69 lines
1.5 KiB
HTML
69 lines
1.5 KiB
HTML
<!doctype HTML>
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<html class="reftest-wait">
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<meta charset="utf8">
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<title>CSS Content Visibility: toggling auto with composited descedant</title>
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<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.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="content-visibility-074-ref.html">
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<meta name="assert" content="after toggling content-visibility auto a few times, composited descedant is visible.">
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<script src="/common/reftest-wait.js"></script>
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<style>
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#a { will-change: transform; }
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#b { height: 15000px; }
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#c {
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width: 800px;
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height: 600px;
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}
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#d {
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will-change: transform;
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top: 0px;
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width: 500px;
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height: 500px;
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background: green;
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}
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.auto {
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content-visibility: auto;
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}
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</style>
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<div id="a">
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</div>
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<div id="b">
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<div id="c" class=auto>
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<div id="d"></div>
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</div>
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</div>
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</div>
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<script>
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function runTest(step) {
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if (step % 2 == 0) {
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requestAnimationFrame(() => runTest(step + 1));
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return;
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}
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switch(step) {
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case 1:
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document.getElementById("c").classList.remove("auto");
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break;
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case 3:
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document.getElementById("c").classList.add("auto");
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break;
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case 5:
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document.getElementById("c").classList.remove("auto");
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break;
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case 7:
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document.getElementById("c").classList.add("auto");
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break;
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case 9:
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takeScreenshot();
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return;
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}
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requestAnimationFrame(() => runTest(step + 1));
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}
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window.onload = () => requestAnimationFrame(() => runTest(0));
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</script>
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