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//===----------------------------------------------------------------------===//
//
// 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
// <mutex>
// template <class Mutex> class unique_lock;
// unique_lock();
#include <mutex>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
std::unique_lock<std::mutex> ul;
assert(!ul.owns_lock());
assert(ul.mutex() == nullptr);
return 0;
}
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