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 // explicit stop_source(nostopstate_t) noexcept; 14 15 #include <cassert> 16 #include <stop_token> 17 #include <type_traits> 18 19 #include "test_macros.h" 20 21 static_assert(std::is_nothrow_constructible_v<std::stop_source, std::nostopstate_t>); 22 // explicit 23 static_assert(!std::is_convertible_v<std::nostopstate_t, std::stop_source>); 24 25 int main(int, char**) { 26 { 27 std::stop_source ss(std::nostopstate); 28 assert(!ss.stop_possible()); 29 assert(!ss.stop_requested()); 30 } 31 32 return 0; 33 } 34