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 | // jthread(jthread&& x) noexcept; |
15 | |
16 | #include <cassert> |
17 | #include <stop_token> |
18 | #include <thread> |
19 | #include <type_traits> |
20 | #include <utility> |
21 | |
22 | #include "make_test_thread.h" |
23 | #include "test_macros.h" |
24 | |
25 | static_assert(std::is_nothrow_move_constructible_v<std::jthread>); |
26 | |
27 | int main(int, char**) { |
28 | { |
29 | // x.get_id() == id() and get_id() returns the value of x.get_id() prior |
30 | // to the start of construction. |
31 | std::jthread j1 = support::make_test_jthread([] {}); |
32 | auto id1 = j1.get_id(); |
33 | |
34 | std::jthread j2(std::move(j1)); |
35 | assert(j1.get_id() == std::jthread::id()); |
36 | assert(j2.get_id() == id1); |
37 | } |
38 | |
39 | { |
40 | // ssource has the value of x.ssource prior to the start of construction |
41 | // and x.ssource.stop_possible() is false. |
42 | std::jthread j1 = support::make_test_jthread([] {}); |
43 | auto ss1 = j1.get_stop_source(); |
44 | |
45 | std::jthread j2(std::move(j1)); |
46 | assert(ss1 == j2.get_stop_source()); |
47 | assert(!j1.get_stop_source().stop_possible()); |
48 | assert(j2.get_stop_source().stop_possible()); |
49 | } |
50 | |
51 | return 0; |
52 | } |
53 | |