test: Add checkerboard

Simply tests the rendering of the checkerboard commonly used as a
background in the test suite.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

test/Makefile.refs

@@ -82,6 +82,7 @@ REFERENCE_IMAGES = \
 	caps.image16.ref.png \
 	caps.ps.ref.png \
 	caps.ref.png \
+	checkerboard.ref.png \
 	clear-source.image16.ref.png \
 	clear-source.pdf.xfail.png \
 	clear-source.ps.xfail.png \
@@ -1280,9 +1281,6 @@ REFERENCE_IMAGES = \
 	svg-surface-source.rgb24.ref.png \
 	svg-surface-source.svg12.argb32.xfail.png \
 	svg-surface-source.svg12.rgb24.xfail.png \
-	test-fallback16-surface-source.ps.ref.png \
-	test-fallback16-surface-source.svg12.argb32.xfail.png \
-	test-fallback16-surface-source.svg12.rgb24.xfail.png \
 	text-antialias-gray.image16.ref.png \
 	text-antialias-gray.quartz.ref.png \
 	text-antialias-gray.ref.png \

test/Makefile.sources

@@ -21,6 +21,7 @@ test_sources = \
 	bug-extents.c					\
 	bug-seams.c					\
 	caps.c						\
+	checkerboard.c					\
 	caps-joins.c					\
 	caps-joins-alpha.c				\
 	caps-joins-curve.c				\

test/checkerboard.c

@@ -0,0 +1,48 @@
+/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
+/*
+ * Copyright 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Author: Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+/* Test the basic background used extensively in the test suite. */
+
+#include "cairo-test.h"
+
+#define HEIGHT 32
+#define WIDTH 32
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_test_paint_checkered (cr);
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (checkerboard,
+	    "Tests the checkerboard background",
+	    "paint", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, draw)
+