libcxx/test/std/time/time.clock/time.clock.system/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 template <class CharT, class Duration>
  39 static std::basic_string<CharT> stream_c_locale(std::chrono::sys_time<Duration> time_point) {
  40   std::basic_stringstream<CharT> sstr;
  41   sstr << std::fixed << time_point;
  42   return sstr.str();
  43 }
  44
  45 template <class CharT, class Duration>
  46 static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::sys_time<Duration> time_point) {
  47   std::basic_stringstream<CharT> sstr;
  48   const std::locale locale(LOCALE_fr_FR_UTF_8);
  49   sstr.imbue(locale);
  50   sstr << std::fixed << time_point;
  51   return sstr.str();
  52 }
  53
  54 template <class CharT, class Duration>
  55 static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::sys_time<Duration> time_point) {
  56   std::basic_stringstream<CharT> sstr;
  57   const std::locale locale(LOCALE_ja_JP_UTF_8);
  58   sstr.imbue(locale);
  59   sstr << std::fixed << time_point;
  60   return sstr.str();
  61 }
  62
  63 template <class CharT>
  64 static void test_c() {
  65   using namespace std::literals::chrono_literals;
  66
  67   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
  68          SV("2000-01-01 01:02:03.123456789"));
  69   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
  70          SV("2000-01-01 01:02:03.123456"));
  71
  72   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
  73          SV("2000-01-01 00:00:00.123"));
  74   assert(stream_c_locale<CharT>(std::chrono::sys_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
  75   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::minutes>{20'576'131min}) ==
  76          SV("2009-02-13 23:31:00"));
  77   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
  78   assert(stream_c_locale<CharT>(std::chrono::sys_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
  79   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
  80          SV("2009-02-12 00:00:00"));
  81
  82   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
  83              std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
  84   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<short, std::ratio<1, 2>>>{
  85              std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
  86   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<1, 4>>>{
  87              std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
  88   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long, std::ratio<1, 10>>>{
  89              std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
  90   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
  91              std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
  92
  93   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<float, std::ratio<1, 1>>>{
  94              std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
  95   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<double, std::ratio<1, 10>>>{
  96              std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12.3"));
  97   assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
  98              std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01.23"));
  99 }
 100
 101 template <class CharT>
 102 static void test_fr_FR() {
 103   using namespace std::literals::chrono_literals;
 104
 105   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
 106          SV("2000-01-01 01:02:03,123456789"));
 107   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
 108          SV("2000-01-01 01:02:03,123456"));
 109
 110   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
 111          SV("2000-01-01 00:00:00,123"));
 112   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
 113   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::minutes>{20'576'131min}) ==
 114          SV("2009-02-13 23:31:00"));
 115   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
 116   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
 117   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
 118          SV("2009-02-12 00:00:00"));
 119
 120   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
 121              std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
 122   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<short, std::ratio<1, 2>>>{
 123              std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00,0"));
 124   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<1, 4>>>{
 125              std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00,00"));
 126   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long, std::ratio<1, 10>>>{
 127              std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01,1"));
 128   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
 129              std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30,10"));
 130
 131   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<float, std::ratio<1, 1>>>{
 132              std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
 133   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<double, std::ratio<1, 10>>>{
 134              std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12,3"));
 135   assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
 136              std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01,23"));
 137 }
 138
 139 template <class CharT>
 140 static void test_ja_JP() {
 141   using namespace std::literals::chrono_literals;
 142
 143   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
 144          SV("2000-01-01 01:02:03.123456789"));
 145   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
 146          SV("2000-01-01 01:02:03.123456"));
 147
 148   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
 149          SV("2000-01-01 00:00:00.123"));
 150   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
 151   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::minutes>{20'576'131min}) ==
 152          SV("2009-02-13 23:31:00"));
 153   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
 154   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
 155   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
 156          SV("2009-02-12 00:00:00"));
 157
 158   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
 159              std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
 160   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<short, std::ratio<1, 2>>>{
 161              std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
 162   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<1, 4>>>{
 163              std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
 164   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long, std::ratio<1, 10>>>{
 165              std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
 166   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
 167              std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
 168
 169   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<float, std::ratio<1, 1>>>{
 170              std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
 171   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<double, std::ratio<1, 10>>>{
 172              std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12.3"));
 173   assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
 174              std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01.23"));
 175 }
 176
 177 template <class CharT>
 178 static void test() {
 179   test_c<CharT>();
 180   test_fr_FR<CharT>();
 181   test_ja_JP<CharT>();
 182 }
 183
 184 int main(int, char**) {
 185   test<char>();
 186
 187 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 188   test<wchar_t>();
 189 #endif
 190
 191   return 0;
 192 }