cxx/test/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.cons/default.pass.cpp

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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <mutex>
// template <class Mutex> class unique_lock;
// unique_lock();
#include <mutex>
#include <cassert>
int main()
{
std::unique_lock<std::mutex> ul;
assert(!ul.owns_lock());
assert(ul.mutex() == nullptr);
}