LayoutTests/fast/canvas/canvas-empty-image-pattern.html - WebKit - Git at Google

 <!DOCTYPE HTML>
 <title>Canvas test: filling a pattern with an empty image should not crash.</title>
 <canvas id="canvas" class="output" width="100" height="100"><p class="fallback">FAIL (fallback content)</p></canvas>
 <script>
 var canvas = document.getElementById("canvas").getContext("2d");
 canvas.fillStyle = canvas.createPattern(new Image, "repeat")
 canvas.fillRect(0,0,1,1)
 </script>
	<!DOCTYPE HTML>
	<title>Canvas test: filling a pattern with an empty image should not crash.</title>
	<canvas id="canvas" class="output" width="100" height="100"><p class="fallback">FAIL (fallback content)</p></canvas>
	<script>
	var canvas = document.getElementById("canvas").getContext("2d");
	canvas.fillStyle = canvas.createPattern(new Image, "repeat")
	canvas.fillRect(0,0,1,1)
	</script>