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 | |
22 | static_assert(std::is_nothrow_copy_constructible_v<std::stop_token>); |
23 | |
24 | int 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 | |