The Tor Browser: dom/tests/mochitest/chrome/test_docshell

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <?xml version="1.0"?>

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

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

     4 <window title="Docshell swap test"

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

     6   <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

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

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

    11   </body>

    13   <!-- test code goes here -->

    14   <script type="application/javascript">

    15   <![CDATA[

    17   SimpleTest.waitForExplicitFinish();

    19   // Create two identical windows, each with a <browser> element.

    20   let win1 = window.openDialog("window_docshell_swap.xul", "_blank","chrome,width=300,height=200");

    21   let win2 = window.openDialog("window_docshell_swap.xul", "_blank","chrome,width=300,height=200");

    23   let loadCount = 0;

    24   function loadHandler() {

    25     loadCount++;

    26     if (loadCount < 2)

    27       return;

    29     let browser1 = win1.document.getElementById("browser");

    30     let browser2 = win2.document.getElementById("browser");

    32     let flo1 = browser1.QueryInterface(Components.interfaces.nsIFrameLoaderOwner);

    33     let flo2 = browser2.QueryInterface(Components.interfaces.nsIFrameLoaderOwner);

    35     let pongCount = 0;

    37     function gotPong(target_ok) {

    38       pongCount++;

    39       ok(target_ok, "message went to correct target");

    40       if (pongCount == 1) {

    41         win1.close();

    42         win2.close();

    43         SimpleTest.finish();

    44       }

    45     }

    47     let mm1 = flo1.frameLoader.messageManager;

    48     let mm2 = flo2.frameLoader.messageManager;

    49     mm1.addMessageListener("pong", () => { gotPong(true); });

    50     mm2.addMessageListener("pong", () => { gotPong(false); });

    52     // Swap docshells. Everything should be identical to before, since there was nothing to

    53     // distinguish these docshells.

    54     flo1.swapFrameLoaders(flo2);

    56     // mm1 shouldn't change here, but we update it in case it does due to a bug.

    57     mm1 = flo1.frameLoader.messageManager;

    59     // Load ping-pong code into first window.

    60     mm1.loadFrameScript("data:,addMessageListener('ping', () => sendAsyncMessage('pong'));", false);

    62     // A pong message received in win1 means success.

    63     win1.messageManager.addMessageListener("pong", () => { gotPong(true); });

    65     // A pong message received in win2 means failure!

    66     win2.messageManager.addMessageListener("pong", () => { gotPong(false); });

    68     // Send the ping to win1.

    69     mm1.sendAsyncMessage("ping");

    70   }

    72   win1.addEventListener("load", loadHandler, false);

    73   win2.addEventListener("load", loadHandler, false);

    74   ]]>

    75   </script>

    76 </window>

The Tor Browser / file revision