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<!DOCTYPE html>
<meta charset="utf-8">
<title>The incumbent page being cross-origin must not prevent the BroadcastChannel message from being seen</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<!-- This is the entry global -->
<iframe src="http://{{hosts[][www]}}:{{ports[http][0]}}/webmessaging/multi-globals/support/incumbent-document-domain.sub.html" id="incumbent"></iframe>
<iframe src="support/current-document-domain.sub.html" id="current"></iframe>
<script>
"use strict";
document.domain = "{{hosts[][]}}";
setup({ explicit_done: true });
const incumbentIframe = document.querySelector("#incumbent");
const currentIframe = document.querySelector("#current");
window.onload = () => {
async_test(t => {
const createdThroughCrossOrigin = frames[0].createBroadcastChannel("incumbent");
const createdSameOrigin = new BroadcastChannel("incumbent");
createdSameOrigin.onmessage = () => t.done();
createdSameOrigin.onmessageerror = t.unreached_func("messageerror event fired");
createdThroughCrossOrigin.postMessage("the message");
});
done();
};
</script>
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