1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // Copyright (C) 2011 Vicente J. Botet Escriba
11 //
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)
14 
15 // <boost/thread/locks.hpp>
16 
17 // template <class Mutex> class unique_lock;
18 
19 // unique_lock(upgrade_lock&& u);
20 
21 
22 #include <boost/thread/lock_types.hpp>
23 #include <boost/thread/shared_mutex.hpp>
24 #include <boost/detail/lightweight_test.hpp>
25 
26 boost::upgrade_mutex m;
27 
main()28 int main()
29 {
30   {
31   boost::upgrade_lock<boost::upgrade_mutex> lk0(m);
32   boost::unique_lock<boost::upgrade_mutex> lk( (boost::move(lk0)));
33   BOOST_TEST(lk.mutex() == &m);
34   BOOST_TEST(lk.owns_lock() == true);
35   BOOST_TEST(lk0.mutex() == 0);
36   BOOST_TEST(lk0.owns_lock() == false);
37   }
38   {
39   boost::unique_lock<boost::upgrade_mutex> lk( (BOOST_THREAD_MAKE_RV_REF(boost::upgrade_lock<boost::upgrade_mutex>(m))));
40   BOOST_TEST(lk.mutex() == &m);
41   BOOST_TEST(lk.owns_lock() == true);
42   }
43   {
44   boost::upgrade_lock<boost::upgrade_mutex> lk0(m, boost::defer_lock);
45   boost::unique_lock<boost::upgrade_mutex> lk( (boost::move(lk0)));
46   BOOST_TEST(lk.mutex() == &m);
47   BOOST_TEST(lk.owns_lock() == false);
48   BOOST_TEST(lk0.mutex() == 0);
49   BOOST_TEST(lk0.owns_lock() == false);
50   }
51   {
52   boost::upgrade_lock<boost::upgrade_mutex> lk0(m, boost::defer_lock);
53   lk0.release();
54   boost::unique_lock<boost::upgrade_mutex> lk( (boost::move(lk0)));
55   BOOST_TEST(lk.mutex() == 0);
56   BOOST_TEST(lk.owns_lock() == false);
57   BOOST_TEST(lk0.mutex() == 0);
58   BOOST_TEST(lk0.owns_lock() == false);
59   }
60 
61   return boost::report_errors();
62 }
63 
64