Line data Source code
1 : /*
2 : SSSD
3 :
4 : Reference counting tests.
5 :
6 : Authors:
7 : Martin Nagy <mnagy@redhat.com>
8 :
9 : Copyright (C) Red Hat, Inc 2009
10 :
11 : This program is free software; you can redistribute it and/or modify
12 : it under the terms of the GNU General Public License as published by
13 : the Free Software Foundation; either version 3 of the License, or
14 : (at your option) any later version.
15 :
16 : This program is distributed in the hope that it will be useful,
17 : but WITHOUT ANY WARRANTY; without even the implied warranty of
18 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 : GNU General Public License for more details.
20 :
21 : You should have received a copy of the GNU General Public License
22 : along with this program. If not, see <http://www.gnu.org/licenses/>.
23 : */
24 :
25 : #include <stdlib.h>
26 : #include <check.h>
27 : #include <talloc.h>
28 : #include <tevent.h>
29 : #include <popt.h>
30 :
31 : #include "tests/common_check.h"
32 : #include "util/util.h"
33 :
34 : /* Interface under test */
35 : #include "util/refcount.h"
36 :
37 : /* Fail the test if object 'obj' does not have 'num' references. */
38 : #define REF_ASSERT(obj, num) \
39 : fail_unless(((obj)->DO_NOT_TOUCH_THIS_MEMBER_refcount == (num)), \
40 : "Reference count of " #obj " should be %d but is %d", \
41 : (num), (obj)->DO_NOT_TOUCH_THIS_MEMBER_refcount)
42 :
43 : #define FILLER_SIZE 32
44 :
45 : struct foo {
46 : REFCOUNT_COMMON;
47 : char a[FILLER_SIZE];
48 : char b[FILLER_SIZE];
49 : };
50 :
51 : struct bar {
52 : char a[FILLER_SIZE];
53 : REFCOUNT_COMMON;
54 : char b[FILLER_SIZE];
55 : };
56 :
57 : struct baz {
58 : char a[FILLER_SIZE];
59 : char b[FILLER_SIZE];
60 : REFCOUNT_COMMON;
61 : };
62 :
63 : #define SET_FILLER(target) do { \
64 : memset((target)->a, 'a', FILLER_SIZE); \
65 : memset((target)->b, 'b', FILLER_SIZE); \
66 : } while (0)
67 :
68 : #define CHECK_FILLER(target) do { \
69 : int _counter; \
70 : for (_counter = 0; _counter < FILLER_SIZE; _counter++) { \
71 : fail_unless((target)->a[_counter] == 'a', "Corrupted memory in " \
72 : #target "->a[%d] of size %d", _counter, FILLER_SIZE); \
73 : fail_unless((target)->b[_counter] == 'b', "Corrupted memory in " \
74 : #target "->b[%d] of size %d", _counter, FILLER_SIZE); \
75 : } \
76 : } while (0)
77 :
78 : struct container {
79 : struct foo *foo;
80 : struct bar *bar;
81 : struct baz *baz;
82 : };
83 :
84 : static struct container *global;
85 :
86 1 : START_TEST(test_refcount_basic)
87 : {
88 : struct container *containers;
89 : int i;
90 :
91 : /* First allocate our global storage place. */
92 1 : global = talloc(NULL, struct container);
93 1 : fail_if(global == NULL);
94 :
95 : /* Allocate foo. */
96 1 : global->foo = rc_alloc(global, struct foo);
97 1 : fail_if(global->foo == NULL);
98 1 : SET_FILLER(global->foo);
99 1 : REF_ASSERT(global->foo, 1);
100 :
101 : /* Allocate bar. */
102 1 : global->bar = rc_alloc(global, struct bar);
103 1 : fail_if(global->bar == NULL);
104 1 : SET_FILLER(global->bar);
105 1 : REF_ASSERT(global->bar, 1);
106 :
107 : /* Allocate baz. */
108 1 : global->baz = rc_alloc(global, struct baz);
109 1 : fail_if(global->baz == NULL);
110 1 : SET_FILLER(global->baz);
111 1 : REF_ASSERT(global->baz, 1);
112 :
113 : /* Try multiple attaches. */
114 1 : containers = talloc_array(NULL, struct container, 100);
115 1 : fail_if(containers == NULL);
116 101 : for (i = 0; i < 100; i++) {
117 100 : containers[i].foo = rc_reference(containers, struct foo, global->foo);
118 100 : containers[i].bar = rc_reference(containers, struct bar, global->bar);
119 100 : containers[i].baz = rc_reference(containers, struct baz, global->baz);
120 100 : REF_ASSERT(containers[i].foo, i + 2);
121 100 : REF_ASSERT(global->foo, i + 2);
122 100 : REF_ASSERT(containers[i].bar, i + 2);
123 100 : REF_ASSERT(global->bar, i + 2);
124 100 : REF_ASSERT(containers[i].baz, i + 2);
125 100 : REF_ASSERT(global->baz, i + 2);
126 : }
127 1 : talloc_free(containers);
128 :
129 1 : CHECK_FILLER(global->foo);
130 1 : CHECK_FILLER(global->bar);
131 1 : CHECK_FILLER(global->baz);
132 :
133 1 : REF_ASSERT(global->foo, 1);
134 1 : REF_ASSERT(global->bar, 1);
135 1 : REF_ASSERT(global->baz, 1);
136 :
137 1 : talloc_free(global);
138 : }
139 1 : END_TEST
140 :
141 1 : START_TEST(test_refcount_swap)
142 : {
143 : void *tmp_ctx;
144 : struct container *container1;
145 : struct container *container2;
146 :
147 1 : tmp_ctx = talloc_new(NULL);
148 :
149 1 : ck_leaks_push(tmp_ctx);
150 :
151 1 : container1 = talloc(tmp_ctx, struct container);
152 1 : container2 = talloc(tmp_ctx, struct container);
153 :
154 : /* Allocate. */
155 1 : container1->foo = rc_alloc(container1, struct foo);
156 1 : fail_if(container1->foo == NULL);
157 1 : SET_FILLER(container1->foo);
158 :
159 : /* Reference. */
160 1 : container2->foo = rc_reference(container2, struct foo, container1->foo);
161 1 : fail_if(container2->foo == NULL);
162 :
163 : /* Make sure everything is as it should be. */
164 1 : fail_unless(container1->foo == container2->foo);
165 1 : REF_ASSERT(container1->foo, 2);
166 :
167 : /* Free in reverse order. */
168 1 : talloc_free(container1);
169 1 : REF_ASSERT(container2->foo, 1);
170 1 : CHECK_FILLER(container2->foo);
171 1 : talloc_free(container2);
172 :
173 1 : ck_leaks_pop(tmp_ctx);
174 1 : talloc_free(tmp_ctx);
175 : }
176 1 : END_TEST
177 :
178 1 : Suite *create_suite(void)
179 : {
180 1 : Suite *s = suite_create("refcount");
181 :
182 1 : TCase *tc = tcase_create("REFCOUNT Tests");
183 :
184 : /* Do some testing */
185 1 : tcase_add_checked_fixture(tc, ck_leak_check_setup, ck_leak_check_teardown);
186 1 : tcase_add_test(tc, test_refcount_basic);
187 1 : tcase_add_test(tc, test_refcount_swap);
188 :
189 : /* Add all test cases to the test suite */
190 1 : suite_add_tcase(s, tc);
191 :
192 1 : return s;
193 : }
194 :
195 1 : int main(int argc, const char *argv[])
196 : {
197 : int opt;
198 : poptContext pc;
199 : int failure_count;
200 : Suite *suite;
201 : SRunner *sr;
202 1 : int debug = 0;
203 :
204 1 : struct poptOption long_options[] = {
205 : POPT_AUTOHELP
206 : { "debug-level", 'd', POPT_ARG_INT, &debug, 0, "Set debug level", NULL },
207 : POPT_TABLEEND
208 : };
209 :
210 : /* Set debug level to invalid value so we can deside if -d 0 was used. */
211 1 : debug_level = SSSDBG_INVALID;
212 :
213 1 : pc = poptGetContext(argv[0], argc, argv, long_options, 0);
214 1 : while((opt = poptGetNextOpt(pc)) != -1) {
215 : switch(opt) {
216 : default:
217 0 : fprintf(stderr, "\nInvalid option %s: %s\n\n",
218 : poptBadOption(pc, 0), poptStrerror(opt));
219 0 : poptPrintUsage(pc, stderr, 0);
220 0 : return 1;
221 : }
222 : }
223 1 : poptFreeContext(pc);
224 :
225 1 : DEBUG_CLI_INIT(debug);
226 :
227 1 : tests_set_cwd();
228 :
229 1 : suite = create_suite();
230 1 : sr = srunner_create(suite);
231 : /* If CK_VERBOSITY is set, use that, otherwise it defaults to CK_NORMAL */
232 1 : srunner_run_all(sr, CK_ENV);
233 1 : failure_count = srunner_ntests_failed(sr);
234 1 : srunner_free(sr);
235 1 : return (failure_count == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
236 : }
237 :
|
