libcxx/test/std/time/time.clock/time.clock.file/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 // class system_clock;
  22
  23 // template<class charT, class traits, class Duration>
  24 //   basic_ostream<charT, traits>&
  25 //     operator<<(basic_ostream<charT, traits>& os, const sys_time<Duration>& tp);
  26
  27 #include <chrono>
  28 #include <cassert>
  29 #include <ratio>
  30 #include <sstream>
  31
  32 #include "make_string.h"
  33 #include "platform_support.h" // locale name macros
  34 #include "test_macros.h"
  35
  36 #define SV(S) MAKE_STRING_VIEW(CharT, S)
  37
  38 // Modeled after the system clock's usings, this make adapating the
  39 // tests easier.
  40 template <class Duration>
  41 using file_time    = std::chrono::time_point<std::chrono::file_clock, Duration>;
  42 using file_seconds = file_time<std::chrono::seconds>;
  43 using file_days    = file_time<std::chrono::days>;
  44
  45 template <class CharT, class Duration>
  46 static std::basic_string<CharT> stream_c_locale(file_time<Duration> time_point) {
  47   std::basic_stringstream<CharT> sstr;
  48   sstr << std::fixed << time_point;
  49   return sstr.str();
  50 }
  51
  52 template <class CharT, class Duration>
  53 static std::basic_string<CharT> stream_fr_FR_locale(file_time<Duration> time_point) {
  54   std::basic_stringstream<CharT> sstr;
  55   const std::locale locale(LOCALE_fr_FR_UTF_8);
  56   sstr.imbue(locale);
  57   sstr << std::fixed << time_point;
  58   return sstr.str();
  59 }
  60
  61 template <class CharT, class Duration>
  62 static std::basic_string<CharT> stream_ja_JP_locale(file_time<Duration> time_point) {
  63   std::basic_stringstream<CharT> sstr;
  64   const std::locale locale(LOCALE_ja_JP_UTF_8);
  65   sstr.imbue(locale);
  66   sstr << std::fixed << time_point;
  67   return sstr.str();
  68 }
  69
  70 template <class CharT>
  71 static void test_c() {
  72   using namespace std::literals::chrono_literals;
  73
  74   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
  75          SV("1940-01-01 22:57:56.876543211"));
  76
  77   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
  78          SV("1940-01-01 22:57:56.876544"));
  79
  80   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
  81          SV("1940-01-01 22:57:56.877"));
  82
  83   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1000000000ns}) ==
  84          SV("1969-12-31 23:59:59.000000000"));
  85
  86   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-1000000us}) ==
  87          SV("1969-12-31 23:59:59.000000"));
  88
  89   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-1000ms}) ==
  90          SV("1969-12-31 23:59:59.000"));
  91
  92   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1ns}) ==
  93          SV("1969-12-31 23:59:59.999999999"));
  94
  95   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{0ns}) ==
  96          SV("1970-01-01 00:00:00.000000000"));
  97
  98   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1ns}) ==
  99          SV("1970-01-01 00:00:00.000000001"));
 100
 101   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1000000000ns}) ==
 102          SV("1970-01-01 00:00:01.000000000"));
 103
 104   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{1000000us}) ==
 105          SV("1970-01-01 00:00:01.000000"));
 106
 107   assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{1000ms}) ==
 108          SV("1970-01-01 00:00:01.000"));
 109
 110   assert(stream_c_locale<CharT>(file_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
 111          SV("2000-01-01 01:02:03.123456789"));
 112
 113   assert(stream_c_locale<CharT>(file_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
 114          SV("2000-01-01 01:02:03.123456"));
 115
 116   assert(stream_c_locale<CharT>(file_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
 117          SV("2000-01-01 00:00:00.123"));
 118   assert(stream_c_locale<CharT>(file_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
 119   assert(stream_c_locale<CharT>(file_time<std::chrono::minutes>{20'576'131min}) == SV("2009-02-13 23:31:00"));
 120   assert(stream_c_locale<CharT>(file_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
 121   assert(stream_c_locale<CharT>(file_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
 122   assert(stream_c_locale<CharT>(file_time<std::chrono::weeks>{std::chrono::weeks{2041}}) == SV("2009-02-12 00:00:00"));
 123
 124   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
 125              std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
 126   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<short, std::ratio<1, 2>>>{
 127              std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
 128   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<int, std::ratio<1, 4>>>{
 129              std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
 130   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<long, std::ratio<1, 10>>>{
 131              std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
 132   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
 133              std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
 134
 135   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<float, std::ratio<1, 1>>>{
 136              std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
 137   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<double, std::ratio<1, 10>>>{
 138              std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12.3"));
 139   assert(stream_c_locale<CharT>(file_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
 140              std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01.23"));
 141 }
 142
 143 template <class CharT>
 144 static void test_fr_FR() {
 145   using namespace std::literals::chrono_literals;
 146
 147   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
 148          SV("1940-01-01 22:57:56,876543211"));
 149
 150   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
 151          SV("1940-01-01 22:57:56,876544"));
 152
 153   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
 154          SV("1940-01-01 22:57:56,877"));
 155
 156   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1000000000ns}) ==
 157          SV("1969-12-31 23:59:59,000000000"));
 158
 159   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-1000000us}) ==
 160          SV("1969-12-31 23:59:59,000000"));
 161
 162   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-1000ms}) ==
 163          SV("1969-12-31 23:59:59,000"));
 164
 165   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1ns}) ==
 166          SV("1969-12-31 23:59:59,999999999"));
 167
 168   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{0ns}) ==
 169          SV("1970-01-01 00:00:00,000000000"));
 170
 171   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1ns}) ==
 172          SV("1970-01-01 00:00:00,000000001"));
 173
 174   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1000000000ns}) ==
 175          SV("1970-01-01 00:00:01,000000000"));
 176
 177   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{1000000us}) ==
 178          SV("1970-01-01 00:00:01,000000"));
 179
 180   assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{1000ms}) ==
 181          SV("1970-01-01 00:00:01,000"));
 182
 183   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
 184          SV("2000-01-01 01:02:03,123456789"));
 185   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
 186          SV("2000-01-01 01:02:03,123456"));
 187
 188   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
 189          SV("2000-01-01 00:00:00,123"));
 190   assert(stream_fr_FR_locale<CharT>(file_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
 191   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::minutes>{20'576'131min}) == SV("2009-02-13 23:31:00"));
 192   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
 193   assert(stream_fr_FR_locale<CharT>(file_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
 194   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
 195          SV("2009-02-12 00:00:00"));
 196
 197   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
 198              std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
 199   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<short, std::ratio<1, 2>>>{
 200              std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00,0"));
 201   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<int, std::ratio<1, 4>>>{
 202              std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00,00"));
 203   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<long, std::ratio<1, 10>>>{
 204              std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01,1"));
 205   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
 206              std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30,10"));
 207
 208   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<float, std::ratio<1, 1>>>{
 209              std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
 210   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<double, std::ratio<1, 10>>>{
 211              std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12,3"));
 212   assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
 213              std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01,23"));
 214 }
 215
 216 template <class CharT>
 217 static void test_ja_JP() {
 218   using namespace std::literals::chrono_literals;
 219
 220   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
 221          SV("1940-01-01 22:57:56.876543211"));
 222
 223   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
 224          SV("1940-01-01 22:57:56.876544"));
 225
 226   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
 227          SV("1940-01-01 22:57:56.877"));
 228
 229   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1000000000ns}) ==
 230          SV("1969-12-31 23:59:59.000000000"));
 231
 232   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-1000000us}) ==
 233          SV("1969-12-31 23:59:59.000000"));
 234
 235   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-1000ms}) ==
 236          SV("1969-12-31 23:59:59.000"));
 237
 238   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1ns}) ==
 239          SV("1969-12-31 23:59:59.999999999"));
 240
 241   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{0ns}) ==
 242          SV("1970-01-01 00:00:00.000000000"));
 243
 244   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1ns}) ==
 245          SV("1970-01-01 00:00:00.000000001"));
 246
 247   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1000000000ns}) ==
 248          SV("1970-01-01 00:00:01.000000000"));
 249
 250   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{1000000us}) ==
 251          SV("1970-01-01 00:00:01.000000"));
 252
 253   assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{1000ms}) ==
 254          SV("1970-01-01 00:00:01.000"));
 255
 256   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
 257          SV("2000-01-01 01:02:03.123456789"));
 258   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
 259          SV("2000-01-01 01:02:03.123456"));
 260
 261   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
 262          SV("2000-01-01 00:00:00.123"));
 263   assert(stream_ja_JP_locale<CharT>(file_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
 264   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::minutes>{20'576'131min}) == SV("2009-02-13 23:31:00"));
 265   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
 266   assert(stream_ja_JP_locale<CharT>(file_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
 267   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
 268          SV("2009-02-12 00:00:00"));
 269
 270   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
 271              std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
 272   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<short, std::ratio<1, 2>>>{
 273              std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
 274   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<int, std::ratio<1, 4>>>{
 275              std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
 276   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<long, std::ratio<1, 10>>>{
 277              std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
 278   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
 279              std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
 280
 281   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<float, std::ratio<1, 1>>>{
 282              std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
 283   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<double, std::ratio<1, 10>>>{
 284              std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12.3"));
 285   assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
 286              std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01.23"));
 287 }
 288
 289 template <class CharT>
 290 static void test() {
 291   test_c<CharT>();
 292   test_fr_FR<CharT>();
 293   test_ja_JP<CharT>();
 294 }
 295
 296 int main(int, char**) {
 297   test<char>();
 298
 299 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 300   test<wchar_t>();
 301 #endif
 302
 303   return 0;
 304 }