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

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