Fix mask usage in image-compositor

1 files changed, 39 insertions, 0 deletions

diff --git a/test/bug-image-compositor.c b/test/bug-image-compositor.c
new file mode 100644
index 000000000..fc4fd370b
--- /dev/null
+++ b/test/bug-image-compositor.c
@@ -0,0 +1,39 @@
+#include "cairo-test.h"
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    cairo_set_source_rgb (cr, 0., 0., 0.);
+    cairo_paint (cr);
+
+    cairo_set_source_rgb (cr, 1., 1., 1.);
+    cairo_set_line_width (cr, 1.);
+
+    cairo_pattern_t *p = cairo_pattern_create_linear (0, 0, width, height);
+    cairo_pattern_add_color_stop_rgb (p, 0, 0.99, 1, 1);
+    cairo_pattern_add_color_stop_rgb (p, 1, 1, 1, 1);
+    cairo_set_source (cr, p);
+
+    cairo_move_to (cr, 0.5, -1);
+    for (int i = 0; i < width; i+=3) {
+	cairo_rel_line_to (cr, 2, 2);
+	cairo_rel_line_to (cr, 1, -2);
+    }
+
+    cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
+    cairo_stroke (cr);
+
+    cairo_pattern_destroy(p);
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+
+CAIRO_TEST (bug_image_compositor,
+	    "Crash in image-compositor",
+	    "stroke, stress", /* keywords */
+	    NULL, /* requirements */
+	    10000, 1,
+	    NULL, draw)
+	    
+