ceph/src/boost/libs/thread/test/sync/mutual_exclusion/locks/shared_lock/cons/move_assign_pass.cpp

   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/shared_mutex.hpp>
  16
  17 // template <class Mutex> class shared_lock;
  18
  19 // shared_lock(shared_lock const&) = delete;
  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::shared_mutex m0;
  27 boost::shared_mutex m1;
  28
  29 int main()
  30 {
  31   {
  32     boost::shared_lock<boost::shared_mutex> lk0(m0);
  33     boost::shared_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);
  39   }
  40   {
  41
  42     boost::shared_lock<boost::shared_mutex> lk1;
  43     lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(m0));
  44     BOOST_TEST(lk1.mutex() == &m0);
  45     BOOST_TEST(lk1.owns_lock() == true);
  46   }
  47   {
  48     boost::unique_lock<boost::shared_mutex> lk0(m0);
  49     boost::shared_lock<boost::shared_mutex> lk1(m1);
  50     lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_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);
  55   }
  56   {
  57
  58     boost::shared_lock<boost::shared_mutex> lk1;
  59     lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::unique_lock<boost::shared_mutex>(m0)));
  60     BOOST_TEST(lk1.mutex() == &m0);
  61     BOOST_TEST(lk1.owns_lock() == true);
  62   }
  63   {
  64     boost::upgrade_lock<boost::shared_mutex> lk0(m0);
  65     boost::shared_lock<boost::shared_mutex> lk1(m1);
  66     lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::move(lk0)));
  67     BOOST_TEST(lk1.mutex() == &m0);
  68     BOOST_TEST(lk1.owns_lock() == true);
  69     BOOST_TEST(lk0.mutex() == 0);
  70     BOOST_TEST(lk0.owns_lock() == false);
  71   }
  72   {
  73
  74     boost::shared_lock<boost::shared_mutex> lk1;
  75     lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::upgrade_lock<boost::shared_mutex>(m0)));
  76     BOOST_TEST(lk1.mutex() == &m0);
  77     BOOST_TEST(lk1.owns_lock() == true);
  78   }
  79   return boost::report_errors();
  80
  81 }
  82