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