xref: /llvm-project/libcxx/test/std/time/time.syn/formatter.month_day.pass.cpp (revision 6a54dfbfe534276d644d7f9c027f0deeb748dd53)
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 // TODO FMT Investigate Windows issues.
17 // XFAIL: msvc
18 
19 // REQUIRES: locale.fr_FR.UTF-8
20 // REQUIRES: locale.ja_JP.UTF-8
21 
22 // <chrono>
23 
24 // template<class charT> struct formatter<chrono::month_day, charT>;
25 
26 #include <chrono>
27 #include <format>
28 
29 #include <cassert>
30 #include <concepts>
31 #include <locale>
32 #include <iostream>
33 #include <type_traits>
34 
35 #include "formatter_tests.h"
36 #include "make_string.h"
37 #include "platform_support.h" // locale name macros
38 #include "string_literal.h"
39 #include "test_macros.h"
40 
41 template <class CharT>
42 static void test_no_chrono_specs() {
43   // Valid month "valid" day
44   check(SV("Feb/31"), SV("{}"), std::chrono::month_day{std::chrono::month{2}, std::chrono::day{31}});
45   check(SV("*Feb/31*"), SV("{:*^8}"), std::chrono::month_day{std::chrono::month{2}, std::chrono::day{31}});
46   check(SV("*Feb/31"), SV("{:*>7}"), std::chrono::month_day{std::chrono::month{2}, std::chrono::day{31}});
47 
48   // Invalid month "valid" day
49   check(SV("0 is not a valid month/31"), SV("{}"), std::chrono::month_day{std::chrono::month{0}, std::chrono::day{31}});
50   check(SV("*0 is not a valid month/31*"),
51         SV("{:*^27}"),
52         std::chrono::month_day{std::chrono::month{0}, std::chrono::day{31}});
53 
54   // Valid month invalid day
55   check(SV("Feb/32 is not a valid day"), SV("{}"), std::chrono::month_day{std::chrono::month{2}, std::chrono::day{32}});
56   check(SV("*Feb/32 is not a valid day*"),
57         SV("{:*^27}"),
58         std::chrono::month_day{std::chrono::month{2}, std::chrono::day{32}});
59   check(SV("*Feb/32 is not a valid day"),
60         SV("{:*>26}"),
61         std::chrono::month_day{std::chrono::month{2}, std::chrono::day{32}});
62 
63   // Invalid month invalid day
64   check(SV("0 is not a valid month/32 is not a valid day"),
65         SV("{}"),
66         std::chrono::month_day{std::chrono::month{0}, std::chrono::day{32}});
67   check(SV("*0 is not a valid month/32 is not a valid day*"),
68         SV("{:*^46}"),
69         std::chrono::month_day{std::chrono::month{0}, std::chrono::day{32}});
70 }
71 
72 template <class CharT>
73 static void test_valid_values() {
74   // Test that %b, %h, and %B throw an exception.
75   check_exception("Formatting a month name from an invalid month number",
76                   SV("{:%b}"),
77                   std::chrono::month_day{std::chrono::month{200}, std::chrono::day{31}});
78   check_exception("Formatting a month name from an invalid month number",
79                   SV("{:%b}"),
80                   std::chrono::month_day{std::chrono::month{13}, std::chrono::day{31}});
81   check_exception("Formatting a month name from an invalid month number",
82                   SV("{:%b}"),
83                   std::chrono::month_day{std::chrono::month{255}, std::chrono::day{31}});
84 
85   check_exception("Formatting a month name from an invalid month number",
86                   SV("{:%h}"),
87                   std::chrono::month_day{std::chrono::month{0}, std::chrono::day{31}});
88   check_exception("Formatting a month name from an invalid month number",
89                   SV("{:%h}"),
90                   std::chrono::month_day{std::chrono::month{13}, std::chrono::day{31}});
91   check_exception("Formatting a month name from an invalid month number",
92                   SV("{:%h}"),
93                   std::chrono::month_day{std::chrono::month{255}, std::chrono::day{31}});
94 
95   check_exception("Formatting a month name from an invalid month number",
96                   SV("{:%B}"),
97                   std::chrono::month_day{std::chrono::month{0}, std::chrono::day{31}});
98   check_exception("Formatting a month name from an invalid month number",
99                   SV("{:%B}"),
100                   std::chrono::month_day{std::chrono::month{13}, std::chrono::day{31}});
101   check_exception("Formatting a month name from an invalid month number",
102                   SV("{:%B}"),
103                   std::chrono::month_day{std::chrono::month{255}, std::chrono::day{31}});
104 
105   constexpr std::basic_string_view<CharT> fmt =
106       SV("{:%%b='%b'%t%%B='%B'%t%%h='%h'%t%%m='%m'%t%%Om='%Om'%t%%d='%d'%t%%e='%e'%t%%Od='%Od'%t%%Oe='%Oe'%n}");
107   constexpr std::basic_string_view<CharT> lfmt =
108       SV("{:L%%b='%b'%t%%B='%B'%t%%h='%h'%t%%m='%m'%t%%Om='%Om'%t%%d='%d'%t%%e='%e'%t%%Od='%Od'%t%%Oe='%Oe'%n}");
109 
110   const std::locale loc(LOCALE_ja_JP_UTF_8);
111   std::locale::global(std::locale(LOCALE_fr_FR_UTF_8));
112 
113   // Non localized output using C-locale
114 #ifdef _WIN32
115   check(SV("%b='Jan'\t%B='January'\t%h='Jan'\t%m='01'\t%Om='01'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
116         fmt,
117         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
118 #else
119   check(SV("%b='Jan'\t%B='January'\t%h='Jan'\t%m='01'\t%Om='01'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
120         fmt,
121         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
122 #endif
123   check(SV("%b='Feb'\t%B='February'\t%h='Feb'\t%m='02'\t%Om='02'\t%d='01'\t%e=' 1'\t%Od='01'\t%Oe=' 1'\n"),
124         fmt,
125         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
126   check(SV("%b='Mar'\t%B='March'\t%h='Mar'\t%m='03'\t%Om='03'\t%d='09'\t%e=' 9'\t%Od='09'\t%Oe=' 9'\n"),
127         fmt,
128         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
129   check(SV("%b='Apr'\t%B='April'\t%h='Apr'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
130         fmt,
131         std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
132   check(SV("%b='May'\t%B='May'\t%h='May'\t%m='05'\t%Om='05'\t%d='28'\t%e='28'\t%Od='28'\t%Oe='28'\n"),
133         fmt,
134         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
135   check(SV("%b='Jun'\t%B='June'\t%h='Jun'\t%m='06'\t%Om='06'\t%d='29'\t%e='29'\t%Od='29'\t%Oe='29'\n"),
136         fmt,
137         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
138   check(SV("%b='Jul'\t%B='July'\t%h='Jul'\t%m='07'\t%Om='07'\t%d='30'\t%e='30'\t%Od='30'\t%Oe='30'\n"),
139         fmt,
140         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
141   check(SV("%b='Aug'\t%B='August'\t%h='Aug'\t%m='08'\t%Om='08'\t%d='31'\t%e='31'\t%Od='31'\t%Oe='31'\n"),
142         fmt,
143         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
144 #ifdef _WIN32
145   check(SV("%b='Sep'\t%B='September'\t%h='Sep'\t%m='09'\t%Om='09'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
146         fmt,
147         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
148   check(SV("%b='Oct'\t%B='October'\t%h='Oct'\t%m='10'\t%Om='10'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
149         fmt,
150         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
151   check(SV("%b='Nov'\t%B='November'\t%h='Nov'\t%m='11'\t%Om='11'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
152         fmt,
153         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
154   check(SV("%b='Dec'\t%B='December'\t%h='Dec'\t%m='12'\t%Om='12'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
155         fmt,
156         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
157 #else // _WIN32
158   check(SV("%b='Sep'\t%B='September'\t%h='Sep'\t%m='09'\t%Om='09'\t%d='32'\t%e='32'\t%Od='32'\t%Oe='32'\n"),
159         fmt,
160         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
161   check(SV("%b='Oct'\t%B='October'\t%h='Oct'\t%m='10'\t%Om='10'\t%d='99'\t%e='99'\t%Od='99'\t%Oe='99'\n"),
162         fmt,
163         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
164 #  if defined(_AIX)
165   check(SV("%b='Nov'\t%B='November'\t%h='Nov'\t%m='11'\t%Om='11'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
166         fmt,
167         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
168   check(SV("%b='Dec'\t%B='December'\t%h='Dec'\t%m='12'\t%Om='12'\t%d='55'\t%e='55'\t%Od='55'\t%Oe='55'\n"),
169         fmt,
170         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
171 #  else  //  defined(_AIX)
172   check(SV("%b='Nov'\t%B='November'\t%h='Nov'\t%m='11'\t%Om='11'\t%d='100'\t%e='100'\t%Od='100'\t%Oe='100'\n"),
173         fmt,
174         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
175   check(SV("%b='Dec'\t%B='December'\t%h='Dec'\t%m='12'\t%Om='12'\t%d='255'\t%e='255'\t%Od='255'\t%Oe='255'\n"),
176         fmt,
177         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
178 #  endif //  defined(_AIX)
179 #endif   // _WIN32
180 
181   // Use the global locale (fr_FR)
182 #if defined(__APPLE__)
183   check(SV("%b='jan'\t%B='janvier'\t%h='jan'\t%m='01'\t%Om='01'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
184         lfmt,
185         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
186   check(SV("%b='fév'\t%B='février'\t%h='fév'\t%m='02'\t%Om='02'\t%d='01'\t%e=' 1'\t%Od='01'\t%Oe=' 1'\n"),
187         lfmt,
188         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
189   check(SV("%b='mar'\t%B='mars'\t%h='mar'\t%m='03'\t%Om='03'\t%d='09'\t%e=' 9'\t%Od='09'\t%Oe=' 9'\n"),
190         lfmt,
191         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
192   check(SV("%b='avr'\t%B='avril'\t%h='avr'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
193         lfmt,
194         std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
195   check(SV("%b='mai'\t%B='mai'\t%h='mai'\t%m='05'\t%Om='05'\t%d='28'\t%e='28'\t%Od='28'\t%Oe='28'\n"),
196         lfmt,
197         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
198   check(SV("%b='jui'\t%B='juin'\t%h='jui'\t%m='06'\t%Om='06'\t%d='29'\t%e='29'\t%Od='29'\t%Oe='29'\n"),
199         lfmt,
200         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
201   check(SV("%b='jul'\t%B='juillet'\t%h='jul'\t%m='07'\t%Om='07'\t%d='30'\t%e='30'\t%Od='30'\t%Oe='30'\n"),
202         lfmt,
203         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
204   check(SV("%b='aoû'\t%B='août'\t%h='aoû'\t%m='08'\t%Om='08'\t%d='31'\t%e='31'\t%Od='31'\t%Oe='31'\n"),
205         lfmt,
206         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
207   check(SV("%b='sep'\t%B='septembre'\t%h='sep'\t%m='09'\t%Om='09'\t%d='32'\t%e='32'\t%Od='32'\t%Oe='32'\n"),
208         lfmt,
209         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
210   check(SV("%b='oct'\t%B='octobre'\t%h='oct'\t%m='10'\t%Om='10'\t%d='99'\t%e='99'\t%Od='99'\t%Oe='99'\n"),
211         lfmt,
212         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
213   check(SV("%b='nov'\t%B='novembre'\t%h='nov'\t%m='11'\t%Om='11'\t%d='100'\t%e='100'\t%Od='100'\t%Oe='100'\n"),
214         lfmt,
215         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
216   check(SV("%b='déc'\t%B='décembre'\t%h='déc'\t%m='12'\t%Om='12'\t%d='255'\t%e='255'\t%Od='255'\t%Oe='255'\n"),
217         lfmt,
218         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
219 #else // defined(__APPLE__)
220 #  if defined(_WIN32)
221   check(SV("%b='janv.'\t%B='janvier'\t%h='janv.'\t%m='01'\t%Om='01'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
222         lfmt,
223         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
224 #  else
225   check(SV("%b='janv.'\t%B='janvier'\t%h='janv.'\t%m='01'\t%Om='01'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
226         lfmt,
227         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
228 #  endif
229   check(SV("%b='févr.'\t%B='février'\t%h='févr.'\t%m='02'\t%Om='02'\t%d='01'\t%e=' 1'\t%Od='01'\t%Oe=' 1'\n"),
230         lfmt,
231         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
232   check(SV("%b='mars'\t%B='mars'\t%h='mars'\t%m='03'\t%Om='03'\t%d='09'\t%e=' 9'\t%Od='09'\t%Oe=' 9'\n"),
233         lfmt,
234         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
235   check(
236 #  if defined(_WIN32) || defined(_AIX) || defined(__FreeBSD__)
237       SV("%b='avr.'\t%B='avril'\t%h='avr.'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
238 #  else  // defined(_WIN32) || defined(_AIX) || defined(__FreeBSD__)
239       SV("%b='avril'\t%B='avril'\t%h='avril'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
240 #  endif // defined(_WIN32) || defined(_AIX) || defined(__FreeBSD__)
241       lfmt,
242       std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
243   check(SV("%b='mai'\t%B='mai'\t%h='mai'\t%m='05'\t%Om='05'\t%d='28'\t%e='28'\t%Od='28'\t%Oe='28'\n"),
244         lfmt,
245         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
246   check(SV("%b='juin'\t%B='juin'\t%h='juin'\t%m='06'\t%Om='06'\t%d='29'\t%e='29'\t%Od='29'\t%Oe='29'\n"),
247         lfmt,
248         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
249   check(SV("%b='juil.'\t%B='juillet'\t%h='juil.'\t%m='07'\t%Om='07'\t%d='30'\t%e='30'\t%Od='30'\t%Oe='30'\n"),
250         lfmt,
251         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
252   check(SV("%b='août'\t%B='août'\t%h='août'\t%m='08'\t%Om='08'\t%d='31'\t%e='31'\t%Od='31'\t%Oe='31'\n"),
253         lfmt,
254         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
255 #  if defined(_WIN32)
256   check(SV("%b='sept.'\t%B='septembre'\t%h='sept.'\t%m='09'\t%Om='09'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
257         lfmt,
258         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
259   check(SV("%b='oct.'\t%B='octobre'\t%h='oct.'\t%m='10'\t%Om='10'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
260         lfmt,
261         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
262   check(SV("%b='nov.'\t%B='novembre'\t%h='nov.'\t%m='11'\t%Om='11'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
263         lfmt,
264         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
265   check(SV("%b='déc.'\t%B='décembre'\t%h='déc.'\t%m='12'\t%Om='12'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
266         lfmt,
267         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
268 #  else // defined(_WIN32)
269   check(SV("%b='sept.'\t%B='septembre'\t%h='sept.'\t%m='09'\t%Om='09'\t%d='32'\t%e='32'\t%Od='32'\t%Oe='32'\n"),
270         lfmt,
271         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
272   check(SV("%b='oct.'\t%B='octobre'\t%h='oct.'\t%m='10'\t%Om='10'\t%d='99'\t%e='99'\t%Od='99'\t%Oe='99'\n"),
273         lfmt,
274         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
275 #    if defined(_AIX)
276   check(SV("%b='nov.'\t%B='novembre'\t%h='nov.'\t%m='11'\t%Om='11'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
277         lfmt,
278         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
279   check(SV("%b='déc.'\t%B='décembre'\t%h='déc.'\t%m='12'\t%Om='12'\t%d='55'\t%e='55'\t%Od='55'\t%Oe='55'\n"),
280         lfmt,
281         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
282 #    else  //   defined(_AIX)
283   check(SV("%b='nov.'\t%B='novembre'\t%h='nov.'\t%m='11'\t%Om='11'\t%d='100'\t%e='100'\t%Od='100'\t%Oe='100'\n"),
284         lfmt,
285         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
286   check(SV("%b='déc.'\t%B='décembre'\t%h='déc.'\t%m='12'\t%Om='12'\t%d='255'\t%e='255'\t%Od='255'\t%Oe='255'\n"),
287         lfmt,
288         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
289 #    endif //   defined(_AIX)
290 #  endif   //   defined(_WIN32)
291 #endif     // defined(__APPLE__)
292 
293   // Use supplied locale (ja_JP)
294 #if defined(_WIN32)
295   check(loc,
296         SV("%b='1'\t%B='1月'\t%h='1'\t%m='01'\t%Om='01'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
297         lfmt,
298         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
299   check(loc,
300         SV("%b='2'\t%B='2月'\t%h='2'\t%m='02'\t%Om='02'\t%d='01'\t%e=' 1'\t%Od='01'\t%Oe=' 1'\n"),
301         lfmt,
302         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
303   check(loc,
304         SV("%b='3'\t%B='3月'\t%h='3'\t%m='03'\t%Om='03'\t%d='09'\t%e=' 9'\t%Od='09'\t%Oe=' 9'\n"),
305         lfmt,
306         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
307   check(loc,
308         SV("%b='4'\t%B='4月'\t%h='4'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
309         lfmt,
310         std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
311   check(loc,
312         SV("%b='5'\t%B='5月'\t%h='5'\t%m='05'\t%Om='05'\t%d='28'\t%e='28'\t%Od='28'\t%Oe='28'\n"),
313         lfmt,
314         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
315   check(loc,
316         SV("%b='6'\t%B='6月'\t%h='6'\t%m='06'\t%Om='06'\t%d='29'\t%e='29'\t%Od='29'\t%Oe='29'\n"),
317         lfmt,
318         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
319   check(loc,
320         SV("%b='7'\t%B='7月'\t%h='7'\t%m='07'\t%Om='07'\t%d='30'\t%e='30'\t%Od='30'\t%Oe='30'\n"),
321         lfmt,
322         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
323   check(loc,
324         SV("%b='8'\t%B='8月'\t%h='8'\t%m='08'\t%Om='08'\t%d='31'\t%e='31'\t%Od='31'\t%Oe='31'\n"),
325         lfmt,
326         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
327   check(loc,
328         SV("%b='9'\t%B='9月'\t%h='9'\t%m='09'\t%Om='09'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
329         lfmt,
330         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
331   check(loc,
332         SV("%b='10'\t%B='10月'\t%h='10'\t%m='10'\t%Om='10'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
333         lfmt,
334         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
335   check(loc,
336         SV("%b='11'\t%B='11月'\t%h='11'\t%m='11'\t%Om='11'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
337         lfmt,
338         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
339   check(loc,
340         SV("%b='12'\t%B='12月'\t%h='12'\t%m='12'\t%Om='12'\t%d=''\t%e=''\t%Od=''\t%Oe=''\n"),
341         lfmt,
342         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
343 #elif defined(_AIX)      // defined(_WIN32)
344   check(loc,
345         SV("%b='1月'\t%B='1月'\t%h='1月'\t%m='01'\t%Om='01'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
346         lfmt,
347         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
348   check(loc,
349         SV("%b='2月'\t%B='2月'\t%h='2月'\t%m='02'\t%Om='02'\t%d='01'\t%e=' 1'\t%Od='01'\t%Oe=' 1'\n"),
350         lfmt,
351         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
352   check(loc,
353         SV("%b='3月'\t%B='3月'\t%h='3月'\t%m='03'\t%Om='03'\t%d='09'\t%e=' 9'\t%Od='09'\t%Oe=' 9'\n"),
354         lfmt,
355         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
356   check(loc,
357         SV("%b='4月'\t%B='4月'\t%h='4月'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
358         lfmt,
359         std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
360   check(loc,
361         SV("%b='5月'\t%B='5月'\t%h='5月'\t%m='05'\t%Om='05'\t%d='28'\t%e='28'\t%Od='28'\t%Oe='28'\n"),
362         lfmt,
363         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
364   check(loc,
365         SV("%b='6月'\t%B='6月'\t%h='6月'\t%m='06'\t%Om='06'\t%d='29'\t%e='29'\t%Od='29'\t%Oe='29'\n"),
366         lfmt,
367         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
368   check(loc,
369         SV("%b='7月'\t%B='7月'\t%h='7月'\t%m='07'\t%Om='07'\t%d='30'\t%e='30'\t%Od='30'\t%Oe='30'\n"),
370         lfmt,
371         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
372   check(loc,
373         SV("%b='8月'\t%B='8月'\t%h='8月'\t%m='08'\t%Om='08'\t%d='31'\t%e='31'\t%Od='31'\t%Oe='31'\n"),
374         lfmt,
375         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
376   check(loc,
377         SV("%b='9月'\t%B='9月'\t%h='9月'\t%m='09'\t%Om='09'\t%d='32'\t%e='32'\t%Od='32'\t%Oe='32'\n"),
378         lfmt,
379         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
380   check(loc,
381         SV("%b='10月'\t%B='10月'\t%h='10月'\t%m='10'\t%Om='10'\t%d='99'\t%e='99'\t%Od='99'\t%Oe='99'\n"),
382         lfmt,
383         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
384   check(loc,
385         SV("%b='11月'\t%B='11月'\t%h='11月'\t%m='11'\t%Om='11'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
386         lfmt,
387         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
388   check(loc,
389         SV("%b='12月'\t%B='12月'\t%h='12月'\t%m='12'\t%Om='12'\t%d='55'\t%e='55'\t%Od='55'\t%Oe='55'\n"),
390         lfmt,
391         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
392 #elif defined(__FreeBSD__) // defined(_WIN32)
393   check(loc,
394         SV("%b=' 1月'\t%B='1月'\t%h=' 1月'\t%m='01'\t%Om='01'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
395         lfmt,
396         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
397   check(loc,
398         SV("%b=' 2月'\t%B='2月'\t%h=' 2月'\t%m='02'\t%Om='02'\t%d='01'\t%e=' 1'\t%Od='01'\t%Oe=' 1'\n"),
399         lfmt,
400         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
401   check(loc,
402         SV("%b=' 3月'\t%B='3月'\t%h=' 3月'\t%m='03'\t%Om='03'\t%d='09'\t%e=' 9'\t%Od='09'\t%Oe=' 9'\n"),
403         lfmt,
404         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
405   check(loc,
406         SV("%b=' 4月'\t%B='4月'\t%h=' 4月'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
407         lfmt,
408         std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
409   check(loc,
410         SV("%b=' 5月'\t%B='5月'\t%h=' 5月'\t%m='05'\t%Om='05'\t%d='28'\t%e='28'\t%Od='28'\t%Oe='28'\n"),
411         lfmt,
412         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
413   check(loc,
414         SV("%b=' 6月'\t%B='6月'\t%h=' 6月'\t%m='06'\t%Om='06'\t%d='29'\t%e='29'\t%Od='29'\t%Oe='29'\n"),
415         lfmt,
416         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
417   check(loc,
418         SV("%b=' 7月'\t%B='7月'\t%h=' 7月'\t%m='07'\t%Om='07'\t%d='30'\t%e='30'\t%Od='30'\t%Oe='30'\n"),
419         lfmt,
420         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
421   check(loc,
422         SV("%b=' 8月'\t%B='8月'\t%h=' 8月'\t%m='08'\t%Om='08'\t%d='31'\t%e='31'\t%Od='31'\t%Oe='31'\n"),
423         lfmt,
424         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
425   check(loc,
426         SV("%b=' 9月'\t%B='9月'\t%h=' 9月'\t%m='09'\t%Om='09'\t%d='32'\t%e='32'\t%Od='32'\t%Oe='32'\n"),
427         lfmt,
428         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
429   check(loc,
430         SV("%b='10月'\t%B='10月'\t%h='10月'\t%m='10'\t%Om='10'\t%d='99'\t%e='99'\t%Od='99'\t%Oe='99'\n"),
431         lfmt,
432         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
433   check(loc,
434         SV("%b='11月'\t%B='11月'\t%h='11月'\t%m='11'\t%Om='11'\t%d='100'\t%e='100'\t%Od='100'\t%Oe='100'\n"),
435         lfmt,
436         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
437   check(loc,
438         SV("%b='12月'\t%B='12月'\t%h='12月'\t%m='12'\t%Om='12'\t%d='255'\t%e='255'\t%Od='255'\t%Oe='255'\n"),
439         lfmt,
440         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
441 #elif defined(__APPLE__) // defined(_WIN32)
442   check(loc,
443         SV("%b=' 1'\t%B='1月'\t%h=' 1'\t%m='01'\t%Om='01'\t%d='00'\t%e=' 0'\t%Od='00'\t%Oe=' 0'\n"),
444         lfmt,
445         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
446   check(loc,
447         SV("%b=' 2'\t%B='2月'\t%h=' 2'\t%m='02'\t%Om='02'\t%d='01'\t%e=' 1'\t%Od='01'\t%Oe=' 1'\n"),
448         lfmt,
449         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
450   check(loc,
451         SV("%b=' 3'\t%B='3月'\t%h=' 3'\t%m='03'\t%Om='03'\t%d='09'\t%e=' 9'\t%Od='09'\t%Oe=' 9'\n"),
452         lfmt,
453         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
454   check(loc,
455         SV("%b=' 4'\t%B='4月'\t%h=' 4'\t%m='04'\t%Om='04'\t%d='10'\t%e='10'\t%Od='10'\t%Oe='10'\n"),
456         lfmt,
457         std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
458   check(loc,
459         SV("%b=' 5'\t%B='5月'\t%h=' 5'\t%m='05'\t%Om='05'\t%d='28'\t%e='28'\t%Od='28'\t%Oe='28'\n"),
460         lfmt,
461         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
462   check(loc,
463         SV("%b=' 6'\t%B='6月'\t%h=' 6'\t%m='06'\t%Om='06'\t%d='29'\t%e='29'\t%Od='29'\t%Oe='29'\n"),
464         lfmt,
465         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
466   check(loc,
467         SV("%b=' 7'\t%B='7月'\t%h=' 7'\t%m='07'\t%Om='07'\t%d='30'\t%e='30'\t%Od='30'\t%Oe='30'\n"),
468         lfmt,
469         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
470   check(loc,
471         SV("%b=' 8'\t%B='8月'\t%h=' 8'\t%m='08'\t%Om='08'\t%d='31'\t%e='31'\t%Od='31'\t%Oe='31'\n"),
472         lfmt,
473         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
474   check(loc,
475         SV("%b=' 9'\t%B='9月'\t%h=' 9'\t%m='09'\t%Om='09'\t%d='32'\t%e='32'\t%Od='32'\t%Oe='32'\n"),
476         lfmt,
477         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
478   check(loc,
479         SV("%b='10'\t%B='10月'\t%h='10'\t%m='10'\t%Om='10'\t%d='99'\t%e='99'\t%Od='99'\t%Oe='99'\n"),
480         lfmt,
481         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
482   check(loc,
483         SV("%b='11'\t%B='11月'\t%h='11'\t%m='11'\t%Om='11'\t%d='100'\t%e='100'\t%Od='100'\t%Oe='100'\n"),
484         lfmt,
485         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
486   check(loc,
487         SV("%b='12'\t%B='12月'\t%h='12'\t%m='12'\t%Om='12'\t%d='255'\t%e='255'\t%Od='255'\t%Oe='255'\n"),
488         lfmt,
489         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
490 #else                    // defined(_WIN32)
491   check(loc,
492         SV("%b=' 1月'\t%B='1月'\t%h=' 1月'\t%m='01'\t%Om='一'\t%d='00'\t%e=' 0'\t%Od='〇'\t%Oe='〇'\n"),
493         lfmt,
494         std::chrono::month_day{std::chrono::January, std::chrono::day{0}});
495   check(loc,
496         SV("%b=' 2月'\t%B='2月'\t%h=' 2月'\t%m='02'\t%Om='二'\t%d='01'\t%e=' 1'\t%Od='一'\t%Oe='一'\n"),
497         lfmt,
498         std::chrono::month_day{std::chrono::February, std::chrono::day{1}});
499   check(loc,
500         SV("%b=' 3月'\t%B='3月'\t%h=' 3月'\t%m='03'\t%Om='三'\t%d='09'\t%e=' 9'\t%Od='九'\t%Oe='九'\n"),
501         lfmt,
502         std::chrono::month_day{std::chrono::March, std::chrono::day{9}});
503   check(loc,
504         SV("%b=' 4月'\t%B='4月'\t%h=' 4月'\t%m='04'\t%Om='四'\t%d='10'\t%e='10'\t%Od='十'\t%Oe='十'\n"),
505         lfmt,
506         std::chrono::month_day{std::chrono::April, std::chrono::day{10}});
507   check(loc,
508         SV("%b=' 5月'\t%B='5月'\t%h=' 5月'\t%m='05'\t%Om='五'\t%d='28'\t%e='28'\t%Od='二十八'\t%Oe='二十八'\n"),
509         lfmt,
510         std::chrono::month_day{std::chrono::May, std::chrono::day{28}});
511   check(loc,
512         SV("%b=' 6月'\t%B='6月'\t%h=' 6月'\t%m='06'\t%Om='六'\t%d='29'\t%e='29'\t%Od='二十九'\t%Oe='二十九'\n"),
513         lfmt,
514         std::chrono::month_day{std::chrono::June, std::chrono::day{29}});
515   check(loc,
516         SV("%b=' 7月'\t%B='7月'\t%h=' 7月'\t%m='07'\t%Om='七'\t%d='30'\t%e='30'\t%Od='三十'\t%Oe='三十'\n"),
517         lfmt,
518         std::chrono::month_day{std::chrono::July, std::chrono::day{30}});
519   check(loc,
520         SV("%b=' 8月'\t%B='8月'\t%h=' 8月'\t%m='08'\t%Om='八'\t%d='31'\t%e='31'\t%Od='三十一'\t%Oe='三十一'\n"),
521         lfmt,
522         std::chrono::month_day{std::chrono::August, std::chrono::day{31}});
523   check(loc,
524         SV("%b=' 9月'\t%B='9月'\t%h=' 9月'\t%m='09'\t%Om='九'\t%d='32'\t%e='32'\t%Od='三十二'\t%Oe='三十二'\n"),
525         lfmt,
526         std::chrono::month_day{std::chrono::September, std::chrono::day{32}});
527   check(loc,
528         SV("%b='10月'\t%B='10月'\t%h='10月'\t%m='10'\t%Om='十'\t%d='99'\t%e='99'\t%Od='九十九'\t%Oe='九十九'\n"),
529         lfmt,
530         std::chrono::month_day{std::chrono::October, std::chrono::day{99}});
531   check(loc,
532         SV("%b='11月'\t%B='11月'\t%h='11月'\t%m='11'\t%Om='十一'\t%d='100'\t%e='100'\t%Od='100'\t%Oe='100'\n"),
533         lfmt,
534         std::chrono::month_day{std::chrono::November, std::chrono::day{100}});
535   check(loc,
536         SV("%b='12月'\t%B='12月'\t%h='12月'\t%m='12'\t%Om='十二'\t%d='255'\t%e='255'\t%Od='255'\t%Oe='255'\n"),
537         lfmt,
538         std::chrono::month_day{std::chrono::December, std::chrono::day{255}});
539 #endif                   //  defined(_WIN32)
540 
541   std::locale::global(std::locale::classic());
542 }
543 
544 template <class CharT>
545 static void test() {
546   test_no_chrono_specs<CharT>();
547   test_valid_values<CharT>();
548   check_invalid_types<CharT>({SV("b"), SV("B"), SV("d"), SV("e"), SV("h"), SV("m"), SV("Od"), SV("Oe"), SV("Om")},
549                              std::chrono::month_day{std::chrono::January, std::chrono::day{31}});
550 
551   check_exception("The format specifier expects a '%' or a '}'",
552                   SV("{:A"),
553                   std::chrono::month_day{std::chrono::January, std::chrono::day{31}});
554   check_exception("The chrono specifiers contain a '{'",
555                   SV("{:%%{"),
556                   std::chrono::month_day{std::chrono::January, std::chrono::day{31}});
557   check_exception("End of input while parsing a conversion specifier",
558                   SV("{:%"),
559                   std::chrono::month_day{std::chrono::January, std::chrono::day{31}});
560   check_exception("End of input while parsing the modifier E",
561                   SV("{:%E"),
562                   std::chrono::month_day{std::chrono::January, std::chrono::day{31}});
563   check_exception("End of input while parsing the modifier O",
564                   SV("{:%O"),
565                   std::chrono::month_day{std::chrono::January, std::chrono::day{31}});
566 
567   // Precision not allowed
568   check_exception("The format specifier expects a '%' or a '}'",
569                   SV("{:.3}"),
570                   std::chrono::month_day{std::chrono::January, std::chrono::day{31}});
571 }
572 
573 int main(int, char**) {
574   test<char>();
575 
576 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
577   test<wchar_t>();
578 #endif
579 
580   return 0;
581 }
582