1 /**
2 * collectd - src/tests/test_utils_heap.c
3 * Copyright (C) 2013 Florian octo Forster
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Florian octo Forster <octo at collectd.org>
25 */
26
27 #include "collectd.h"
28
29 #include "testing.h"
30 #include "utils/heap/heap.h"
31
compare(void const * v0,void const * v1)32 static int compare(void const *v0, void const *v1) {
33 int const *i0 = v0;
34 int const *i1 = v1;
35
36 if ((*i0) < (*i1))
37 return -1;
38 else if ((*i0) > (*i1))
39 return 1;
40 else
41 return 0;
42 }
43
DEF_TEST(simple)44 DEF_TEST(simple) {
45 int values[] = {9, 5, 6, 1, 3, 4, 0, 8, 2, 7};
46 c_heap_t *h;
47
48 CHECK_NOT_NULL(h = c_heap_create(compare));
49 for (int i = 0; i < 10; i++)
50 CHECK_ZERO(c_heap_insert(h, &values[i]));
51
52 for (int i = 0; i < 5; i++) {
53 int *ret = NULL;
54 CHECK_NOT_NULL(ret = c_heap_get_root(h));
55 OK(*ret == i);
56 }
57
58 CHECK_ZERO(c_heap_insert(h, &values[6] /* = 0 */));
59 CHECK_ZERO(c_heap_insert(h, &values[3] /* = 1 */));
60 CHECK_ZERO(c_heap_insert(h, &values[8] /* = 2 */));
61 CHECK_ZERO(c_heap_insert(h, &values[4] /* = 3 */));
62 CHECK_ZERO(c_heap_insert(h, &values[5] /* = 4 */));
63
64 for (int i = 0; i < 10; i++) {
65 int *ret = NULL;
66 CHECK_NOT_NULL(ret = c_heap_get_root(h));
67 OK(*ret == i);
68 }
69
70 c_heap_destroy(h);
71 return 0;
72 }
73
main(void)74 int main(void) {
75 RUN_TEST(simple);
76
77 END_TEST;
78 }
79