Add a test case for CAIRO_FORMAT_A8 masks that fails with libpixman.

1 files changed, 71 insertions, 0 deletions

diff --git a/test/a8-mask.c b/test/a8-mask.c
new file mode 100644
index 000000000..e255c4ffb
--- /dev/null
+++ b/test/a8-mask.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright © Jeff Muizelaar
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * JEFF MUIZELAAR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Jeff Muizelaar <jeff@infidigm.net>
+ */
+
+#include "cairo-test.h"
+
+cairo_test_t test = {
+    "a8-mask",
+    "test masks of CAIRO_FORMAT_A8",
+    8, 8
+};
+
+static unsigned char mask[] = {
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0,
+    0x0, 0x0, 0xff, 0x0, 0xff, 0x0, 0x0
+};
+
+
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_surface_t *image;
+    cairo_pattern_t *pattern;
+
+    cairo_set_source_rgb (cr, 0, 0, 1);
+    cairo_paint (cr);
+
+    image = cairo_image_surface_create_for_data (mask, CAIRO_FORMAT_A8,
+						 7, 8, 7);
+    pattern = cairo_pattern_create_for_surface (image);
+
+    cairo_set_source_rgb (cr, 1, 0, 0);
+    cairo_mask (cr, pattern);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+int
+main (void)
+{
+    return cairo_test_expect_failure (&test, draw,
+	    "only image fails");
+}