libcxx/test/std/time/time.hms/time.hms.nonmembers/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 // XFAIL: availability-fp_to_chars-missing
  14
  15 // REQUIRES: locale.fr_FR.UTF-8
  16 // REQUIRES: locale.ja_JP.UTF-8
  17
  18 // <chrono>
  19
  20 // class hh_mm_ss;
  21
  22 // template<class charT, class traits, class Duration>
  23 //   basic_ostream<charT, traits>&
  24 //     operator<<(basic_ostream<charT, traits>& os, const hh_mm_ss<Duration>& hms);
  25
  26 #include <cassert>
  27 #include <chrono>
  28 #include <ratio>
  29 #include <sstream>
  30
  31 #include "make_string.h"
  32 #include "platform_support.h" // locale name macros
  33 #include "test_macros.h"
  34
  35 #define SV(S) MAKE_STRING_VIEW(CharT, S)
  36
  37 template <class CharT, class Duration>
  38 static std::basic_string<CharT> stream_c_locale(std::chrono::hh_mm_ss<Duration> hms) {
  39   std::basic_stringstream<CharT> sstr;
  40   sstr << hms;
  41   return sstr.str();
  42 }
  43
  44 template <class CharT, class Duration>
  45 static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::hh_mm_ss<Duration> hms) {
  46   std::basic_stringstream<CharT> sstr;
  47   const std::locale locale(LOCALE_fr_FR_UTF_8);
  48   sstr.imbue(locale);
  49   sstr << hms;
  50   return sstr.str();
  51 }
  52
  53 template <class CharT, class Duration>
  54 static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::hh_mm_ss<Duration> hms) {
  55   std::basic_stringstream<CharT> sstr;
  56   const std::locale locale(LOCALE_ja_JP_UTF_8);
  57   sstr.imbue(locale);
  58   sstr << hms;
  59   return sstr.str();
  60 }
  61
  62 template <class CharT>
  63 static void test() {
  64   // Note std::atto can't be tested since the ratio conversion from std::atto
  65   // std::chrono::seconds to std::chrono::hours overflows when intmax_t is a
  66   // 64-bit type. This is a limitiation in the constructor of
  67   // std::chrono::hh_mm_ss.
  68
  69   // C locale - integral power of 10 ratios
  70   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::femto>{1'234'567'890}}) ==
  71          SV("00:00:00.000001234567890"));
  72   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::pico>{1'234'567'890}}) ==
  73          SV("00:00:00.001234567890"));
  74   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::nano>{1'234'567'890}}) ==
  75          SV("00:00:01.234567890"));
  76   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::micro>{1'234'567}}) ==
  77          SV("00:00:01.234567"));
  78   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::milli>{123'456}}) ==
  79          SV("00:02:03.456"));
  80   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::centi>{12'345}}) ==
  81          SV("00:02:03.45"));
  82   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::deci>{1'234}}) ==
  83          SV("00:02:03.4"));
  84
  85   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t>{123}}) == SV("00:02:03"));
  86
  87   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::deca>{-366}}) ==
  88          SV("-01:01:00"));
  89   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::hecto>{-72}}) ==
  90          SV("-02:00:00"));
  91   assert(stream_c_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::kilo>{-86}}) ==
  92          SV("-23:53:20"));
  93
  94   // Starting at mega it will pass one day
  95
  96   // fr_FR locale - integral power of not 10 ratios
  97   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{
  98              std::chrono::duration<std::intmax_t, std::ratio<1, 5'000'000>>{5'000}}) == SV("00:00:00,0010000"));
  99   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 8'000>>{3}}) ==
 100          SV("00:00:00,000375"));
 101   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 4'000>>{1}}) ==
 102          SV("00:00:00,00025"));
 103   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 5'000>>{5}}) ==
 104          SV("00:00:00,0010"));
 105   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 8>>{-4}}) ==
 106          SV("-00:00:00,500"));
 107   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 4>>{-8}}) ==
 108          SV("-00:00:02,00"));
 109   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 5>>{-5}}) ==
 110          SV("-00:00:01,0"));
 111
 112   // TODO FMT Note there's no wording on the rounding
 113   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 9>>{5}}) ==
 114          SV("00:00:00,555555"));
 115   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 7>>{7}}) ==
 116          SV("00:00:01,000000"));
 117   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 6>>{1}}) ==
 118          SV("00:00:00,166666"));
 119   assert(stream_fr_FR_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<std::intmax_t, std::ratio<1, 3>>{2}}) ==
 120          SV("00:00:00,666666"));
 121
 122   // ja_JP locale - floating points
 123   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{
 124              std::chrono::duration<long double, std::femto>{1'234'567'890.123}}) == SV("00:00:00.000001234567890"));
 125   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{
 126              std::chrono::duration<long double, std::pico>{1'234'567'890.123}}) == SV("00:00:00.001234567890"));
 127   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{
 128              std::chrono::duration<long double, std::nano>{1'234'567'890.123}}) == SV("00:00:01.234567890"));
 129   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<double, std::micro>{1'234'567.123}}) ==
 130          SV("00:00:01.234567"));
 131   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<double, std::milli>{123'456.123}}) ==
 132          SV("00:02:03.456"));
 133   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<double, std::centi>{12'345.123}}) ==
 134          SV("00:02:03.45"));
 135   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<float, std::deci>{1'234.123}}) ==
 136          SV("00:02:03.4"));
 137
 138   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<float>{123.123}}) == SV("00:02:03"));
 139
 140   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<double, std::deca>{-366.5}}) ==
 141          SV("-01:01:05"));
 142   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<double, std::hecto>{-72.64}}) ==
 143          SV("-02:01:04"));
 144   assert(stream_ja_JP_locale<CharT>(std::chrono::hh_mm_ss{std::chrono::duration<double, std::kilo>{-86}}) ==
 145          SV("-23:53:20"));
 146 }
 147
 148 int main(int, char**) {
 149   test<char>();
 150
 151 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
 152   test<wchar_t>();
 153 #endif
 154
 155   return 0;
 156 }