libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/move_ctor_shared_lock_until_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/locks.hpp>
  16
  17 // template <class Mutex> class unique_lock;
  18
  19 //         template <class Clock, class Duration>
  20 //         unique_lock(shared_lock<mutex_type>&&,
  21 //                     const chrono::time_point<Clock, Duration>&);
  22
  23 #define BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
  24 #define BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
  25 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
  26
  27 #include <boost/thread/lock_types.hpp>
  28 #include <boost/thread/shared_mutex.hpp>
  29 #include <boost/detail/lightweight_test.hpp>
  30
  31 boost::shared_mutex m;
  32
  33 int main()
  34 {
  35   {
  36     boost::shared_lock<boost::shared_mutex> lk0(m);
  37     boost::unique_lock<boost::shared_mutex> lk( boost::move(lk0), boost::chrono::steady_clock::now()+boost::chrono::milliseconds(1));
  38     BOOST_TEST(lk.mutex() == &m);
  39     BOOST_TEST(lk.owns_lock() == true);
  40     BOOST_TEST(lk0.mutex() == 0);
  41     BOOST_TEST(lk0.owns_lock() == false);
  42   }
  43   {
  44     boost::unique_lock<boost::shared_mutex>
  45         lk( boost::shared_lock<boost::shared_mutex>(m), boost::chrono::steady_clock::now()+boost::chrono::milliseconds(1));
  46     BOOST_TEST(lk.mutex() == &m);
  47     BOOST_TEST(lk.owns_lock() == true);
  48   }
  49   {
  50     boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock);
  51     boost::unique_lock<boost::shared_mutex> lk( boost::move(lk0), boost::chrono::steady_clock::now()+boost::chrono::milliseconds(1));
  52     BOOST_TEST(lk.mutex() == &m);
  53     BOOST_TEST(lk.owns_lock() == false);
  54     BOOST_TEST(lk0.mutex() == 0);
  55     BOOST_TEST(lk0.owns_lock() == false);
  56   }
  57   {
  58     boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock);
  59     lk0.release();
  60     boost::unique_lock<boost::shared_mutex> lk( boost::move(lk0), boost::chrono::steady_clock::now()+boost::chrono::milliseconds(1));
  61     BOOST_TEST(lk.mutex() == 0);
  62     BOOST_TEST(lk.owns_lock() == false);
  63     BOOST_TEST(lk0.mutex() == 0);
  64     BOOST_TEST(lk0.owns_lock() == false);
  65   }
  66
  67   return boost::report_errors();
  68 }
  69