/*

   test_tio_timeout.c - tests for tio deadline calculations

   This file is part of the nss-pam-ldapd library.

   Copyright (C) 2013 Arthur de Jong

   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, or (at your option) any later version.

   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., 51 Franklin Street, Fifth Floor, Boston, MA

   02110-1301 USA

*/

/* we include the source because we want to test static methods */

#include "../common/tio.c"

#include <assert.h>

int main(int UNUSED(argc), char UNUSED(*argv[]))

{

  struct timespec deadline = {0, 0};

  int timeout = 100 * 1000;

  int sleeptime = 1000;

  int low = -100;

  int high = 200;

  int res;

  int ok;

  /* initialise deadline */

  assert(tio_time_remaining(&deadline, timeout) == timeout);

  /* wait one second */

  sleep(sleeptime / 1000);

  /* re-calculate the deadline */

  res = tio_time_remaining(&deadline, timeout);

  /* it should be timeout - sleeptime */

  res = timeout - sleeptime - res;

  ok = (res > low) && (res < high);

  printf("%s: %d msec difference (%swithin %d...%d msec)\n",

         ok ? "OK" : "FAIL", res, ok ? "" : "NOT ",

         low, high);

  return !ok;

}