widget/tests/test_bug760802.xul

<?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=760802
-->
<window title="Mozilla Bug 760802"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="application/javascript" 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=760802"
     target="_blank">Mozilla Bug 760802</a>
  <p id="display"></p>
  <div id="content" style="display: none"/>
  <iframe id="iframe_not_editable" width="300" height="150"
          src="data:text/html,&lt;html&gt;&lt;body&gt;&lt;/body&gt;&lt;/html&gt;"/><br/>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript"><![CDATA[
SimpleTest.waitForExplicitFinish();

function getBaseWindowInterface(win) {
  return win.QueryInterface(Ci.nsIInterfaceRequestor)
    .getInterface(Ci.nsIWebNavigation)
    .QueryInterface(Ci.nsIDocShellTreeItem)
    .treeOwner
    .QueryInterface(Ci.nsIInterfaceRequestor)
    .nsIBaseWindow;
}

function getBaseWindowInterfaceFromDocShell(win) {
  return win.QueryInterface(Ci.nsIInterfaceRequestor)
    .getInterface(Ci.nsIWebNavigation)
    .QueryInterface(Ci.nsIDocShell)
    .QueryInterface(Ci.nsIBaseWindow);
}

function shouldThrowException(fun, exception) {
  try {
    fun.call();
    return false;
  } catch (e) {
    $("display").innerHTML += "<br/>OK thrown: "+e.message;
    return (e instanceof Components.Exception &&
            e.result === exception)
  }
}
function doesntThrowException(fun) {
  return !shouldThrowException(fun);
}

var baseWindow = getBaseWindowInterface(this);
var nativeHandle = baseWindow.nativeHandle;
$("display").innerHTML = "found nativeHandle for this window: "+nativeHandle;

var wm = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator);
var win = wm.getMostRecentWindow("navigator:browser");
var docShell = getBaseWindowInterfaceFromDocShell(win);

ok(
  shouldThrowException(function(){docShell.nativeHandle;},
              Cr.NS_ERROR_NOT_IMPLEMENTED),
  "nativeHandle should not be implemented for nsDocShell"
);

ok(typeof(nativeHandle) === "string", "nativeHandle should be a string");
ok(nativeHandle.match(/^0x[0-9a-f]+$/), "nativeHandle should have a memory address format");

var iWin = document.getElementById("iframe_not_editable").contentWindow;
is(getBaseWindowInterface(iWin).nativeHandle, nativeHandle,
   "the nativeHandle of an iframe should be its parent's nativeHandle");

var dialog = win.openDialog("data:text/plain,this is an active window.", "_blank",
                            "chrome,dialog=yes,width=100,height=100");

isnot(getBaseWindowInterface(dialog).nativeHandle, "",
      "the nativeHandle of a dialog should not be empty");

dialog.close();

todo(false, "the nativeHandle of a window without a mainWidget should be empty"); // how to build a window without a mainWidget ?

SimpleTest.finish();
  ]]></script>
</window>