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::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
41template <class CharT>
42static void test_no_chrono_specs() {
43 using namespace std::literals::chrono_literals;
44
45 // Valid day
46 check(SV("01"), SV("{}"), 1d);
47 check(SV("*01*"), SV("{:*^4}"), 1d);
48 check(SV("*01"), SV("{:*>3}"), 1d);
49
50 // Invalid day
51 check(SV("00 is not a valid day"), SV("{}"), 0d);
52 check(SV("*00 is not a valid day*"), SV("{:*^23}"), 0d);
53}
54
55template <class CharT>
56static void test_valid_values() {
57 using namespace std::literals::chrono_literals;
58
59 constexpr std::basic_string_view<CharT> fmt = SV("{:%%d='%d'%t%%Od='%Od'%t%%e='%e'%t%%Oe='%Oe'%n}");
60 constexpr std::basic_string_view<CharT> lfmt = SV("{:L%%d='%d'%t%%Od='%Od'%t%%e='%e'%t%%Oe='%Oe'%n}");
61
62 const std::locale loc(LOCALE_ja_JP_UTF_8);
63 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8));
64
65 // Non localized output using C-locale
66#if defined(_WIN32)
67 check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), fmt, 0d);
68#else
69 check(SV("%d='00'\t%Od='00'\t%e=' 0'\t%Oe=' 0'\n"), fmt, 0d);
70#endif
71 check(SV("%d='01'\t%Od='01'\t%e=' 1'\t%Oe=' 1'\n"), fmt, 1d);
72 check(SV("%d='31'\t%Od='31'\t%e='31'\t%Oe='31'\n"), fmt, 31d);
73#if defined(_WIN32)
74 check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), fmt, 0d);
75#elif defined(_AIX)
76 check(SV("%d='55'\t%Od='55'\t%e='55'\t%Oe='55'\n"), fmt, 255d);
77#else
78 check(SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), fmt, 255d);
79#endif
80
81 // Use the global locale (fr_FR)
82#if defined(_WIN32)
83 check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), lfmt, 0d);
84#else
85 check(SV("%d='00'\t%Od='00'\t%e=' 0'\t%Oe=' 0'\n"), lfmt, 0d);
86#endif
87 check(SV("%d='01'\t%Od='01'\t%e=' 1'\t%Oe=' 1'\n"), lfmt, 1d);
88 check(SV("%d='31'\t%Od='31'\t%e='31'\t%Oe='31'\n"), lfmt, 31d);
89#if defined(_WIN32)
90 check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), lfmt, 255d);
91#elif defined(_AIX)
92 check(SV("%d='55'\t%Od='55'\t%e='55'\t%Oe='55'\n"), lfmt, 255d);
93#else
94 check(SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), lfmt, 255d);
95#endif
96
97 // Use supplied locale (ja_JP). This locale has a different alternate on some platforms.
98#if defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
99# if defined(_WIN32)
100 check(loc, SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), lfmt, 0d);
101# else
102 check(loc, SV("%d='00'\t%Od='00'\t%e=' 0'\t%Oe=' 0'\n"), lfmt, 0d);
103# endif
104 check(loc, SV("%d='01'\t%Od='01'\t%e=' 1'\t%Oe=' 1'\n"), lfmt, 1d);
105 check(loc, SV("%d='31'\t%Od='31'\t%e='31'\t%Oe='31'\n"), lfmt, 31d);
106# if defined(_WIN32)
107 check(SV("%d=''\t%Od=''\t%e=''\t%Oe=''\n"), fmt, 255d);
108# elif defined(_AIX)
109 check(SV("%d='55'\t%Od='55'\t%e='55'\t%Oe='55'\n"), fmt, 255d);
110# else
111 check(SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), fmt, 255d);
112# endif
113#else // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
114 check(loc, SV("%d='00'\t%Od='〇'\t%e=' 0'\t%Oe='〇'\n"), lfmt, 0d);
115 check(loc, SV("%d='01'\t%Od='一'\t%e=' 1'\t%Oe='一'\n"), lfmt, 1d);
116 check(loc, SV("%d='31'\t%Od='三十一'\t%e='31'\t%Oe='三十一'\n"), lfmt, 31d);
117 check(loc, SV("%d='255'\t%Od='255'\t%e='255'\t%Oe='255'\n"), lfmt, 255d);
118#endif // defined(__APPLE__) || defined(_AIX) || defined(_WIN32) || defined(__FreeBSD__)
119
120 std::locale::global(loc: std::locale::classic());
121}
122
123template <class CharT>
124static void test() {
125 using namespace std::literals::chrono_literals;
126
127 test_no_chrono_specs<CharT>();
128 test_valid_values<CharT>();
129 check_invalid_types<CharT>({SV("d"), SV("e"), SV("Od"), SV("Oe")}, 0d);
130
131 check_exception("The format specifier expects a '%' or a '}'", SV("{:A"), 0d);
132 check_exception("The chrono specifiers contain a '{'", SV("{:%%{"), 0d);
133 check_exception("End of input while parsing a conversion specifier", SV("{:%"), 0d);
134 check_exception("End of input while parsing the modifier E", SV("{:%E"), 0d);
135 check_exception("End of input while parsing the modifier O", SV("{:%O"), 0d);
136
137 // Precision not allowed
138 check_exception("The format specifier expects a '%' or a '}'", SV("{:.3}"), 0d);
139}
140
141int main(int, char**) {
142 test<char>();
143
144#ifndef TEST_HAS_NO_WIDE_CHARACTERS
145 test<wchar_t>();
146#endif
147
148 return 0;
149}
150

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