52 lines
1.3 KiB
HTML
52 lines
1.3 KiB
HTML
<!doctype HTML>
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<html class="reftest-wait">
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<meta charset="utf8">
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<title>Content Visibility: auto subtree becomes hidden in the viewport</title>
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<link rel="author" title="Rob Buis" href="mailto:rbuis@igalia.org">
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<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
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<link rel="match" href="container-ref.html">
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<meta name="assert" content="content-visibility:auto subtree becomes hidden (through both c-v and visibility properties) and so stops painting">
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<script src="/common/reftest-wait.js"></script>
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<style>
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#container {
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width: 150px;
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height: 150px;
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background: lightblue;
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}
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#child {
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width: 50px;
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height: 50px;
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background: red;
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}
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#autocontainer { content-visibility: auto; }
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</style>
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<div id=container>
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<div id="autocontainer">
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Test fails if you see this text or a red box.
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<div id=child></div>
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</div>
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</div>
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<script>
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function runTest() {
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document.getElementById("autocontainer").classList.remove("auto");
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document.getElementById("autocontainer").classList.add("hidden");
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document.getElementById("autocontainer").style.visibility = "hidden";
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requestAnimationFrame(takeScreenshot);
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}
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window.onload = requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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requestAnimationFrame(() => {
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runTest();
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});
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});
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});
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</script>
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</html>
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