/* -*-  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>


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"));

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




}



static ItuR1411LosPropagationLossModelTestSuite g_ituR1411LosTestSuite;



}   // namespace ns3
