diff options
Diffstat (limited to 'libavutil/tests/random_seed.c')
-rw-r--r-- | libavutil/tests/random_seed.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libavutil/tests/random_seed.c b/libavutil/tests/random_seed.c new file mode 100644 index 0000000000..78067dbe41 --- /dev/null +++ b/libavutil/tests/random_seed.c @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define TEST 1 +#include "libavutil/random_seed.c" + +#undef printf +#define N 256 +#define F 2 +#include <stdio.h> + +typedef uint32_t (*random_seed_ptr_t)(void); + +int main(void) +{ + int i, j, rsf, retry; + uint32_t seeds[N]; + random_seed_ptr_t random_seed[F] = {av_get_random_seed, get_generic_seed}; + + for (rsf=0; rsf<F; ++rsf){ + for (retry=0; retry<3; retry++){ + for (i=0; i<N; i++){ + seeds[i] = random_seed[rsf](); + for (j=0; j<i; j++) + if (seeds[j] == seeds[i]) + goto retry; + } + printf("seeds OK\n"); + break; + retry:; + } + if (retry >= 3) { + printf("rsf %d: FAIL at %d with %X\n", rsf, j, seeds[j]); + return 1; + } + } + return 0; +} |