65 lines
1.5 KiB
HTML
65 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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body {
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background-color: white;
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height: 1000px;
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}
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body.transparent {
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background-color: rgba(0, 0, 0, 0.2);
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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 documentLoaded()
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{
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window.setTimeout(doTest, 0);
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}
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function appendLayerDump()
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{
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if (window.internals)
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document.getElementById('output').textContent += window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_TILE_CACHES);
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}
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function doTest()
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{
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if (window.internals)
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internals.setViewBaseBackgroundColor('transparent');
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appendLayerDump();
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document.body.classList.add('transparent');
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appendLayerDump();
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document.body.classList.remove('transparent');
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appendLayerDump();
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if (window.internals)
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internals.setViewBaseBackgroundColor('white');
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document.body.classList.add('transparent');
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appendLayerDump();
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if (window.testRunner)
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testRunner.notifyDone();
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}
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window.addEventListener('load', documentLoaded, false);
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</script>
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</head>
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<body>
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<p>Page tiles should be transparent if the body's background has alpha.</p>
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<div id="test"></div>
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<pre id="output"></pre>
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</body>
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</html>
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