tests/lib/test_assert.c

   1 /*
   2  * Quick test for assert()
   3  * Copyright (C) 2021  David Lamparter for NetDEF, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the Free
   7  * Software Foundation; either version 2 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; see the file COPYING; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 /* make sure this works with assert.h & nothing else.  also check the include
  25  * shadowing, we don't want to pick up system assert.h
  26  */
  27 #include <assert.h>
  28
  29 __attribute__((noinline))
  30 static void func_for_bt(int number)
  31 {
  32         assert(number > 2);
  33         assertf(number > 3, "(A) the number was %d", number);
  34 }
  35
  36 #include <zebra.h>
  37 #include "lib/zlog.h"
  38 #include "lib/thread.h"
  39 #include "lib/sigevent.h"
  40
  41 int main(int argc, char **argv)
  42 {
  43         int number = 10;
  44         struct thread_master *master;
  45
  46         zlog_aux_init("NONE: ", LOG_DEBUG);
  47
  48         if (argc > 1)
  49                 number = atoi(argv[1]);
  50
  51         assert(number > 0);
  52         assertf(number > 1, "(B) the number was %d", number);
  53
  54         /* set up SIGABRT handler */
  55         master = thread_master_create("test");
  56         signal_init(master, 0, NULL);
  57
  58         func_for_bt(number);
  59         assert(number > 4);
  60         assertf(number > 5, "(C) the number was %d", number);
  61
  62         assertf(number > 10, "(D) the number was %d", number);
  63         return 0;
  64 }