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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Copyright (C) 2011 Vicente J. Botet Escriba
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// <boost/thread/locks.hpp>
// template <class Mutex> class upgrade_lock;
// upgrade_lock(upgrade_lock const&) = delete;
#include <boost/thread/lock_types.hpp>
#include <boost/thread/shared_mutex.hpp>
#include <boost/detail/lightweight_test.hpp>
int main()
{
boost::upgrade_lock<boost::shared_mutex> ul;
BOOST_TEST(!ul.owns_lock());
BOOST_TEST(ul.mutex() == 0);
return boost::report_errors();
}