The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/publicdomain/zero/1.0/

  */

 // Bug 679604 - Test that a XUL persisted category from an older version of

 // Firefox doesn't break the add-ons manager when that category doesn't exist

 const PREF_UI_LASTCATEGORY = "extensions.ui.lastCategory";

 var gManagerWindow;

 function test() {

   waitForExplicitFinish();

   open_manager(null, function(aWindow) {

     var categories = aWindow.document.getElementById("categories");

     categories.setAttribute("last-selected", "foo");

     aWindow.document.persist("categories", "last-selected");

     close_manager(aWindow, function() {

       Services.prefs.clearUserPref(PREF_UI_LASTCATEGORY);

       open_manager(null, function(aWindow) {

         is(new CategoryUtilities(aWindow).selectedCategory, "discover",

            "Should have loaded the right view");

         close_manager(aWindow, finish);

       });

     });

   });

 }