#[macro_use] extern crate enum_methods; #[test] fn test_to_getters() { #[derive(EnumIntoGetters, EnumToGetters, Debug)] enum MyEnum { Foo(i64), Bar(bool), Baz(String), Tup(i32, String, Vec), } let foo = MyEnum::Foo(42); let bar = MyEnum::Bar(false); let baz = MyEnum::Baz("hurry boy, it's waiting there for you".to_string()); let tup = MyEnum::Tup(42, String::from("Hello, Tuple, my old friend!"), vec![true, false, true]); assert_eq!(foo.to_foo(), 42); assert_eq!(bar.to_bar(), false); assert_eq!(baz.to_baz(), "hurry boy, it's waiting there for you"); assert_eq!(foo.into_foo(), 42); assert_eq!(bar.into_bar(), false); assert_eq!(baz.into_baz(), "hurry boy, it's waiting there for you"); assert_eq!(tup.into_tup(), (42, String::from("Hello, Tuple, my old friend!"), vec![true, false, true])); } #[test] fn test_to_getter_names() { #[derive(EnumIntoGetters, EnumToGetters, Debug)] enum MyEnum { FooBar(bool), BarBaz(String), } let first = MyEnum::FooBar(true); let second = MyEnum::BarBaz( "there's nothing that a hundred men or more could ever do".to_string(), ); assert_eq!(first.to_foo_bar(), true); assert_eq!( second.to_bar_baz(), "there's nothing that a hundred men or more could ever do" ); assert_eq!(first.into_foo_bar(), true); assert_eq!( second.into_bar_baz(), "there's nothing that a hundred men or more could ever do" ); } #[test] fn test_getter_structs() { #[derive(EnumIntoGetters, EnumToGetters, Debug)] enum MyEnum { FooBar(bool), BarBaz(String), SomeStruct { foo: i32 }, // should be skipped } impl MyEnum { pub fn to_some_struct(&self) -> i32 { if let &MyEnum::SomeStruct { ref foo } = self { foo.clone() } else { unreachable!() } } pub fn into_some_struct(self) -> i32 { if let MyEnum::SomeStruct { foo } = self { foo } else { unreachable!() } } } let first = MyEnum::FooBar(true); let second = MyEnum::BarBaz( "there's nothing that a hundred men or more could ever do".to_string(), ); let third = MyEnum::SomeStruct { foo: 42 }; assert_eq!(first.to_foo_bar(), true); assert_eq!( second.to_bar_baz(), "there's nothing that a hundred men or more could ever do" ); assert_eq!(third.to_some_struct(), 42); assert_eq!(first.into_foo_bar(), true); assert_eq!( second.into_bar_baz(), "there's nothing that a hundred men or more could ever do" ); assert_eq!(third.into_some_struct(), 42); }