aca829de13
Implements parts of: - P0355 Extending <chrono> to Calendars and Time Zones - P1361 Integration of chrono with text formatting - LWG3359 <chrono> leap second support should allow for negative leap seconds
165 lines
7.4 KiB
C++
165 lines
7.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// REQUIRES: std-at-least-c++20
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// UNSUPPORTED: no-filesystem, no-localization, no-tzdb
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// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
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// TODO FMT This test should not require std::to_chars(floating-point)
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// XFAIL: availability-fp_to_chars-missing
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// XFAIL: libcpp-has-no-experimental-tzdb
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// XFAIL: availability-tzdb-missing
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// REQUIRES: locale.fr_FR.UTF-8
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// REQUIRES: locale.ja_JP.UTF-8
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// <chrono>
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// class tai_clock;
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// template<class charT, class traits, class Duration>
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// basic_ostream<charT, traits>&
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// operator<<(basic_ostream<charT, traits>& os, const tai_time<Duration>& tp);
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#include <chrono>
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#include <cassert>
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#include <ratio>
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#include <sstream>
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#include "make_string.h"
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#include "platform_support.h" // locale name macros
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#include "test_macros.h"
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#define SV(S) MAKE_STRING_VIEW(CharT, S)
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template <class CharT, class Duration>
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static std::basic_string<CharT> stream_c_locale(std::chrono::tai_time<Duration> time_point) {
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std::basic_stringstream<CharT> sstr;
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sstr << std::fixed << time_point;
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return sstr.str();
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}
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template <class CharT, class Duration>
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static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::tai_time<Duration> time_point) {
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std::basic_stringstream<CharT> sstr;
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const std::locale locale(LOCALE_fr_FR_UTF_8);
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sstr.imbue(locale);
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sstr << std::fixed << time_point;
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return sstr.str();
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}
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template <class CharT, class Duration>
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static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::tai_time<Duration> time_point) {
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std::basic_stringstream<CharT> sstr;
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const std::locale locale(LOCALE_ja_JP_UTF_8);
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sstr.imbue(locale);
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sstr << std::fixed << time_point;
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return sstr.str();
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}
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template <class CharT>
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static void test_c() {
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using namespace std::literals::chrono_literals;
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namespace cr = std::chrono;
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assert(stream_c_locale<CharT>(cr::tai_time<cr::nanoseconds>{946'688'523'123'456'789ns}) ==
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SV("1988-01-01 01:02:03.123456789"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::microseconds>{946'688'523'123'456us}) ==
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SV("1988-01-01 01:02:03.123456"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::milliseconds>{946'684'822'123ms}) == SV("1988-01-01 00:00:22.123"));
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assert(stream_c_locale<CharT>(cr::tai_seconds{1'234'567'890s}) == SV("1997-02-13 23:31:30"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::minutes>{20'576'131min}) == SV("1997-02-13 23:31:00"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::hours>{342'935h}) == SV("1997-02-13 23:00:00"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<signed char, std::ratio<2, 1>>>{
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cr::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1958-01-01 00:02:00"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<short, std::ratio<1, 2>>>{
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cr::duration<short, std::ratio<1, 2>>{3600}}) == SV("1958-01-01 00:30:00.0"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<int, std::ratio<1, 4>>>{
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cr::duration<int, std::ratio<1, 4>>{3600}}) == SV("1958-01-01 00:15:00.00"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<long, std::ratio<1, 10>>>{
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cr::duration<long, std::ratio<1, 10>>{36611}}) == SV("1958-01-01 01:01:01.1"));
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assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<long long, std::ratio<1, 100>>>{
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cr::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("1997-02-13 23:31:30.10"));
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}
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template <class CharT>
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static void test_fr_FR() {
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using namespace std::literals::chrono_literals;
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namespace cr = std::chrono;
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::nanoseconds>{946'688'523'123'456'789ns}) ==
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SV("1988-01-01 01:02:03,123456789"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::microseconds>{946'688'523'123'456us}) ==
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SV("1988-01-01 01:02:03,123456"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::milliseconds>{946'684'822'123ms}) ==
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SV("1988-01-01 00:00:22,123"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_seconds{1'234'567'890s}) == SV("1997-02-13 23:31:30"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::minutes>{20'576'131min}) == SV("1997-02-13 23:31:00"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::hours>{342'935h}) == SV("1997-02-13 23:00:00"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<signed char, std::ratio<2, 1>>>{
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cr::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1958-01-01 00:02:00"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<short, std::ratio<1, 2>>>{
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cr::duration<short, std::ratio<1, 2>>{3600}}) == SV("1958-01-01 00:30:00,0"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<int, std::ratio<1, 4>>>{
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cr::duration<int, std::ratio<1, 4>>{3600}}) == SV("1958-01-01 00:15:00,00"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<long, std::ratio<1, 10>>>{
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cr::duration<long, std::ratio<1, 10>>{36611}}) == SV("1958-01-01 01:01:01,1"));
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assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<long long, std::ratio<1, 100>>>{
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cr::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("1997-02-13 23:31:30,10"));
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}
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template <class CharT>
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static void test_ja_JP() {
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using namespace std::literals::chrono_literals;
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namespace cr = std::chrono;
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::nanoseconds>{946'688'523'123'456'789ns}) ==
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SV("1988-01-01 01:02:03.123456789"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::microseconds>{946'688'523'123'456us}) ==
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SV("1988-01-01 01:02:03.123456"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::milliseconds>{946'684'822'123ms}) ==
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SV("1988-01-01 00:00:22.123"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_seconds{1'234'567'890s}) == SV("1997-02-13 23:31:30"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::minutes>{20'576'131min}) == SV("1997-02-13 23:31:00"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::hours>{342'935h}) == SV("1997-02-13 23:00:00"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<signed char, std::ratio<2, 1>>>{
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cr::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1958-01-01 00:02:00"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<short, std::ratio<1, 2>>>{
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cr::duration<short, std::ratio<1, 2>>{3600}}) == SV("1958-01-01 00:30:00.0"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<int, std::ratio<1, 4>>>{
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cr::duration<int, std::ratio<1, 4>>{3600}}) == SV("1958-01-01 00:15:00.00"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<long, std::ratio<1, 10>>>{
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cr::duration<long, std::ratio<1, 10>>{36611}}) == SV("1958-01-01 01:01:01.1"));
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assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<long long, std::ratio<1, 100>>>{
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cr::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("1997-02-13 23:31:30.10"));
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}
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template <class CharT>
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static void test() {
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test_c<CharT>();
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test_fr_FR<CharT>();
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test_ja_JP<CharT>();
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}
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int main(int, char**) {
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test<char>();
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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test<wchar_t>();
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#endif
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return 0;
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}
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