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-filesystem, no-localization, no-tzdb
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// XFAIL: libcpp-has-no-experimental-tzdb
17// XFAIL: availability-tzdb-missing
18
19// REQUIRES: locale.fr_FR.UTF-8
20// REQUIRES: locale.ja_JP.UTF-8
21
22// <chrono>
23
24// using utc_time = ...;
25
26// template<class charT, class traits, class Duration>
27// basic_ostream<charT, traits>&
28// operator<<(basic_ostream<charT, traits>& os, const utc_time<Duration>& tp);
29
30#include <chrono>
31#include <cassert>
32#include <ratio>
33#include <sstream>
34
35#include "make_string.h"
36#include "platform_support.h" // locale name macros
37#include "test_macros.h"
38
39#define SV(S) MAKE_STRING_VIEW(CharT, S)
40
41template <class CharT, class Duration>
42static std::basic_string<CharT> stream_c_locale(std::chrono::utc_time<Duration> time_point) {
43 std::basic_stringstream<CharT> sstr;
44 sstr << std::fixed << time_point;
45 return sstr.str();
46}
47
48template <class CharT, class Duration>
49static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::utc_time<Duration> time_point) {
50 std::basic_stringstream<CharT> sstr;
51 const std::locale locale(LOCALE_fr_FR_UTF_8);
52 sstr.imbue(locale);
53 sstr << std::fixed << time_point;
54 return sstr.str();
55}
56
57template <class CharT, class Duration>
58static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::utc_time<Duration> time_point) {
59 std::basic_stringstream<CharT> sstr;
60 const std::locale locale(LOCALE_ja_JP_UTF_8);
61 sstr.imbue(locale);
62 sstr << std::fixed << time_point;
63 return sstr.str();
64}
65
66template <class CharT>
67static void test_c() {
68 using namespace std::literals::chrono_literals;
69
70 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
71 SV("2000-01-01 01:01:41.123456789"));
72 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
73 SV("2000-01-01 01:01:41.123456"));
74
75 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::milliseconds>{946'684'822'123ms}) ==
76 SV("2000-01-01 00:00:00.123"));
77 assert(stream_c_locale<CharT>(std::chrono::utc_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:06"));
78 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::minutes>{20'576'131min}) ==
79 SV("2009-02-13 23:30:36"));
80 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 22:59:36"));
81
82 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
83 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
84 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::duration<short, std::ratio<1, 2>>>{
85 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
86 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::duration<int, std::ratio<1, 4>>>{
87 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
88 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::duration<long, std::ratio<1, 10>>>{
89 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
90 assert(stream_c_locale<CharT>(std::chrono::utc_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
91 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:06.10"));
92}
93
94template <class CharT>
95static void test_fr_FR() {
96 using namespace std::literals::chrono_literals;
97
98 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
99 SV("2000-01-01 01:01:41,123456789"));
100 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
101 SV("2000-01-01 01:01:41,123456"));
102
103 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::milliseconds>{946'684'822'123ms}) ==
104 SV("2000-01-01 00:00:00,123"));
105 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:06"));
106 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::minutes>{20'576'131min}) ==
107 SV("2009-02-13 23:30:36"));
108 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 22:59:36"));
109
110 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
111 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
112 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::duration<short, std::ratio<1, 2>>>{
113 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00,0"));
114 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::duration<int, std::ratio<1, 4>>>{
115 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00,00"));
116 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::duration<long, std::ratio<1, 10>>>{
117 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01,1"));
118 assert(stream_fr_FR_locale<CharT>(std::chrono::utc_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
119 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:06,10"));
120}
121
122template <class CharT>
123static void test_ja_JP() {
124 using namespace std::literals::chrono_literals;
125
126 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
127 SV("2000-01-01 01:01:41.123456789"));
128 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
129 SV("2000-01-01 01:01:41.123456"));
130
131 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::milliseconds>{946'684'822'123ms}) ==
132 SV("2000-01-01 00:00:00.123"));
133 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:06"));
134 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::minutes>{20'576'131min}) ==
135 SV("2009-02-13 23:30:36"));
136 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 22:59:36"));
137
138 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
139 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
140 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::duration<short, std::ratio<1, 2>>>{
141 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
142 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::duration<int, std::ratio<1, 4>>>{
143 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
144 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::duration<long, std::ratio<1, 10>>>{
145 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
146 assert(stream_ja_JP_locale<CharT>(std::chrono::utc_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
147 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:06.10"));
148}
149
150template <class CharT>
151static void test() {
152 test_c<CharT>();
153 test_fr_FR<CharT>();
154 test_ja_JP<CharT>();
155}
156
157int main(int, char**) {
158 test<char>();
159
160#ifndef TEST_HAS_NO_WIDE_CHARACTERS
161 test<wchar_t>();
162#endif
163
164 return 0;
165}
166

source code of libcxx/test/std/time/time.clock/time.clock.utc/utc_time.ostream.pass.cpp