t/core/object_test.c

   1 /*
   2  * SysDB - t/core/object_test.c
   3  * Copyright (C) 2013 Sebastian 'tokkee' Harl <sh@tokkee.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
  19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "core/object.h"
  29 #include "libsysdb_test.h"
  30
  31 #include <check.h>
  32
  33 /*
  34  * private data types
  35  */
  36
  37 static int init_noop_called = 0;
  38 static int init_noop_retval = 0;
  39 static int
  40 obj_init_noop(sdb_object_t *obj, va_list __attribute__((unused)) ap)
  41 {
  42         ++init_noop_called;
  43         fail_unless(obj != NULL, "obj init function: received obj == NULL");
  44         return init_noop_retval;
  45 } /* obj_init_noop */
  46
  47 static int destroy_noop_called = 0;
  48 static void
  49 obj_destroy_noop(sdb_object_t *obj)
  50 {
  51         ++destroy_noop_called;
  52         fail_unless(obj != NULL, "obj destroy function: received obj == NULL");
  53 } /* obj_destroy_noop */
  54
  55 START_TEST(test_obj_create)
  56 {
  57         struct noop {
  58                 sdb_object_t super;
  59                 int data;
  60         };
  61         sdb_type_t noop_type = {
  62                 /* size = */ sizeof(struct noop),
  63                 /* init = */ obj_init_noop,
  64                 /* destroy = */ obj_destroy_noop,
  65         };
  66
  67         sdb_object_t *obj;
  68         const char *name = "test-object";
  69
  70         init_noop_called = 0;
  71         init_noop_retval = 0;
  72         destroy_noop_called = 0;
  73         obj = sdb_object_create(name, noop_type);
  74         fail_unless(obj != NULL,
  75                         "sdb_object_create() = NULL; expected: a new object");
  76         fail_unless(obj->type.size == noop_type.size,
  77                         "after sdb_object_create(): type size mismatch; got: %zu; "
  78                         "expected: %zu", obj->type.size, noop_type.size);
  79         fail_unless(obj->ref_cnt == 1,
  80                         "after sdb_object_create(): obj->ref_cnt = %d; expected: 1",
  81                         obj->ref_cnt);
  82         fail_unless(!strcmp(obj->name, "test-object"),
  83                         "after sdb_object_create(): obj->name = '%s'; expected: '%s'",
  84                         obj->name, name);
  85         fail_unless(obj->name != name,
  86                         "after sdb_object_create(): obj->name was not strdup()'ed");
  87
  88         fail_unless(init_noop_called == 1,
  89                         "sdb_object_create() did not call object's init function");
  90         fail_unless(destroy_noop_called == 0,
  91                         "sdb_object_create() called object's destroy function");
  92         fail_unless(((struct noop *)obj)->data == 0,
  93                         "sdb_object_create() did not initialize data to zero");
  94
  95         sdb_object_deref(obj);
  96         /* the memory address at 'obj' is no longer valid but usually this check
  97          * should still work */
  98         fail_unless(obj->ref_cnt == 0,
  99                         "after sdb_object_deref(): obj->ref_cnt = %d; expected: 0",
 100                         obj->ref_cnt);
 101         fail_unless(destroy_noop_called == 1,
 102                         "sdb_object_deref() did not call object's destroy function");
 103
 104         init_noop_called = 0;
 105         init_noop_retval = -1;
 106         destroy_noop_called = 0;
 107         obj = sdb_object_create(name, noop_type);
 108         fail_unless(obj == NULL,
 109                         "sdb_object_create() = %p; expected NULL (init returned -1)",
 110                         obj);
 111         fail_unless(init_noop_called == 1,
 112                         "sdb_object_create() did not call object's init function");
 113         fail_unless(destroy_noop_called == 1,
 114                         "sdb_object_create() did not call object's destroy function "
 115                         "after init failure");
 116
 117         noop_type.size = 1;
 118         init_noop_called = 0;
 119         init_noop_retval = 0;
 120         destroy_noop_called = 0;
 121         obj = sdb_object_create(name, noop_type);
 122         fail_unless(obj == NULL,
 123                         "sdb_object_create() = %p; expected NULL (type's size too small)",
 124                         obj);
 125         fail_unless(init_noop_called == 0,
 126                         "sdb_object_create() called object's init function "
 127                         "when size was too small");
 128         fail_unless(destroy_noop_called == 0,
 129                         "sdb_object_create() called object's destroy function "
 130                         "when size was too small");
 131
 132         noop_type.size = sizeof(struct noop);
 133         init_noop_retval = 0;
 134         noop_type.init = NULL;
 135         obj = sdb_object_create(name, noop_type);
 136         fail_unless(obj != NULL,
 137                         "sdb_object_create() fails without init callback");
 138         sdb_object_deref(obj);
 139
 140         noop_type.destroy = NULL;
 141         obj = sdb_object_create(name, noop_type);
 142         fail_unless(obj != NULL,
 143                         "sdb_object_create() fails without destroy callback");
 144         sdb_object_deref(obj);
 145 }
 146 END_TEST
 147
 148 Suite *
 149 core_object_suite(void)
 150 {
 151         Suite *s = suite_create("core::object");
 152         TCase *tc;
 153
 154         tc = tcase_create("core");
 155         tcase_add_test(tc, test_obj_create);
 156         suite_add_tcase(s, tc);
 157
 158         return s;
 159 } /* core_object_suite */
 160
 161 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 162