ceph/src/boost/libs/thread/test/sync/mutual_exclusion/locks/reverse_lock/unique_lock_ctor_pass.cpp

   1 // Copyright (C) 2012 Vicente J. Botet Escriba
   2 //
   3 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 // <boost/thread/locks.hpp>
   7
   8 // template <class Mutex> class unlock_guard;
   9
  10 // unlock_guard(unlock_guard const&) = delete;
  11
  12 #include <boost/thread/reverse_lock.hpp>
  13 #include <boost/thread/lock_types.hpp>
  14 #include <boost/thread/mutex.hpp>
  15 #include <boost/thread/thread.hpp>
  16 #include <boost/detail/lightweight_test.hpp>
  17
  18
  19 int main()
  20 {
  21   {
  22     boost::mutex m;
  23     boost::unique_lock<boost::mutex> lk(m);
  24     BOOST_TEST(lk.owns_lock());
  25     BOOST_TEST(lk.mutex()==&m);
  26
  27     {
  28       boost::reverse_lock<boost::unique_lock<boost::mutex> > lg(lk);
  29       BOOST_TEST(!lk.owns_lock());
  30       BOOST_TEST(lk.mutex()==0);
  31     }
  32     BOOST_TEST(lk.owns_lock());
  33     BOOST_TEST(lk.mutex()==&m);
  34   }
  35
  36   {
  37     boost::mutex m;
  38     boost::unique_lock<boost::mutex> lk(m, boost::defer_lock);
  39     BOOST_TEST(! lk.owns_lock());
  40     BOOST_TEST(lk.mutex()==&m);
  41     {
  42       boost::reverse_lock<boost::unique_lock<boost::mutex> > lg(lk);
  43       BOOST_TEST(!lk.owns_lock());
  44       BOOST_TEST(lk.mutex()==0);
  45     }
  46     BOOST_TEST(lk.owns_lock());
  47     BOOST_TEST(lk.mutex()==&m);
  48   }
  49
  50
  51   return boost::report_errors();
  52 }