tests: Move all test programs to a subdirectory
[libav.git] / libavutil / tests / adler32.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <string.h>
20
21 #include "libavutil/log.h"
22 #include "libavutil/timer.h"
23 #include "libavutil/adler32.h"
24
25 #define LEN 7001
26
27 static volatile int checksum;
28
29 int main(int argc, char **argv)
30 {
31 int i;
32 char data[LEN];
33
34 av_log_set_level(AV_LOG_DEBUG);
35
36 for (i = 0; i < LEN; i++)
37 data[i] = ((i * i) >> 3) + 123 * i;
38
39 if (argc > 1 && !strcmp(argv[1], "-t")) {
40 for (i = 0; i < 1000; i++) {
41 START_TIMER;
42 checksum = av_adler32_update(1, data, LEN);
43 STOP_TIMER("adler");
44 }
45 } else {
46 checksum = av_adler32_update(1, data, LEN);
47 }
48
49 av_log(NULL, AV_LOG_DEBUG, "%X (expected 50E6E508)\n", checksum);
50 return checksum == 0x50e6e508 ? 0 : 1;
51 }