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::weekday, 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 "test_macros.h"
39
40template <class CharT>
41static void test_no_chrono_specs() {
42 using namespace std::literals::chrono_literals;
43
44 // Valid day
45 check(SV("Sun"), SV("{}"), std::chrono::weekday(0));
46
47 // Invalid day
48 check(SV("8 is not a valid weekday"), SV("{}"), std::chrono::weekday(8));
49}
50
51template <class CharT>
52static void test_valid_values() {
53 constexpr std::basic_string_view<CharT> fmt =
54 SV("{:%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%t%%a='%a'%t%%A='%A'%n}");
55 constexpr std::basic_string_view<CharT> lfmt =
56 SV("{:L%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%t%%a='%a'%t%%A='%A'%n}");
57
58 const std::locale loc(LOCALE_ja_JP_UTF_8);
59 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8));
60
61 // Non localized output using C-locale
62 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Sun'\t%A='Sunday'\n"), fmt, std::chrono::weekday(0));
63 check(SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='Mon'\t%A='Monday'\n"), fmt, std::chrono::weekday(1));
64 check(SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='Tue'\t%A='Tuesday'\n"), fmt, std::chrono::weekday(2));
65 check(SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='Wed'\t%A='Wednesday'\n"), fmt, std::chrono::weekday(3));
66 check(SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='Thu'\t%A='Thursday'\n"), fmt, std::chrono::weekday(4));
67 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='Fri'\t%A='Friday'\n"), fmt, std::chrono::weekday(5));
68 check(SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='Sat'\t%A='Saturday'\n"), fmt, std::chrono::weekday(6));
69 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Sun'\t%A='Sunday'\n"), fmt, std::chrono::weekday(7));
70
71#if defined(__APPLE__)
72 // Use the global locale (fr_FR)
73 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Dim'\t%A='Dimanche'\n"), lfmt, std::chrono::weekday(0));
74 check(SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='Lun'\t%A='Lundi'\n"), lfmt, std::chrono::weekday(1));
75 check(SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='Mar'\t%A='Mardi'\n"), lfmt, std::chrono::weekday(2));
76 check(SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='Mer'\t%A='Mercredi'\n"), lfmt, std::chrono::weekday(3));
77 check(SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='Jeu'\t%A='Jeudi'\n"), lfmt, std::chrono::weekday(4));
78 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='Ven'\t%A='Vendredi'\n"), lfmt, std::chrono::weekday(5));
79 check(SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='Sam'\t%A='Samedi'\n"), lfmt, std::chrono::weekday(6));
80 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='Dim'\t%A='Dimanche'\n"), lfmt, std::chrono::weekday(7));
81#else
82 // Use the global locale (fr_FR)
83 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='dim.'\t%A='dimanche'\n"), lfmt, std::chrono::weekday(0));
84 check(SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='lun.'\t%A='lundi'\n"), lfmt, std::chrono::weekday(1));
85 check(SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='mar.'\t%A='mardi'\n"), lfmt, std::chrono::weekday(2));
86 check(SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='mer.'\t%A='mercredi'\n"), lfmt, std::chrono::weekday(3));
87 check(SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='jeu.'\t%A='jeudi'\n"), lfmt, std::chrono::weekday(4));
88 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='ven.'\t%A='vendredi'\n"), lfmt, std::chrono::weekday(5));
89 check(SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='sam.'\t%A='samedi'\n"), lfmt, std::chrono::weekday(6));
90 check(SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='dim.'\t%A='dimanche'\n"), lfmt, std::chrono::weekday(7));
91#endif
92
93 // Use supplied locale (ja_JP).
94 // This locale has a different alternate, but not on all platforms
95#if defined(_WIN32) || defined(__APPLE__) || defined(_AIX) || defined(__FreeBSD__)
96 check(loc, SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(0));
97 check(loc, SV("%u='1'\t%Ou='1'\t%w='1'\t%Ow='1'\t%a='月'\t%A='月曜日'\n"), lfmt, std::chrono::weekday(1));
98 check(loc, SV("%u='2'\t%Ou='2'\t%w='2'\t%Ow='2'\t%a='火'\t%A='火曜日'\n"), lfmt, std::chrono::weekday(2));
99 check(loc, SV("%u='3'\t%Ou='3'\t%w='3'\t%Ow='3'\t%a='水'\t%A='水曜日'\n"), lfmt, std::chrono::weekday(3));
100 check(loc, SV("%u='4'\t%Ou='4'\t%w='4'\t%Ow='4'\t%a='木'\t%A='木曜日'\n"), lfmt, std::chrono::weekday(4));
101 check(loc, SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\t%a='金'\t%A='金曜日'\n"), lfmt, std::chrono::weekday(5));
102 check(loc, SV("%u='6'\t%Ou='6'\t%w='6'\t%Ow='6'\t%a='土'\t%A='土曜日'\n"), lfmt, std::chrono::weekday(6));
103 check(loc, SV("%u='7'\t%Ou='7'\t%w='0'\t%Ow='0'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(7));
104#else
105 check(loc, SV("%u='7'\t%Ou='七'\t%w='0'\t%Ow='〇'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(0));
106 check(loc, SV("%u='1'\t%Ou='一'\t%w='1'\t%Ow='一'\t%a='月'\t%A='月曜日'\n"), lfmt, std::chrono::weekday(1));
107 check(loc, SV("%u='2'\t%Ou='二'\t%w='2'\t%Ow='二'\t%a='火'\t%A='火曜日'\n"), lfmt, std::chrono::weekday(2));
108 check(loc, SV("%u='3'\t%Ou='三'\t%w='3'\t%Ow='三'\t%a='水'\t%A='水曜日'\n"), lfmt, std::chrono::weekday(3));
109 check(loc, SV("%u='4'\t%Ou='四'\t%w='4'\t%Ow='四'\t%a='木'\t%A='木曜日'\n"), lfmt, std::chrono::weekday(4));
110 check(loc, SV("%u='5'\t%Ou='五'\t%w='5'\t%Ow='五'\t%a='金'\t%A='金曜日'\n"), lfmt, std::chrono::weekday(5));
111 check(loc, SV("%u='6'\t%Ou='六'\t%w='6'\t%Ow='六'\t%a='土'\t%A='土曜日'\n"), lfmt, std::chrono::weekday(6));
112 check(loc, SV("%u='7'\t%Ou='七'\t%w='0'\t%Ow='〇'\t%a='日'\t%A='日曜日'\n"), lfmt, std::chrono::weekday(7));
113#endif
114
115 std::locale::global(loc: std::locale::classic());
116}
117
118template <class CharT>
119static void test_invalid_values() {
120 // Test that %a and %A throw an exception.
121 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%a}"), std::chrono::weekday(8));
122 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%a}"), std::chrono::weekday(255));
123 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%A}"), std::chrono::weekday(8));
124 check_exception("Formatting a weekday name needs a valid weekday", SV("{:%A}"), std::chrono::weekday(255));
125
126 constexpr std::basic_string_view<CharT> fmt = SV("{:%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%n}");
127 constexpr std::basic_string_view<CharT> lfmt = SV("{:L%%u='%u'%t%%Ou='%Ou'%t%%w='%w'%t%%Ow='%Ow'%n}");
128
129 const std::locale loc(LOCALE_ja_JP_UTF_8);
130 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8));
131
132#if defined(__APPLE__) || defined(__FreeBSD__)
133 // Non localized output using C-locale
134 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), fmt, std::chrono::weekday(8));
135 check(SV("%u='255'\t%Ou='255'\t%w='255'\t%Ow='255'\n"), fmt, std::chrono::weekday(255));
136
137 // Use the global locale (fr_FR)
138 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8));
139 check(SV("%u='255'\t%Ou='255'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255));
140
141 // Use supplied locale (ja_JP). This locale has a different alternate.
142 check(loc, SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8));
143 check(loc, SV("%u='255'\t%Ou='255'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255));
144#elif defined(_AIX) // defined(__APPLE__) || defined(__FreeBSD__)
145 // Non localized output using C-locale
146 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), fmt, std::chrono::weekday(8));
147 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\n"), fmt, std::chrono::weekday(255));
148
149 // Use the global locale (fr_FR)
150 check(SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8));
151 check(SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\n"), lfmt, std::chrono::weekday(255));
152
153 // Use supplied locale (ja_JP). This locale has a different alternate.
154 check(loc, SV("%u='8'\t%Ou='8'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8));
155 check(loc, SV("%u='5'\t%Ou='5'\t%w='5'\t%Ow='5'\n"), lfmt, std::chrono::weekday(255));
156#elif defined(_WIN32) // defined(__APPLE__) || defined(__FreeBSD__)
157 // Non localized output using C-locale
158 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), fmt, std::chrono::weekday(8));
159 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), fmt, std::chrono::weekday(255));
160
161 // Use the global locale (fr_FR)
162 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(8));
163 check(SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(255));
164
165 // Use supplied locale (ja_JP). This locale has a different alternate.
166 check(loc, SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(8));
167 check(loc, SV("%u=''\t%Ou=''\t%w=''\t%Ow=''\n"), lfmt, std::chrono::weekday(255));
168#else // defined(__APPLE__) || defined(__FreeBSD__)
169 // Non localized output using C-locale
170 check(SV("%u='1'\t%Ou='1'\t%w='8'\t%Ow='8'\n"), fmt, std::chrono::weekday(8));
171 check(SV("%u='3'\t%Ou='3'\t%w='255'\t%Ow='255'\n"), fmt, std::chrono::weekday(255));
172
173 // Use the global locale (fr_FR)
174 check(SV("%u='1'\t%Ou='1'\t%w='8'\t%Ow='8'\n"), lfmt, std::chrono::weekday(8));
175 check(SV("%u='3'\t%Ou='3'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255));
176
177 // Use supplied locale (ja_JP). This locale has a different alternate.
178 check(loc, SV("%u='1'\t%Ou='一'\t%w='8'\t%Ow='八'\n"), lfmt, std::chrono::weekday(8));
179 check(loc, SV("%u='3'\t%Ou='三'\t%w='255'\t%Ow='255'\n"), lfmt, std::chrono::weekday(255));
180#endif // defined(__APPLE__) || defined(__FreeBSD__)
181
182 std::locale::global(loc: std::locale::classic());
183}
184
185template <class CharT>
186static void test() {
187 test_no_chrono_specs<CharT>();
188 test_valid_values<CharT>();
189 test_invalid_values<CharT>();
190 check_invalid_types<CharT>(
191 {SV("a"), SV("A"), SV("t"), SV("u"), SV("w"), SV("Ou"), SV("Ow")}, std::chrono::weekday(0));
192
193 check_exception("The format specifier expects a '%' or a '}'", SV("{:A"), std::chrono::weekday(0));
194 check_exception("The chrono specifiers contain a '{'", SV("{:%%{"), std::chrono::weekday(0));
195 check_exception("End of input while parsing a conversion specifier", SV("{:%"), std::chrono::weekday(0));
196 check_exception("End of input while parsing the modifier E", SV("{:%E"), std::chrono::weekday(0));
197 check_exception("End of input while parsing the modifier O", SV("{:%O"), std::chrono::weekday(0));
198
199 // Precision not allowed
200 check_exception("The format specifier expects a '%' or a '}'", SV("{:.3}"), std::chrono::weekday(0));
201}
202
203int main(int, char**) {
204 test<char>();
205
206#ifndef TEST_HAS_NO_WIDE_CHARACTERS
207 test<wchar_t>();
208#endif
209
210 return 0;
211}
212

source code of libcxx/test/std/time/time.syn/formatter.weekday.pass.cpp