/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2009 University of Washington

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#include "test.h"

#include "traced-callback.h"

using namespace ns3;

class BasicTracedCallbackTestCase : public TestCase

{

public:

  BasicTracedCallbackTestCase ();

  virtual ~BasicTracedCallbackTestCase () {}

private:

  virtual bool DoRun (void);

  void CbOne (uint8_t a, double b);

  void CbTwo (uint8_t a, double b);

  bool m_one;

  bool m_two;

};

BasicTracedCallbackTestCase::BasicTracedCallbackTestCase ()

  : TestCase ("Check basic TracedCallback operation")

{

}

void

BasicTracedCallbackTestCase::CbOne (uint8_t a, double b)

{

  m_one = true;

}

void

BasicTracedCallbackTestCase::CbTwo (uint8_t a, double b)

{

  m_two = true;

}

bool

BasicTracedCallbackTestCase::DoRun (void)

{

  //

  // Create a traced callback and connect it up to our target methods.  All that

  // these methods do is to set corresponding member variables m_one and m_two.

  //

  TracedCallback<uint8_t, double> trace;

  //

  // Connect both callbacks to their respective test methods.  If we hit the 

  // trace, both callbacks should be called and the two variables  should be set

  // to true.

  //

  trace.ConnectWithoutContext (MakeCallback (&BasicTracedCallbackTestCase::CbOne, this));

  trace.ConnectWithoutContext (MakeCallback (&BasicTracedCallbackTestCase::CbTwo, this));

  m_one = false;

  m_two = false;

  trace (1, 2);

  NS_TEST_ASSERT_MSG_EQ (m_one, true, "Callback CbOne not called");

  NS_TEST_ASSERT_MSG_EQ (m_two, true, "Callback CbTwo not called");

  //

  // If we now disconnect callback one then only callback two should be called.

  //

  trace.DisconnectWithoutContext (MakeCallback (&BasicTracedCallbackTestCase::CbOne, this));

  m_one = false;

  m_two = false;

  trace (1, 2);

  NS_TEST_ASSERT_MSG_EQ (m_one, false, "Callback CbOne unexpectedly called");

  NS_TEST_ASSERT_MSG_EQ (m_two, true, "Callback CbTwo not called");

  //

  // If we now disconnect callback two then neither callback should be called.

  //

  trace.DisconnectWithoutContext (MakeCallback (&BasicTracedCallbackTestCase::CbTwo, this));

  m_one = false;

  m_two = false;

  trace (1, 2);

  NS_TEST_ASSERT_MSG_EQ (m_one, false, "Callback CbOne unexpectedly called");

  NS_TEST_ASSERT_MSG_EQ (m_two, false, "Callback CbTwo unexpectedly called");

  //

  // If we connect them back up, then both callbacks should be called.

  //

  trace.ConnectWithoutContext (MakeCallback (&BasicTracedCallbackTestCase::CbOne, this));

  trace.ConnectWithoutContext (MakeCallback (&BasicTracedCallbackTestCase::CbTwo, this));

  m_one = false;

  m_two = false;

  trace (1, 2);

  NS_TEST_ASSERT_MSG_EQ (m_one, true, "Callback CbOne not called");

  NS_TEST_ASSERT_MSG_EQ (m_two, true, "Callback CbTwo not called");

  return GetErrorStatus ();

}

class TracedCallbackTestSuite : public TestSuite

{

public:

  TracedCallbackTestSuite ();

};

TracedCallbackTestSuite::TracedCallbackTestSuite ()

  : TestSuite ("traced-callback", UNIT)

{

  AddTestCase (new BasicTracedCallbackTestCase);

}

TracedCallbackTestSuite tracedCallbackTestSuite;