/*
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * (c) Copyright 2014 Alexander Vdolainen <avdolainen@zoho.com>
 *
 * Index allocator tests
 *
 */

#include <string.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <assert.h>
#include <errno.h>
#include <sys/types.h>
#include <tdata/bitwise.h>
#include <tdata/idx_allocator.h>

#define IDXMAX  131072

int main(int argc, char **argv)
{
  idx_allocator_t idxa;
  ulong_t r = 0, i = 0;

  memset(&idxa, 0, sizeof(idxa));

  if((r = idx_allocator_init(&idxa, IDXMAX, 0))) {
    fprintf(stderr, "%d:(%s): IDX init failed with %lu\n", __LINE__,
            __FUNCTION__, r);
    goto __finiv;
  }

  /* one thread */
  /* (1) use the half of pool and free it */
  for(i = 0; i < IDXMAX/2; i++) {
    r = idx_allocate(&idxa);
    if(r != i) {
      fprintf(stderr, "%d:(%s):error: expected %lu instead of %lu\n",
              __LINE__, __FUNCTION__, i, r);
      r = -1;
      goto __finiv1;
    }
  }

  /* (2) use all pool and free the second part */
  for(i = IDXMAX/2; i < IDXMAX; i++) {
    r = idx_allocate(&idxa);
    if(r != i) {
      fprintf(stderr, "%d:(%s):error: expected %lu instead of %lu\n",
              __LINE__, __FUNCTION__, i, r);
      r = -1;
      goto __finiv1;
    }
  }
  /* (3) fill second part and free all and try to allocate 1/4 */
  /* (4) free all */

 __finiv1:

  idx_allocator_destroy(&idxa);

 __finiv:
  return r;
}