LayoutTests/fast/canvas/canvas-to-canvas.html - WebKit - Git at Google

 <!DOCTYPE HTML>
 <html>
 <head>
 <script src="../../resources/js-test-pre.js"></script>
 </head>
 <body>
 <script>
 description("Test to ensure that canvas-to-canvas drawImage after a stroked rect works correctly.");
 var canvas = document.createElement('canvas');
 var ctx = canvas.getContext('2d');

 ctx.lineWidth = 10;
 ctx.beginPath();
 ctx.strokeStyle = 'green';
 ctx.strokeRect(0, 0, 100, 100);

 var ctx2 = document.createElement('canvas').getContext('2d');

 ctx2.fillStyle = 'red';
 ctx2.fillRect(0, 0, 100, 100);
 ctx2.drawImage(canvas, 0, 0);
 var imageData = ctx2.getImageData(0, 0, 1, 1);
 var imgdata = imageData.data;
 shouldBe("imgdata[0]", "0");
 shouldBe("imgdata[1]", "128");
 shouldBe("imgdata[2]", "0");
 </script>
 <script src="../../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE HTML>
	<html>
	<head>
	<script src="../../resources/js-test-pre.js"></script>
	</head>
	<body>
	<script>
	description("Test to ensure that canvas-to-canvas drawImage after a stroked rect works correctly.");
	var canvas = document.createElement('canvas');
	var ctx = canvas.getContext('2d');

	ctx.lineWidth = 10;
	ctx.beginPath();
	ctx.strokeStyle = 'green';
	ctx.strokeRect(0, 0, 100, 100);

	var ctx2 = document.createElement('canvas').getContext('2d');

	ctx2.fillStyle = 'red';
	ctx2.fillRect(0, 0, 100, 100);
	ctx2.drawImage(canvas, 0, 0);
	var imageData = ctx2.getImageData(0, 0, 1, 1);
	var imgdata = imageData.data;
	shouldBe("imgdata[0]", "0");
	shouldBe("imgdata[1]", "128");
	shouldBe("imgdata[2]", "0");
	</script>
	<script src="../../resources/js-test-post.js"></script>
	</body>
	</html>