/*
 *  COPYRIGHT (c) 1989-2009.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id$
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <tmacros.h>

rtems_task Init(
  rtems_task_argument ignored
)
{
  rtems_id                task_id;
  rtems_status_code       sc;
  bool                    sb;
  Heap_Information_block  start;
  Heap_Information_block  info;
  size_t                  stack_size;

  puts( "\n\n*** TEST 18 ***" );

  puts( "Init - rtems_workspace_get_information - OK" );
  sb = rtems_workspace_get_information( &start );
  rtems_test_assert( sb );

  #if 0
    printf( "Init - workspace free = %d\n", start.Free.largest );
    printf( "Init - workspace free blocks = %d\n", start.Free.number );
  #endif
  rtems_test_assert( start.Free.number == 1 );
  stack_size = start.Free.largest;

  #if 0
    printf( "Init - start with stack size of = %d\n", stack_size );
  #endif

  puts( "Init - rtems_task_create - Unsatisfied on Extensions" );
  while (1) {

    sc = rtems_task_create(
      rtems_build_name( 'T', 'E', 'S', 'T' ),
      1,
      stack_size,
      RTEMS_DEFAULT_MODES,
      RTEMS_FLOATING_POINT,
      &task_id
    );

    if ( sc == RTEMS_SUCCESSFUL )
      break;

    fatal_directive_status( sc, RTEMS_UNSATISFIED, "rtems_task_create" );

    /*
     * Verify heap is still in same shape if we couldn't allocate a task
     */
    sb = rtems_workspace_get_information( &info );
    rtems_test_assert( sb );
    rtems_test_assert( info.Free.largest == start.Free.largest );
    rtems_test_assert( info.Free.number  == start.Free.number  );

    stack_size -= 8;
    if ( stack_size <= RTEMS_MINIMUM_STACK_SIZE )
     break;
  }

  if ( sc != RTEMS_SUCCESSFUL )
    rtems_test_exit(0);

  /*
   * Verify heap is still in same shape after we free the task
   */
  puts( "Init - rtems_task_delete - OK" );
  sc = rtems_task_delete( task_id );
  directive_failed( sc, "rtems_task_delete" );

  puts( "Init - verify workspace has same memory" );
  sb = rtems_workspace_get_information( &info );
  rtems_test_assert( sb );
  rtems_test_assert( info.Free.largest == start.Free.largest );
  rtems_test_assert( info.Free.number  == start.Free.number  );

  puts( "*** END OF TEST 18 ***" );
  rtems_test_exit(0);
}

/* configuration information */

#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER

#define CONFIGURE_MAXIMUM_TASKS            2
#define CONFIGURE_MAXIMUM_USER_EXTENSIONS  20
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

#define CONFIGURE_INIT
#include <rtems/confdefs.h>

/* global variables */