fcp-broken-image.html

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This WPT test may be referenced by the following Test IDs:
- /paint-timing/fcp-only/fcp-broken-image.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Performance Paint Timing Test: FCP due to broken image</title>

<link rel="author" title="Shubham Gupta" href="mailto:shubham.gupta@chromium.org">

<body>

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

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

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

<img id='broken'>

<script>

setup({"hide_test_state": true});

promise_test(async t => {

  const onload = new Promise(r => window.addEventListener('load', r));

  await onload;

  await assertNoFirstContentfulPaint(t);

  document.getElementById('broken').src = '../non-existent-image.jpg';

  await assertNoFirstContentfulPaint(t);

}, 'Broken image should not trigger First Contentful Paint.');

</script>

</body>