diff options
Diffstat (limited to 'libavutil/tests/random_seed.c')
-rw-r--r-- | libavutil/tests/random_seed.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libavutil/tests/random_seed.c b/libavutil/tests/random_seed.c new file mode 100644 index 0000000000..ebe9b3e7dd --- /dev/null +++ b/libavutil/tests/random_seed.c @@ -0,0 +1,46 @@ +/* + * 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 +#include <stdio.h> + +int main(void) +{ + int i, j, retry; + uint32_t seeds[N]; + + for (retry=0; retry<3; retry++){ + for (i=0; i<N; i++){ + seeds[i] = av_get_random_seed(); + for (j=0; j<i; j++) + if (seeds[j] == seeds[i]) + goto retry; + } + printf("seeds OK\n"); + return 0; + retry:; + } + printf("FAIL at %d with %X\n", j, seeds[j]); + return 1; +} |