITH(expr, matcher) (void)(0)
#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THROWS_MATCHES(expr, exceptionType, matcher) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS
#define CHECK_NOTHROW(...) (void)(0)

#if !defined(CATCH_CONFIG_DISABLE_MATCHERS)
#define CHECK_THAT(arg, matcher) (void)(0)

#define REQUIRE_THAT(arg, matcher) (void)(0)
#endif // CATCH_CONFIG_DISABLE_MATCHERS

#define INFO(msg) (void)(0)
#define UNSCOPED_INFO(msg) (void)(0)
#define WARN(msg) (void)(0)
#define CAPTURE(msg) (void)(0)

#define TEST_CASE(...) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))
#define TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))
#define METHOD_AS_TEST_CASE(method, ...)
#define REGISTER_TEST_CASE(Function, ...) (void)(0)
#define SECTION(...)
#define DYNAMIC_SECTION(...)
#define FAIL(...) (void)(0)
#define FAIL_CHECK(...) (void)(0)
#define SUCCEED(...) (void)(0)
#define ANON_TEST_CASE() INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))

#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define TEMPLATE_TEST_CASE(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__)
#define TEMPLATE_TEST_CASE_SIG(...) INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__)
#define TEMPLATE_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__)
#define TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE(...) TEMPLATE_TEST_CASE(__VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_SIG(...) TEMPLATE_TEST_CASE(__VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#else
#define TEMPLATE_TEST_CASE(...) INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(__VA_ARGS__))
#define TEMPLATE_TEST_CASE_SIG(...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(__VA_ARGS__))
#define TEMPLATE_TEST_CASE_METHOD(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(className, __VA_ARGS__))
#define TEMPLATE_TEST_CASE_METHOD_SIG(className, ...) \
  INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_SIG_NO_REGISTRATION(className, __VA_ARGS__))
#define TEMPLATE_PRODUCT_TEST_CASE(...) TEMPLATE_TEST_CASE(__VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_SIG(...) TEMPLATE_TEST_CASE(__VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD(className, ...) TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#define TEMPLATE_PRODUCT_TEST_CASE_METHOD_SIG(className, ...) TEMPLATE_TEST_CASE_METHOD(className, __VA_ARGS__)
#endif

#define STATIC_REQUIRE(...) (void)(0)
#define STATIC_REQUIRE_FALSE(...) (void)(0)

#endif

#define CATCH_TRANSLATE_EXCEPTION(signature) \
  INTERNAL_CATCH_TRANSLATE_EXCEPTION_NO_REG(INTERNAL_CATCH_UNIQUE_NAME(catch_internal_ExceptionTranslator), signature)

// "BDD-style" convenience wrappers
#define SCENARIO(...) INTERNAL_CATCH_TESTCASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____))
#define SCENARIO_METHOD(className, ...) \
  INTERNAL_CATCH_TESTCASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME(____C_A_T_C_H____T_E_S_T____), className)

#define GIVEN(desc)
#define AND_GIVEN(desc)
#define WHEN(desc)
#define AND_WHEN(desc)
#define THEN(desc)
#define AND_THEN(desc)

using Catch::Detail::Approx;

#endif

#endif // ! CATCH_CONFIG_IMPL_ONLY

// start catch_reenable_warnings.h

#ifdef __clang__
#ifdef __ICC // icpc defines the __clang__ macro
#pragma warning(pop)
#else
#pragma clang diagnostic pop
#endif
#elif defined __GNUC__
#pragma GCC diagnostic pop
#endif

// end catch_reenable_warnings.h
// end catch.hpp
#endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED