812963f6aa
The formatting of years has been done manually since the results of %Y outside the "typical" range may produce unexpected values. The same applies to %F which is identical to %Y-%m-%d. None of these conversion specifiers is affected by the locale used. So it's trivial to manually handle this case. This removes several platform specific ifdefs from the tests.
142 lines
6.1 KiB
C++
142 lines
6.1 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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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// UNSUPPORTED: no-localization
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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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// 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 system_Clock;
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// template<class charT, class traits>
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// basic_ostream<charT, traits>&
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// operator<<(basic_ostream<charT, traits>& os, const sys_days& dp);
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#include <cassert>
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#include <chrono>
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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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#include "assert_macros.h"
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#include "concat_macros.h"
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#define SV(S) MAKE_STRING_VIEW(CharT, S)
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#define TEST_EQUAL(OUT, EXPECTED) \
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TEST_REQUIRE(OUT == EXPECTED, \
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TEST_WRITE_CONCATENATED( \
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"\nExpression ", #OUT, "\nExpected output ", EXPECTED, "\nActual output ", OUT, '\n'));
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template <class CharT>
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static std::basic_string<CharT> stream_c_locale(const std::chrono::sys_days& dp) {
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std::basic_stringstream<CharT> sstr;
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sstr << dp;
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return sstr.str();
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}
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template <class CharT>
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static std::basic_string<CharT> stream_fr_FR_locale(const std::chrono::sys_days& dp) {
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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 << dp;
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return sstr.str();
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}
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template <class CharT>
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static std::basic_string<CharT> stream_ja_JP_locale(const std::chrono::sys_days& dp) {
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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 << dp;
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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() {
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TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{-32'768}, std::chrono::month{1}, std::chrono::day{1}}}),
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SV("-32768-01-01 is not a valid date"));
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TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{1970}, std::chrono::month{1}, std::chrono::day{1}}}),
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SV("1970-01-01"));
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TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{2000}, std::chrono::month{2}, std::chrono::day{29}}}),
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SV("2000-02-29"));
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TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
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SV("32767-12-31"));
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// multiples of days are considered days.
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TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{3}}),
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SV("1970-01-22"));
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TEST_EQUAL(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<30 * 86400>>>{
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std::chrono::duration<int, std::ratio<30 * 86400>>{1}}),
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SV("1970-01-31"));
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TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{-32'768}, std::chrono::month{1}, std::chrono::day{1}}}),
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SV("-32768-01-01 is not a valid date"));
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TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{1970}, std::chrono::month{1}, std::chrono::day{1}}}),
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SV("1970-01-01"));
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TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{2000}, std::chrono::month{2}, std::chrono::day{29}}}),
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SV("2000-02-29"));
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TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
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SV("32767-12-31"));
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// multiples of days are considered days.
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TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{3}}),
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SV("1970-01-22"));
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TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<30 * 86400>>>{
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std::chrono::duration<int, std::ratio<30 * 86400>>{1}}),
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SV("1970-01-31"));
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TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{-32'768}, std::chrono::month{1}, std::chrono::day{1}}}),
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SV("-32768-01-01 is not a valid date"));
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TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{1970}, std::chrono::month{1}, std::chrono::day{1}}}),
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SV("1970-01-01"));
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TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{2000}, std::chrono::month{2}, std::chrono::day{29}}}),
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SV("2000-02-29"));
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TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_days{
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std::chrono::year_month_day{std::chrono::year{32'767}, std::chrono::month{12}, std::chrono::day{31}}}),
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SV("32767-12-31"));
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// multiples of days are considered days.
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TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::weeks>{std::chrono::weeks{3}}),
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SV("1970-01-22"));
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TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::duration<int, std::ratio<30 * 86400>>>{
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std::chrono::duration<int, std::ratio<30 * 86400>>{1}}),
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SV("1970-01-31"));
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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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