mes-m2/lib/tests/scaffold/34-pre-post.c

/* -*-comment-start: "//";comment-end:""-*-
 * GNU Mes --- Maxwell Equations of Software
 * Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 *
 * This file is part of GNU Mes.
 *
 * GNU Mes 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 of the License, or (at
 * your option) any later version.
 *
 * GNU Mes 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 Mes.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <mes/lib-mini.h>

int
main ()
{
  int f = 0;
  int t = 1;
  int one = t;
  int i = 0;

  oputs ("\n");
  oputs ("t: if (i++)\n");
  if (i++)
    return 1;

  oputs ("t: if (--i)\n");
  if (--i)
    return 1;

  oputs ("t: i += 2\n");
  i += 2;
  if (i != 2)
    return 1;

  oputs ("t: i -= 2\n");
  i -= 2;
  if (i != 0)
    return 1;

  oputs ("t: if (++i)\n");
  if (++i)
    goto ok0;
  return 1;
ok0:

  oputs ("t: if (i--)\n");
  if (i--)
    goto ok1;
  return 1;
ok1:

  return 0;
}