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(const stop_token&) noexcept;
14
15#include <cassert>
16#include <stop_token>
17#include <type_traits>
18
19#include "test_macros.h"
20
21static_assert(std::is_nothrow_copy_constructible_v<std::stop_token>);
22
23int main(int, char**) {
24 {
25 std::stop_source source;
26 auto st = source.get_token();
27 std::stop_token copy{st};
28
29 assert(st == copy);
30
31 assert(st.stop_possible());
32 assert(!st.stop_requested());
33
34 assert(copy.stop_possible());
35 assert(!copy.stop_requested());
36
37 source.request_stop();
38 assert(st.stop_possible());
39 assert(st.stop_requested());
40
41 assert(copy.stop_possible());
42 assert(copy.stop_requested());
43
44 }
45
46 return 0;
47}
48

source code of libcxx/test/std/thread/thread.stoptoken/stoptoken/cons.copy.pass.cpp