content-visibility-auto-resize.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-auto-resize.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Layout Instability: resizing content-visibility:auto 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);

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

</script>

<style>

  .auto {

    content-visibility: auto;

    contain-intrinsic-size: 10px 3000px;

    width: 100px;

  .contained {

    height: 100px;

    background: blue;

</style>

<div class=auto><div class=contained></div></div>

<div class=auto><div class=contained></div></div>