<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../../resources/js-test.js"></script>
</head>
<script>
window.jsTestIsAsync = true;
description("This test checks behavior of Canvas::drawImage with a broken source image.");
// Create an image with invalid data.
var invalidImage = new Image();
invalidImage.src = 'resources/shadow-offset.js';
invalidImage.onerror = draw;
var ctx = document.createElement("canvas").getContext('2d');
function draw() {
// null and undefined images should throw TypeError
shouldThrow("ctx.drawImage(null, 0, 0)");
shouldThrow("ctx.drawImage(null, 0, 0, 20, 20)");
shouldThrow("ctx.drawImage(null, 0, 0, 20, 20, 0, 0, 20, 20)");
shouldThrow("ctx.drawImage(undefined, 0, 0)");
shouldThrow("ctx.drawImage(undefined, 0, 0, 20, 20)");
shouldThrow("ctx.drawImage(undefined, 0, 0, 20, 20, 0, 0, 20, 20)");
// broken images should not throw
shouldThrow("ctx.drawImage(invalidImage, 0, 0)");
shouldThrow("ctx.drawImage(invalidImage, 0, 0, 20, 20)");
shouldThrow("ctx.drawImage(invalidImage, 0, 0, 20, 20, 0, 0, 20, 20)");
shouldThrow("ctx.drawImage(invalidImage, 0, 0, 0, 20)");
shouldThrow("ctx.drawImage(invalidImage, 0, 0, 0, 20, 0, 0, 20, 20)");
finishJSTest();
}
</script>
</body>
</html>