diff options
| -rw-r--r-- | test/affine-test.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/test/affine-test.c b/test/affine-test.c index f7f058a..b7a1fa6 100644 --- a/test/affine-test.c +++ b/test/affine-test.c @@ -112,10 +112,36 @@ test_composite (int testnum, if (lcg_rand_n (4) > 0) { - int c = lcg_rand_N (2 * 65536) - 65536; - int s = lcg_rand_N (2 * 65536) - 65536; - + int c, s, tx = 0, ty = 0; + switch (lcg_rand_n (4)) + { + case 0: + /* 90 degrees */ + c = 0; + s = pixman_fixed_1; + tx = pixman_int_to_fixed (MAX_SRC_HEIGHT); + break; + case 1: + /* 180 degrees */ + c = -pixman_fixed_1; + s = 0; + tx = pixman_int_to_fixed (MAX_SRC_WIDTH); + ty = pixman_int_to_fixed (MAX_SRC_HEIGHT); + break; + case 2: + /* 270 degrees */ + c = 0; + s = -pixman_fixed_1; + ty = pixman_int_to_fixed (MAX_SRC_WIDTH); + break; + default: + /* arbitrary rotation */ + c = lcg_rand_N (2 * 65536) - 65536; + s = lcg_rand_N (2 * 65536) - 65536; + break; + } pixman_transform_rotate (&transform, NULL, c, s); + pixman_transform_translate (&transform, NULL, tx, ty); } pixman_image_set_transform (src_img, &transform); @@ -256,6 +282,6 @@ main (int argc, const char *argv[]) { pixman_disable_out_of_bounds_workaround (); - return fuzzer_test_main ("affine", 8000000, 0x46EC3C6A, + return fuzzer_test_main ("affine", 8000000, 0x4B5D1852, test_composite, argc, argv); } |