content-visibility-hidden.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /layout-instability/content-visibility-hidden.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Layout Instability: content-visibility:hidden content</title>

<link rel="help" href="https://wicg.github.io/layout-instability/" />

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/util.js"></script>

<script>

// These scripts need to be before the contents because we need to ensure no

// layout shifts during page load.

promise_test(async () => {

  const watcher = new ScoreWatcher;

  // Wait for the initial render to complete.

  await waitForAnimationFrames(2);

  assert_equals(watcher.score, 0);

}, 'on-screen content-visibility:auto');

</script>

<style>

  #target {

    content-visibility: hidden;

    contain-intrinsic-size: 1px;

    width: 100px;

</style>

<div id=target>

  <div style="width: 100px; height: 100px; background: blue"></div>

</div>