1 /*
2 * SysDB - t/unit/utils/avltree_test.c
3 * Copyright (C) 2015 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 "utils/avltree.h"
29 #include "libsysdb_test.h"
31 #include <check.h>
33 static sdb_avltree_t *tree;
35 static void
36 setup(void)
37 {
38 tree = sdb_avltree_create(NULL);
39 fail_unless(tree != NULL,
40 "sdb_avltree_create() = NULL; expected AVL-tree object");
41 } /* setup */
43 static void
44 teardown(void)
45 {
46 sdb_avltree_destroy(tree);
47 tree = NULL;
48 } /* teardown */
50 /* 'a' thru 'o' */
51 static sdb_object_t test_data[] = {
52 SSTRING_OBJ("h"),
53 SSTRING_OBJ("j"),
54 SSTRING_OBJ("i"),
55 SSTRING_OBJ("f"),
56 SSTRING_OBJ("e"),
57 SSTRING_OBJ("g"),
58 SSTRING_OBJ("k"),
59 SSTRING_OBJ("l"),
60 SSTRING_OBJ("m"),
61 SSTRING_OBJ("n"),
62 SSTRING_OBJ("o"),
63 SSTRING_OBJ("d"),
64 SSTRING_OBJ("c"),
65 SSTRING_OBJ("b"),
66 SSTRING_OBJ("a"),
67 };
69 static void
70 populate(void)
71 {
72 size_t i;
73 for (i = 0; i < SDB_STATIC_ARRAY_LEN(test_data); ++i)
74 sdb_avltree_insert(tree, &test_data[i]);
75 } /* populate */
77 START_TEST(test_null)
78 {
79 sdb_object_t o1 = SSTRING_OBJ("obj");
80 sdb_object_t *o2;
81 sdb_avltree_iter_t *iter;
82 int check;
84 /* all functions should work even when passed null values */
85 sdb_avltree_destroy(NULL);
86 sdb_avltree_clear(NULL);
88 check = sdb_avltree_insert(NULL, NULL);
89 fail_unless(check < 0,
90 "sdb_avltree_insert(NULL, NULL) = %d; expected: <0", check);
91 check = sdb_avltree_insert(NULL, &o1);
92 fail_unless(check < 0,
93 "sdb_avltree_insert(NULL, <obj>) = %d; expected: <0", check);
94 fail_unless(o1.ref_cnt == 1,
95 "sdb_avltree_insert(NULL, <obj>) incremented ref-cnt");
96 /* it's acceptable to insert NULL */
98 iter = sdb_avltree_get_iter(NULL);
99 fail_unless(iter == NULL,
100 "sdb_avltree_get_iter(NULL) = %p; expected: NULL", iter);
102 check = sdb_avltree_iter_has_next(NULL) != 0;
103 fail_unless(check == 0,
104 "sdb_avltree_iter_has_next(NULL) = %d; expected: 0", check);
105 o2 = sdb_avltree_iter_get_next(NULL);
106 fail_unless(o2 == NULL,
107 "sdb_avltree_iter_get_next(NULL) = %p; expected: NULL", o2);
109 sdb_avltree_iter_destroy(NULL);
111 check = (int)sdb_avltree_size(NULL);
112 fail_unless(check == 0,
113 "sdb_avltree_size(NULL) = %d; expected: 0", check);
114 }
115 END_TEST
117 START_TEST(test_insert)
118 {
119 size_t i;
121 for (i = 0; i < SDB_STATIC_ARRAY_LEN(test_data); ++i) {
122 int check;
124 check = sdb_avltree_insert(tree, &test_data[i]);
125 fail_unless(check == 0,
126 "sdb_avltree_insert(<tree>, <%s>) = %d; expected: 0",
127 test_data[i].name, check);
129 check = (int)sdb_avltree_size(tree);
130 fail_unless(check == (int)i + 1,
131 "sdb_avltree_size(<tree>) = %d; expected: %zu",
132 check, i + 1);
133 }
135 /* and again ... now reporting errors because of duplicates */
136 for (i = 0; i < SDB_STATIC_ARRAY_LEN(test_data); ++i) {
137 int check;
139 check = sdb_avltree_insert(tree, &test_data[i]);
140 fail_unless(check < 0,
141 "sdb_avltree_insert(<tree>, <%s>) = %d (redo); expected: <0",
142 test_data[i].name, check);
144 check = (int)sdb_avltree_size(tree);
145 fail_unless(check == SDB_STATIC_ARRAY_LEN(test_data),
146 "sdb_avltree_size(<tree>) = %d; expected: %zu",
147 check, SDB_STATIC_ARRAY_LEN(test_data));
148 }
149 }
150 END_TEST
152 START_TEST(test_iter)
153 {
154 sdb_avltree_iter_t *iter;
155 sdb_object_t *obj;
157 size_t check, i;
159 populate();
160 check = sdb_avltree_size(tree);
161 fail_unless(check == SDB_STATIC_ARRAY_LEN(test_data),
162 "INTERNAL ERROR: AVL tree size (after populate) = %zu; "
163 "expected: %zu", check, SDB_STATIC_ARRAY_LEN(test_data));
165 iter = sdb_avltree_get_iter(tree);
166 fail_unless(iter != NULL,
167 "sdb_avltree_get_iter(<tree>) = NULL; expected: <iter>");
169 for (i = 0; i < SDB_STATIC_ARRAY_LEN(test_data); ++i) {
170 char expected_name[] = { (char)('a' + (int)i), '\0' };
172 _Bool c = sdb_avltree_iter_has_next(iter);
173 fail_unless(c, "sdb_avltree_iter_has_next(<iter[%zu]>) = false; "
174 "expected: true", i);
176 obj = sdb_avltree_iter_get_next(iter);
177 fail_unless(obj != NULL,
178 "sdb_avltree_iter_get_next(<iter[%zu]>) = NULL; "
179 "expected: <obj>", i);
180 fail_unless(!strcmp(obj->name, expected_name),
181 "sdb_avltree_iter[%zu] = %s; expected: %s",
182 i, obj->name, expected_name);
183 }
185 check = sdb_avltree_iter_has_next(iter) != 0;
186 fail_unless(check == 0, "sdb_avltree_iter_has_next(<iter>) = true; "
187 "expected: false");
188 obj = sdb_avltree_iter_get_next(iter);
189 fail_unless(obj == NULL,
190 "sdb_avltree_iter_get_next(<iter>) = <obj>; expected: NULL");
192 sdb_avltree_iter_destroy(iter);
194 sdb_avltree_clear(tree);
195 check = sdb_avltree_size(tree);
196 fail_unless(check == 0,
197 "sdb_avltree_clear(<tree>) left %zu nodes in the tree; "
198 "expected: 0", check);
199 }
200 END_TEST
202 Suite *
203 util_avltree_suite(void)
204 {
205 Suite *s = suite_create("utils::avltree");
206 TCase *tc;
208 tc = tcase_create("core");
209 tcase_add_checked_fixture(tc, setup, teardown);
210 tcase_add_test(tc, test_null);
211 tcase_add_test(tc, test_insert);
212 tcase_add_test(tc, test_iter);
213 suite_add_tcase(s, tc);
215 return s;
216 } /* util_avltree_suite */
218 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */