add cairo

1 files changed, 58 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/test/gradient-zero-stops.c b/libs/cairo-1.16.0/test/gradient-zero-stops.c
new file mode 100644
index 0000000..57a91c5
--- /dev/null
+++ b/libs/cairo-1.16.0/test/gradient-zero-stops.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright © 2007 Brian Ewins
+ *
+ * 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: Brian Ewins <Brian.Ewins@gmail.com>
+ */
+
+#include "cairo-test.h"
+
+/* This test case is designed to exercise the following bug:
+ *
+ *      Crash when trying to paint gradient with no stops
+ *      https://bugzilla.mozilla.org/show_bug.cgi?id=407104
+ */
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_pattern_t *pat;
+
+    pat = cairo_pattern_create_linear (0., 0., 1., 1.);
+    cairo_set_source (cr, pat);
+    cairo_paint (cr);
+    cairo_pattern_destroy (pat);
+
+    pat = cairo_pattern_create_radial (0., 0., 0., 1., 1., 1.);
+    cairo_set_source (cr, pat);
+    cairo_paint (cr);
+    cairo_pattern_destroy (pat);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (gradient_zero_stops,
+	    "Verifies that gradients with no stops don't cause problems.",
+	    "gradient", /* keywords */
+	    NULL, /* requirements */
+	    2, 2,
+	    NULL, draw)