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

/*

 * Copyright (c) 2011,2012 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)

 *

 * 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

 *

 * Author: Marco Miozzo <marco.miozzo@cttc.es>

 *         Nicola Baldo <nbaldo@cttc.es>

 */

#include <ns3/log.h>

#include <ns3/test.h>

#include <ns3/itu-r-1411-los-propagation-loss-model.h>

#include <ns3/string.h>

#include <ns3/double.h>

#include <ns3/constant-position-mobility-model.h>

#include <ns3/enum.h>

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("ItuR1411LosPropagationLossModelTest");

class ItuR1411LosPropagationLossModelTestCase : public TestCase

{

public:

  ItuR1411LosPropagationLossModelTestCase (double freq, double dist, double hb, double hm, double refValue, std::string name);

  virtual ~ItuR1411LosPropagationLossModelTestCase ();

private:

  virtual void DoRun (void);

  Ptr<MobilityModel> CreateMobilityModel (uint16_t index);

  double m_freq;

  double m_dist;

  double m_hb;

  double m_hm;

  double m_lossRef;

};

ItuR1411LosPropagationLossModelTestCase::ItuR1411LosPropagationLossModelTestCase (double freq, double dist, double hb, double hm, double refValue, std::string name)

  : TestCase (name),

    m_freq (freq),

    m_dist (dist),

    m_hb (hb),

    m_hm (hm),

    m_lossRef (refValue)

{

}

ItuR1411LosPropagationLossModelTestCase::~ItuR1411LosPropagationLossModelTestCase ()

{

}

void

ItuR1411LosPropagationLossModelTestCase::DoRun (void)

{

  NS_LOG_FUNCTION (this);

  Ptr<MobilityModel> mma = CreateObject<ConstantPositionMobilityModel> ();

  mma->SetPosition (Vector (0.0, 0.0, m_hb));

  Ptr<MobilityModel> mmb = CreateObject<ConstantPositionMobilityModel> ();

  mmb->SetPosition (Vector (m_dist, 0.0, m_hm));

  Ptr<ItuR1411LosPropagationLossModel> propagationLossModel = CreateObject<ItuR1411LosPropagationLossModel> ();

  propagationLossModel->SetAttribute ("Frequency", DoubleValue (m_freq));

  double loss = propagationLossModel->GetLoss (mma, mmb);

  NS_LOG_INFO ("Calculated loss: " << loss);

  NS_LOG_INFO ("Theoretical loss: " << m_lossRef);

  NS_TEST_ASSERT_MSG_EQ_TOL (loss, m_lossRef, 0.1, "Wrong loss!");

}

class ItuR1411LosPropagationLossModelTestSuite : public TestSuite

{

public:

  ItuR1411LosPropagationLossModelTestSuite ();

};

ItuR1411LosPropagationLossModelTestSuite::ItuR1411LosPropagationLossModelTestSuite ()

  : TestSuite ("itu-r-1411-los", SYSTEM)

{

  LogComponentEnable ("ItuR1411LosPropagationLossModelTest", LOG_LEVEL_ALL);

  // reference values obtained with the octave scripts in src/propagation/test/reference/

  AddTestCase (new ItuR1411LosPropagationLossModelTestCase (2.1140e9, 100, 30, 1,  81.005, "freq=2114MHz, dist=100m"), TestCase::QUICK);

  AddTestCase (new ItuR1411LosPropagationLossModelTestCase (1999e6, 200, 30, 1,  87.060, "freq=1999MHz, dist=200m"), TestCase::QUICK);

}

static ItuR1411LosPropagationLossModelTestSuite g_ituR1411LosTestSuite;