File: window-messagechannel-success.https.html

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<!DOCTYPE html>
<meta charset="utf-8">
<title>Structured cloning of SharedArrayBuffers using MessageChannel</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/#structuredserialize">
<link rel="author" title="Domenic Denicola" href="mailto:d@domenic.me">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-incrementer.js"></script>

<div id="log"></div>

<script>
"use strict";

promise_test(t => {
  const worker = new Worker("resources/incrementer-worker-with-channel.js");
  const channel = new MessageChannel();
  worker.postMessage(channel.port2, [channel.port2]);

  return testSharingViaIncrementerScript(t, channel.port1, "window", channel.port1, "worker");
}, "postMessaging to a dedicated worker via MessageChannel allows them to see each others' modifications");
</script>