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-localization
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// REQUIRES: locale.fr_FR.UTF-8
17// REQUIRES: locale.ja_JP.UTF-8
18
19// <chrono>
20
21// class system_clock;
22
23// template<class charT, class traits, class Duration>
24// basic_ostream<charT, traits>&
25// operator<<(basic_ostream<charT, traits>& os, const sys_time<Duration>& tp);
26
27#include <chrono>
28#include <cassert>
29#include <ratio>
30#include <sstream>
31
32#include "make_string.h"
33#include "platform_support.h" // locale name macros
34#include "test_macros.h"
35
36#define SV(S) MAKE_STRING_VIEW(CharT, S)
37
38// Modeled after the system clock's usings, this make adapating the
39// tests easier.
40template <class Duration>
41using file_time = std::chrono::time_point<std::chrono::file_clock, Duration>;
42using file_seconds = file_time<std::chrono::seconds>;
43using file_days = file_time<std::chrono::days>;
44
45template <class CharT, class Duration>
46static std::basic_string<CharT> stream_c_locale(file_time<Duration> time_point) {
47 std::basic_stringstream<CharT> sstr;
48 sstr << std::fixed << time_point;
49 return sstr.str();
50}
51
52template <class CharT, class Duration>
53static std::basic_string<CharT> stream_fr_FR_locale(file_time<Duration> time_point) {
54 std::basic_stringstream<CharT> sstr;
55 const std::locale locale(LOCALE_fr_FR_UTF_8);
56 sstr.imbue(locale);
57 sstr << std::fixed << time_point;
58 return sstr.str();
59}
60
61template <class CharT, class Duration>
62static std::basic_string<CharT> stream_ja_JP_locale(file_time<Duration> time_point) {
63 std::basic_stringstream<CharT> sstr;
64 const std::locale locale(LOCALE_ja_JP_UTF_8);
65 sstr.imbue(locale);
66 sstr << std::fixed << time_point;
67 return sstr.str();
68}
69
70template <class CharT>
71static void test_c() {
72 using namespace std::literals::chrono_literals;
73
74 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
75 SV("1940-01-01 22:57:56.876543211"));
76
77 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
78 SV("1940-01-01 22:57:56.876544"));
79
80 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
81 SV("1940-01-01 22:57:56.877"));
82
83 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1000000000ns}) ==
84 SV("1969-12-31 23:59:59.000000000"));
85
86 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-1000000us}) ==
87 SV("1969-12-31 23:59:59.000000"));
88
89 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-1000ms}) ==
90 SV("1969-12-31 23:59:59.000"));
91
92 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1ns}) ==
93 SV("1969-12-31 23:59:59.999999999"));
94
95 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{0ns}) ==
96 SV("1970-01-01 00:00:00.000000000"));
97
98 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1ns}) ==
99 SV("1970-01-01 00:00:00.000000001"));
100
101 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1000000000ns}) ==
102 SV("1970-01-01 00:00:01.000000000"));
103
104 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{1000000us}) ==
105 SV("1970-01-01 00:00:01.000000"));
106
107 assert(stream_c_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{1000ms}) ==
108 SV("1970-01-01 00:00:01.000"));
109
110 assert(stream_c_locale<CharT>(file_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
111 SV("2000-01-01 01:02:03.123456789"));
112
113 assert(stream_c_locale<CharT>(file_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
114 SV("2000-01-01 01:02:03.123456"));
115
116 assert(stream_c_locale<CharT>(file_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
117 SV("2000-01-01 00:00:00.123"));
118 assert(stream_c_locale<CharT>(file_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
119 assert(stream_c_locale<CharT>(file_time<std::chrono::minutes>{20'576'131min}) == SV("2009-02-13 23:31:00"));
120 assert(stream_c_locale<CharT>(file_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
121 assert(stream_c_locale<CharT>(file_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
122 assert(stream_c_locale<CharT>(file_time<std::chrono::weeks>{std::chrono::weeks{2041}}) == SV("2009-02-12 00:00:00"));
123
124 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
125 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
126 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<short, std::ratio<1, 2>>>{
127 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
128 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<int, std::ratio<1, 4>>>{
129 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
130 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<long, std::ratio<1, 10>>>{
131 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
132 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
133 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
134
135 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<float, std::ratio<1, 1>>>{
136 std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
137 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<double, std::ratio<1, 10>>>{
138 std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12.3"));
139 assert(stream_c_locale<CharT>(file_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
140 std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01.23"));
141}
142
143template <class CharT>
144static void test_fr_FR() {
145 using namespace std::literals::chrono_literals;
146
147 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
148 SV("1940-01-01 22:57:56,876543211"));
149
150 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
151 SV("1940-01-01 22:57:56,876544"));
152
153 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
154 SV("1940-01-01 22:57:56,877"));
155
156 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1000000000ns}) ==
157 SV("1969-12-31 23:59:59,000000000"));
158
159 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-1000000us}) ==
160 SV("1969-12-31 23:59:59,000000"));
161
162 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-1000ms}) ==
163 SV("1969-12-31 23:59:59,000"));
164
165 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1ns}) ==
166 SV("1969-12-31 23:59:59,999999999"));
167
168 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{0ns}) ==
169 SV("1970-01-01 00:00:00,000000000"));
170
171 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1ns}) ==
172 SV("1970-01-01 00:00:00,000000001"));
173
174 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1000000000ns}) ==
175 SV("1970-01-01 00:00:01,000000000"));
176
177 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{1000000us}) ==
178 SV("1970-01-01 00:00:01,000000"));
179
180 assert(stream_fr_FR_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{1000ms}) ==
181 SV("1970-01-01 00:00:01,000"));
182
183 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
184 SV("2000-01-01 01:02:03,123456789"));
185 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
186 SV("2000-01-01 01:02:03,123456"));
187
188 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
189 SV("2000-01-01 00:00:00,123"));
190 assert(stream_fr_FR_locale<CharT>(file_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
191 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::minutes>{20'576'131min}) == SV("2009-02-13 23:31:00"));
192 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
193 assert(stream_fr_FR_locale<CharT>(file_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
194 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
195 SV("2009-02-12 00:00:00"));
196
197 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
198 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
199 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<short, std::ratio<1, 2>>>{
200 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00,0"));
201 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<int, std::ratio<1, 4>>>{
202 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00,00"));
203 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<long, std::ratio<1, 10>>>{
204 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01,1"));
205 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
206 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30,10"));
207
208 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<float, std::ratio<1, 1>>>{
209 std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
210 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<double, std::ratio<1, 10>>>{
211 std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12,3"));
212 assert(stream_fr_FR_locale<CharT>(file_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
213 std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01,23"));
214}
215
216template <class CharT>
217static void test_ja_JP() {
218 using namespace std::literals::chrono_literals;
219
220 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
221 SV("1940-01-01 22:57:56.876543211"));
222
223 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
224 SV("1940-01-01 22:57:56.876544"));
225
226 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
227 SV("1940-01-01 22:57:56.877"));
228
229 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1000000000ns}) ==
230 SV("1969-12-31 23:59:59.000000000"));
231
232 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{-1000000us}) ==
233 SV("1969-12-31 23:59:59.000000"));
234
235 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{-1000ms}) ==
236 SV("1969-12-31 23:59:59.000"));
237
238 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{-1ns}) ==
239 SV("1969-12-31 23:59:59.999999999"));
240
241 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{0ns}) ==
242 SV("1970-01-01 00:00:00.000000000"));
243
244 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1ns}) ==
245 SV("1970-01-01 00:00:00.000000001"));
246
247 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::nanoseconds>{1000000000ns}) ==
248 SV("1970-01-01 00:00:01.000000000"));
249
250 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::microseconds>{1000000us}) ==
251 SV("1970-01-01 00:00:01.000000"));
252
253 assert(stream_ja_JP_locale<CharT>(std::chrono::file_time<std::chrono::milliseconds>{1000ms}) ==
254 SV("1970-01-01 00:00:01.000"));
255
256 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
257 SV("2000-01-01 01:02:03.123456789"));
258 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
259 SV("2000-01-01 01:02:03.123456"));
260
261 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
262 SV("2000-01-01 00:00:00.123"));
263 assert(stream_ja_JP_locale<CharT>(file_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
264 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::minutes>{20'576'131min}) == SV("2009-02-13 23:31:00"));
265 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
266 assert(stream_ja_JP_locale<CharT>(file_days{std::chrono::days{14'288}}) == SV("2009-02-13 00:00:00"));
267 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
268 SV("2009-02-12 00:00:00"));
269
270 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
271 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
272 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<short, std::ratio<1, 2>>>{
273 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
274 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<int, std::ratio<1, 4>>>{
275 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
276 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<long, std::ratio<1, 10>>>{
277 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
278 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
279 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
280
281 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<float, std::ratio<1, 1>>>{
282 std::chrono::duration<float, std::ratio<1, 1>>{123.456}}) == SV("1970-01-01 00:02:03"));
283 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<double, std::ratio<1, 10>>>{
284 std::chrono::duration<double, std::ratio<1, 10>>{123.456}}) == SV("1970-01-01 00:00:12.3"));
285 assert(stream_ja_JP_locale<CharT>(file_time<std::chrono::duration<long double, std::ratio<1, 100>>>{
286 std::chrono::duration<long double, std::ratio<1, 100>>{123.456}}) == SV("1970-01-01 00:00:01.23"));
287}
288
289template <class CharT>
290static void test() {
291 test_c<CharT>();
292 test_fr_FR<CharT>();
293 test_ja_JP<CharT>();
294}
295
296int main(int, char**) {
297 test<char>();
298
299#ifndef TEST_HAS_NO_WIDE_CHARACTERS
300 test<wchar_t>();
301#endif
302
303 return 0;
304}
305

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