From c5e0555ef58f02918a9803cb910e2cc523260d5d Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Tue, 24 Aug 2010 18:51:48 +0000
Subject: libxcb pixman git update 24/8/2010

---
 pixman/test/Makefile.am             |  2 ++
 pixman/test/region-translate-test.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 pixman/test/region-translate-test.c

(limited to 'pixman/test')

diff --git a/pixman/test/Makefile.am b/pixman/test/Makefile.am
index d3e9d3fa0..108ae96ee 100644
--- a/pixman/test/Makefile.am
+++ b/pixman/test/Makefile.am
@@ -7,6 +7,7 @@ INCLUDES = -I$(top_srcdir)/pixman -I$(top_builddir)/pixman
 TESTPROGRAMS =			\
 	a1-trap-test		\
 	region-test		\
+	region-translate-test	\
 	fetch-test		\
 	oob-test		\
 	window-test		\
@@ -27,6 +28,7 @@ trap_crasher_LDADD = $(TEST_LDADD)
 oob_test_LDADD = $(TEST_LDADD)
 window_test_LDADD = $(TEST_LDADD)
 scaling_crash_test_LDADD = $(TEST_LDADD)
+region_translate_test_LDADD = $(TEST_LDADD)
 
 region_test_LDADD = $(TEST_LDADD)
 region_test_SOURCES = region-test.c utils.c utils.h
diff --git a/pixman/test/region-translate-test.c b/pixman/test/region-translate-test.c
new file mode 100644
index 000000000..7c63df966
--- /dev/null
+++ b/pixman/test/region-translate-test.c
@@ -0,0 +1,30 @@
+#include <pixman.h>
+#include <assert.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