The Tor Browser: docshell/test/chrome/bug449780

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 href="chrome://global/skin" type="text/css"?>

     3 <window title="Mozilla Bug 449780" onload="doTheTest()"

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

     6   <hbox id="parent">

     7   </hbox>

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

    10   <script type="application/javascript"><![CDATA[

    11     var imports = [ "SimpleTest", "is", "isnot", "ok", "onerror" ];

    12     for each (var name in imports) {

    13       window[name] = window.opener.wrappedJSObject[name];

    14     }

    16     function $(id) {

    17       return document.getElementById(id);

    18     }

    20     function addBrowser(parent, id, width, height) {

    21       var b =

    22         document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "browser");

    23       b.setAttribute("type", "content");

    24       b.setAttribute("id", id);

    25       b.setAttribute("width", width);

    26       b.setAttribute("height", height);

    27       $(parent).appendChild(b);

    28     }

    29     addBrowser("parent", "f1", 300, 200);

    30     addBrowser("parent", "f2", 300, 200);

    32     /** Test for Bug 449780 **/

    33     var doc1 = "data:text/html,<html><body>This is a test</body></html>";

    34     var doc2 = "data:text/html,<html><body>This is a second test</body></html>";

    36     function getDOM(id) {

    37       return $(id).contentDocument.documentElement.innerHTML;

    38     }

    40     var tester = (function() {

    41       var origDOM = getDOM("f1");

    42       $("f1").contentDocument.body.textContent = "Modified";

    43       var modifiedDOM = getDOM("f1");

    44       isnot(origDOM, modifiedDOM, "DOM should be different");

    45       $("f1").contentWindow.location.href = doc2;

    46       yield undefined;

    48       $("f1").goBack();

    49       yield undefined;

    51       is(getDOM("f1"), modifiedDOM, "Should have been bfcached");

    52       $("f1").goForward();

    53       yield undefined;

    55       // Ignore the notifications during swap

    56       $("f1").removeEventListener("pageshow", testDriver, false);

    57       $("f1").swapDocShells($("f2"));

    58       $("f2").addEventListener("pageshow", testDriver, false);

    59       $("f2").goBack();

    60       yield undefined;

    62       is(getDOM("f2"), origDOM, "Should have not have been bfcached");

    63       window.close();

    64       SimpleTest.finish();

    65       yield undefined;

    66     })();

    68     function testDriver() {

    69       setTimeout(function() { tester.next() }, 0);

    70     }

    72     function doTheTest() {

    73       $("f1").addEventListener("pageshow", testDriver, false);

    74       $("f1").setAttribute("src", doc1);

    75     }

    76   ]]></script>

    77 </window>

The Tor Browser / file revision