<!DOCTYPE html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/utils.js"></script>
<style>
  img {
    content: url(resources/circle.svg);
  }
</style>
<img></img>
<script>
setup({"hide_test_state": true});
promise_test(async t => {
  const onload = new Promise(r => window.addEventListener('load', r));
  await onload;
  return assertFirstContentfulPaint(t);
}, 'Replaced content image triggers First Contentful Paint.');
</script>
</body>
