| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| .container { |
| position: relative; |
| height: 200px; |
| width: 500px; |
| border: 1px solid black; |
| overflow: hidden; |
| z-index: 0; |
| } |
| |
| .box { |
| position: absolute; |
| left: -100px; |
| width: 200px; |
| height: 200px; |
| background-color: blue; |
| -webkit-animation: move 20000000s linear; |
| } |
| |
| @-webkit-keyframes move { |
| from { -webkit-transform: none; } |
| to { -webkit-transform: translateX(400px); } |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function doTest() |
| { |
| const animated = document.getElementById('animated'); |
| animated.classList.add('animating'); |
| animated.getAnimations()[0].ready.then(() => { |
| if (window.internals) |
| document.getElementById('layers').innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_VISIBLE_RECTS) |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }); |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <div class="container"> |
| <div id="animated" class="box"></div> |
| </div> |
| |
| <pre id="layers">Layer tree goes here when testing</pre> |
| </body> |
| </html> |
