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 12 // TODO FMT This test should not require std::to_chars(floating-point) 13 // XFAIL: availability-fp_to_chars-missing 14 15 // XFAIL: libcpp-has-no-experimental-tzdb 16 17 // REQUIRES: locale.fr_FR.UTF-8 18 // REQUIRES: locale.ja_JP.UTF-8 19 20 // <chrono> 21 // 22 // template<class charT> struct formatter<chrono::sys_info, charT>; 23 24 #include <chrono> 25 #include <format> 26 27 #include <cassert> 28 #include <concepts> 29 #include <locale> 30 #include <iostream> 31 #include <type_traits> 32 33 #include "formatter_tests.h" 34 #include "make_string.h" 35 #include "platform_support.h" // locale name macros 36 #include "test_macros.h" 37 38 template <class CharT> 39 static void test_no_chrono_specs() { 40 // This test libc++ specific due to 41 // [time.zone.info.sys]/7 42 // Effects: Streams out the sys_info object r in an unspecified format. 43 #ifdef _LIBCPP_VERSION 44 using namespace std::literals::chrono_literals; 45 namespace tz = std::chrono; 46 47 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8)); 48 49 // Non localized output 50 51 check(SV("[-10484-10-16 15:30:08, 14423-03-17 15:30:07) 00:00:00 0min \"TZ\""), 52 SV("{}"), 53 tz::sys_info{tz::sys_seconds::min(), tz::sys_seconds::max(), 0s, 0min, "TZ"}); 54 55 check(SV("[1970-01-01 00:00:00, 2038-12-31 00:00:00) 12:23:45 -67min \"DMY\""), 56 SV("{}"), 57 tz::sys_info{static_cast<tz::sys_days>(tz::year_month_day{1970y, tz::January, 1d}), 58 static_cast<tz::sys_days>(tz::year_month_day{2038y, tz::December, 31d}), 59 12h + 23min + 45s, 60 -67min, 61 "DMY"}); 62 63 std::locale::global(std::locale::classic()); 64 #endif // _LIBCPP_VERSION 65 } 66 67 template <class CharT> 68 static void test_valid_values() { 69 using namespace std::literals::chrono_literals; 70 71 constexpr std::basic_string_view<CharT> fmt = SV("{:%%z='%z'%t%%Ez='%Ez'%t%%Oz='%Oz'%t%%Z='%Z'%n}"); 72 constexpr std::basic_string_view<CharT> lfmt = SV("{:L%%z='%z'%t%%Ez='%Ez'%t%%Oz='%Oz'%t%%Z='%Z'%n}"); 73 74 const std::locale loc(LOCALE_ja_JP_UTF_8); 75 std::locale::global(std::locale(LOCALE_fr_FR_UTF_8)); 76 77 // Non localized output using C-locale 78 check(SV("%z='-0200'\t%Ez='-02:00'\t%Oz='-02:00'\t%Z='NEG'\n"), 79 fmt, 80 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, -2h, 0min, "NEG"}); 81 82 check(SV("%z='+0000'\t%Ez='+00:00'\t%Oz='+00:00'\t%Z='ZERO'\n"), 83 fmt, 84 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, 0s, 0min, "ZERO"}); 85 86 check(SV("%z='+1115'\t%Ez='+11:15'\t%Oz='+11:15'\t%Z='POS'\n"), 87 fmt, 88 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, 11h + 15min, 0min, "POS"}); 89 90 // Use the global locale (fr_FR) 91 check(SV("%z='-0200'\t%Ez='-02:00'\t%Oz='-02:00'\t%Z='NEG'\n"), 92 lfmt, 93 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, -2h, 0min, "NEG"}); 94 95 check(SV("%z='+0000'\t%Ez='+00:00'\t%Oz='+00:00'\t%Z='ZERO'\n"), 96 lfmt, 97 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, 0s, 0min, "ZERO"}); 98 99 check(SV("%z='+1115'\t%Ez='+11:15'\t%Oz='+11:15'\t%Z='POS'\n"), 100 lfmt, 101 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, 11h + 15min, 0min, "POS"}); 102 103 // Use supplied locale (ja_JP). 104 check(loc, 105 SV("%z='-0200'\t%Ez='-02:00'\t%Oz='-02:00'\t%Z='NEG'\n"), 106 lfmt, 107 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, -2h, 0min, "NEG"}); 108 109 check(loc, 110 SV("%z='+0000'\t%Ez='+00:00'\t%Oz='+00:00'\t%Z='ZERO'\n"), 111 lfmt, 112 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, 0s, 0min, "ZERO"}); 113 114 check(loc, 115 SV("%z='+1115'\t%Ez='+11:15'\t%Oz='+11:15'\t%Z='POS'\n"), 116 lfmt, 117 std::chrono::sys_info{std::chrono::sys_seconds{0s}, std::chrono::sys_seconds{0s}, 11h + 15min, 0min, "POS"}); 118 119 std::locale::global(std::locale::classic()); 120 } 121 122 template <class CharT> 123 static void test() { 124 test_no_chrono_specs<CharT>(); 125 test_valid_values<CharT>(); 126 127 check_invalid_types<CharT>({SV("z"), SV("Z"), SV("Ez"), SV("Oz")}, std::chrono::sys_info{}); 128 } 129 130 int main(int, char**) { 131 test<char>(); 132 133 #ifndef TEST_HAS_NO_WIDE_CHARACTERS 134 test<wchar_t>(); 135 #endif 136 137 return 0; 138 } 139