chromium/third_party/blink/web_tests/external/wpt/speculation-rules/prerender/referrer-policy-origin.html

<!DOCTYPE html>
<meta name="referrer" content="origin">
<meta name="timeout" content="long">
<title>Test origin referrer</title>
<script src="/common/utils.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.js"></script>

<script src="resources/referrer-test.js"></script>

<body>
<script>
setup(() => assertSpeculationRulesIsSupported());

// Tests that the referrer on the prerendering navigation request is the
// triggering page's origin when the referrer policy is set to origin.
// Note that "origin" is a lax referrer policy, but since this is a same-site
// prerender, it does not cause the prerender to be aborted.
promise_test(async t => {
  const expected = new URL('', window.origin).href;
  await referrer_test(expected, token());
}, 'origin referrer');

</script>