31 lines
944 B
HTML
31 lines
944 B
HTML
<!DOCTYPE html>
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<title>Layout Instability: resizing content-visibility:auto content</title>
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<link rel="help" href="https://wicg.github.io/layout-instability/" />
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/util.js"></script>
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<script>
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// These scripts need to be before the contents because we need to ensure no
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// layout shifts during page load.
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promise_test(async () => {
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const watcher = new ScoreWatcher;
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// Wait for the initial render to complete.
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await waitForAnimationFrames(2);
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assert_equals(watcher.score, 0);
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}, 'off-screen content-visibility:auto');
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</script>
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<style>
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.auto {
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content-visibility: auto;
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contain-intrinsic-size: 10px 3000px;
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width: 100px;
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}
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.contained {
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height: 100px;
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background: blue;
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}
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</style>
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<div class=auto><div class=contained></div></div>
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<div class=auto><div class=contained></div></div>
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