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// class day;
21
22// template<class charT, class traits>
23// basic_ostream<charT, traits>&
24// operator<<(basic_ostream<charT, traits>& os, const day& d);
25
26#include <chrono>
27#include <cassert>
28#include <sstream>
29
30#include "make_string.h"
31#include "platform_support.h" // locale name macros
32#include "test_macros.h"
33
34#define SV(S) MAKE_STRING_VIEW(CharT, S)
35
36template <class CharT>
37static std::basic_string<CharT> stream_c_locale(std::chrono::day day) {
38 std::basic_stringstream<CharT> sstr;
39 sstr << day;
40 return sstr.str();
41}
42
43template <class CharT>
44static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::day day) {
45 std::basic_stringstream<CharT> sstr;
46 const std::locale locale(LOCALE_fr_FR_UTF_8);
47 sstr.imbue(locale);
48 sstr << day;
49 return sstr.str();
50}
51
52template <class CharT>
53static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::day day) {
54 std::basic_stringstream<CharT> sstr;
55 const std::locale locale(LOCALE_ja_JP_UTF_8);
56 sstr.imbue(locale);
57 sstr << day;
58 return sstr.str();
59}
60
61template <class CharT>
62static void test() {
63 using namespace std::literals::chrono_literals;
64
65 assert(stream_c_locale<CharT>(0d) == SV("00 is not a valid day"));
66 assert(stream_c_locale<CharT>(1d) == SV("01"));
67 assert(stream_c_locale<CharT>(31d) == SV("31"));
68 assert(stream_c_locale<CharT>(255d) == SV("255 is not a valid day"));
69
70 assert(stream_fr_FR_locale<CharT>(0d) == SV("00 is not a valid day"));
71 assert(stream_fr_FR_locale<CharT>(1d) == SV("01"));
72 assert(stream_fr_FR_locale<CharT>(31d) == SV("31"));
73 assert(stream_fr_FR_locale<CharT>(255d) == SV("255 is not a valid day"));
74
75 assert(stream_ja_JP_locale<CharT>(0d) == SV("00 is not a valid day"));
76 assert(stream_ja_JP_locale<CharT>(1d) == SV("01"));
77 assert(stream_ja_JP_locale<CharT>(31d) == SV("31"));
78 assert(stream_ja_JP_locale<CharT>(255d) == SV("255 is not a valid day"));
79}
80
81int main(int, char**) {
82 using namespace std::literals::chrono_literals;
83
84 test<char>();
85#ifndef TEST_HAS_NO_WIDE_CHARACTERS
86 test<wchar_t>();
87#endif
88
89 return 0;
90}
91

source code of libcxx/test/std/time/time.cal/time.cal.day/time.cal.day.nonmembers/ostream.pass.cpp