1 /* Copyright (C) 2018 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 <stdlib.h>
18 #include <stdint.h>
19 #include <string.h>
20 #include <tap/basic.h>
21
22 #include "libknot/endian.h"
23
main(int argc,char * argv[])24 int main(int argc, char *argv[])
25 {
26 plan(12);
27
28 typedef union {
29 uint16_t value;
30 uint8_t array[2];
31 } trafo16_t;
32
33 const uint16_t host16 = 0x0102;
34 const trafo16_t be16 = { .array = { 0x01, 0x02 } };
35 const trafo16_t le16 = { .array = { 0x02, 0x01 } };
36 ok(htobe16(host16) == be16.value, "htobe16");
37 ok(htole16(host16) == le16.value, "htole16");
38 ok(be16toh(be16.value) == host16, "be16toh");
39 ok(le16toh(le16.value) == host16, "le16toh");
40
41 typedef union {
42 uint32_t value;
43 uint8_t array[4];
44 } trafo32_t;
45
46 const uint32_t host32 = 0x01020304;
47 const trafo32_t be32 = { .array = { 0x01, 0x02, 0x03, 0x04 } };
48 const trafo32_t le32 = { .array = { 0x04, 0x03, 0x02, 0x01 } };
49 ok(htobe32(host32) == be32.value, "htobe32");
50 ok(htole32(host32) == le32.value, "htole32");
51 ok(be32toh(be32.value) == host32, "be32toh");
52 ok(le32toh(le32.value) == host32, "le32toh");
53
54 typedef union {
55 uint64_t value;
56 uint8_t array[8];
57 } trafo64_t;
58
59 const uint64_t host64 = 0x0102030405060708;
60 const trafo64_t be64 = { .array = { 0x01, 0x02, 0x03, 0x04,
61 0x05, 0x06, 0x07, 0x08 } };
62 const trafo64_t le64 = { .array = { 0x08, 0x07, 0x06, 0x05,
63 0x04, 0x03, 0x02, 0x01 } };
64 ok(htobe64(host64) == be64.value, "htobe64");
65 ok(htole64(host64) == le64.value, "htole64");
66 ok(be64toh(be64.value) == host64, "be64toh");
67 ok(le64toh(le64.value) == host64, "le64toh");
68
69 return 0;
70 }
71