1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14, c++17 10 // UNSUPPORTED: no-localization 11 // UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME 12 13 // TODO FMT This test should not require std::to_chars(floating-point) 14 // XFAIL: availability-fp_to_chars-missing 15 16 // TODO FMT Investigate Windows issues. 17 // XFAIL: msvc 18 19 // REQUIRES: locale.fr_FR.UTF-8 20 // REQUIRES: locale.ja_JP.UTF-8 21 22 // <chrono> 23 24 // template<class charT> struct formatter<chrono::weekday, charT>; 25 26 #include <chrono> 27 #include <format> 28 29 #include <cassert> 30 #include <concepts> 31 #include <locale> 32 #include <iostream> 33 #include <type_traits> 34 35 #include "formatter_tests.h" 36 #include "make_string.h" 37 #include "platform_support.h" // locale name macros 38 #include "test_macros.h" 39 40 template <class CharT> 41 static void test_no_chrono_specs() { 42 using namespace std::literals::chrono_literals; 43 44 // Valid day 45 check(SV("Sun"), SV("{}"), std::chrono::weekday(0)); 46 47 // Invalid day 48 check(SV("8 is not a valid weekday"), SV("{}"), std::chrono::weekday(8)); 49 } 50 51 template <class CharT> 52 static void test_valid_values() { 53 constexpr std::basic_string_view<CharT> fmt = 54 SV("{:%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%t%%a='%a'%t%%A='%A'%n}"); 55 constexpr std::basic_string_view<CharT> lfmt = 56 SV("{:L%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%t%%a='%a'%t%%A='%A'%n}"); 57 58 const std::locale loc(LOCALE_ja_JP_UTF_8); 59 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8)); 60 61 // Non localized output using C-locale 62 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Sun'\t%A='Sunday'\n"), fmt, std::chrono::weekday(0)); 63 check(SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='Mon'\t%A='Monday'\n"), fmt, std::chrono::weekday(1)); 64 check(SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='Tue'\t%A='Tuesday'\n"), fmt, std::chrono::weekday(2)); 65 check(SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='Wed'\t%A='Wednesday'\n"), fmt, std::chrono::weekday(3)); 66 check(SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='Thu'\t%A='Thursday'\n"), fmt, std::chrono::weekday(4)); 67 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='Fri'\t%A='Friday'\n"), fmt, std::chrono::weekday(5)); 68 check(SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='Sat'\t%A='Saturday'\n"), fmt, std::chrono::weekday(6)); 69 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Sun'\t%A='Sunday'\n"), fmt, std::chrono::weekday(7)); 70 71 #if defined(__APPLE__) 72 // Use the global locale (fr_FR) 73 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Dim'\t%A='Dimanche'\n"), lfmt, std::chrono::weekday(0)); 74 check(SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='Lun'\t%A='Lundi'\n"), lfmt, std::chrono::weekday(1)); 75 check(SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='Mar'\t%A='Mardi'\n"), lfmt, std::chrono::weekday(2)); 76 check(SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='Mer'\t%A='Mercredi'\n"), lfmt, std::chrono::weekday(3)); 77 check(SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='Jeu'\t%A='Jeudi'\n"), lfmt, std::chrono::weekday(4)); 78 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='Ven'\t%A='Vendredi'\n"), lfmt, std::chrono::weekday(5)); 79 check(SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='Sam'\t%A='Samedi'\n"), lfmt, std::chrono::weekday(6)); 80 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Dim'\t%A='Dimanche'\n"), lfmt, std::chrono::weekday(7)); 81 #else 82 // Use the global locale (fr_FR) 83 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='dim.'\t%A='dimanche'\n"), lfmt, std::chrono::weekday(0)); 84 check(SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='lun.'\t%A='lundi'\n"), lfmt, std::chrono::weekday(1)); 85 check(SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='mar.'\t%A='mardi'\n"), lfmt, std::chrono::weekday(2)); 86 check(SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='mer.'\t%A='mercredi'\n"), lfmt, std::chrono::weekday(3)); 87 check(SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='jeu.'\t%A='jeudi'\n"), lfmt, std::chrono::weekday(4)); 88 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='ven.'\t%A='vendredi'\n"), lfmt, std::chrono::weekday(5)); 89 check(SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='sam.'\t%A='samedi'\n"), lfmt, std::chrono::weekday(6)); 90 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='dim.'\t%A='dimanche'\n"), lfmt, std::chrono::weekday(7)); 91 #endif 92 93 // Use supplied locale (ja_JP). 94 // This locale has a different alternate, but not on all platforms 95 #if defined(_WIN32) || defined(__APPLE__) || defined(_AIX) || defined(__FreeBSD__) 96 check(loc, SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(0)); 97 check(loc, SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='月'\t%A='月曜日'\n"), lfmt, std::chrono::weekday(1)); 98 check(loc, SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='火'\t%A='火曜日'\n"), lfmt, std::chrono::weekday(2)); 99 check(loc, SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='水'\t%A='水曜日'\n"), lfmt, std::chrono::weekday(3)); 100 check(loc, SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='木'\t%A='木曜日'\n"), lfmt, std::chrono::weekday(4)); 101 check(loc, SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='金'\t%A='金曜日'\n"), lfmt, std::chrono::weekday(5)); 102 check(loc, SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='土'\t%A='土曜日'\n"), lfmt, std::chrono::weekday(6)); 103 check(loc, SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(7)); 104 #else 105 check(loc, SV("%u='7'\t%Ou='七'\t%w='0'\t%Ow='〇'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(0)); 106 check(loc, SV("%u='1'\t%Ou='一'\t%w='1'\t%Ow='一'\t%a='月'\t%A='月曜日'\n"), lfmt, std::chrono::weekday(1)); 107 check(loc, SV("%u='2'\t%Ou='二'\t%w='2'\t%Ow='二'\t%a='火'\t%A='火曜日'\n"), lfmt, std::chrono::weekday(2)); 108 check(loc, SV("%u='3'\t%Ou='三'\t%w='3'\t%Ow='三'\t%a='水'\t%A='水曜日'\n"), lfmt, std::chrono::weekday(3)); 109 check(loc, SV("%u='4'\t%Ou='四'\t%w='4'\t%Ow='四'\t%a='木'\t%A='木曜日'\n"), lfmt, std::chrono::weekday(4)); 110 check(loc, SV("%u='5'\t%Ou='五'\t%w='5'\t%Ow='五'\t%a='金'\t%A='金曜日'\n"), lfmt, std::chrono::weekday(5)); 111 check(loc, SV("%u='6'\t%Ou='六'\t%w='6'\t%Ow='六'\t%a='土'\t%A='土曜日'\n"), lfmt, std::chrono::weekday(6)); 112 check(loc, SV("%u='7'\t%Ou='七'\t%w='0'\t%Ow='〇'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(7)); 113 #endif 114 115 std::locale::global(std::locale::classic()); 116 } 117 118 template <class CharT> 119 static void test_invalid_values() { 120 // Test that %a and %A throw an exception. 121 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%a}"), std::chrono::weekday(8)); 122 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%a}"), std::chrono::weekday(255)); 123 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%A}"), std::chrono::weekday(8)); 124 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%A}"), std::chrono::weekday(255)); 125 126 constexpr std::basic_string_view<CharT> fmt = SV("{:%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%n}"); 127 constexpr std::basic_string_view<CharT> lfmt = SV("{:L%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%n}"); 128 129 const std::locale loc(LOCALE_ja_JP_UTF_8); 130 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8)); 131 132 #if defined(__APPLE__) || defined(__FreeBSD__) 133 // Non localized output using C-locale 134 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), fmt, std::chrono::weekday(8)); 135 check(SV("%u='255'\t%Ou='255'\t%w='255'\t%Ow='255'\n"), fmt, std::chrono::weekday(255)); 136 137 // Use the global locale (fr_FR) 138 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8)); 139 check(SV("%u='255'\t%Ou='255'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255)); 140 141 // Use supplied locale (ja_JP). This locale has a different alternate. 142 check(loc, SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8)); 143 check(loc, SV("%u='255'\t%Ou='255'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255)); 144 #elif defined(_AIX) // defined(__APPLE__) || defined(__FreeBSD__) 145 // Non localized output using C-locale 146 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), fmt, std::chrono::weekday(8)); 147 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\n"), fmt, std::chrono::weekday(255)); 148 149 // Use the global locale (fr_FR) 150 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8)); 151 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\n"), lfmt, std::chrono::weekday(255)); 152 153 // Use supplied locale (ja_JP). This locale has a different alternate. 154 check(loc, SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8)); 155 check(loc, SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\n"), lfmt, std::chrono::weekday(255)); 156 #elif defined(_WIN32) // defined(__APPLE__) || defined(__FreeBSD__) 157 // Non localized output using C-locale 158 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), fmt, std::chrono::weekday(8)); 159 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), fmt, std::chrono::weekday(255)); 160 161 // Use the global locale (fr_FR) 162 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(8)); 163 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(255)); 164 165 // Use supplied locale (ja_JP). This locale has a different alternate. 166 check(loc, SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(8)); 167 check(loc, SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(255)); 168 #else // defined(__APPLE__) || defined(__FreeBSD__) 169 // Non localized output using C-locale 170 check(SV("%u='1'\t%Ou='1'\t%w='8'\t%Ow='8'\n"), fmt, std::chrono::weekday(8)); 171 check(SV("%u='3'\t%Ou='3'\t%w='255'\t%Ow='255'\n"), fmt, std::chrono::weekday(255)); 172 173 // Use the global locale (fr_FR) 174 check(SV("%u='1'\t%Ou='1'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8)); 175 check(SV("%u='3'\t%Ou='3'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255)); 176 177 // Use supplied locale (ja_JP). This locale has a different alternate. 178 check(loc, SV("%u='1'\t%Ou='一'\t%w='8'\t%Ow='八'\n"), lfmt, std::chrono::weekday(8)); 179 check(loc, SV("%u='3'\t%Ou='三'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255)); 180 #endif // defined(__APPLE__) || defined(__FreeBSD__) 181 182 std::locale::global(std::locale::classic()); 183 } 184 185 template <class CharT> 186 static void test() { 187 test_no_chrono_specs<CharT>(); 188 test_valid_values<CharT>(); 189 test_invalid_values<CharT>(); 190 check_invalid_types<CharT>( 191 {SV("a"), SV("A"), SV("t"), SV("u"), SV("w"), SV("Ou"), SV("Ow")}, std::chrono::weekday(0)); 192 193 check_exception("The format specifier expects a '%' or a '}'", SV("{:A"), std::chrono::weekday(0)); 194 check_exception("The chrono specifiers contain a '{'", SV("{:%%{"), std::chrono::weekday(0)); 195 check_exception("End of input while parsing a conversion specifier", SV("{:%"), std::chrono::weekday(0)); 196 check_exception("End of input while parsing the modifier E", SV("{:%E"), std::chrono::weekday(0)); 197 check_exception("End of input while parsing the modifier O", SV("{:%O"), std::chrono::weekday(0)); 198 199 // Precision not allowed 200 check_exception("The format specifier expects a '%' or a '}'", SV("{:.3}"), std::chrono::weekday(0)); 201 } 202 203 int main(int, char**) { 204 test<char>(); 205 206 #ifndef TEST_HAS_NO_WIDE_CHARACTERS 207 test<wchar_t>(); 208 #endif 209 210 return 0; 211 } 212