---
source: src/main.rs
expression: compiled
input_file: test-data/lua5.1-tests/strings.lua
---
print('testing strings and string library');
assert('alo' < 'alo1');
assert('' < 'a');
assert('alo\0alo' < 'alo\0b');
assert('alo\0alo\0\0' > 'alo\0alo\0');
assert('alo' < 'alo\0');
assert('alo\0' > 'alo');
assert('\0' < '\1');
assert('\0\0' < '\0\1');
assert('\1\0a\0a' <= '\1\0a\0a');
assert(!('\1\0a\0b' <= '\1\0a\0a'));
assert('\0\0\0' < '\0\0\0\0');
assert(!('\0\0\0\0' < '\0\0\0'));
assert('\0\0\0' <= '\0\0\0\0');
assert(!('\0\0\0\0' <= '\0\0\0'));
assert('\0\0\0' <= '\0\0\0');
assert('\0\0\0' >= '\0\0\0');
assert(!('\0\0b' < '\0\0a\0'));
print('+');
assert(string.sub("123456789", 2, 4) == "234");
assert(string.sub("123456789", 7) == "789");
assert(string.sub("123456789", 7, 6) == "");
assert(string.sub("123456789", 7, 7) == "7");
assert(string.sub("123456789", 0, 0) == "");
assert(string.sub("123456789", -10, 10) == "123456789");
assert(string.sub("123456789", 1, 9) == "123456789");
assert(string.sub("123456789", -10, -20) == "");
assert(string.sub("123456789", -1) == "9");
assert(string.sub("123456789", -4) == "6789");
assert(string.sub("123456789", -6, -4) == "456");
assert(string.sub("\000123456789", 3, 5) == "234");
assert(("\000123456789")::sub(8) == "789");
print('+');
assert(string.find("123456789", "345") == 3);
a, b = string.find("123456789", "345")
assert(string.sub("123456789", a, b) == "345");
assert(string.find("1234567890123456789", "345", 3) == 3);
assert(string.find("1234567890123456789", "345", 4) == 13);
assert(string.find("1234567890123456789", "346", 4) == nil);
assert(string.find("1234567890123456789", ".45", -9) == 13);
assert(string.find("abcdefg", "\0", 5, 1) == nil);
assert(string.find("", "") == 1);
assert(string.find('', 'aaa', 1) == nil);
assert(('alo(.)alo')::find('(.)', 1, 1) == 4);
print('+');
assert(string.len("") == 0);
assert(string.len("\0\0\0") == 3);
assert(string.len("1234567890") == 10);
assert(#"" == 0);
assert(#"\0\0\0" == 3);
assert(#"1234567890" == 10);
assert(string.byte("a") == 97);
assert(string.byte("�") > 127);
assert(string.byte(string.char(255)) == 255);
assert(string.byte(string.char(0)) == 0);
assert(string.byte("\0") == 0);
assert(string.byte("\0\0alo\0x", -1) == string.byte('x'));
assert(string.byte("ba", 2) == 97);
assert(string.byte("\n\n", 2, -1) == 10);
assert(string.byte("\n\n", 2, 2) == 10);
assert(string.byte("") == nil);
assert(string.byte("hi", -3) == nil);
assert(string.byte("hi", 3) == nil);
assert(string.byte("hi", 9, 10) == nil);
assert(string.byte("hi", 2, 1) == nil);
assert(string.char() == "");
assert(string.char(0, 255, 0) == "\0\255\0");
assert(string.char(0, string.byte("�"), 0) == "\0�\0");
assert(string.char(string.byte("�l\0�u", 1, -1)) == "�l\0�u");
assert(string.char(string.byte("�l\0�u", 1, 0)) == "");
assert(string.char(string.byte("�l\0�u", -10, 100)) == "�l\0�u");
print('+');
assert(string.upper("ab\0c") == "AB\0C");
assert(string.lower("\0ABCc%$") == "\0abcc%$");
assert(string.rep('teste', 0) == '');
assert(string.rep('t�s\00t�', 2) == 't�s\0t�t�s\000t�');
assert(string.rep('', 10) == '');
assert(string.reverse("") == "");
assert(string.reverse("\0\1\2\3") == "\3\2\1\0");
assert(string.reverse("\0001234") == "4321\0");
for i = 0, 30 {
    assert(string.len(string.rep('a', i)) == i);
}
assert(type(tostring(nil)) == 'string');
assert(type(tostring(12)) == 'string');
assert('' .. 12 == '12' && type(12 .. '') == 'string');
assert(string.find(tostring({}), 'table:'));
assert(string.find(tostring(print), 'function:'));
assert(tostring(1234567890123) == '1234567890123');
assert(#tostring('\0') == 1);
assert(tostring(true) == "true");
assert(tostring(false) == "false");
print('+');
x = '"�lo"\n\\'
assert(string.format('%q%s', x, x) == '"\\"�lo\\"\\\n\\\\""�lo"\n\\');
assert(string.format('%q', "\0") == `"\000"`);
assert(string.format("\0%c\0%c%x\0", string.byte("�"), string.byte("b"), 140) == "\0�\0b8c\0");
assert(string.format('') == "");
assert(string.format("%c", 34) .. string.format("%c", 48) .. string.format("%c", 90) .. string.format("%c", 100) == string.format("%c%c%c%c", 34, 48, 90, 100));
assert(string.format("%s\0 is not \0%s", 'not be', 'be') == 'not be\0 is not \0be');
assert(string.format("%%%d %010d", 10, 23) == "%10 0000000023");
assert(tonumber(string.format("%f", 10.3)) == 10.3);
x = string.format('"%-50s"', 'a')
assert(#x == 52);
assert(string.sub(x, 1, 4) == '"a  ');
assert(string.format("-%.20s.20s", string.rep("%", 2000)) == "-" .. string.rep("%", 20) .. ".20s");
assert(string.format('"-%20s.20s"', string.rep("%", 2000)) == string.format("%q", "-" .. string.rep("%", 2000) .. ".20s"));
assert(string.len(string.format('%99.99f', -1e308)) >= 100);
assert(loadstring("return 1\n--coment�rio sem EOL no final")() == 1);
assert(table.concat({}) == "");
assert(table.concat({}, 'x') == "");
assert(table.concat({
    '\0', 
    '\0\1', 
    '\0\1\2'
}, '.\0.') == "\0.\0.\0\1.\0.\0\1\2");
local a = {}
for i = 1, 3000 {
    a[(i)] = "xuxu"
}
assert(table.concat(a, "123") .. "123" == string.rep("xuxu123", 3000));
assert(table.concat(a, "b", 20, 20) == "xuxu");
assert(table.concat(a, "", 20, 21) == "xuxuxuxu");
assert(table.concat(a, "", 22, 21) == "");
assert(table.concat(a, "3", 2999) == "xuxu3xuxu");
a = {
    "a", 
    "b", 
    "c"
}
assert(table.concat(a, ",", 1, 0) == "");
assert(table.concat(a, ",", 1, 1) == "a");
assert(table.concat(a, ",", 1, 2) == "a,b");
assert(table.concat(a, ",", 2) == "b,c");
assert(table.concat(a, ",", 3) == "c");
assert(table.concat(a, ",", 4) == "");
local locales = {
    "ptb", 
    "ISO-8859-1", 
    "pt_BR"
}
local fn trylocale(w) {
    for _, l with ipairs(locales) {
        if os.setlocale(l, w) {
            return true
        }
    }
    return false
}
if !trylocale("collate") {
    print("locale not supported");
} else {
    assert("alo" < "�lo" && "�lo" < "amo");
}
if !trylocale("ctype") {
    print("locale not supported");
} else {
    assert(string.gsub("�����", "%a", "x") == "xxxxx");
    assert(string.gsub("����", "%l", "x") == "x�x�");
    assert(string.gsub("����", "%u", "x") == "�x�x");
    assert(string.upper("���{xuxu}��o") == "���{XUXU}��O");
}
os.setlocale("C");
assert(os.setlocale() == 'C');
assert(os.setlocale(nil, "numeric") == 'C');
print('OK');