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 // jthread(jthread&& x) noexcept; 14 15 #include <cassert> 16 #include <stop_token> 17 #include <thread> 18 #include <type_traits> 19 #include <utility> 20 21 #include "make_test_thread.h" 22 #include "test_macros.h" 23 24 static_assert(std::is_nothrow_move_constructible_v<std::jthread>); 25 26 int main(int, char**) { 27 { 28 // x.get_id() == id() and get_id() returns the value of x.get_id() prior 29 // to the start of construction. 30 std::jthread j1 = support::make_test_jthread([] {}); 31 auto id1 = j1.get_id(); 32 33 std::jthread j2(std::move(j1)); 34 assert(j1.get_id() == std::jthread::id()); 35 assert(j2.get_id() == id1); 36 } 37 38 { 39 // ssource has the value of x.ssource prior to the start of construction 40 // and x.ssource.stop_possible() is false. 41 std::jthread j1 = support::make_test_jthread([] {}); 42 auto ss1 = j1.get_stop_source(); 43 44 std::jthread j2(std::move(j1)); 45 assert(ss1 == j2.get_stop_source()); 46 assert(!j1.get_stop_source().stop_possible()); 47 assert(j2.get_stop_source().stop_possible()); 48 } 49 50 return 0; 51 } 52