477f6bc407
There are discussions about different ways of implementing `stop_token` to make it more performant mark `stop_token` as experimental to allow us to change the design before it is shipped Co-authored-by: Louis Dionne <ldionne.2@gmail.com> Differential Revision: https://reviews.llvm.org/D154700
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// UNSUPPORTED: no-threads
|
|
// UNSUPPORTED: libcpp-has-no-experimental-stop_token
|
|
// UNSUPPORTED: c++03, c++11, c++14, c++17
|
|
// XFAIL: availability-synchronization_library-missing
|
|
|
|
// void swap(stop_source& rhs) noexcept;
|
|
|
|
#include <cassert>
|
|
#include <concepts>
|
|
#include <stop_token>
|
|
#include <type_traits>
|
|
|
|
#include "test_macros.h"
|
|
|
|
template <class T>
|
|
concept IsNoThrowMemberSwappable = requires(T& t) {
|
|
{ t.swap(t) } noexcept;
|
|
};
|
|
|
|
static_assert(IsNoThrowMemberSwappable<std::stop_source>);
|
|
|
|
int main(int, char**) {
|
|
{
|
|
std::stop_source ss1;
|
|
std::stop_source ss2;
|
|
|
|
assert(ss1 != ss2);
|
|
|
|
ss2.request_stop();
|
|
|
|
assert(!ss1.stop_requested());
|
|
assert(ss2.stop_requested());
|
|
|
|
ss1.swap(ss2);
|
|
|
|
assert(ss1 != ss2);
|
|
assert(ss1.stop_requested());
|
|
assert(!ss2.stop_requested());
|
|
}
|
|
|
|
return 0;
|
|
}
|