Source/testing/leak_detective_test.c

   1 /**
   2  * @file leak_detective_test.h
   3  *
   4  * @brief Tests for the leak_detective_test.
   5  *
   6  */
   7
   8 /*
   9  * Copyright (C) 2006 Martin Willi
  10  * Hochschule fuer Technik Rapperswil
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License as published by the
  14  * Free Software Foundation; either version 2 of the License, or (at your
  15  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  16  *
  17  * This program is distributed in the hope that it will be useful, but
  18  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  19  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20  * for more details.
  21  */
  22
  23 #include "leak_detective_test.h"
  24
  25
  26 void *mem_a, *mem_b, *mem_c;
  27
  28 void a()
  29 {
  30         mem_a = malloc(4);
  31 }
  32
  33 void b()
  34 {
  35         a();
  36         mem_b = malloc(5);
  37 }
  38
  39 void c()
  40 {
  41         b();
  42         mem_c = malloc(6);
  43 }
  44
  45 void recursive(int depth)
  46 {
  47         void *tiny = malloc(1);
  48         if (--depth > 0)
  49         {
  50                 recursive(depth);
  51         }
  52         free(tiny);
  53 }
  54
  55
  56 /*
  57  * described in Header-File
  58  */
  59 void test_leak_detective(protected_tester_t *tester)
  60 {
  61         void *m1, *m2, *m3;
  62
  63
  64         m1 = malloc(1);
  65         m2 = calloc(1, 2);
  66         m3 = malloc(3);
  67
  68         m3 = realloc(m3, 4);
  69
  70         free(m2);
  71         free(m3);
  72         free(m1);
  73
  74         c();
  75         free(mem_a);
  76         free(mem_c);
  77         free(mem_b);
  78         recursive(10000);
  79 }