1 /* Copyright (C) 2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
2
3 This program is free software: you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation, either version 3 of the License, or
6 (at your option) any later version.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program. If not, see <https://www.gnu.org/licenses/>.
15 */
16
17 #include <stdbool.h>
18 #include <tap/basic.h>
19
20 #include "libknot/rdata.h"
21
main(int argc,char * argv[])22 int main(int argc, char *argv[])
23 {
24 plan_lazy();
25
26 // Test array size
27 ok(knot_rdata_size(1) == 2 + 1 + 1, "rdata: array size odd.");
28 ok(knot_rdata_size(2) == 2 + 2, "rdata: array size even.");
29
30 // Test init
31 const size_t data_size = 16;
32 uint8_t buf1[knot_rdata_size(data_size)];
33 knot_rdata_t *rdata = (knot_rdata_t *)buf1;
34 uint8_t payload[] = "abcdefghijklmnop";
35 knot_rdata_init(rdata, data_size, payload);
36 const bool set_ok = rdata->len == data_size &&
37 memcmp(rdata->data, payload, data_size) == 0;
38 ok(set_ok, "rdata: init.");
39
40 // Test compare
41 rdata->len = data_size;
42 ok(knot_rdata_cmp(rdata, rdata) == 0, "rdata: cmp eq.");
43
44 knot_rdata_t *lower = rdata;
45 uint8_t buf2[knot_rdata_size(data_size)];
46 knot_rdata_t *greater = (knot_rdata_t *)buf2;
47 knot_rdata_init(greater, data_size, (uint8_t *)"qrstuvwxyz123456");
48 ok(knot_rdata_cmp(lower, greater) < 0, "rdata: cmp lower.");
49 ok(knot_rdata_cmp(greater, lower) > 0, "rdata: cmp greater.");
50
51 // Payloads will be the same.
52 memcpy(greater->data, lower->data, data_size);
53 assert(knot_rdata_cmp(lower, greater) == 0);
54
55 lower->len = data_size - 1;
56 ok(knot_rdata_cmp(lower, greater) < 0, "rdata: cmp lower size.");
57 ok(knot_rdata_cmp(greater, lower) > 0, "rdata: cmp greater size.");
58
59 return 0;
60 }
61