1 /*
2 * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #define TEST 1
22 #include "libavutil/random_seed.c"
23
24 #undef printf
25 #define N 256
26 #define F 2
27 #include <stdio.h>
28
29 typedef uint32_t (*random_seed_ptr_t)(void);
30
main(void)31 int main(void)
32 {
33 int i, j, rsf, retry;
34 uint32_t seeds[N];
35 random_seed_ptr_t random_seed[F] = {av_get_random_seed, get_generic_seed};
36
37 for (rsf=0; rsf<F; ++rsf){
38 for (retry=0; retry<3; retry++){
39 for (i=0; i<N; i++){
40 seeds[i] = random_seed[rsf]();
41 for (j=0; j<i; j++)
42 if (seeds[j] == seeds[i])
43 goto retry;
44 }
45 printf("seeds OK\n");
46 break;
47 retry:;
48 }
49 if (retry >= 3) {
50 printf("rsf %d: FAIL at %d with %"PRIX32"\n", rsf, j, seeds[j]);
51 return 1;
52 }
53 }
54 return 0;
55 }
56