test: Add a1-fill

Capture the bug report:
https://bugs.freedesktop.org/show_bug.cgi?id=31604

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

test/Makefile.refs

@@ -34,6 +34,9 @@ REFERENCE_IMAGES = \
 	reference/a1-clip-stroke.ref.png \
 	reference/a1-clip-stroke.traps.argb32.ref.png \
 	reference/a1-clip-stroke.traps.rgb24.ref.png \
+	reference/a1-fill.base.ref.png \
+	reference/a1-fill.ref.png \
+	reference/a1-fill.traps.ref.png \
 	reference/a1-image-sample.base.argb32.ref.png \
 	reference/a1-image-sample.base.rgb24.ref.png \
 	reference/a1-image-sample.gl.xfail.png \

test/Makefile.sources

@@ -1,6 +1,7 @@
 test_sources = \
 	a1-bug.c					\
 	a1-clip.c					\
+	a1-fill.c					\
 	a1-image-sample.c 				\
 	a1-mask.c					\
 	a1-mask-sample.c 				\

test/a1-fill.c

@@ -0,0 +1,67 @@
+/*
+ * 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>
+ */
+
+/* Exercise https://bugs.freedesktop.org/show_bug.cgi?id=31604 */
+
+#include "cairo-test.h"
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_surface_t *a1;
+    cairo_t *cr2;
+
+    a1 = cairo_image_surface_create (CAIRO_FORMAT_A1, 100, 100);
+    cr2 = cairo_create (a1);
+    cairo_surface_destroy (a1);
+
+    cairo_set_operator (cr2, CAIRO_OPERATOR_SOURCE);
+    cairo_rectangle (cr2, 10, 10, 80, 80);
+    cairo_set_source_rgb (cr2, 1, 1, 1);
+    cairo_fill (cr2);
+    cairo_rectangle (cr2, 20, 20, 60, 60);
+    cairo_set_source_rgb (cr2, 0, 0, 0);
+    cairo_fill (cr2);
+
+    a1 = cairo_surface_reference (cairo_get_target (cr2));
+    cairo_destroy (cr2);
+
+    cairo_set_source_rgb (cr, 1, 1, 1);
+    cairo_paint (cr);
+
+    cairo_set_source_rgb (cr, 1, 0, 0);
+    cairo_mask_surface (cr, a1, 0, 0);
+    cairo_surface_destroy (a1);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (a1_fill,
+	    "Test filling of an a1-surface and use as mask",
+	    "a1, alpha, fill, mask", /* keywords */
+	    "target=raster", /* requirements */
+	    100, 100,
+	    NULL, draw)