53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: no-threads
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// UNSUPPORTED: libcpp-has-no-experimental-stop_token
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// XFAIL: availability-synchronization_library-missing
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// jthread(jthread&& x) noexcept;
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#include <cassert>
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#include <stop_token>
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#include <thread>
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#include <type_traits>
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#include <utility>
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#include "make_test_thread.h"
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#include "test_macros.h"
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static_assert(std::is_nothrow_move_constructible_v<std::jthread>);
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int main(int, char**) {
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{
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// x.get_id() == id() and get_id() returns the value of x.get_id() prior
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// to the start of construction.
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std::jthread j1 = support::make_test_jthread([] {});
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auto id1 = j1.get_id();
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std::jthread j2(std::move(j1));
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assert(j1.get_id() == std::jthread::id());
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assert(j2.get_id() == id1);
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}
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{
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// ssource has the value of x.ssource prior to the start of construction
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// and x.ssource.stop_possible() is false.
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std::jthread j1 = support::make_test_jthread([] {});
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auto ss1 = j1.get_stop_source();
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std::jthread j2(std::move(j1));
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assert(ss1 == j2.get_stop_source());
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assert(!j1.get_stop_source().stop_possible());
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assert(j2.get_stop_source().stop_possible());
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}
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return 0;
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}
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