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 */
28 #include "core/object.h"
29 #include "libsysdb_test.h"
31 #include <check.h>
33 /*
34 * private data types
35 */
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 */
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 */
55 struct noop {
56 sdb_object_t super;
57 int data;
58 };
59 static sdb_type_t noop_type = {
60 /* size = */ sizeof(struct noop),
61 /* init = */ obj_init_noop,
62 /* destroy = */ obj_destroy_noop,
63 };
65 static void *wrapped = (void *)0x42;
67 static int destroy_wrapper_called = 0;
68 static void
69 wrapper_destroy(void *obj)
70 {
71 ++destroy_wrapper_called;
72 fail_unless(obj == wrapped,
73 "wrapper_destroy received unexpected obj %p; expected: %p",
74 obj, wrapped);
75 } /* wrapper_destroy */
77 START_TEST(test_obj_create)
78 {
79 sdb_object_t *obj;
80 sdb_type_t test_type = noop_type;
82 const char *name = "test-object";
84 init_noop_called = 0;
85 init_noop_retval = 0;
86 destroy_noop_called = 0;
87 obj = sdb_object_create(name, test_type);
88 fail_unless(obj != NULL,
89 "sdb_object_create() = NULL; expected: a new object");
90 fail_unless(obj->type.size == test_type.size,
91 "after sdb_object_create(): type size mismatch; got: %zu; "
92 "expected: %zu", obj->type.size, test_type.size);
93 fail_unless(obj->ref_cnt == 1,
94 "after sdb_object_create(): obj->ref_cnt = %d; expected: 1",
95 obj->ref_cnt);
96 fail_unless(!strcmp(obj->name, "test-object"),
97 "after sdb_object_create(): obj->name = '%s'; expected: '%s'",
98 obj->name, name);
99 fail_unless(obj->name != name,
100 "after sdb_object_create(): obj->name was not strdup()'ed");
102 fail_unless(init_noop_called == 1,
103 "sdb_object_create() did not call object's init function");
104 fail_unless(destroy_noop_called == 0,
105 "sdb_object_create() called object's destroy function");
106 fail_unless(((struct noop *)obj)->data == 0,
107 "sdb_object_create() did not initialize data to zero");
109 sdb_object_deref(obj);
110 /* the memory address at 'obj' is no longer valid but usually this check
111 * should still work */
112 fail_unless(obj->ref_cnt == 0,
113 "after sdb_object_deref(): obj->ref_cnt = %d; expected: 0",
114 obj->ref_cnt);
115 fail_unless(destroy_noop_called == 1,
116 "sdb_object_deref() did not call object's destroy function");
118 init_noop_called = 0;
119 init_noop_retval = -1;
120 destroy_noop_called = 0;
121 obj = sdb_object_create(name, test_type);
122 fail_unless(obj == NULL,
123 "sdb_object_create() = %p; expected NULL (init returned -1)",
124 obj);
125 fail_unless(init_noop_called == 1,
126 "sdb_object_create() did not call object's init function");
127 fail_unless(destroy_noop_called == 1,
128 "sdb_object_create() did not call object's destroy function "
129 "after init failure");
131 test_type.size = 1;
132 init_noop_called = 0;
133 init_noop_retval = 0;
134 destroy_noop_called = 0;
135 obj = sdb_object_create(name, test_type);
136 fail_unless(obj == NULL,
137 "sdb_object_create() = %p; expected NULL (type's size too small)",
138 obj);
139 fail_unless(init_noop_called == 0,
140 "sdb_object_create() called object's init function "
141 "when size was too small");
142 fail_unless(destroy_noop_called == 0,
143 "sdb_object_create() called object's destroy function "
144 "when size was too small");
146 test_type.size = sizeof(struct noop);
147 init_noop_retval = 0;
148 test_type.init = NULL;
149 obj = sdb_object_create(name, test_type);
150 fail_unless(obj != NULL,
151 "sdb_object_create() fails without init callback");
152 sdb_object_deref(obj);
154 test_type.destroy = NULL;
155 obj = sdb_object_create(name, test_type);
156 fail_unless(obj != NULL,
157 "sdb_object_create() fails without destroy callback");
158 sdb_object_deref(obj);
159 }
160 END_TEST
162 START_TEST(test_obj_wrapper)
163 {
164 sdb_object_t *obj;
165 const char *name = "wrapped-object";
167 destroy_wrapper_called = 0;
168 obj = sdb_object_create_wrapper(name, wrapped, wrapper_destroy);
169 fail_unless(obj != NULL,
170 "sdb_object_create_wrapper() = NULL; expected: wrapper object");
171 fail_unless(obj->ref_cnt == 1,
172 "after sdb_object_create_wrapper(); obj->ref_cnt = %d; "
173 "expected: 1", obj->ref_cnt);
174 fail_unless(!strcmp(obj->name, name),
175 "after sdb_object_create_wrapper(); obj->name = %s; expected: %s",
176 obj->name, name);
177 fail_unless(obj->name != name,
178 "sdb_object_create_wrapper() did not copy object name");
179 fail_unless(SDB_OBJ_WRAPPER(obj)->data == wrapped,
180 "wrapped object wraps unexpected data %p; expected: %p",
181 SDB_OBJ_WRAPPER(obj)->data, wrapped);
183 fail_unless(destroy_wrapper_called == 0,
184 "sdb_object_create_wrapper() called object's destructor");
186 sdb_object_deref(obj);
187 fail_unless(destroy_wrapper_called == 1,
188 "sdb_object_deref() did not call wrapped object's destructor");
189 }
190 END_TEST
192 START_TEST(test_obj_ref)
193 {
194 sdb_object_t *obj;
195 sdb_type_t test_type = noop_type;
197 init_noop_called = 0;
198 init_noop_retval = 0;
199 destroy_noop_called = 0;
201 obj = sdb_object_create("test-object", test_type);
202 fail_unless(obj != NULL,
203 "sdb_object_create() = NULL; expected: valid object");
205 sdb_object_ref(obj);
206 fail_unless(obj->ref_cnt == 2,
207 "after db_object_ref(): obj->ref_cnt = %d; expected: 2",
208 obj->ref_cnt);
210 sdb_object_ref(obj);
211 fail_unless(obj->ref_cnt == 3,
212 "after db_object_ref(): obj->ref_cnt = %d; expected: 3",
213 obj->ref_cnt);
215 obj->ref_cnt = 42;
216 sdb_object_ref(obj);
217 fail_unless(obj->ref_cnt == 43,
218 "after db_object_ref(): obj->ref_cnt = %d; expected: 43",
219 obj->ref_cnt);
221 fail_unless(init_noop_called == 1,
222 "after some sdb_object_ref(); object's init called %d times; "
223 "expected: 1", init_noop_called);
224 fail_unless(destroy_noop_called == 0,
225 "after some sdb_object_ref(); object's destroy called %d time%s; "
226 "expected: 0", destroy_noop_called == 1 ? "" : "2",
227 destroy_noop_called);
229 sdb_object_deref(obj);
230 fail_unless(obj->ref_cnt == 42,
231 "after db_object_deref(): obj->ref_cnt = %d; expected: 42",
232 obj->ref_cnt);
234 obj->ref_cnt = 23;
235 sdb_object_deref(obj);
236 fail_unless(obj->ref_cnt == 22,
237 "after db_object_deref(): obj->ref_cnt = %d; expected: 22",
238 obj->ref_cnt);
240 fail_unless(init_noop_called == 1,
241 "after some sdb_object_{de,}ref(); object's init called %d times; "
242 "expected: 1", init_noop_called);
243 fail_unless(destroy_noop_called == 0,
244 "after some sdb_object_{de,}ref(); object's destroy called "
245 "%d time%s; expected: 0", destroy_noop_called == 1 ? "" : "2",
246 destroy_noop_called);
248 /* test_obj_create already checks the ref_cnt == 1 case */
249 obj->ref_cnt = 0;
250 sdb_object_deref(obj);
251 fail_unless(obj->ref_cnt <= 0,
252 "after db_object_deref(): obj->ref_cnt = %d; expected: <= 0",
253 obj->ref_cnt);
255 fail_unless(init_noop_called == 1,
256 "after some sdb_object_{de,}ref(); object's init called %d times; "
257 "expected: 1", init_noop_called);
258 fail_unless(destroy_noop_called == 1,
259 "after some sdb_object_{de,}ref(); object's destroy called "
260 "%d times; expected: 1", destroy_noop_called);
262 /* this should work */
263 sdb_object_deref(NULL);
264 }
265 END_TEST
267 START_TEST(test_obj_cmp)
268 {
269 sdb_object_t *obj1, *obj2, *obj3, *obj4;
270 int status;
272 obj1 = sdb_object_create("a", noop_type);
273 obj2 = sdb_object_create("b", noop_type);
274 obj3 = sdb_object_create("B", noop_type);
275 obj4 = sdb_object_create("c", noop_type);
277 status = sdb_object_cmp_by_name(obj1, obj2);
278 fail_unless(status == -1,
279 "sdb_object_cmp_by_name('a', 'b') = %d; expected: -1", status);
280 status = sdb_object_cmp_by_name(obj2, obj3);
281 fail_unless(status == 0,
282 "sdb_object_cmp_by_name('b', 'B') = %d; expected: 0", status);
283 status = sdb_object_cmp_by_name(obj4, obj3);
284 fail_unless(status == 1,
285 "sdb_object_cmp_by_name('c', 'B') = %d; expected: 1", status);
286 status = sdb_object_cmp_by_name(obj1, obj1);
287 fail_unless(status == 0,
288 "sdb_object_cmp_by_name('a', 'a') = %d; expected: 0", status);
290 sdb_object_deref(obj1);
291 sdb_object_deref(obj2);
292 sdb_object_deref(obj3);
293 sdb_object_deref(obj4);
294 }
295 END_TEST
297 Suite *
298 core_object_suite(void)
299 {
300 Suite *s = suite_create("core::object");
301 TCase *tc;
303 tc = tcase_create("core");
304 tcase_add_test(tc, test_obj_create);
305 tcase_add_test(tc, test_obj_wrapper);
306 tcase_add_test(tc, test_obj_ref);
307 tcase_add_test(tc, test_obj_cmp);
308 suite_add_tcase(s, tc);
310 return s;
311 } /* core_object_suite */
313 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */