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<!DOCTYPE html>
<html>
<head>
<title>Referrer Policy: iframes srdoc correctly inherit the ancestor's referrer policy</title>
<link rel="help" href="https://www.w3.org/TR/referrer-policy/#referrer-policy-delivery-nested">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/make-html-script.js"></script>
<meta name="referrer" content="origin">
</head>
<body>
<h1>Referrer Policy: iframes srcdoc correctly inherit the ancestor's referrer policy</h1>
<script>
let reportedReferrer = () => {
return new Promise(resolve => {
window.addEventListener("message", msg => resolve(msg.data.referrer));
});
};
const iframe = document.createElement("iframe");
promise_test(async t => {
let referrer = reportedReferrer();
iframe.srcdoc = createScriptString(get_host_info().REMOTE_ORIGIN,
location.origin + "/custom");
document.body.appendChild(iframe);
assert_equals(await referrer, self.origin + "/",
"Referrer policy should be inherited from parent.");
let meta = document.createElement('meta');
meta.name = "referrer";
meta.content = "unsafe-url";
document.head.appendChild(meta);
iframe.contentWindow.postMessage('checkReferrer');
assert_equals(
await reportedReferrer(), self.origin + "/",
"Changing parent's referrer policy has no effect on the child.");
}, "Srcdoc iframe inherits referrer policy from parent on creation.");
</script>
<div id="log"></div>
</body>
</html>
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