libcxx/test/std/time/time.clock/time.clock.system/sys_date.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 // 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 // class system_Clock;
  25
  26 // template<class charT, class traits>
  27 //   basic_ostream<charT, traits>&
  28 //     operator<<(basic_ostream<charT, traits>& os, const sys_days& dp);
  29
  30 #include <cassert>
  31 #include <chrono>
  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 #include "assert_macros.h"
  39 #include "concat_macros.h"
  40
  41 #define SV(S) MAKE_STRING_VIEW(CharT, S)
  42
  43 #define TEST_EQUAL(OUT, EXPECTED)                                                                                      \
  44   TEST_REQUIRE(OUT == EXPECTED,                                                                                        \
  45                TEST_WRITE_CONCATENATED(                                                                                \
  46                    "\nExpression      ", #OUT, "\nExpected output ", EXPECTED, "\nActual output   ", OUT, '\n'));
  47
  48 template <class CharT>
  49 static std::basic_string<CharT> stream_c_locale(const std::chrono::sys_days& dp) {
  50   std::basic_stringstream<CharT> sstr;
  51   sstr << dp;
  52   return sstr.str();
  53 }
  54
  55 template <class CharT>
  56 static std::basic_string<CharT> stream_fr_FR_locale(const std::chrono::sys_days& dp) {
  57   std::basic_stringstream<CharT> sstr;
  58   const std::locale locale(LOCALE_fr_FR_UTF_8);
  59   sstr.imbue(locale);
  60   sstr << dp;
  61   return sstr.str();
  62 }
  63
  64 template <class CharT>
  65 static std::basic_string<CharT> stream_ja_JP_locale(const std::chrono::sys_days& dp) {
  66   std::basic_stringstream<CharT> sstr;
  67   const std::locale locale(LOCALE_ja_JP_UTF_8);
  68   sstr.imbue(locale);
  69   sstr << dp;
  70   return sstr.str();
  71 }
  72
  73 template <class CharT>
  74 static void test() {
  75   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
  76                  std::chrono::year_month_day{std::chrono::year{-32'768}, std::chrono::month{1}, std::chrono::day{1}}}),
  77              SV("-32768-01-01 is not a valid date"));
  78   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
  79                  std::chrono::year_month_day{std::chrono::year{1970}, std::chrono::month{1}, std::chrono::day{1}}}),
  80              SV("1970-01-01"));
  81   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
  82                  std::chrono::year_month_day{std::chrono::year{2000}, std::chrono::month{2}, std::chrono::day{29}}}),
  83              SV("2000-02-29"));
  84
  85 #if defined(_AIX)
  86   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
  87                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
  88              SV("+32767-12-31"));
  89 #elif defined(_WIN32) // defined(_AIX)
  90   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
  91                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
  92              SV(""));
  93 #else                 //  defined(_AIX)
  94   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
  95                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
  96              SV("32767-12-31"));
  97 #endif                // defined(_AIX)
  98
  99   // multiples of days are considered days.
 100   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{3}}),
 101              SV("1970-01-22"));
 102   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<30 * 86400>>>{
 103                  std::chrono::duration<int, std::ratio<30 * 86400>>{1}}),
 104              SV("1970-01-31"));
 105
 106   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
 107                  std::chrono::year_month_day{std::chrono::year{-32'768}, std::chrono::month{1}, std::chrono::day{1}}}),
 108              SV("-32768-01-01 is not a valid date"));
 109   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
 110                  std::chrono::year_month_day{std::chrono::year{1970}, std::chrono::month{1}, std::chrono::day{1}}}),
 111              SV("1970-01-01"));
 112   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
 113                  std::chrono::year_month_day{std::chrono::year{2000}, std::chrono::month{2}, std::chrono::day{29}}}),
 114              SV("2000-02-29"));
 115 #if defined(_AIX)
 116   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
 117                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
 118              SV("+32767-12-31"));
 119 #elif defined(_WIN32) // defined(_AIX)
 120   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
 121                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
 122              SV(""));
 123 #else                 // defined(_AIX)
 124   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
 125                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
 126              SV("32767-12-31"));
 127 #endif                // defined(_AIX)
 128
 129   // multiples of days are considered days.
 130   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{3}}),
 131              SV("1970-01-22"));
 132   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<30 * 86400>>>{
 133                  std::chrono::duration<int, std::ratio<30 * 86400>>{1}}),
 134              SV("1970-01-31"));
 135
 136   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
 137                  std::chrono::year_month_day{std::chrono::year{-32'768}, std::chrono::month{1}, std::chrono::day{1}}}),
 138              SV("-32768-01-01 is not a valid date"));
 139   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
 140                  std::chrono::year_month_day{std::chrono::year{1970}, std::chrono::month{1}, std::chrono::day{1}}}),
 141              SV("1970-01-01"));
 142   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
 143                  std::chrono::year_month_day{std::chrono::year{2000}, std::chrono::month{2}, std::chrono::day{29}}}),
 144              SV("2000-02-29"));
 145 #if defined(_AIX)
 146   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
 147                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
 148              SV("+32767-12-31"));
 149 #elif defined(_WIN32) // defined(_AIX)
 150   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
 151                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
 152              SV(""));
 153 #else                 // defined(_AIX)
 154   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
 155                  std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
 156              SV("32767-12-31"));
 157 #endif                // defined(_AIX)
 158
 159   // multiples of days are considered days.
 160   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{3}}),
 161              SV("1970-01-22"));
 162   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<30 * 86400>>>{
 163                  std::chrono::duration<int, std::ratio<30 * 86400>>{1}}),
 164              SV("1970-01-31"));
 165 }
 166
 167 int main(int, char**) {
 168   test<char>();
 169
 170 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 171   test<wchar_t>();
 172 #endif
 173
 174   return 0;
 175 }