From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001 From: fishsoupisgood <github@madingley.org> Date: Mon, 29 Apr 2019 01:17:54 +0100 Subject: Initial import of qemu-2.4.1 --- pixman/test/region-translate-test.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 pixman/test/region-translate-test.c (limited to 'pixman/test/region-translate-test.c') diff --git a/pixman/test/region-translate-test.c b/pixman/test/region-translate-test.c new file mode 100644 index 00000000..5a03027e --- /dev/null +++ b/pixman/test/region-translate-test.c @@ -0,0 +1,30 @@ +#include <assert.h> +#include "utils.h" + +/* Pixman had a bug where 32bit regions where clipped to 16bit sizes when + * pixman_region32_translate() was called. This test exercises that bug. + */ + +#define LARGE 32000 + +int +main (int argc, char **argv) +{ + pixman_box32_t rect = { -LARGE, -LARGE, LARGE, LARGE }; + pixman_region32_t r1, r2; + + pixman_region32_init_rects (&r1, &rect, 1); + pixman_region32_init_rect (&r2, rect.x1, rect.y1, rect.x2 - rect.x1, rect.y2 - rect.y1); + + assert (pixman_region32_equal (&r1, &r2)); + + pixman_region32_translate (&r1, -LARGE, LARGE); + pixman_region32_translate (&r1, LARGE, -LARGE); + + assert (pixman_region32_equal (&r1, &r2)); + + pixman_region32_fini (&r1); + pixman_region32_fini (&r2); + + return 0; +} -- cgit v1.2.3