<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=608669
-->
<window title="Mozilla Bug 608669"
  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="application/javascript"
          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <!-- 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=608669"
     target="_blank">Mozilla Bug 608669</a>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript"><![CDATA[

var gOrigMaxTotalViewers = undefined;
function setCachePref(enabled) {
  var prefBranch = Components.classes["@mozilla.org/preferences-service;1"]
                             .getService(Components.interfaces.nsIPrefBranch);
  if (enabled) {
    is(typeof gOrigMaxTotalViewers, "undefined", "don't double-enable bfcache");
    prefBranch.setBoolPref("browser.sessionhistory.cache_subframes", true);
    gOrigMaxTotalViewers = prefBranch.getIntPref("browser.sessionhistory.max_total_viewers");
    prefBranch.setIntPref("browser.sessionhistory.max_total_viewers", 10);
  }
  else {
    is(typeof gOrigMaxTotalViewers, "number", "don't double-disable bfcache");
    prefBranch.setIntPref("browser.sessionhistory.max_total_viewers", gOrigMaxTotalViewers);
    gOrigMaxTotalViewers = undefined;
    try {
      prefBranch.clearUserPref("browser.sessionhistory.cache_subframes");
    } catch (e) { /* Pref didn't exist, meh */ }
  }
}


/** Test for Bug 608669 **/
SimpleTest.waitForExplicitFinish();

addLoadEvent(nextTest);

gen = doTest();

function nextTest() {
  gen.next();
}

function doTest() {
  var container = document.getElementById('container');

  setCachePref(true);

  var notificationCount = 0;
  var observer = {
    observe: function(aSubject, aTopic, aData) {
      is(aTopic, "chrome-document-global-created",
         "correct topic");
      is(aData, "null",
         "correct data");
      notificationCount++;
    }
  };

  var os = Components.classes["@mozilla.org/observer-service;1"].
    getService(Components.interfaces.nsIObserverService);
  os.addObserver(observer, "chrome-document-global-created", false);
  os.addObserver(observer, "content-document-global-created", false);

  is(notificationCount, 0, "initial count");

  // create a new iframe
  var iframe = document.createElement("iframe");
  container.appendChild(iframe);
  iframe.contentWindow.x = "y";
  is(notificationCount, 1, "after created iframe");
  
  // Try loading in an iframe
  iframe.setAttribute("src", "bug608669.xul");
  iframe.onload = nextTest;
  yield undefined;
  is(notificationCount, 1, "after first load");
  is(iframe.contentWindow.x, "y", "reused window");

  // Try loading again in an iframe
  iframe.setAttribute("src", "bug608669.xul?x");
  iframe.onload = nextTest;
  yield undefined;
  is(notificationCount, 2, "after second load");
  is("x" in iframe.contentWindow, false, "didn't reuse window");

  // Open a new window using window.open
  popup = window.open("bug608669.xul", "bug 608669",
                      "chrome,width=600,height=600");
  popup.onload = nextTest;
  yield undefined;
  is(notificationCount, 3, "after window.open load");
  popup.close();

  setCachePref(false);
  os.removeObserver(observer, "chrome-document-global-created");
  os.removeObserver(observer, "content-document-global-created");
  SimpleTest.finish();
  yield undefined;
}



  ]]></script>
  <vbox id="container" flex="1">
    <description>Below will an iframe be added</description>
  </vbox>
</window>
