libcxx/test/std/time/time.duration/time.duration.nonmember/ostream.pass.cpp

   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 // REQUIRES: locale.fr_FR.UTF-8
  17 // REQUIRES: locale.ja_JP.UTF-8
  18
  19 // <chrono>
  20
  21 // template<class Rep, class Period = ratio<1>> class duration;
  22
  23 // template<class charT, class traits, class Rep, class Period>
  24 //   basic_ostream<charT, traits>&
  25 //     operator<<(basic_ostream<charT, traits>& os,
  26 //                const duration<Rep, Period>& d);
  27
  28 #include <chrono>
  29
  30 #include <cassert>
  31 #include <concepts>
  32 #include <ratio>
  33 #include <sstream>
  34
  35 #include "make_string.h"
  36 #include "platform_support.h" // locale name macros
  37 #include "test_macros.h"
  38
  39 #define SV(S) MAKE_STRING_VIEW(CharT, S)
  40
  41 template <class CharT, class Rep, class Period>
  42 static std::basic_string<CharT> stream_c_locale(std::chrono::duration<Rep, Period> duration) {
  43   std::basic_stringstream<CharT> sstr;
  44   sstr.precision(4);
  45   sstr << std::fixed << duration;
  46   return sstr.str();
  47 }
  48
  49 template <class CharT, class Rep, class Period>
  50 static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::duration<Rep, Period> duration) {
  51   std::basic_stringstream<CharT> sstr;
  52   const std::locale locale(LOCALE_fr_FR_UTF_8);
  53   sstr.imbue(locale);
  54   sstr.precision(4);
  55   sstr << std::fixed << duration;
  56   return sstr.str();
  57 }
  58
  59 template <class CharT, class Rep, class Period>
  60 static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::duration<Rep, Period> duration) {
  61   std::basic_stringstream<CharT> sstr;
  62   const std::locale locale(LOCALE_ja_JP_UTF_8);
  63   sstr.imbue(locale);
  64   sstr.precision(4);
  65   sstr << std::fixed << duration;
  66   return sstr.str();
  67 }
  68
  69 template <class CharT>
  70 static void test_values() {
  71   using namespace std::literals::chrono_literals;
  72
  73   assert(stream_c_locale<CharT>(-1'000'000s) == SV("-1000000s"));
  74   assert(stream_c_locale<CharT>(1'000'000s) == SV("1000000s"));
  75   assert(stream_c_locale<CharT>(-1'000.123456s) == SV("-1000.1235s"));
  76   assert(stream_c_locale<CharT>(1'000.123456s) == SV("1000.1235s"));
  77
  78   if constexpr (std::same_as<CharT, char>) {
  79 #if defined(__APPLE__)
  80     assert(stream_fr_FR_locale<CharT>(-1'000'000s) == SV("-1000000s"));
  81     assert(stream_fr_FR_locale<CharT>(1'000'000s) == SV("1000000s"));
  82     assert(stream_fr_FR_locale<CharT>(-1'000.123456s) == SV("-1000,1235s"));
  83     assert(stream_fr_FR_locale<CharT>(1'000.123456s) == SV("1000,1235s"));
  84 #else
  85     assert(stream_fr_FR_locale<CharT>(-1'000'000s) == SV("-1 000 000s"));
  86     assert(stream_fr_FR_locale<CharT>(1'000'000s) == SV("1 000 000s"));
  87     assert(stream_fr_FR_locale<CharT>(-1'000.123456s) == SV("-1 000,1235s"));
  88     assert(stream_fr_FR_locale<CharT>(1'000.123456s) == SV("1 000,1235s"));
  89 #endif
  90   } else {
  91 #ifdef _WIN32
  92     assert(stream_fr_FR_locale<CharT>(-1'000'000s) == SV("-1\u00A0000\u00A0000s"));
  93     assert(stream_fr_FR_locale<CharT>(1'000'000s) == SV("1\u00A0000\u00A0000s"));
  94     assert(stream_fr_FR_locale<CharT>(-1'000.123456s) == SV("-1\u00A0000,1235s"));
  95     assert(stream_fr_FR_locale<CharT>(1'000.123456s) == SV("1\u00A0000,1235s"));
  96 #elif defined(__APPLE__)
  97     assert(stream_fr_FR_locale<CharT>(-1'000'000s) == SV("-1000000s"));
  98     assert(stream_fr_FR_locale<CharT>(1'000'000s) == SV("1000000s"));
  99     assert(stream_fr_FR_locale<CharT>(-1'000.123456s) == SV("-1000,1235s"));
 100     assert(stream_fr_FR_locale<CharT>(1'000.123456s) == SV("1000,1235s"));
 101 #else
 102     assert(stream_fr_FR_locale<CharT>(-1'000'000s) == SV("-1\u202f000\u202f000s"));
 103     assert(stream_fr_FR_locale<CharT>(1'000'000s) == SV("1\u202f000\u202f000s"));
 104     assert(stream_fr_FR_locale<CharT>(-1'000.123456s) == SV("-1\u202f000,1235s"));
 105     assert(stream_fr_FR_locale<CharT>(1'000.123456s) == SV("1\u202f000,1235s"));
 106 #endif
 107   }
 108
 109   assert(stream_ja_JP_locale<CharT>(-1'000'000s) == SV("-1,000,000s"));
 110   assert(stream_ja_JP_locale<CharT>(1'000'000s) == SV("1,000,000s"));
 111   assert(stream_ja_JP_locale<CharT>(-1'000.123456s) == SV("-1,000.1235s"));
 112   assert(stream_ja_JP_locale<CharT>(1'000.123456s) == SV("1,000.1235s"));
 113 }
 114
 115 template <class CharT>
 116 static void test_units() {
 117   using namespace std::literals::chrono_literals;
 118
 119   // C locale
 120   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::atto>(0)) == SV("0as"));
 121   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::femto>(0)) == SV("0fs"));
 122   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::pico>(0)) == SV("0ps"));
 123   assert(stream_c_locale<CharT>(0ns) == SV("0ns"));
 124 #ifndef TEST_HAS_NO_UNICODE
 125   assert(stream_c_locale<CharT>(0us) == SV("0\u00b5s"));
 126 #else
 127   assert(stream_c_locale<CharT>(0us) == SV("0us"));
 128 #endif
 129   assert(stream_c_locale<CharT>(0ms) == SV("0ms"));
 130   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::centi>(0)) == SV("0cs"));
 131   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::deci>(0)) == SV("0ds"));
 132
 133   assert(stream_c_locale<CharT>(0s) == SV("0s"));
 134
 135   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::deca>(0)) == SV("0das"));
 136   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::hecto>(0)) == SV("0hs"));
 137   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::kilo>(0)) == SV("0ks"));
 138   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::mega>(0)) == SV("0Ms"));
 139   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::giga>(0)) == SV("0Gs"));
 140   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::tera>(0)) == SV("0Ts"));
 141   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::peta>(0)) == SV("0Ps"));
 142   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::exa>(0)) == SV("0Es"));
 143
 144   assert(stream_c_locale<CharT>(0min) == SV("0min"));
 145   assert(stream_c_locale<CharT>(0h) == SV("0h"));
 146   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::ratio<86400>>(0)) == SV("0d"));
 147
 148   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::ratio<42>>(0)) == SV("0[42]s"));
 149   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::ratio<33, 3>>(0)) == SV("0[11]s"));
 150   assert(stream_c_locale<CharT>(std::chrono::duration<int, std::ratio<11, 9>>(0)) == SV("0[11/9]s"));
 151
 152   // fr_FR locale
 153   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::atto>(0)) == SV("0as"));
 154   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::femto>(0)) == SV("0fs"));
 155   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::pico>(0)) == SV("0ps"));
 156   assert(stream_fr_FR_locale<CharT>(0ns) == SV("0ns"));
 157 #ifndef TEST_HAS_NO_UNICODE
 158   assert(stream_fr_FR_locale<CharT>(0us) == SV("0\u00b5s"));
 159 #else
 160   assert(stream_fr_FR_locale<CharT>(0us) == SV("0us"));
 161 #endif
 162   assert(stream_fr_FR_locale<CharT>(0ms) == SV("0ms"));
 163   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::centi>(0)) == SV("0cs"));
 164   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::deci>(0)) == SV("0ds"));
 165
 166   assert(stream_fr_FR_locale<CharT>(0s) == SV("0s"));
 167
 168   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::deca>(0)) == SV("0das"));
 169   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::hecto>(0)) == SV("0hs"));
 170   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::kilo>(0)) == SV("0ks"));
 171   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::mega>(0)) == SV("0Ms"));
 172   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::giga>(0)) == SV("0Gs"));
 173   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::tera>(0)) == SV("0Ts"));
 174   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::peta>(0)) == SV("0Ps"));
 175   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::exa>(0)) == SV("0Es"));
 176
 177   assert(stream_fr_FR_locale<CharT>(0min) == SV("0min"));
 178   assert(stream_fr_FR_locale<CharT>(0h) == SV("0h"));
 179   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::ratio<86400>>(0)) == SV("0d"));
 180
 181   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::ratio<42>>(0)) == SV("0[42]s"));
 182   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::ratio<33, 3>>(0)) == SV("0[11]s"));
 183   assert(stream_fr_FR_locale<CharT>(std::chrono::duration<int, std::ratio<11, 9>>(0)) == SV("0[11/9]s"));
 184
 185   // ja_JP locale
 186   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::atto>(0)) == SV("0as"));
 187   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::femto>(0)) == SV("0fs"));
 188   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::pico>(0)) == SV("0ps"));
 189   assert(stream_ja_JP_locale<CharT>(0ns) == SV("0ns"));
 190 #ifndef TEST_HAS_NO_UNICODE
 191   assert(stream_ja_JP_locale<CharT>(0us) == SV("0\u00b5s"));
 192 #else
 193   assert(stream_ja_JP_locale<CharT>(0us) == SV("0us"));
 194 #endif
 195   assert(stream_ja_JP_locale<CharT>(0ms) == SV("0ms"));
 196   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::centi>(0)) == SV("0cs"));
 197   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::deci>(0)) == SV("0ds"));
 198
 199   assert(stream_ja_JP_locale<CharT>(0s) == SV("0s"));
 200
 201   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::deca>(0)) == SV("0das"));
 202   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::hecto>(0)) == SV("0hs"));
 203   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::kilo>(0)) == SV("0ks"));
 204   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::mega>(0)) == SV("0Ms"));
 205   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::giga>(0)) == SV("0Gs"));
 206   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::tera>(0)) == SV("0Ts"));
 207   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::peta>(0)) == SV("0Ps"));
 208   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::exa>(0)) == SV("0Es"));
 209
 210   assert(stream_ja_JP_locale<CharT>(0min) == SV("0min"));
 211   assert(stream_ja_JP_locale<CharT>(0h) == SV("0h"));
 212   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::ratio<86400>>(0)) == SV("0d"));
 213
 214   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::ratio<42>>(0)) == SV("0[42]s"));
 215   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::ratio<33, 3>>(0)) == SV("0[11]s"));
 216   assert(stream_ja_JP_locale<CharT>(std::chrono::duration<int, std::ratio<11, 9>>(0)) == SV("0[11/9]s"));
 217 }
 218
 219 template <class CharT>
 220 static void test() {
 221   test_values<CharT>();
 222   test_units<CharT>();
 223 }
 224
 225 int main(int, char**) {
 226   test<char>();
 227
 228 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 229   test<wchar_t>();
 230 #endif
 231
 232   return 0;
 233 }