76 lines
2.2 KiB
HTML
76 lines
2.2 KiB
HTML
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<!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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width: 500px;
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height: 500px;
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border: 1px solid black;
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background-color: yellow;
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-webkit-transform:translateZ(0);
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}
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.box {
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position: absolute;
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left:50px;
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width: 200px;
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height: 200px;
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-webkit-transform:translateZ(0);
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}
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.at-the-top {
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top: 100px;
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background-color: red;
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}
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.at-the-bottom {
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top:200px;
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left: 275px;
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background-color: blue;
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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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var result = "";
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function testOnLoad()
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{
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// Small layer first
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if (window.testRunner)
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result = "First (small layer):<br>" + window.internals.layerTreeAsText(document);
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// Huge layer second
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document.getElementById('container').style.height = "5000px";
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document.getElementById('blue-box').style.top = "4700px";
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if (window.testRunner)
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result += "<br><br>Second (huge layer):<br>" + window.internals.layerTreeAsText(document);
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// Small layer third
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document.getElementById('container').style.height = "500px";
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document.getElementById('blue-box').style.top = "200px";
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if (window.testRunner) {
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result += "<br><br>Third (small layer):<br>" + window.internals.layerTreeAsText(document);
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document.getElementById('layers').innerHTML = result;
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}
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}
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window.addEventListener('load', testOnLoad, false);
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</script>
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</head>
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<body>
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<p>
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The yellow box should be 500 x 500 on startup. Then it should
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stretch to be 500 x 5000, then shrink back down to 500 x 500.
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This tests that we can resize to a huge layer and back again
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and still maintain integrity of the layer tree.
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</p>
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<div id="container">
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<div class="box at-the-top"></div>
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<div id="blue-box" class="box at-the-bottom"></div>
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</div>
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<pre id="layers">Layer tree appears here in DRT.</pre>
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</body>
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</html>
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