| 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-filesystem, no-localization, no-tzdb |
| 11 | |
| 12 | // XFAIL: libcpp-has-no-experimental-tzdb |
| 13 | // XFAIL: availability-tzdb-missing |
| 14 | |
| 15 | // <chrono> |
| 16 | |
| 17 | // template<class Duration, class TimeZonePtr = const time_zone*> |
| 18 | // class zoned_time; |
| 19 | // |
| 20 | // zoned_time& operator=(const sys_time<Duration>& st); |
| 21 | |
| 22 | #include <cassert> |
| 23 | #include <chrono> |
| 24 | #include <concepts> |
| 25 | #include <type_traits> |
| 26 | |
| 27 | namespace cr = std::chrono; |
| 28 | |
| 29 | int main(int, char**) { |
| 30 | { |
| 31 | using duration = cr::nanoseconds; |
| 32 | using time_point = cr::sys_time<duration>; |
| 33 | using zoned_time = cr::zoned_time<duration>; |
| 34 | zoned_time zt{time_point{duration{42}}}; |
| 35 | |
| 36 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 37 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 38 | |
| 39 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 40 | assert(&result == &zt); |
| 41 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 42 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 43 | } |
| 44 | { |
| 45 | using duration = cr::microseconds; |
| 46 | using time_point = cr::sys_time<duration>; |
| 47 | using zoned_time = cr::zoned_time<duration>; |
| 48 | zoned_time zt{time_point{duration{42}}}; |
| 49 | |
| 50 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 51 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 52 | |
| 53 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 54 | assert(&result == &zt); |
| 55 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 56 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 57 | } |
| 58 | { |
| 59 | using duration = cr::milliseconds; |
| 60 | using time_point = cr::sys_time<duration>; |
| 61 | using zoned_time = cr::zoned_time<duration>; |
| 62 | zoned_time zt{time_point{duration{42}}}; |
| 63 | |
| 64 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 65 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 66 | |
| 67 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 68 | assert(&result == &zt); |
| 69 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 70 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 71 | } |
| 72 | { |
| 73 | using duration = cr::seconds; |
| 74 | using time_point = cr::sys_time<duration>; |
| 75 | using zoned_time = cr::zoned_time<duration>; |
| 76 | zoned_time zt{time_point{duration{42}}}; |
| 77 | |
| 78 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 79 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 80 | |
| 81 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 82 | assert(&result == &zt); |
| 83 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 84 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 85 | } |
| 86 | { |
| 87 | using duration = cr::days; |
| 88 | using time_point = cr::sys_time<duration>; |
| 89 | using zoned_time = cr::zoned_time<duration>; |
| 90 | zoned_time zt{time_point{duration{42}}}; |
| 91 | |
| 92 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 93 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 94 | |
| 95 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 96 | assert(&result == &zt); |
| 97 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 98 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 99 | } |
| 100 | { |
| 101 | using duration = cr::weeks; |
| 102 | using time_point = cr::sys_time<duration>; |
| 103 | using zoned_time = cr::zoned_time<duration>; |
| 104 | zoned_time zt{time_point{duration{42}}}; |
| 105 | |
| 106 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 107 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 108 | |
| 109 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 110 | assert(&result == &zt); |
| 111 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 112 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 113 | } |
| 114 | { |
| 115 | using duration = cr::months; |
| 116 | using time_point = cr::sys_time<duration>; |
| 117 | using zoned_time = cr::zoned_time<duration>; |
| 118 | zoned_time zt{time_point{duration{42}}}; |
| 119 | |
| 120 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 121 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 122 | |
| 123 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 124 | assert(&result == &zt); |
| 125 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 126 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 127 | } |
| 128 | { |
| 129 | using duration = cr::years; |
| 130 | using time_point = cr::sys_time<duration>; |
| 131 | using zoned_time = cr::zoned_time<duration>; |
| 132 | zoned_time zt{time_point{duration{42}}}; |
| 133 | |
| 134 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 135 | assert(zt.get_sys_time() == time_point{duration{42}}); |
| 136 | |
| 137 | std::same_as<zoned_time&> decltype(auto) result = zt = time_point{duration{99}}; |
| 138 | assert(&result == &zt); |
| 139 | assert(zt.get_time_zone() == cr::locate_zone("UTC" )); |
| 140 | assert(zt.get_sys_time() == time_point{duration{99}}); |
| 141 | } |
| 142 | |
| 143 | return 0; |
| 144 | } |
| 145 | |