<!DOCTYPE HTML>
<html>
<!--
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">

  function runTest() {
    var MAX = 100;

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

    // Populate the message queue of this port.
    for (var i = 0; i < MAX; ++i) {
      a.port1.postMessage(i);
    }

    window.addEventListener('message', receiveMessage);
    function receiveMessage(evt) {

      // This test sends the port from this window to the iframe and viceversa.
      if (evt.data.type == 'PORT') {
        var port = evt.data.port;
        var counter = 0;
        port.onmessage = function(event) {
          // only 1 message should be received by this port.
          if (counter++ == 0) {
            ok(event.data % 2, "The number " + event.data + " has been received correctly by the main window");

            if (event.data < MAX - 1) {
              ifr.contentWindow.postMessage({ type: 'PORT', port }, '*', [port]);
            } else {
              SimpleTest.finish();
            }
          } else {
            ok(false, "Wrong message!");
          }
        }
      } else if (evt.data.type == 'OK') {
        ok(true, evt.data.msg);
      } else if (evt.data.type == 'KO') {
        ok(false, evt.data.msg);
      } else {
        ok(false, "Unknown message");
      }
    }

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

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

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

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