| simon.fraser@apple.com | 6042ef4 | 2018-07-20 23:33:39 +0000 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <html> |
| 3 | <head> |
| 4 | <style> |
| 5 | @keyframes move { |
| 6 | from { transform: translate3d(0, 0, 0); } |
| 7 | to { transform: translate3d(100px, 0, 0); } |
| 8 | } |
| 9 | |
| 10 | #box { |
| 11 | position: absolute; |
| 12 | top: 1000px; |
| 13 | width: 100px; |
| 14 | height: 100px; |
| 15 | background-color: silver; |
| 16 | margin: 10px; |
| 17 | } |
| 18 | |
| 19 | #box.animating { |
| 20 | animation: move linear 0.1s forwards; |
| 21 | } |
| 22 | |
| 23 | </style> |
| 24 | <script> |
| 25 | if (window.testRunner) { |
| 26 | testRunner.dumpAsText(); |
| 27 | testRunner.waitUntilDone(); |
| 28 | } |
| 29 | |
| 30 | function dumpLayerTree() |
| 31 | { |
| 32 | if (!window.internals) |
| 33 | return; |
| 34 | |
| 35 | var out = document.getElementById('out'); |
| 36 | out.innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_BACKING_STORE_ATTACHED); |
| 37 | } |
| 38 | |
| 39 | function dumpLayersSoon() |
| 40 | { |
| 41 | setTimeout(function() { |
| 42 | dumpLayerTree(); |
| 43 | if (window.testRunner) |
| 44 | testRunner.notifyDone(); |
| 45 | }, 0); |
| 46 | } |
| 47 | |
| 48 | function runTest() |
| 49 | { |
| 50 | let box = document.getElementById('box'); |
| 51 | box.addEventListener('animationend', dumpLayersSoon, false); |
| 52 | box.classList.add('animating'); |
| 53 | } |
| 54 | |
| 55 | window.addEventListener('load', runTest, false); |
| 56 | |
| 57 | </script> |
| 58 | </head> |
| 59 | <body> |
| 60 | <p>An element with a finished fill-forwards animation should not trigger backing store outside the viewport.</p> |
| 61 | <pre id="out"></pre> |
| 62 | <div id="box"> |
| 63 | Some text here to force backing store. |
| 64 | </div> |
| 65 | |
| 66 | </body> |
| 67 | </html> |
