diff options
Diffstat (limited to 'test/blitters-test.c')
| -rw-r--r-- | test/blitters-test.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/test/blitters-test.c b/test/blitters-test.c index 2120daf..af94835 100644 --- a/test/blitters-test.c +++ b/test/blitters-test.c @@ -57,6 +57,13 @@ create_random_image (pixman_format_code_t *allowed_formats, prng_randmemset (buf, stride * height, RANDMEMSET_MORE_00_AND_FF); } + /* test negative stride */ + if (prng_rand_n (4) == 0) + { + buf += (stride / 4) * (height - 1); + stride = - stride; + } + img = pixman_image_create_bits (fmt, width, height, buf, stride); if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR) @@ -89,6 +96,9 @@ free_random_image (uint32_t initcrc, if (fmt != PIXMAN_null) crc32 = compute_crc32_for_image (initcrc, img); + if (img->bits.rowstride < 0) + data += img->bits.rowstride * (img->bits.height - 1); + pixman_image_unref (img); free (data); @@ -385,6 +395,6 @@ main (int argc, const char *argv[]) } return fuzzer_test_main("blitters", 2000000, - 0x0CF3283B, + 0xAC8FDA98, test_composite, argc, argv); } |