1 files changed, 12 insertions, 0 deletions
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-pattern-behaviour.js b/third_party/WebKit/LayoutTests/fast/canvas/canvas-pattern-behaviour.js
index a476571..8d6f3a5 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-pattern-behaviour.js
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-pattern-behaviour.js
@@ -68,6 +68,18 @@ var tests = [
         shouldThrow("context.createPattern(green1x1, {toString:function(){ return null;}})");
     },
     function () {
+        shouldThrow("context.createPattern(null, '')");
+    },
+    function () {
+        shouldThrow("context.createPattern(undefined, '')");
+    },
+    function () {
+        shouldThrow("context.createPattern({}, '')");
+    },
+    function () {
+        shouldThrow("context.createPattern([], '')");
+    },
+    function () {
         var didThrow = false;
         try {
             var pattern = context.createPattern(green1x1, '');