ts_Mutex.cpp

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// this is for emacs file handling -*- mode: c++; indent-tabs-mode: nil -*-

// -- BEGIN LICENSE BLOCK ----------------------------------------------
// This file is part of FZIs ic_workspace.
//
// This program is free software licensed under the LGPL
// (GNU LESSER GENERAL PUBLIC LICENSE Version 3).
// You can find a copy of this license in LICENSE folder in the top
// directory of the source code.
//
// © Copyright 2014 FZI Forschungszentrum Informatik, Karlsruhe, Germany
//
// -- END LICENSE BLOCK ------------------------------------------------

//----------------------------------------------------------------------
//----------------------------------------------------------------------
#include <boost/test/unit_test.hpp>
#include <icl_core_thread/Mutex.h>
#include <icl_core_thread/Thread.h>

using icl_core::TimeSpan;
using icl_core::TimeStamp;
using icl_core::thread::Mutex;
using icl_core::thread::Thread;

const TimeSpan timeout(1, 0);

class MutexTestThread : public Thread
{
public:
  MutexTestThread(Mutex *mutex) :
    Thread("Mutex Test Thread"),
    m_has_run(false),
    m_mutex(mutex)
  {
  }

  virtual ~MutexTestThread()
  {
  }

  virtual void run()
  {
    BOOST_CHECK(!m_mutex->tryLock());
    BOOST_CHECK(!m_mutex->lock(timeout));
    BOOST_CHECK(!m_mutex->lock(TimeStamp::now() + timeout));

    m_has_run = true;
  }

  bool hasRun() const { return m_has_run; }

private:
  bool m_has_run;
  Mutex *m_mutex;
};

BOOST_AUTO_TEST_SUITE(ts_Mutex)

BOOST_AUTO_TEST_CASE(MutexLock)
{
  Mutex mutex;
  BOOST_CHECK(mutex.lock());
  mutex.unlock();
}

BOOST_AUTO_TEST_CASE(MutexTryLock)
{
  Mutex mutex;
  BOOST_CHECK(mutex.tryLock());
  mutex.unlock();
}

BOOST_AUTO_TEST_CASE(MutexLockAbsoluteTimeout)
{
  Mutex mutex;
  BOOST_CHECK(mutex.lock(TimeStamp::now() + TimeSpan(1, 0)));
  mutex.unlock();
}

BOOST_AUTO_TEST_CASE(MutexLockRelativeTimeout)
{
  Mutex mutex;
  BOOST_CHECK(mutex.lock(TimeSpan(1, 0)));
  mutex.unlock();
}

BOOST_AUTO_TEST_CASE(MultiThreadMutexTest)
{
  Mutex mutex;

  BOOST_CHECK(mutex.lock());

  MutexTestThread *thread = new MutexTestThread(&mutex);

  thread->start();
  thread->join();
  BOOST_CHECK(thread->hasRun());

  delete thread;

  mutex.unlock();
}

BOOST_AUTO_TEST_SUITE_END()