//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// UNSUPPORTED: no-localization
// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
// TODO FMT This test should not require std::to_chars(floating-point)
// XFAIL: availability-fp_to_chars-missing
// REQUIRES: locale.fr_FR.UTF-8
// REQUIRES: locale.ja_JP.UTF-8
// <chrono>
// class local_t;
// template<class charT, class traits, class Duration>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os, const local_time<Duration>& tp);
#include <chrono>
#include <cassert>
#include <ratio>
#include <sstream>
#include "make_string.h"
#include "platform_support.h" // locale name macros
#include "test_macros.h"
#define SV(S) MAKE_STRING_VIEW(CharT, S)
template <class CharT, class Duration>
static std::basic_string<CharT> stream_c_locale(std::chrono::local_time<Duration> time_point) {
std::basic_stringstream<CharT> sstr;
sstr << std::fixed << time_point;
return sstr.str();
}
template <class CharT, class Duration>
static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::local_time<Duration> time_point) {
std::basic_stringstream<CharT> sstr;
const std::locale locale(LOCALE_fr_FR_UTF_8);
sstr.imbue(locale);
sstr << std::fixed << time_point;
return sstr.str();
}
template <class CharT, class Duration>
static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::local_time<Duration> time_point) {
std::basic_stringstream<CharT> sstr;
const std::locale locale(LOCALE_ja_JP_UTF_8);
sstr.imbue(locale);
sstr << std::fixed << time_point;
return sstr.str();
}
template <class CharT>
static void test_c() {
using namespace std::literals::chrono_literals;
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
SV("1940-01-01 22:57:56.876543211"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
SV("1940-01-01 22:57:56.876544"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
SV("1940-01-01 22:57:56.877"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-1ns}) ==
SV("1969-12-31 23:59:59.999999999"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{0ns}) ==
SV("1970-01-01 00:00:00.000000000"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{1ns}) ==
SV("1970-01-01 00:00:00.000000001"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
SV("2000-01-01 01:02:03.123456789"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
SV("2000-01-01 01:02:03.123456"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
SV("2000-01-01 00:00:00.123"));
assert(stream_c_locale<CharT>(std::chrono::local_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::minutes>{20'576'131min}) ==
SV("2009-02-13 23:31:00"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
// These switch to sys_day formatter, which omits the time.
assert(stream_c_locale<CharT>(std::chrono::local_days{std::chrono::days{14'288}}) == SV("2009-02-13"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
SV("2009-02-12"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<short, std::ratio<1, 2>>>{
std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<int, std::ratio<1, 4>>>{
std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<long, std::ratio<1, 10>>>{
std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
}
template <class CharT>
static void test_fr_FR() {
using namespace std::literals::chrono_literals;
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
SV("1940-01-01 22:57:56,876543211"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
SV("1940-01-01 22:57:56,876544"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
SV("1940-01-01 22:57:56,877"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-1ns}) ==
SV("1969-12-31 23:59:59,999999999"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{0ns}) ==
SV("1970-01-01 00:00:00,000000000"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{1ns}) ==
SV("1970-01-01 00:00:00,000000001"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
SV("2000-01-01 01:02:03,123456789"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
SV("2000-01-01 01:02:03,123456"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
SV("2000-01-01 00:00:00,123"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::minutes>{20'576'131min}) ==
SV("2009-02-13 23:31:00"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::hours>{342'935h}) ==
SV("2009-02-13 23:00:00"));
// These switch to sys_day formatter, which omits the time.
assert(stream_fr_FR_locale<CharT>(std::chrono::local_days{std::chrono::days{14'288}}) == SV("2009-02-13"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
SV("2009-02-12"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<short, std::ratio<1, 2>>>{
std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00,0"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<int, std::ratio<1, 4>>>{
std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00,00"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<long, std::ratio<1, 10>>>{
std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01,1"));
assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30,10"));
}
template <class CharT>
static void test_ja_JP() {
using namespace std::literals::chrono_literals;
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
SV("1940-01-01 22:57:56.876543211"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
SV("1940-01-01 22:57:56.876544"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
SV("1940-01-01 22:57:56.877"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-1ns}) ==
SV("1969-12-31 23:59:59.999999999"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{0ns}) ==
SV("1970-01-01 00:00:00.000000000"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{1ns}) ==
SV("1970-01-01 00:00:00.000000001"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
SV("2000-01-01 01:02:03.123456789"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
SV("2000-01-01 01:02:03.123456"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
SV("2000-01-01 00:00:00.123"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::minutes>{20'576'131min}) ==
SV("2009-02-13 23:31:00"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::hours>{342'935h}) ==
SV("2009-02-13 23:00:00"));
// These switch to sys_day formatter, which omits the time.
assert(stream_ja_JP_locale<CharT>(std::chrono::local_days{std::chrono::days{14'288}}) == SV("2009-02-13"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
SV("2009-02-12"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<short, std::ratio<1, 2>>>{
std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<int, std::ratio<1, 4>>>{
std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<long, std::ratio<1, 10>>>{
std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
}
template <class CharT>
static void test() {
test_c<CharT>();
test_fr_FR<CharT>();
test_ja_JP<CharT>();
}
int main(int, char**) {
test<char>();
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
test<wchar_t>();
#endif
return 0;
}