portals-no-referrer.html
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
// TODO(jbroman): Remove use of BroadcastChannel for messaging once it is
// possible to postMessage to a portal the normal way.
promise_test(async () => {
assert_true('HTMLPortalElement' in self, 'HTMLPortalElement is required for this test');
let portal = document.createElement('portal');
let channelName = 'portals-no-referrer';
let broadcastChannel = new BroadcastChannel(channelName);
try {
let referrerPromise = new Promise((resolve, reject) => {
broadcastChannel.addEventListener('message', e => {
resolve(e.data);
}, {once: true});
});
portal.src = `resources/postmessage-referrer.sub.html?broadcastchannel=${channelName}`;
document.body.appendChild(portal);
try {
let {httpReferrer, documentReferrer} = await referrerPromise;
assert_equals(httpReferrer, 'no-http-referrer', 'No HTTP Referer header should be sent');
assert_equals(documentReferrer, 'no-document-referrer', 'No document.referrer should be present');
} finally {
document.body.removeChild(portal);
}
} finally {
broadcastChannel.close();
}
}, "portal contents should be loaded with no referrer");
</script>
</body>