The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 function test() {

   let uriString = "http://example.com/";

   let cookieBehavior = "network.cookie.cookieBehavior";

   let uriObj = Services.io.newURI(uriString, null, null)

   let cp = Components.classes["@mozilla.org/cookie/permission;1"]

                      .getService(Components.interfaces.nsICookiePermission);

   Services.prefs.setIntPref(cookieBehavior, 2);

   cp.setAccess(uriObj, cp.ACCESS_ALLOW);

   gBrowser.selectedTab = gBrowser.addTab(uriString);

   waitForExplicitFinish();

   gBrowser.selectedBrowser.addEventListener("load", onTabLoaded, true);

   function onTabLoaded() {

     is(gBrowser.selectedBrowser.contentWindow.navigator.cookieEnabled, true,

        "navigator.cookieEnabled should be true");

     // Clean up

     gBrowser.selectedBrowser.removeEventListener("load", onTabLoaded, true);

     gBrowser.removeTab(gBrowser.selectedTab);

     Services.prefs.setIntPref(cookieBehavior, 0);

     cp.setAccess(uriObj, cp.ACCESS_DEFAULT);

     finish();

   }

 }