/* -*- c++ -*- */

/*

 * Copyright 2002 Free Software Foundation, Inc.

 * 

 * This file is part of GNU Radio

 * 

 * GNU Radio is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 3, or (at your option)

 * any later version.

 * 

 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street,

 * Boston, MA 02110-1301, USA.

 */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <cppunit/TestAssert.h>

#include <qa_atsci_basic_trellis_encoder.h>

#include <stdlib.h>

#include <stdio.h>

void

qa_atsci_basic_trellis_encoder::t0 ()

{

  const static unsigned char in[14] = {

    0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 2, 3

  };

  const static unsigned char expected_out[14] = {

    0, 2, 3, 1, 1, 3, 0, 1, 2, 0, 0, 2, 5, 2

  };

  for (unsigned i = 0; i < sizeof (in); i++)

    CPPUNIT_ASSERT_EQUAL ((int) expected_out[i], enc.encode (in[i]));

  // reset encoder and test again.

  enc.reset ();

  for (unsigned i = 0; i < sizeof (in); i++)

    CPPUNIT_ASSERT_EQUAL ((int) expected_out[i], enc.encode (in[i]));

}

void

qa_atsci_basic_trellis_encoder::t1 ()

{

  // Print data to externally check distribution.

  // looks OK.

#if 0

  srandom (27);

  for (int i = 0; i < 8192; i++){

    int        t = (random () >> 10) & 0x3;        // 2 random bits

    printf ("%d  %d\n", t, enc.encode (t));

  }

#endif

}