15a83710eSEric Fiselier //===----------------------------------------------------------------------===//
25a83710eSEric Fiselier //
357b08b09SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
457b08b09SChandler Carruth // See https://llvm.org/LICENSE.txt for license information.
557b08b09SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
65a83710eSEric Fiselier //
75a83710eSEric Fiselier //===----------------------------------------------------------------------===//
85a83710eSEric Fiselier //
9*a7f9895cSLouis Dionne // UNSUPPORTED: no-threads
105a83710eSEric Fiselier 
115a83710eSEric Fiselier // <mutex>
125a83710eSEric Fiselier 
135a83710eSEric Fiselier // template <class Mutex> class unique_lock;
145a83710eSEric Fiselier 
155a83710eSEric Fiselier // unique_lock();
165a83710eSEric Fiselier 
175a83710eSEric Fiselier #include <mutex>
185a83710eSEric Fiselier #include <cassert>
195a83710eSEric Fiselier 
207fc6a556SMarshall Clow #include "test_macros.h"
217fc6a556SMarshall Clow 
main(int,char **)222df59c50SJF Bastien int main(int, char**)
235a83710eSEric Fiselier {
245a83710eSEric Fiselier     std::unique_lock<std::mutex> ul;
255a83710eSEric Fiselier     assert(!ul.owns_lock());
265a83710eSEric Fiselier     assert(ul.mutex() == nullptr);
272df59c50SJF Bastien 
282df59c50SJF Bastien   return 0;
295a83710eSEric Fiselier }
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