test_nal_unit_list.c

/*
 * A simple test for the NAL unit lists from nalunit.c
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the MPEG TS, PS and ES tools.
 *
 * The Initial Developer of the Original Code is Amino Communications Ltd.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Amino Communications Ltd, Swavesey, Cambridge UK
 *
 * ***** END LICENSE BLOCK *****
 */

#include <stdio.h>
#include <stdlib.h>

#include "compat.h"
#include "nalunit_fns.h"

int main(int argc, char **argv)
{
  int  err, ii;
  int  max = NAL_UNIT_LIST_START_SIZE + NAL_UNIT_LIST_INCREMENT + 3;
  nal_unit_list_p  list = NULL;
  nal_unit_p       unit = NULL;

  printf("NAL unit lists are now handled as NAL unit lists, so...\n");
  printf("Testing NAL unit list\n");
  printf("Test 1 - differing NAL units\n");
  err = build_nal_unit_list(&list);
  if (err) 
  {
    printf("Test failed - constructing list\n");
    return 1;
  }
  for (ii=0; ii<max; ii++)
  {
    err = build_nal_unit(&unit);
    if (err)
    {
      printf("Test failed - constructing NAL unit\n");
      return 1;
    }
    err = append_to_nal_unit_list(list,unit);
    if (err)
    {
      printf("Test failed - appending NAL unit %d\n",ii);
      return 1;
    }
    if (list->length > list->size)
    {
      printf("Test failed - list length = %d, size = %d\n",
             list->length,list->size);
      return 1;
    }
    else if (list->length != ii+1)
    {
      printf("Test failed - list length is %d, expected %d\n",
             list->length,ii+1);
      return 1;
    }
    else if (list->array[ii] != unit)
    {
      printf("Test failed - list->array[%d] is %p, expected %p\n",
             ii,list->array[ii],unit);
      return 1;
    }
  }

  printf("Test 1 - resetting list\n");
  reset_nal_unit_list(list,TRUE);
  if (list->length != 0)
  {
    printf("Test failed - list length is %d, not 0\n",list->length);
    return 1;
  }
  if (list->array[0] != NULL)
  {
    printf("Test failed - list->array[0] is %p, not NULL\n",list->array[0]);
    return 1;
  }

  // And try populating the list again, but a bit further this time
  for (ii=0; ii<max+NAL_UNIT_LIST_INCREMENT; ii++)
  {
    err = build_nal_unit(&unit);
    if (err)
    {
      printf("Test failed - constructing NAL unit\n");
      return 1;
    }
    err = append_to_nal_unit_list(list,unit);
    if (err)
    {
      printf("Test failed - appending NAL unit %d\n",ii);
      return 1;
    }
    if (list->length > list->size)
    {
      printf("Test failed - list length = %d, size = %d\n",
             list->length,list->size);
      return 1;
    }
    else if (list->length != ii+1)
    {
      printf("Test failed - list length is %d, expected %d\n",
             list->length,ii+1);
      return 1;
    }
    else if (list->array[ii] != unit)
    {
      printf("Test failed - list->array[%d] is %p, expected %p\n",
             ii,list->array[ii],unit);
      return 1;
    }
  }
  
  printf("Test 1 - clearing list\n");
  free_nal_unit_list(&list,TRUE);
  printf("Test 1 succeeded\n");
  
  printf("Test 2 - the same NAL unit inserted multiple times\n");
  err = build_nal_unit_list(&list);
  if (err) 
  {
    printf("Test failed - constructing list\n");
    return 1;
  }
  err = build_nal_unit(&unit);
  if (err)
  {
    printf("Test failed - constructing NAL unit\n");
    return 1;
  }

  // We aren't testing allocation limits this time round
  for (ii=0; ii<5; ii++)
  {
    err = append_to_nal_unit_list(list,unit);
    if (err)
    {
      printf("Test failed - appending NAL unit %d\n",ii);
      return 1;
    }
  }

  printf("Test 2 - clearing list\n");
  free_nal_unit_list(&list,FALSE);  // better only do a shallow free
  free_nal_unit(&unit);
  printf("Test 2 succeeded\n");
  return 0;
}

// Local Variables:
// tab-width: 8
// indent-tabs-mode: nil
// c-basic-offset: 2
// End:
// vim: set tabstop=8 shiftwidth=2 expandtab: