ceph/src/boost/libs/thread/test/sync/mutual_exclusion/locks/shared_lock/locking/unlock_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 shared_lock;
  18
  19 // template <class Rep, class Period>
  20 //   bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
  21
  22 #include <boost/thread/lock_types.hpp>
  23 //#include <boost/thread/shared_mutex.hpp>
  24 #include <boost/detail/lightweight_test.hpp>
  25
  26 bool unlock_called = false;
  27
  28 struct shared_mutex
  29 {
  30   void lock_shared()
  31   {
  32   }
  33   void unlock_shared()
  34   {
  35     unlock_called = true;
  36   }
  37 };
  38
  39 shared_mutex m;
  40
  41 int main()
  42 {
  43   boost::shared_lock<shared_mutex> lk(m);
  44   lk.unlock();
  45   BOOST_TEST(unlock_called == true);
  46   BOOST_TEST(lk.owns_lock() == false);
  47   try
  48   {
  49     lk.unlock();
  50     BOOST_TEST(false);
  51   }
  52   catch (boost::system::system_error& e)
  53   {
  54     BOOST_TEST(e.code().value() == boost::system::errc::operation_not_permitted);
  55   }
  56   lk.release();
  57   try
  58   {
  59     lk.unlock();
  60     BOOST_TEST(false);
  61   }
  62   catch (boost::system::system_error& e)
  63   {
  64     BOOST_TEST(e.code().value() == boost::system::errc::operation_not_permitted);
  65   }
  66
  67   return boost::report_errors();
  68 }
  69