llvm-project/libcxx/test/std/atomics/atomics.flag/init.pass.cpp

26 lines
639 B
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: libcpp-has-no-threads
// XFAIL: c++98, c++03
// <atomic>
// struct atomic_flag
// atomic_flag() = ATOMIC_FLAG_INIT;
#include <atomic>
#include <cassert>
int main()
{
std::atomic_flag f = ATOMIC_FLAG_INIT;
assert(f.test_and_set() == 0);
}