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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=677638
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 677638 - basic support</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=677638">Mozilla Bug 677638</a>
<p id="display"></p>
<div id="content" style="display: none">
  <iframe name="x" id="x"></iframe>
  <iframe name="y" id="y"></iframe>
</div>
<pre id="test">
</pre>
  <script type="application/javascript">

  /** Test for Bug 677638 **/
  var a = new MessageChannel();
  ok(a, "MessageChannel created");

  var port1 = a.port1;
  ok(port1, "MessageChannel.port1 exists");
  is(port1, a.port1, "MessageChannel.port1 is port1");

  var port2 = a.port2;
  ok(port2, "MessageChannel.port1 exists");
  is(port2, a.port2, "MessageChannel.port2 is port2");

  [ 'postMessage', 'start', 'close' ].forEach(function(e) {
    ok(e in port1, "MessagePort1." + e + " exists");
    ok(e in port2, "MessagePort2." + e + " exists");
  });

  </script>
</body>
</html>