libcxx/test/std/time/time.zone/time.zone.zonedtime/copy.assign.pass.cpp

   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 zoned_time&) = default;
  21
  22 #include <cassert>
  23 #include <chrono>
  24 #include <concepts>
  25
  26 int main(int, char**) {
  27   std::chrono::zoned_time<std::chrono::seconds> zt{std::chrono::sys_seconds{std::chrono::seconds{42}}};
  28   assert(zt.get_time_zone() == std::chrono::locate_zone("UTC"));
  29   assert(zt.get_sys_time() == std::chrono::sys_seconds{std::chrono::seconds{42}});
  30
  31   std::chrono::zoned_time<std::chrono::seconds> copy;
  32   copy                                                                               = zt;
  33   std::same_as<std::chrono::zoned_time<std::chrono::seconds>&> decltype(auto) result = (copy = zt);
  34   assert(&result == &copy);
  35   assert(copy.get_time_zone() == std::chrono::locate_zone("UTC"));
  36   assert(copy.get_sys_time() == std::chrono::sys_seconds{std::chrono::seconds{42}});
  37
  38   return 0;
  39 }