91 lines · 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-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710// UNSUPPORTED: no-localization11// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME12 13// TODO FMT This test should not require std::to_chars(floating-point)14// XFAIL: availability-fp_to_chars-missing15 16// REQUIRES: locale.fr_FR.UTF-817// REQUIRES: locale.ja_JP.UTF-818 19// <chrono>20// class day;21 22// template<class charT, class traits>23// basic_ostream<charT, traits>&24// operator<<(basic_ostream<charT, traits>& os, const day& d);25 26#include <chrono>27#include <cassert>28#include <sstream>29 30#include "make_string.h"31#include "platform_support.h" // locale name macros32#include "test_macros.h"33 34#define SV(S) MAKE_STRING_VIEW(CharT, S)35 36template <class CharT>37static std::basic_string<CharT> stream_c_locale(std::chrono::day day) {38 std::basic_stringstream<CharT> sstr;39 sstr << day;40 return sstr.str();41}42 43template <class CharT>44static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::day day) {45 std::basic_stringstream<CharT> sstr;46 const std::locale locale(LOCALE_fr_FR_UTF_8);47 sstr.imbue(locale);48 sstr << day;49 return sstr.str();50}51 52template <class CharT>53static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::day day) {54 std::basic_stringstream<CharT> sstr;55 const std::locale locale(LOCALE_ja_JP_UTF_8);56 sstr.imbue(locale);57 sstr << day;58 return sstr.str();59}60 61template <class CharT>62static void test() {63 using namespace std::literals::chrono_literals;64 65 assert(stream_c_locale<CharT>(0d) == SV("00 is not a valid day"));66 assert(stream_c_locale<CharT>(1d) == SV("01"));67 assert(stream_c_locale<CharT>(31d) == SV("31"));68 assert(stream_c_locale<CharT>(255d) == SV("255 is not a valid day"));69 70 assert(stream_fr_FR_locale<CharT>(0d) == SV("00 is not a valid day"));71 assert(stream_fr_FR_locale<CharT>(1d) == SV("01"));72 assert(stream_fr_FR_locale<CharT>(31d) == SV("31"));73 assert(stream_fr_FR_locale<CharT>(255d) == SV("255 is not a valid day"));74 75 assert(stream_ja_JP_locale<CharT>(0d) == SV("00 is not a valid day"));76 assert(stream_ja_JP_locale<CharT>(1d) == SV("01"));77 assert(stream_ja_JP_locale<CharT>(31d) == SV("31"));78 assert(stream_ja_JP_locale<CharT>(255d) == SV("255 is not a valid day"));79}80 81int main(int, char**) {82 using namespace std::literals::chrono_literals;83 84 test<char>();85#ifndef TEST_HAS_NO_WIDE_CHARACTERS86 test<wchar_t>();87#endif88 89 return 0;90}91