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/. */

 const Cc = Components.classes;

 const Ci = Components.interfaces;

 Components.utils.import("resource://gre/modules/Services.jsm");

 const manifest = do_get_file('bug725015.manifest');

 const contract = "@bug725015.test.contract";

 const observerTopic = "xpcom-category-entry-added";

 const category = "bug725015-test-category";

 const entry = "bug725015-category-entry";

 const cid = Components.ID("{05070380-6e6e-42ba-aaa5-3289fc55ca5a}");

 function observe_category(subj, topic, data) {

   try {

     do_check_eq(topic, observerTopic);

     if (data != category)

       return;

     var thisentry = subj.QueryInterface(Ci.nsISupportsCString).data;

     do_check_eq(thisentry, entry);

     do_check_eq(Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager).getCategoryEntry(category, entry), contract);

     do_check_true(Cc[contract].equals(cid));

   }

   catch (e) {

     do_throw(e);

   }

   do_test_finished();

 }

 function run_test() {

   do_test_pending();

   Services.obs.addObserver(observe_category, observerTopic, false);

   Components.manager.QueryInterface(Ci.nsIComponentRegistrar).autoRegister(manifest);

 }