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// REQUIRES: std-at-least-c++20
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// class tai_clock;
25
26// template<class charT, class traits, class Duration>
27// basic_ostream<charT, traits>&
28// operator<<(basic_ostream<charT, traits>& os, const tai_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::tai_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::tai_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::tai_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 namespace cr = std::chrono;
70
71 assert(stream_c_locale<CharT>(cr::tai_time<cr::nanoseconds>{946'688'523'123'456'789ns}) ==
72 SV("1988-01-01 01:02:03.123456789"));
73 assert(stream_c_locale<CharT>(cr::tai_time<cr::microseconds>{946'688'523'123'456us}) ==
74 SV("1988-01-01 01:02:03.123456"));
75
76 assert(stream_c_locale<CharT>(cr::tai_time<cr::milliseconds>{946'684'822'123ms}) == SV("1988-01-01 00:00:22.123"));
77 assert(stream_c_locale<CharT>(cr::tai_seconds{1'234'567'890s}) == SV("1997-02-13 23:31:30"));
78 assert(stream_c_locale<CharT>(cr::tai_time<cr::minutes>{20'576'131min}) == SV("1997-02-13 23:31:00"));
79 assert(stream_c_locale<CharT>(cr::tai_time<cr::hours>{342'935h}) == SV("1997-02-13 23:00:00"));
80
81 assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<signed char, std::ratio<2, 1>>>{
82 cr::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1958-01-01 00:02:00"));
83 assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<short, std::ratio<1, 2>>>{
84 cr::duration<short, std::ratio<1, 2>>{3600}}) == SV("1958-01-01 00:30:00.0"));
85 assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<int, std::ratio<1, 4>>>{
86 cr::duration<int, std::ratio<1, 4>>{3600}}) == SV("1958-01-01 00:15:00.00"));
87 assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<long, std::ratio<1, 10>>>{
88 cr::duration<long, std::ratio<1, 10>>{36611}}) == SV("1958-01-01 01:01:01.1"));
89 assert(stream_c_locale<CharT>(cr::tai_time<cr::duration<long long, std::ratio<1, 100>>>{
90 cr::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("1997-02-13 23:31:30.10"));
91}
92
93template <class CharT>
94static void test_fr_FR() {
95 using namespace std::literals::chrono_literals;
96 namespace cr = std::chrono;
97
98 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::nanoseconds>{946'688'523'123'456'789ns}) ==
99 SV("1988-01-01 01:02:03,123456789"));
100 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::microseconds>{946'688'523'123'456us}) ==
101 SV("1988-01-01 01:02:03,123456"));
102
103 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::milliseconds>{946'684'822'123ms}) ==
104 SV("1988-01-01 00:00:22,123"));
105 assert(stream_fr_FR_locale<CharT>(cr::tai_seconds{1'234'567'890s}) == SV("1997-02-13 23:31:30"));
106 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::minutes>{20'576'131min}) == SV("1997-02-13 23:31:00"));
107 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::hours>{342'935h}) == SV("1997-02-13 23:00:00"));
108
109 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<signed char, std::ratio<2, 1>>>{
110 cr::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1958-01-01 00:02:00"));
111 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<short, std::ratio<1, 2>>>{
112 cr::duration<short, std::ratio<1, 2>>{3600}}) == SV("1958-01-01 00:30:00,0"));
113 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<int, std::ratio<1, 4>>>{
114 cr::duration<int, std::ratio<1, 4>>{3600}}) == SV("1958-01-01 00:15:00,00"));
115 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<long, std::ratio<1, 10>>>{
116 cr::duration<long, std::ratio<1, 10>>{36611}}) == SV("1958-01-01 01:01:01,1"));
117 assert(stream_fr_FR_locale<CharT>(cr::tai_time<cr::duration<long long, std::ratio<1, 100>>>{
118 cr::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("1997-02-13 23:31:30,10"));
119}
120
121template <class CharT>
122static void test_ja_JP() {
123 using namespace std::literals::chrono_literals;
124 namespace cr = std::chrono;
125
126 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::nanoseconds>{946'688'523'123'456'789ns}) ==
127 SV("1988-01-01 01:02:03.123456789"));
128 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::microseconds>{946'688'523'123'456us}) ==
129 SV("1988-01-01 01:02:03.123456"));
130
131 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::milliseconds>{946'684'822'123ms}) ==
132 SV("1988-01-01 00:00:22.123"));
133 assert(stream_ja_JP_locale<CharT>(cr::tai_seconds{1'234'567'890s}) == SV("1997-02-13 23:31:30"));
134 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::minutes>{20'576'131min}) == SV("1997-02-13 23:31:00"));
135 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::hours>{342'935h}) == SV("1997-02-13 23:00:00"));
136
137 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<signed char, std::ratio<2, 1>>>{
138 cr::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1958-01-01 00:02:00"));
139 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<short, std::ratio<1, 2>>>{
140 cr::duration<short, std::ratio<1, 2>>{3600}}) == SV("1958-01-01 00:30:00.0"));
141 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<int, std::ratio<1, 4>>>{
142 cr::duration<int, std::ratio<1, 4>>{3600}}) == SV("1958-01-01 00:15:00.00"));
143 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<long, std::ratio<1, 10>>>{
144 cr::duration<long, std::ratio<1, 10>>{36611}}) == SV("1958-01-01 01:01:01.1"));
145 assert(stream_ja_JP_locale<CharT>(cr::tai_time<cr::duration<long long, std::ratio<1, 100>>>{
146 cr::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("1997-02-13 23:31:30.10"));
147}
148
149template <class CharT>
150static void test() {
151 test_c<CharT>();
152 test_fr_FR<CharT>();
153 test_ja_JP<CharT>();
154}
155
156int main(int, char**) {
157 test<char>();
158
159#ifndef TEST_HAS_NO_WIDE_CHARACTERS
160 test<wchar_t>();
161#endif
162
163 return 0;
164}
165

source code of libcxx/test/std/time/time.clock/time.clock.tai/tai_time.ostream.pass.cpp