| <!DOCTYPE html> |
| |
| <script src="../../resources/js-test.js"></script> |
| |
| <iframe id="iframe"></iframe> |
| |
| <script> |
| description("Test that resize events are fired at requestAnimationFrame timing"); |
| |
| var jsTestIsAsync = true; |
| var resizeEventCount = 0; |
| var rafScheduled = false; |
| var iframe = document.getElementById('iframe'); |
| |
| iframe.contentWindow.onresize = function() { |
| ++resizeEventCount; |
| if (rafScheduled) |
| return; |
| rafScheduled = true; |
| requestAnimationFrame(function() { |
| shouldBe("resizeEventCount", "1"); |
| finishJSTest(); |
| }); |
| }; |
| |
| for (var i = 0; i < 5; ++i) { |
| iframe.style.width = i + 'px'; |
| iframe.offsetTop; |
| } |
| </script> |
| |
