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// XFAIL: c++03
10
11// <atomic>
12
13// struct atomic_flag
14
15// atomic_flag() = ATOMIC_FLAG_INIT;
16
17#include <atomic>
18#include <cassert>
19
20#include "test_macros.h"
21
22int main(int, char**)
23{
24 std::atomic_flag f = ATOMIC_FLAG_INIT;
25 assert(f.test_and_set() == 0);
26
27 return 0;
28}
29

source code of libcxx/test/std/atomics/atomics.flag/init.pass.cpp