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 year;
21
22// template<class charT, class traits>
23// basic_ostream<charT, traits>&
24// operator<<(basic_ostream<charT, traits>& os, const year& year);
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#include "assert_macros.h"
34#include "concat_macros.h"
35
36#define SV(S) MAKE_STRING_VIEW(CharT, S)
37
38#define TEST_EQUAL(OUT, EXPECTED) \
39 TEST_REQUIRE(OUT == EXPECTED, \
40 TEST_WRITE_CONCATENATED( \
41 "\nExpression ", #OUT, "\nExpected output ", EXPECTED, "\nActual output ", OUT, '\n'));
42
43template <class CharT>
44static std::basic_string<CharT> stream_c_locale(std::chrono::year year) {
45 std::basic_stringstream<CharT> sstr;
46 sstr << year;
47 return sstr.str();
48}
49
50template <class CharT>
51static std::basic_string<CharT> stream_fr_FR_locale(std::chrono::year year) {
52 std::basic_stringstream<CharT> sstr;
53 const std::locale locale(LOCALE_fr_FR_UTF_8);
54 sstr.imbue(locale);
55 sstr << year;
56 return sstr.str();
57}
58
59template <class CharT>
60static std::basic_string<CharT> stream_ja_JP_locale(std::chrono::year year) {
61 std::basic_stringstream<CharT> sstr;
62 const std::locale locale(LOCALE_ja_JP_UTF_8);
63 sstr.imbue(locale);
64 sstr << year;
65 return sstr.str();
66}
67
68template <class CharT>
69static void test() {
70 TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{-32'768}), SV("-32768 is not a valid year"));
71 TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{-32'767}), SV("-32767"));
72 TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{0}), SV("0000"));
73 TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{1970}), SV("1970"));
74 TEST_EQUAL(stream_c_locale<CharT>(std::chrono::year{32'767}), SV("32767"));
75
76 TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{-32'768}), SV("-32768 is not a valid year"));
77 TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{-32'767}), SV("-32767"));
78 TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{0}), SV("0000"));
79 TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{1970}), SV("1970"));
80 TEST_EQUAL(stream_fr_FR_locale<CharT>(std::chrono::year{32'767}), SV("32767"));
81
82 TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{-32'768}), SV("-32768 is not a valid year"));
83 TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{-32'767}), SV("-32767"));
84 TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{0}), SV("0000"));
85 TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{1970}), SV("1970"));
86 TEST_EQUAL(stream_ja_JP_locale<CharT>(std::chrono::year{32'767}), SV("32767"));
87}
88
89int main(int, char**) {
90 test<char>();
91
92#ifndef TEST_HAS_NO_WIDE_CHARACTERS
93 test<wchar_t>();
94#endif
95
96 return 0;
97}
98

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