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1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Copyright (C) 2011 Vicente J. Botet Escriba
12 // Distributed under the Boost Software License, Version 1.0. (See accompanying
13 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
15 // <boost/thread/shared_mutex.hpp>
17 // template <class Mutex> class upgrade_lock;
19 // upgrade_lock(upgrade_lock const&) = delete;
22 #include <boost/thread/lock_types.hpp>
23 #include <boost/thread/shared_mutex.hpp>
24 #include <boost/detail/lightweight_test.hpp>
26 boost::shared_mutex m0
;
27 boost::shared_mutex m1
;
32 boost::upgrade_lock
<boost::shared_mutex
> lk0(m0
);
33 boost::upgrade_lock
<boost::shared_mutex
> lk1(m1
);
34 lk1
= boost::move(lk0
);
35 BOOST_TEST(lk1
.mutex() == &m0
);
36 BOOST_TEST(lk1
.owns_lock() == true);
37 BOOST_TEST(lk0
.mutex() == 0);
38 BOOST_TEST(lk0
.owns_lock() == false);
42 boost::upgrade_lock
<boost::shared_mutex
> lk1
;
43 lk1
= BOOST_THREAD_MAKE_RV_REF(boost::upgrade_lock
<boost::shared_mutex
>(m0
));
44 BOOST_TEST(lk1
.mutex() == &m0
);
45 BOOST_TEST(lk1
.owns_lock() == true);
48 boost::unique_lock
<boost::shared_mutex
> lk0(m0
);
49 boost::upgrade_lock
<boost::shared_mutex
> lk1(m1
);
50 lk1
= BOOST_THREAD_MAKE_RV_REF(boost::upgrade_lock
<boost::shared_mutex
>(boost::move(lk0
)));
51 BOOST_TEST(lk1
.mutex() == &m0
);
52 BOOST_TEST(lk1
.owns_lock() == true);
53 BOOST_TEST(lk0
.mutex() == 0);
54 BOOST_TEST(lk0
.owns_lock() == false);
58 boost::upgrade_lock
<boost::shared_mutex
> lk1
;
59 lk1
= BOOST_THREAD_MAKE_RV_REF(boost::upgrade_lock
<boost::shared_mutex
>(boost::unique_lock
<boost::shared_mutex
>(m0
)));
60 BOOST_TEST(lk1
.mutex() == &m0
);
61 BOOST_TEST(lk1
.owns_lock() == true);
63 return boost::report_errors();