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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=677638
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 677638 - port cloning</title>
  <script 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>
<div id="content"></div>
<pre id="test">
</pre>
  <script type="application/javascript">

  // This test checks if MessagePorts can be shared with iframes
  function test_iframe() {
    window.addEventListener('message', receiveMessage);
    function receiveMessage(evt) {
      if (evt.data.status == 'OK') {
        ok(true, evt.data.message);
      } else if (evt.data.status == 'KO') {
        ok(false, evt.data.message);
      } else if (evt.data.status == 'FINISH') {
        ok (evt.data.port instanceof MessagePort, "Data contains a MessagePort");
        window.removeEventListener('message', receiveMessage);
        runTest();
      } else {
        ok(false, "Unknown message");
      }
    }

    var a = new MessageChannel();
    ok(a, "MessageChannel created");

    var div = document.getElementById("content");
    ok(div, "Parent exists");

    var ifr = document.createElement("iframe");
    ifr.addEventListener("load", iframeLoaded);
    ifr.setAttribute('src', "iframe_messageChannel_cloning.html");
    div.appendChild(ifr);

    function iframeLoaded() {
      ifr.contentWindow.postMessage({ port: a.port2 }, '*', [a.port2]);
    }
  }

  var tests = [
    test_iframe
  ];

  function runTest() {
    if (!tests.length) {
      SimpleTest.finish();
      return;
    }

    var test = tests.shift();
    test();
  }

  SimpleTest.waitForExplicitFinish();
  runTest();
  </script>
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