1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
//===----------------------------------------------------------------------===//
//
// 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 system_clock;
// template<class charT, class traits, class Duration>
// basic_ostream<charT, traits>&
// operator<<(basic_ostream<charT, traits>& os, const sys_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::sys_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::sys_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::sys_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::sys_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::sys_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
SV("1940-01-01 22:57:56.876544"));
assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
SV("1940-01-01 22:57:56.877"));
assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{-1ns}) ==
SV("1969-12-31 23:59:59.999999999"));
assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{0ns}) ==
SV("1970-01-01 00:00:00.000000000"));
assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{1ns}) ==
SV("1970-01-01 00:00:00.000000001"));
assert(stream_c_locale<CharT>(std::chrono::sys_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::sys_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
SV("2000-01-01 01:02:03.123456"));
assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
SV("2000-01-01 00:00:00.123"));
assert(stream_c_locale<CharT>(std::chrono::sys_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::minutes>{20'576'131min}) ==
SV("2009-02-13 23:31:00"));
assert(stream_c_locale<CharT>(std::chrono::sys_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
assert(stream_c_locale<CharT>(std::chrono::sys_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::sys_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::sys_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::sys_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::sys_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::sys_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::sys_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::sys_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
SV("1940-01-01 22:57:56,877"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{-1ns}) ==
SV("1969-12-31 23:59:59,999999999"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{0ns}) ==
SV("1970-01-01 00:00:00,000000000"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{1ns}) ==
SV("1970-01-01 00:00:00,000000001"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_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::sys_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::sys_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
SV("2000-01-01 00:00:00,123"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::minutes>{20'576'131min}) ==
SV("2009-02-13 23:31:00"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
assert(stream_fr_FR_locale<CharT>(std::chrono::sys_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::sys_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::sys_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::sys_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::sys_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::sys_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::sys_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::sys_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
SV("1940-01-01 22:57:56.877"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{-1ns}) ==
SV("1969-12-31 23:59:59.999999999"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{0ns}) ==
SV("1970-01-01 00:00:00.000000000"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::nanoseconds>{1ns}) ==
SV("1970-01-01 00:00:00.000000001"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_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::sys_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::sys_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
SV("2000-01-01 00:00:00.123"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::minutes>{20'576'131min}) ==
SV("2009-02-13 23:31:00"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
assert(stream_ja_JP_locale<CharT>(std::chrono::sys_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::sys_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::sys_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::sys_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::sys_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, class T>
concept is_ostreamable = requires(std::basic_ostream<CharT>& os, T const& val) {
{ os << val };
};
template <class CharT>
static void test() {
// Test sys_time's constrains:
// treat_as_floating_point_v<typename Duration::rep> is false, and Duration{1} < days{1} is true.
static_assert(is_ostreamable<CharT, std::chrono::sys_seconds>);
static_assert(is_ostreamable<CharT, std::chrono::sys_time<std::chrono::duration<long long>>>);
// floating-point types
static_assert(!is_ostreamable<CharT, std::chrono::sys_time<std::chrono::duration<float>>>);
static_assert(!is_ostreamable<CharT, std::chrono::sys_time<std::chrono::duration<double>>>);
static_assert(!is_ostreamable<CharT, std::chrono::sys_time<std::chrono::duration<long double>>>);
static_assert(is_ostreamable<CharT, std::chrono::sys_days>);
static_assert(is_ostreamable<CharT, std::chrono::sys_time<std::chrono::duration<int, std::ratio<86400>>>>);
// duration > days{1}
static_assert(!is_ostreamable<CharT, std::chrono::sys_time<std::chrono::duration<int, std::ratio<86401>>>>);
static_assert(!is_ostreamable<CharT, std::chrono::sys_time<std::chrono::months>>);
static_assert(!is_ostreamable<CharT, std::chrono::sys_time<std::chrono::years>>);
// multiple of days are considered days.
static_assert(is_ostreamable<CharT, std::chrono::sys_time<std::chrono::duration<int, std::ratio<3 * 86400>>>>);
static_assert(is_ostreamable<CharT, std::chrono::sys_time<std::chrono::weeks>>);
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;
}
|
