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 // class time_zone_link 18 // { 19 // time_zone_link(time_zone_link&&) = default; 20 // time_zone_link& operator=(time_zone_link&&) = default; 21 // 22 // ... 23 // }; 24 25 #include <chrono> 26 #include <concepts> 27 #include <type_traits> 28 29 #include "test_macros.h" 30 31 // It's impossible to actually obtain a non-const reference to a 32 // time_zone_link, and as a result the move constructor can never be exercised 33 // in runtime code. We still check the property pedantically. 34 LIBCPP_STATIC_ASSERT(!std::copy_constructible<std::chrono::time_zone_link>); 35 LIBCPP_STATIC_ASSERT(!std::is_copy_assignable_v<std::chrono::time_zone_link>); 36 static_assert(std::move_constructible<std::chrono::time_zone_link>); 37 static_assert(std::is_move_assignable_v<std::chrono::time_zone_link>); 38