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: no-threads 10 // UNSUPPORTED: c++03, c++11, c++14, c++17 11 // XFAIL: availability-synchronization_library-missing 12 13 // stop_token& operator=(stop_token&& rhs) noexcept; 14 15 #include <cassert> 16 #include <concepts> 17 #include <stop_token> 18 #include <type_traits> 19 #include <utility> 20 21 #include "test_macros.h" 22 23 static_assert(std::is_nothrow_move_assignable_v<std::stop_token>); 24 25 int main(int, char**) { 26 { 27 std::stop_token st1; 28 29 std::stop_source source; 30 auto st2 = source.get_token(); 31 32 assert(st1 != st2); 33 34 source.request_stop(); 35 36 assert(!st1.stop_requested()); 37 assert(st2.stop_requested()); 38 39 std::same_as<std::stop_token&> decltype(auto) ref = st1 = std::move(st2); 40 assert(&ref == &st1); 41 42 assert(st1 != st2); 43 assert(st1.stop_requested()); 44 assert(!st2.stop_requested()); 45 } 46 47 return 0; 48 } 49