<!DOCTYPE html>
<html>
<head>
<title>Referrer policies for resources loaded via link rel prefetch</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<!-- Common global functions for referrer-policy tests. -->
<script src="/common/security-features/resources/common.sub.js"></script>
<meta name="referrer" content="origin">
<link rel="prefetch" href="/common/security-features/subresource/image.py">
</head>
<body>
<p>Check that resources loaded via link rel prefetch use the referrer
and referrer policy from the document.</p>
<script>
var img_url = "/common/security-features/subresource/image.py";
promise_test((t) => timeoutPromise(t, 1000)
.then(() => requestViaImage(img_url, null))
.then(message => {
assert_equals(message.headers.referer, document.location.origin + "/");
}),
"Prefetched image.");
</script>
<div id="log"></div>
</body>
</html>