test_bug800386.xhtml

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<?xml version="1.0"?>

<?xml-stylesheet type="text/css" href="chrome://global/skin"?>

<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=800386

-->

<window title="Mozilla Bug 800386"

        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  <!-- test results are displayed in the html:body -->

  <body xmlns="http://www.w3.org/1999/xhtml">

  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=800386"

     target="_blank">Mozilla Bug 800386</a>

  </body>

  <!-- test code goes here -->

  <script type="application/javascript">

  <![CDATA[

  /** Test for Bug 800386 */

  SimpleTest.waitForExplicitFinish();

  var triedForwarding = false;

  var forwardFailed = false;

  var xhr = new XMLHttpRequest;

  var xhr2 = new XMLHttpRequest;

  var eventSink = xhr.getInterface(Ci.nsIProgressEventSink);

  isnot(eventSink, null, "Should get event sink directly!");

  // Now jump through some hoops to get us a getInterface call from C++

  var requestor = {

    getInterface(aIID) {

      if (aIID.equals(Ci.nsIProgressEventSink)) {

        triedForwarding = true;

        try {

          return xhr2.getInterface(aIID);

        } catch (e) {

          forwardFailed = true;

      throw Components.Exception("", Cr.NS_ERROR_NO_INTERFACE);

},

    QueryInterface: ChromeUtils.generateQI(["nsIInterfaceRequestor"])

};

  // HTTP URI so that we get progress callbacks

  xhr.open("GET", "http://mochi.test:8888/", false);

  xhr.channel.notificationCallbacks = requestor;

  xhr.onreadystatechange = function() {

    if (xhr.readyState == 4) {

      ok(triedForwarding,

         "Should have had an attempt to treat us as a progress event sink");

      ok(!forwardFailed,

         "Should have been able to forward getInterface on to the XHR");

      SimpleTest.finish();

  xhr.send();

]]>

  </script>

</window>