6 testRunner.waitUntilDone();
8 var canvas = document.querySelector("canvas");
9 var context = canvas.getContext("2d");
13 requestAnimationFrame(function() {
15 // second frame which doesn't have a dirty
18 requestAnimationFrame(function() {
20 // third frame which has a dirty
22 context.fillRect(0, 0, 10, 10);
24 if (window.testRunner)
25 testRunner.notifyDone();