mes/lib/tests/scaffold/16-cast.c

/* -*-comment-start: "//";comment-end:""-*-
 * GNU Mes --- Maxwell Equations of Software
 * Copyright © 2023 Ekaitz Zarraga <ekaitz@elenq.tech>
 *
 * 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/>.
 */

int
main ()
{
  signed char c = -1;
  unsigned u = c;
  unsigned t = (unsigned char)c;
  int i = -1;
  int r = u != -1;
  if (r)
    return 2;
  i = 255;
  r = t != 255;
  if (r)
    return 1;
  return 0;
}