| 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 | // jthread(jthread&& x) noexcept; |
| 14 | |
| 15 | #include <cassert> |
| 16 | #include <stop_token> |
| 17 | #include <thread> |
| 18 | #include <type_traits> |
| 19 | #include <utility> |
| 20 | |
| 21 | #include "make_test_thread.h" |
| 22 | #include "test_macros.h" |
| 23 | |
| 24 | static_assert(std::is_nothrow_move_constructible_v<std::jthread>); |
| 25 | |
| 26 | int main(int, char**) { |
| 27 | { |
| 28 | // x.get_id() == id() and get_id() returns the value of x.get_id() prior |
| 29 | // to the start of construction. |
| 30 | std::jthread j1 = support::make_test_jthread([] {}); |
| 31 | auto id1 = j1.get_id(); |
| 32 | |
| 33 | std::jthread j2(std::move(j1)); |
| 34 | assert(j1.get_id() == std::jthread::id()); |
| 35 | assert(j2.get_id() == id1); |
| 36 | } |
| 37 | |
| 38 | { |
| 39 | // ssource has the value of x.ssource prior to the start of construction |
| 40 | // and x.ssource.stop_possible() is false. |
| 41 | std::jthread j1 = support::make_test_jthread([] {}); |
| 42 | auto ss1 = j1.get_stop_source(); |
| 43 | |
| 44 | std::jthread j2(std::move(j1)); |
| 45 | assert(ss1 == j2.get_stop_source()); |
| 46 | assert(!j1.get_stop_source().stop_possible()); |
| 47 | assert(j2.get_stop_source().stop_possible()); |
| 48 | } |
| 49 | |
| 50 | return 0; |
| 51 | } |
| 52 |