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 local_t;
22
23 // template<class charT, class traits, class Duration>
24 // basic_ostream<charT, traits>&
25 // operator<<(basic_ostream<charT, traits>& os, const local_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 template <class CharT, class Duration>
stream_c_locale(std::chrono::local_time<Duration> time_point)39 static std::basic_string<CharT> stream_c_locale(std::chrono::local_time<Duration> time_point) {
40 std::basic_stringstream<CharT> sstr;
41 sstr << std::fixed << time_point;
42 return sstr.str();
43 }
44
45 template <class CharT, class Duration>
stream_fr_FR_locale(std::chrono::local_time<Duration> time_point)46 static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::local_time<Duration> time_point) {
47 std::basic_stringstream<CharT> sstr;
48 const std::locale locale(LOCALE_fr_FR_UTF_8);
49 sstr.imbue(locale);
50 sstr << std::fixed << time_point;
51 return sstr.str();
52 }
53
54 template <class CharT, class Duration>
stream_ja_JP_locale(std::chrono::local_time<Duration> time_point)55 static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::local_time<Duration> time_point) {
56 std::basic_stringstream<CharT> sstr;
57 const std::locale locale(LOCALE_ja_JP_UTF_8);
58 sstr.imbue(locale);
59 sstr << std::fixed << time_point;
60 return sstr.str();
61 }
62
63 template <class CharT>
test_c()64 static void test_c() {
65 using namespace std::literals::chrono_literals;
66
67 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
68 SV("1940-01-01 22:57:56.876543211"));
69
70 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
71 SV("1940-01-01 22:57:56.876544"));
72
73 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
74 SV("1940-01-01 22:57:56.877"));
75
76 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-1ns}) ==
77 SV("1969-12-31 23:59:59.999999999"));
78
79 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{0ns}) ==
80 SV("1970-01-01 00:00:00.000000000"));
81
82 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{1ns}) ==
83 SV("1970-01-01 00:00:00.000000001"));
84
85 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
86 SV("2000-01-01 01:02:03.123456789"));
87 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
88 SV("2000-01-01 01:02:03.123456"));
89
90 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
91 SV("2000-01-01 00:00:00.123"));
92 assert(stream_c_locale<CharT>(std::chrono::local_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
93 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::minutes>{20'576'131min}) ==
94 SV("2009-02-13 23:31:00"));
95 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::hours>{342'935h}) == SV("2009-02-13 23:00:00"));
96
97 // These switch to sys_day formatter, which omits the time.
98 assert(stream_c_locale<CharT>(std::chrono::local_days{std::chrono::days{14'288}}) == SV("2009-02-13"));
99 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
100 SV("2009-02-12"));
101
102 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
103 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
104 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<short, std::ratio<1, 2>>>{
105 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
106 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<int, std::ratio<1, 4>>>{
107 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
108 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<long, std::ratio<1, 10>>>{
109 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
110 assert(stream_c_locale<CharT>(std::chrono::local_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
111 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
112 }
113
114 template <class CharT>
test_fr_FR()115 static void test_fr_FR() {
116 using namespace std::literals::chrono_literals;
117
118 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
119 SV("1940-01-01 22:57:56,876543211"));
120
121 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
122 SV("1940-01-01 22:57:56,876544"));
123
124 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
125 SV("1940-01-01 22:57:56,877"));
126
127 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-1ns}) ==
128 SV("1969-12-31 23:59:59,999999999"));
129
130 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{0ns}) ==
131 SV("1970-01-01 00:00:00,000000000"));
132
133 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{1ns}) ==
134 SV("1970-01-01 00:00:00,000000001"));
135
136 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
137 SV("2000-01-01 01:02:03,123456789"));
138 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
139 SV("2000-01-01 01:02:03,123456"));
140
141 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
142 SV("2000-01-01 00:00:00,123"));
143 assert(stream_fr_FR_locale<CharT>(std::chrono::local_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
144 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::minutes>{20'576'131min}) ==
145 SV("2009-02-13 23:31:00"));
146 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::hours>{342'935h}) ==
147 SV("2009-02-13 23:00:00"));
148
149 // These switch to sys_day formatter, which omits the time.
150 assert(stream_fr_FR_locale<CharT>(std::chrono::local_days{std::chrono::days{14'288}}) == SV("2009-02-13"));
151 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
152 SV("2009-02-12"));
153
154 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
155 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
156 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<short, std::ratio<1, 2>>>{
157 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00,0"));
158 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<int, std::ratio<1, 4>>>{
159 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00,00"));
160 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<long, std::ratio<1, 10>>>{
161 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01,1"));
162 assert(stream_fr_FR_locale<CharT>(std::chrono::local_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
163 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30,10"));
164 }
165
166 template <class CharT>
test_ja_JP()167 static void test_ja_JP() {
168 using namespace std::literals::chrono_literals;
169
170 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-946'688'523'123'456'789ns}) ==
171 SV("1940-01-01 22:57:56.876543211"));
172
173 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{-946'688'523'123'456us}) ==
174 SV("1940-01-01 22:57:56.876544"));
175
176 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{-946'688'523'123ms}) ==
177 SV("1940-01-01 22:57:56.877"));
178
179 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{-1ns}) ==
180 SV("1969-12-31 23:59:59.999999999"));
181
182 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{0ns}) ==
183 SV("1970-01-01 00:00:00.000000000"));
184
185 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{1ns}) ==
186 SV("1970-01-01 00:00:00.000000001"));
187
188 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::nanoseconds>{946'688'523'123'456'789ns}) ==
189 SV("2000-01-01 01:02:03.123456789"));
190 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::microseconds>{946'688'523'123'456us}) ==
191 SV("2000-01-01 01:02:03.123456"));
192
193 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::milliseconds>{946'684'800'123ms}) ==
194 SV("2000-01-01 00:00:00.123"));
195 assert(stream_ja_JP_locale<CharT>(std::chrono::local_seconds{1'234'567'890s}) == SV("2009-02-13 23:31:30"));
196 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::minutes>{20'576'131min}) ==
197 SV("2009-02-13 23:31:00"));
198 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::hours>{342'935h}) ==
199 SV("2009-02-13 23:00:00"));
200
201 // These switch to sys_day formatter, which omits the time.
202 assert(stream_ja_JP_locale<CharT>(std::chrono::local_days{std::chrono::days{14'288}}) == SV("2009-02-13"));
203 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::weeks>{std::chrono::weeks{2041}}) ==
204 SV("2009-02-12"));
205
206 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<signed char, std::ratio<2, 1>>>{
207 std::chrono::duration<signed char, std::ratio<2, 1>>{60}}) == SV("1970-01-01 00:02:00"));
208 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<short, std::ratio<1, 2>>>{
209 std::chrono::duration<short, std::ratio<1, 2>>{3600}}) == SV("1970-01-01 00:30:00.0"));
210 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<int, std::ratio<1, 4>>>{
211 std::chrono::duration<int, std::ratio<1, 4>>{3600}}) == SV("1970-01-01 00:15:00.00"));
212 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<long, std::ratio<1, 10>>>{
213 std::chrono::duration<long, std::ratio<1, 10>>{36611}}) == SV("1970-01-01 01:01:01.1"));
214 assert(stream_ja_JP_locale<CharT>(std::chrono::local_time<std::chrono::duration<long long, std::ratio<1, 100>>>{
215 std::chrono::duration<long long, std::ratio<1, 100>>{12'345'678'9010}}) == SV("2009-02-13 23:31:30.10"));
216 }
217
218 template <class CharT>
test()219 static void test() {
220 test_c<CharT>();
221 test_fr_FR<CharT>();
222 test_ja_JP<CharT>();
223 }
224
main(int,char **)225 int main(int, char**) {
226 test<char>();
227
228 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
229 test<wchar_t>();
230 #endif
231
232 return 0;
233 }
234