2 * collectd - src/tests/test_utils_avltree.c
3 * Copyright (C) 2013 Florian octo Forster
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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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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21 * DEALINGS IN THE SOFTWARE.
24 * Florian octo Forster <octo at collectd.org>
28 #include "common.h" /* STATIC_ARRAY_SIZE */
31 #include "utils_avltree.h"
33 static int compare_total_count;
35 #define RESET_COUNTS() \
37 compare_total_count = 0; \
40 static int compare_callback(void const *v0, void const *v1) {
44 compare_total_count++;
45 return strcmp(v0, v1);
53 static int kv_compare(const void *a_ptr, const void *b_ptr) {
54 return strcmp(((struct kv_t *)a_ptr)->key, ((struct kv_t *)b_ptr)->key);
58 struct kv_t cases[] = {
59 {"Eeph7chu", "vai1reiV"}, {"igh3Paiz", "teegh1Ee"},
60 {"caip6Uu8", "ooteQu8n"}, {"Aech6vah", "AijeeT0l"},
61 {"Xah0et2L", "gah8Taep"}, {"BocaeB8n", "oGaig8io"},
62 {"thai8AhM", "ohjeFo3f"}, {"ohth6ieC", "hoo8ieWo"},
63 {"aej7Woow", "phahuC2s"}, {"Hai8ier2", "Yie6eimi"},
64 {"phuXi3Li", "JaiF7ieb"}, {"Shaig5ef", "aihi5Zai"},
65 {"voh6Aith", "Oozaeto0"}, {"zaiP5kie", "seep5veM"},
66 {"pae7ba7D", "chie8Ojo"}, {"Gou2ril3", "ouVoo0ha"},
67 {"lo3Thee3", "ahDu4Zuj"}, {"Rah8kohv", "ieShoc7E"},
68 {"ieN5engi", "Aevou1ah"}, {"ooTe4OhP", "aingai5Y"},
71 struct kv_t sorted_cases[STATIC_ARRAY_SIZE(cases)];
72 memcpy(sorted_cases, cases, sizeof(cases));
73 qsort(sorted_cases, STATIC_ARRAY_SIZE(cases), sizeof(struct kv_t),
79 CHECK_NOT_NULL(t = c_avl_create(compare_callback));
82 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
86 CHECK_NOT_NULL(key = strdup(cases[i].key));
87 CHECK_NOT_NULL(value = strdup(cases[i].value));
89 CHECK_ZERO(c_avl_insert(t, key, value));
90 EXPECT_EQ_INT((int)(i + 1), c_avl_size(t));
93 /* Key already exists. */
94 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++)
95 EXPECT_EQ_INT(1, c_avl_insert(t, cases[i].key, cases[i].value));
98 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
99 char *value_ret = NULL;
101 CHECK_ZERO(c_avl_get(t, cases[i].key, (void *)&value_ret));
102 EXPECT_EQ_STR(cases[i].value, value_ret);
105 /* iterate forward */
107 c_avl_iterator_t *iter = c_avl_get_iterator(t);
111 while (c_avl_iterator_next(iter, (void **)&key, (void **)&value) == 0) {
112 EXPECT_EQ_STR(sorted_cases[i].key, key);
113 EXPECT_EQ_STR(sorted_cases[i].value, value);
116 c_avl_iterator_destroy(iter);
117 EXPECT_EQ_INT(i, STATIC_ARRAY_SIZE(cases));
120 /* iterate backward */
122 c_avl_iterator_t *iter = c_avl_get_iterator(t);
126 while (c_avl_iterator_prev(iter, (void **)&key, (void **)&value) == 0) {
127 EXPECT_EQ_STR(sorted_cases[STATIC_ARRAY_SIZE(cases) - 1 - i].key, key);
128 EXPECT_EQ_STR(sorted_cases[STATIC_ARRAY_SIZE(cases) - 1 - i].value,
132 c_avl_iterator_destroy(iter);
133 EXPECT_EQ_INT(i, STATIC_ARRAY_SIZE(cases));
137 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases) / 2; i++) {
141 int expected_size = (int)(STATIC_ARRAY_SIZE(cases) - (i + 1));
143 CHECK_ZERO(c_avl_remove(t, cases[i].key, (void *)&key, (void *)&value));
145 EXPECT_EQ_STR(cases[i].key, key);
146 EXPECT_EQ_STR(cases[i].value, value);
151 EXPECT_EQ_INT(expected_size, c_avl_size(t));
154 /* pick the other half */
155 for (size_t i = STATIC_ARRAY_SIZE(cases) / 2; i < STATIC_ARRAY_SIZE(cases);
160 int expected_size = (int)(STATIC_ARRAY_SIZE(cases) - (i + 1));
162 EXPECT_EQ_INT(expected_size + 1, c_avl_size(t));
163 EXPECT_EQ_INT(0, c_avl_pick(t, (void *)&key, (void *)&value));
168 EXPECT_EQ_INT(expected_size, c_avl_size(t));