libcxx/test/std/time/time.cal/time.cal.year/time.cal.year.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 // 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 // class year;
  21
  22 // template<class charT, class traits>
  23 //   basic_ostream<charT, traits>&
  24 //     operator<<(basic_ostream<charT, traits>& os, const year& year);
  25
  26 #include <chrono>
  27 #include <cassert>
  28 #include <sstream>
  29
  30 #include "make_string.h"
  31 #include "platform_support.h" // locale name macros
  32 #include "test_macros.h"
  33 #include "assert_macros.h"
  34 #include "concat_macros.h"
  35
  36 #define SV(S) MAKE_STRING_VIEW(CharT, S)
  37
  38 #define TEST_EQUAL(OUT, EXPECTED)                                                                                      \
  39   TEST_REQUIRE(OUT == EXPECTED,                                                                                        \
  40                TEST_WRITE_CONCATENATED(                                                                                \
  41                    "\nExpression      ", #OUT, "\nExpected output ", EXPECTED, "\nActual output   ", OUT, '\n'));
  42
  43 template <class CharT>
  44 static std::basic_string<CharT> stream_c_locale(std::chrono::year year) {
  45   std::basic_stringstream<CharT> sstr;
  46   sstr << year;
  47   return sstr.str();
  48 }
  49
  50 template <class CharT>
  51 static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::year year) {
  52   std::basic_stringstream<CharT> sstr;
  53   const std::locale locale(LOCALE_fr_FR_UTF_8);
  54   sstr.imbue(locale);
  55   sstr << year;
  56   return sstr.str();
  57 }
  58
  59 template <class CharT>
  60 static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::year year) {
  61   std::basic_stringstream<CharT> sstr;
  62   const std::locale locale(LOCALE_ja_JP_UTF_8);
  63   sstr.imbue(locale);
  64   sstr << year;
  65   return sstr.str();
  66 }
  67
  68 template <class CharT>
  69 static void test() {
  70   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{-32'768}), SV("-32768 is not a valid year"));
  71   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{-32'767}), SV("-32767"));
  72   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{0}), SV("0000"));
  73   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{1970}), SV("1970"));
  74   TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{32'767}), SV("32767"));
  75
  76   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{-32'768}), SV("-32768 is not a valid year"));
  77   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{-32'767}), SV("-32767"));
  78   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{0}), SV("0000"));
  79   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{1970}), SV("1970"));
  80   TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{32'767}), SV("32767"));
  81
  82   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{-32'768}), SV("-32768 is not a valid year"));
  83   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{-32'767}), SV("-32767"));
  84   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{0}), SV("0000"));
  85   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{1970}), SV("1970"));
  86   TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{32'767}), SV("32767"));
  87 }
  88
  89 int main(int, char**) {
  90   test<char>();
  91
  92 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
  93   test<wchar_t>();
  94 #endif
  95
  96   return 0;
  97 }