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

//

// Copyright (c) 2009 INESC Porto

//

// 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: Pedro Fortuna  <pedro.fortuna@inescporto.pt> <pedro.fortuna@gmail.com>

//

#include "ns3/histogram.h"

#include "ns3/test.h"

using namespace ns3;

class HistogramTestCase : public ns3::TestCase {

private:

public:

  HistogramTestCase ();

  virtual void DoRun (void);

};

HistogramTestCase::HistogramTestCase ()

  : ns3::TestCase ("Histogram")

{

}

void

HistogramTestCase::DoRun (void)

{

  Histogram h0 (3.5);

  // Testing floating-point bin widths

  {

    for (int i=1; i <= 10; i++)

      { 

        h0.AddValue (3.4);

      }

    for (int i=1; i <= 5; i++)

      {

        h0.AddValue (3.6);

      }

    NS_TEST_EXPECT_MSG_EQ_TOL (h0.GetBinWidth (0),  3.5, 1e-6, "");

    NS_TEST_EXPECT_MSG_EQ (h0.GetNBins (),  2, "");

    NS_TEST_EXPECT_MSG_EQ_TOL (h0.GetBinStart (1),  3.5, 1e-6, "");

    NS_TEST_EXPECT_MSG_EQ (h0.GetBinCount (0),  10, "");

    NS_TEST_EXPECT_MSG_EQ (h0.GetBinCount (1),  5, "");

  }

  {

    // Testing bin expansion

    h0.AddValue (74.3);

    NS_TEST_EXPECT_MSG_EQ (h0.GetNBins (), 22, "");

    NS_TEST_EXPECT_MSG_EQ (h0.GetBinCount (21), 1, "");

  }

}

static class HistogramTestSuite : public TestSuite

{

public:

  HistogramTestSuite ()

    : TestSuite ("histogram", UNIT) 

  {

    AddTestCase (new HistogramTestCase (), TestCase::QUICK);

  }

} g_HistogramTestSuite;