| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| .mover { |
| height: 100px; |
| width: 3000px; |
| background-color: gray; |
| border: 1px solid black; |
| } |
| |
| .mover.animating { |
| animation: move 0.25s forwards linear; |
| } |
| |
| @keyframes move { |
| from { transform: translateX(1000px); } |
| to { transform: translateX(-2000px); } |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| function doTest() |
| { |
| window.setTimeout(function() { |
| var mover = document.getElementById('mover'); |
| mover.addEventListener('animationstart', function() { |
| if (window.internals) |
| internals.startTrackingLayerFlushes(); |
| }); |
| |
| mover.addEventListener('animationend', function() { |
| if (window.internals) { |
| var flushCount = internals.layerFlushCount(); |
| document.getElementById('result').textContent = flushCount ? "Saw layer flushes during animation: PASS" : "No layer flushes during animation: FAIL"; |
| } |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }); |
| mover.classList.add('animating'); |
| }, 0); |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| <div id="mover" class="mover"></div> |
| <div id="result">This test must be run in the test harness.</div> |
| </body> |
| </html> |
