/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2009 University of Washington
 * Copyright (c) 2011 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: Nicola Baldo <nbaldo@cttc.es>
 * part of the code copied from test.h
 */

#include <ns3/test.h>
#include <ns3/spectrum-value.h>


/**
 * \brief Test if two SpectrumModel instances are equal within a given tolerance.
 *
 * This test compares component-by-component the two SpectrumModel
 * instances; if any pair of components differs by more than the given
 * tolerance, the test fails.
 *
 * \param actual the actual value obtained by the simulator
 * \param expected the expected value obtained by off-line calculations
 * \param tol the tolerance
 * \param msg the message to print if the test fails
 *
 */
#define NS_TEST_ASSERT_MSG_SPECTRUM_MODEL_EQ_TOL(actual, expected, tol, msg) \
  NS_TEST_ASSERT_MSG_SPECTRUM_MODEL_EQ_TOL_INTERNAL (actual, expected, tol, msg, __FILE__, __LINE__)


/**
 * \internal
 */
#define NS_TEST_ASSERT_MSG_SPECTRUM_MODEL_EQ_TOL_INTERNAL(actual, expected, tol, msg, file, line) \
  do                                                                           \
    {                                                                          \
      Bands::const_iterator i = (actual).Begin ();                      \
      Bands::const_iterator j = (expected).Begin ();                    \
      uint32_t k = 0;                                                          \
      while (i != (actual).End () && j != (expected).End ())            \
        {                                                                      \
          if ((i->fl > j->fl + (tol)) || (i->fl < j->fl - (tol))        \
              || (i->fc > j->fc + (tol)) || (i->fc < j->fc - (tol))        \
              || (i->fh > j->fh + (tol)) || (i->fh < j->fh - (tol)))       \
            {                                           \
              if (gBreakOnFailure) { *(int *)0 = 0; }     \
              std::ostringstream indexStream;           \
              indexStream << "[" << k << "]";           \
              std::ostringstream msgStream;     \
              msgStream << (msg);               \
              std::ostringstream actualStream;  \
              actualStream << i->fl << " <-- " << i->fc << " --> " << i->fh; \
              std::ostringstream expectedStream;        \
              expectedStream << j->fl << " <-- " << j->fc << " --> " << j->fh;          \
              ReportTestFailure (std::string (# actual) + indexStream.str () + " == " + std::string (# expected) + indexStream.str (),    \
                                 actualStream.str (), expectedStream.str (), msgStream.str (), (file), (line)); \
            }                   \
          ++i;   \
          ++j;   \
          ++k;   \
        }        \
      if (i != (actual).End () || j != (expected).End ())       \
        { \
          std::ostringstream msgStream;     \
          msgStream << (msg);               \
          std::ostringstream actualStream;  \
          actualStream << (i != (actual).End ());   \
          std::ostringstream expectedStream;        \
          expectedStream <<  (j != (expected).End ());              \
          ReportTestFailure ("Bands::iterator == End ()",                                  \
                             actualStream.str (), expectedStream.str (), msgStream.str (), (file), (line)); \
        } \
    }            \
  while (false); \


/**
 * \brief Test if two SpectrumValue instances are equal within a given tolerance.
 *
 * This test compares component-by-component the two SpectrumValue
 * instances; if any pair of components differs by more than the given
 * tolerance, the test fails.
 *
 * \param actual the actual value obtained by the simulator
 * \param expected the expected value obtained by off-line calculations
 * \param tol the tolerance
 * \param msg the message to print if the test fails
 *
 */
#define NS_TEST_ASSERT_MSG_SPECTRUM_VALUE_EQ_TOL(actual, expected, tol, msg) \
  NS_TEST_ASSERT_MSG_SPECTRUM_VALUE_EQ_TOL_INTERNAL (actual, expected, tol, msg, __FILE__, __LINE__)


/**
 * \internal
 */
#define NS_TEST_ASSERT_MSG_SPECTRUM_VALUE_EQ_TOL_INTERNAL(actual, expected, tol, msg, file, line) \
  do                                                                           \
    {                                                                          \
      Values::const_iterator i = (actual).ConstValuesBegin ();          \
      Values::const_iterator j = (expected).ConstValuesBegin ();        \
      uint32_t k = 0;                                                          \
      while (i != (actual).ConstValuesEnd () && j != (expected).ConstValuesEnd ()) \
        {                                                                      \
          if ((*i) > (*j) + (tol) || (*i) < (*j) - (tol))                      \
            {                                           \
              if (gBreakOnFailure) { *(int *)0 = 0; }     \
              std::ostringstream indexStream;           \
              indexStream << "[" << k << "]";           \
              std::ostringstream msgStream;     \
              msgStream << msg;                 \
              std::ostringstream actualStream;  \
              actualStream << actual;           \
              std::ostringstream expectedStream;        \
              expectedStream << expected;               \
              ReportTestFailure (std::string (# actual) + indexStream.str () + " == " + std::string (# expected) + indexStream.str (),    \
                                 actualStream.str (), expectedStream.str (), msgStream.str (), file, line);     \
            }                   \
          ++i;   \
          ++j;   \
          ++k;   \
        }        \
      if (i != (actual).ConstValuesEnd () || j != (expected).ConstValuesEnd ()) \
        { \
          std::ostringstream msgStream;     \
          msgStream << (msg);               \
          std::ostringstream actualStream;  \
          actualStream << (i != (actual).ConstValuesEnd ());        \
          std::ostringstream expectedStream;        \
          expectedStream <<  (j != (expected).ConstValuesEnd ());   \
          ReportTestFailure ("Values::const_iterator == ConstValuesEnd ()",                                        \
                             actualStream.str (), expectedStream.str (), msgStream.str (), (file), (line)); \
        } \
    }            \
  while (false); \