1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/* Copyright (C) CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#include "lib/generic/trie.h"
#include "tests/unit/test.h"
static const char *dict[] = {
"catagmatic", "prevaricator", "statoscope", "workhand", "benzamide",
"work", "workhands", // have some keys that are prefixes of each other
"alluvia", "fanciful", "bladish", "Tarsius", "unfast", "appropriative",
"seraphically", "monkeypod", "deflectometer", "tanglesome", "zodiacal",
"physiologically", "economizer", "forcepslike", "betrumpet",
"Danization", "broadthroat", "randir", "usherette", "nephropyosis",
"hematocyanin", "chrysohermidin", "uncave", "mirksome", "podophyllum",
"siphonognathous", "indoor", "featheriness", "forwardation",
"archruler", "soricoid", "Dailamite", "carmoisin", "controllability",
"unpragmatical", "childless", "transumpt", "productive",
"thyreotoxicosis", "oversorrow", "disshadow", "osse", "roar",
"pantomnesia", "talcer", "hydrorrhoea", "Satyridae", "undetesting",
"smoothbored", "widower", "sivathere", "pendle", "saltation",
"autopelagic", "campfight", "unexplained", "Macrorhamphosus",
"absconsa", "counterflory", "interdependent", "triact", "reconcentration",
"oversharpness", "sarcoenchondroma", "superstimulate", "assessory",
"pseudepiscopacy", "telescopically", "ventriloque", "politicaster",
"Caesalpiniaceae", "inopportunity", "Helion", "uncompatible",
"cephaloclasia", "oversearch", "Mahayanistic", "quarterspace",
"bacillogenic", "hamartite", "polytheistical", "unescapableness",
"Pterophorus", "cradlemaking", "Hippoboscidae", "overindustrialize",
"perishless", "cupidity", "semilichen", "gadge", "detrimental",
"misencourage", "toparchia", "lurchingly", "apocatastasis"
};
#define KEY_LEN(x) (strlen(x) + 1)
static const int dict_size = sizeof(dict) / sizeof(const char *);
static void test_init(void **state)
{
trie_t *t = trie_create(NULL);
assert_non_null(t);
*state = t;
}
static void test_insert(void **state)
{
trie_t *t = *state;
for (int i = 0; i < dict_size; ++i) {
trie_val_t *data = trie_get_ins(t, dict[i], KEY_LEN(dict[i]));
assert_non_null(data);
assert_null(*data);
*data = (char *)NULL + i; // yes, ugly
assert_ptr_equal(trie_get_try(t, dict[i], KEY_LEN(dict[i])), data);
}
assert_int_equal(trie_weight(t), dict_size);
}
static void test_missing(void **state)
{
trie_t *t = *state;
const char *notin = "p";
assert_null(trie_get_try(t, notin, KEY_LEN(notin)));
}
static int cmpstringp(const void *p1, const void *p2)
{
return strcmp(* (char * const *) p1, * (char * const *) p2);
}
static void test_iter(void **state)
{
// prepare sorted dictionary
char *dict_sorted[dict_size];
memcpy(dict_sorted, dict, sizeof(dict));
qsort(dict_sorted, dict_size, sizeof(dict[0]), cmpstringp);
// iterate and check the order is consistent
trie_t *t = *state;
trie_it_t *it = trie_it_begin(t);
for (int i = 0; i < dict_size; ++i, trie_it_next(it)) {
assert_false(trie_it_finished(it));
size_t len;
const char *key = trie_it_key(it, &len);
assert_int_equal(KEY_LEN(key), len);
assert_string_equal(key, dict_sorted[i]);
assert_ptr_equal(dict[(char *)*trie_it_val(it) - (char *)NULL],
dict_sorted[i]);
}
assert_true(trie_it_finished(it));
trie_it_free(it);
}
static void test_queue(void **state)
{
trie_t *t = *state;
// remove all the elements in ascending order
for (int i = 0; i < dict_size; ++i) {
char *key;
uint32_t len;
trie_val_t *data = trie_get_first(t, &key, &len);
assert_non_null(key);
assert_int_equal(len, KEY_LEN(key));
assert_non_null(data);
ptrdiff_t key_i = (char *)*data - (char *)NULL;
assert_string_equal(key, dict[key_i]);
len = 30;
char key_buf[len];
ptrdiff_t key_i_new;
int ret = trie_del_first(t, key_buf, &len, (trie_val_t *)&key_i_new);
assert_int_equal(ret, KNOT_EOK);
assert_int_equal(KEY_LEN(key_buf), len);
assert_int_equal(key_i, key_i_new);
assert_string_equal(dict[key_i], key_buf);
}
}
static void test_leq_bug(void **state)
{
/* We use different contents of the trie,
* so that the particular bug would've been triggered. */
trie_t *t = trie_create(NULL);
char key = 'a';
trie_get_ins(t, &key, sizeof(key));
key = (char)0xff;
trie_val_t *val;
int ret = trie_get_leq(t, &key, sizeof(key), &val);
assert_int_equal(ret, 1);
trie_free(t);
}
static void test_deinit(void **state)
{
trie_t *t = *state;
trie_free(t);
*state = NULL;
}
/* Program entry point */
int main(int argc, char **argv)
{
const UnitTest tests[] = {
group_test_setup(test_init),
unit_test(test_insert),
unit_test(test_leq_bug),
unit_test(test_missing),
unit_test(test_iter),
unit_test(test_queue),
group_test_teardown(test_deinit)
};
return run_group_tests(tests);
}
|
