| 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 | // zoned_time() -> zoned_time<seconds>; |
| 18 | // |
| 19 | // template<class Duration> |
| 20 | // zoned_time(sys_time<Duration>) |
| 21 | // -> zoned_time<common_type_t<Duration, seconds>>; |
| 22 | // |
| 23 | // template<class TimeZonePtrOrName> |
| 24 | // using time-zone-representation = // exposition only |
| 25 | // conditional_t<is_convertible_v<TimeZonePtrOrName, string_view>, |
| 26 | // const time_zone*, |
| 27 | // remove_cvref_t<TimeZonePtrOrName>>; |
| 28 | // |
| 29 | // template<class TimeZonePtrOrName> |
| 30 | // zoned_time(TimeZonePtrOrName&&) |
| 31 | // -> zoned_time<seconds, time-zone-representation<TimeZonePtrOrName>>; |
| 32 | // |
| 33 | // template<class TimeZonePtrOrName, class Duration> |
| 34 | // zoned_time(TimeZonePtrOrName&&, sys_time<Duration>) |
| 35 | // -> zoned_time<common_type_t<Duration, seconds>, |
| 36 | // time-zone-representation<TimeZonePtrOrName>>; |
| 37 | // |
| 38 | // template<class TimeZonePtrOrName, class Duration> |
| 39 | // zoned_time(TimeZonePtrOrName&&, local_time<Duration>, |
| 40 | // choose = choose::earliest) |
| 41 | // -> zoned_time<common_type_t<Duration, seconds>, |
| 42 | // time-zone-representation<TimeZonePtrOrName>>; |
| 43 | // |
| 44 | // template<class Duration, class TimeZonePtrOrName, class TimeZonePtr2> |
| 45 | // zoned_time(TimeZonePtrOrName&&, zoned_time<Duration, TimeZonePtr2>, |
| 46 | // choose = choose::earliest) |
| 47 | // -> zoned_time<common_type_t<Duration, seconds>, |
| 48 | // time-zone-representation<TimeZonePtrOrName>>; |
| 49 | |
| 50 | #include <chrono> |
| 51 | #include <concepts> |
| 52 | #include <string> |
| 53 | |
| 54 | #include "test_offset_time_zone.h" |
| 55 | |
| 56 | namespace cr = std::chrono; |
| 57 | |
| 58 | // Verify the results of the constructed object. |
| 59 | int main(int, char**) { |
| 60 | { |
| 61 | // zoned_time() -> zoned_time<seconds>; |
| 62 | cr::zoned_time zt; |
| 63 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 64 | } |
| 65 | |
| 66 | { |
| 67 | // template<class Duration> |
| 68 | // zoned_time(sys_time<Duration>) |
| 69 | // -> zoned_time<common_type_t<Duration, seconds>>; |
| 70 | { |
| 71 | cr::zoned_time zt{cr::sys_time<cr::nanoseconds>{cr::nanoseconds{0}}}; |
| 72 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::nanoseconds, const cr::time_zone*>>); |
| 73 | } |
| 74 | { |
| 75 | cr::zoned_time zt{cr::sys_time<cr::seconds>{cr::seconds{0}}}; |
| 76 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 77 | } |
| 78 | { |
| 79 | cr::zoned_time zt{cr::sys_time<cr::days>{cr::days{0}}}; |
| 80 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | { |
| 85 | // template<class TimeZonePtrOrName> |
| 86 | // zoned_time(TimeZonePtrOrName&&) |
| 87 | // -> zoned_time<seconds, time-zone-representation<TimeZonePtrOrName>>; |
| 88 | { // Name |
| 89 | { |
| 90 | cr::zoned_time zt{"UTC" }; |
| 91 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 92 | } |
| 93 | { |
| 94 | cr::zoned_time zt{std::string{"UTC" }}; |
| 95 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 96 | } |
| 97 | { |
| 98 | cr::zoned_time zt{std::string_view{"UTC" }}; |
| 99 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 100 | } |
| 101 | } |
| 102 | { // TimeZonePtr |
| 103 | { |
| 104 | cr::zoned_time zt{static_cast<const cr::time_zone*>(nullptr)}; |
| 105 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 106 | } |
| 107 | { |
| 108 | cr::zoned_time zt{offset_time_zone<offset_time_zone_flags::none>{}}; |
| 109 | static_assert( |
| 110 | std::same_as< decltype(zt), cr::zoned_time<cr::seconds, offset_time_zone<offset_time_zone_flags::none>>>); |
| 111 | } |
| 112 | { |
| 113 | cr::zoned_time zt{offset_time_zone<offset_time_zone_flags::has_default_zone>{}}; |
| 114 | static_assert( |
| 115 | std::same_as<decltype(zt), |
| 116 | cr::zoned_time<cr::seconds, offset_time_zone<offset_time_zone_flags::has_default_zone>>>); |
| 117 | } |
| 118 | { |
| 119 | cr::zoned_time zt{offset_time_zone<offset_time_zone_flags::has_locate_zone>{}}; |
| 120 | static_assert( |
| 121 | std::same_as<decltype(zt), |
| 122 | cr::zoned_time<cr::seconds, offset_time_zone<offset_time_zone_flags::has_locate_zone>>>); |
| 123 | } |
| 124 | { |
| 125 | cr::zoned_time zt{offset_time_zone<offset_time_zone_flags::both>{}}; |
| 126 | static_assert( |
| 127 | std::same_as< decltype(zt), cr::zoned_time<cr::seconds, offset_time_zone<offset_time_zone_flags::both>>>); |
| 128 | } |
| 129 | |
| 130 | // There are no requirements on the TimeZonePtr type. |
| 131 | { |
| 132 | cr::zoned_time zt{0}; |
| 133 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, int>>); |
| 134 | } |
| 135 | { |
| 136 | cr::zoned_time zt{0.0}; |
| 137 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, double>>); |
| 138 | } |
| 139 | { |
| 140 | cr::zoned_time zt{cr::seconds{}}; |
| 141 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, cr::seconds>>); |
| 142 | } |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | { |
| 147 | // template<class TimeZonePtrOrName, class Duration> |
| 148 | // zoned_time(TimeZonePtrOrName&&, sys_time<Duration>) |
| 149 | // -> zoned_time<common_type_t<Duration, seconds>, |
| 150 | // time-zone-representation<TimeZonePtrOrName>>; |
| 151 | { // Name |
| 152 | { |
| 153 | cr::zoned_time zt{"UTC" , cr::sys_time<cr::nanoseconds>{}}; |
| 154 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::nanoseconds, const cr::time_zone*>>); |
| 155 | } |
| 156 | { |
| 157 | cr::zoned_time zt{"UTC" , cr::sys_time<cr::days>{}}; |
| 158 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | { // TimeZonePtr |
| 163 | { |
| 164 | cr::zoned_time zt{static_cast<const cr::time_zone*>(nullptr), cr::sys_time<cr::nanoseconds>{}}; |
| 165 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::nanoseconds, const cr::time_zone*>>); |
| 166 | } |
| 167 | { |
| 168 | cr::zoned_time zt{static_cast<const cr::time_zone*>(nullptr), cr::sys_time<cr::days>{}}; |
| 169 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 170 | } |
| 171 | { |
| 172 | cr::zoned_time zt{offset_time_zone<offset_time_zone_flags::none>{}, cr::sys_time<cr::nanoseconds>{}}; |
| 173 | static_assert(std::same_as< decltype(zt), |
| 174 | cr::zoned_time<cr::nanoseconds, offset_time_zone<offset_time_zone_flags::none>>>); |
| 175 | } |
| 176 | { |
| 177 | cr::zoned_time zt{offset_time_zone<offset_time_zone_flags::none>{}, cr::sys_time<cr::days>{}}; |
| 178 | static_assert( |
| 179 | std::same_as< decltype(zt), cr::zoned_time<cr::seconds, offset_time_zone<offset_time_zone_flags::none>>>); |
| 180 | } |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | { |
| 185 | // template<class TimeZonePtrOrName, class Duration> |
| 186 | // zoned_time(TimeZonePtrOrName&&, local_time<Duration>, |
| 187 | // choose = choose::earliest) |
| 188 | // -> zoned_time<common_type_t<Duration, seconds>, |
| 189 | // time-zone-representation<TimeZonePtrOrName>>; |
| 190 | { // Name |
| 191 | { |
| 192 | cr::zoned_time zt{"UTC" , cr::local_time<cr::nanoseconds>{}}; |
| 193 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::nanoseconds, const cr::time_zone*>>); |
| 194 | } |
| 195 | { |
| 196 | cr::zoned_time zt{"UTC" , cr::local_time<cr::days>{}, cr::choose::earliest}; |
| 197 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 198 | } |
| 199 | } |
| 200 | { // TimeZonePtr |
| 201 | { |
| 202 | cr::zoned_time zt{cr::locate_zone("UTC" ), cr::local_time<cr::nanoseconds>{}}; |
| 203 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::nanoseconds, const cr::time_zone*>>); |
| 204 | } |
| 205 | { |
| 206 | cr::zoned_time zt{cr::locate_zone("UTC" ), cr::local_time<cr::days>{}, cr::choose::earliest}; |
| 207 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | { |
| 213 | // template<class Duration, class TimeZonePtrOrName, class TimeZonePtr2> |
| 214 | // zoned_time(TimeZonePtrOrName&&, zoned_time<Duration, TimeZonePtr2>, |
| 215 | // choose = choose::earliest) |
| 216 | // -> zoned_time<common_type_t<Duration, seconds>, |
| 217 | // time-zone-representation<TimeZonePtrOrName>>; |
| 218 | { // Name |
| 219 | { |
| 220 | cr::zoned_time zt{ |
| 221 | "UTC" , cr::zoned_time<cr::nanoseconds, offset_time_zone<offset_time_zone_flags::has_default_zone>>{}}; |
| 222 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::nanoseconds, const cr::time_zone*>>); |
| 223 | } |
| 224 | { |
| 225 | cr::zoned_time zt{"UTC" , |
| 226 | cr::zoned_time<cr::days, offset_time_zone<offset_time_zone_flags::has_default_zone>>{}, |
| 227 | cr::choose::earliest}; |
| 228 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 229 | } |
| 230 | } |
| 231 | { // TimeZonePtr |
| 232 | { |
| 233 | cr::zoned_time zt{ |
| 234 | cr::locate_zone("UTC" ), |
| 235 | cr::zoned_time<cr::nanoseconds, offset_time_zone<offset_time_zone_flags::has_default_zone>>{}}; |
| 236 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::nanoseconds, const cr::time_zone*>>); |
| 237 | } |
| 238 | { |
| 239 | cr::zoned_time zt{cr::locate_zone("UTC" ), |
| 240 | cr::zoned_time<cr::days, offset_time_zone<offset_time_zone_flags::has_default_zone>>{}, |
| 241 | cr::choose::earliest}; |
| 242 | static_assert(std::same_as<decltype(zt), cr::zoned_time<cr::seconds, const cr::time_zone*>>); |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | return 0; |
| 248 | } |
| 249 | |