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<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title></title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
</head>
<body>
<script>
<!--
promise_test(t => {
return new Promise((resolve) => {
let ifr = document.createElement("iframe");
ifr.src =
"data:text/html,<script> let bc = new BroadcastChannel(\"test\");" +
"bc.onmessage = (e) => {" +
" if (e.data == \"ping\") bc.postMessage('pong');"+
" else parent.postMessage({workerMessageOrigin: e.data, messageOrigin: e.origin}, \"*\"); };" +
"new Worker(URL.createObjectURL(new Blob([\"" +
"let bc2 = new BroadcastChannel('test'); bc2.postMessage('ping'); " +
"bc2.onmessage = e => bc2.postMessage(e.origin);" +
"\"], {type: 'text/javascript'}))); </script>";
window.addEventListener("message", t.step_func(e => {
assert_equals(e.data.workerMessageOrigin, "null");
assert_equals(e.data.messageOrigin, "null");
resolve();
}), {once: true});
document.body.appendChild(ifr);
});
}, "Opaque origin should be serialized to \"null\"");
//-->
</script>
</body>
</html>
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