ceph/src/boost/libs/thread/test/sync/mutual_exclusion/locks/nested_strict_lock/owns_lock_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 nested_strict_lock;
   9
  10 // bool owns_lock(Mutex *) const;
  11
  12 #include <boost/thread/lock_types.hpp>
  13 #include <boost/thread/strict_lock.hpp>
  14 #include <boost/thread/mutex.hpp>
  15 #include <boost/detail/lightweight_test.hpp>
  16
  17 int main()
  18 {
  19   boost::mutex m;
  20   boost::mutex m2;
  21   {
  22     boost::unique_lock<boost::mutex> lk(m);
  23     {
  24       boost::nested_strict_lock<boost::unique_lock<boost::mutex> > nlk(lk);
  25       BOOST_TEST(nlk.owns_lock(&m) == true);
  26       BOOST_TEST(!nlk.owns_lock(&m2) == true);
  27     }
  28     BOOST_TEST(lk.owns_lock() == true && lk.mutex()==&m);
  29   }
  30   {
  31     m.lock();
  32     boost::unique_lock<boost::mutex> lk(m, boost::adopt_lock);
  33     {
  34       boost::nested_strict_lock<boost::unique_lock<boost::mutex> > nlk(lk);
  35       BOOST_TEST(nlk.owns_lock(&m) == true);
  36       BOOST_TEST(!nlk.owns_lock(&m2) == true);
  37     }
  38     BOOST_TEST(lk.owns_lock() == true && lk.mutex()==&m);
  39   }
  40   {
  41     boost::unique_lock<boost::mutex> lk(m, boost::defer_lock);
  42     {
  43       boost::nested_strict_lock<boost::unique_lock<boost::mutex> > nlk(lk);
  44       BOOST_TEST(nlk.owns_lock(&m) == true);
  45       BOOST_TEST(!nlk.owns_lock(&m2) == true);
  46     }
  47     BOOST_TEST(lk.owns_lock() == true && lk.mutex()==&m);
  48   }
  49   {
  50     boost::unique_lock<boost::mutex> lk(m, boost::try_to_lock);
  51     {
  52       boost::nested_strict_lock<boost::unique_lock<boost::mutex> > nlk(lk);
  53       BOOST_TEST(nlk.owns_lock(&m) == true);
  54       BOOST_TEST(!nlk.owns_lock(&m2) == true);
  55     }
  56     BOOST_TEST(lk.owns_lock() == true && lk.mutex()==&m);
  57   }
  58
  59   return boost::report_errors();
  60 }