toolkit/components/contentprefs/tests/unit_cps2/test_service.js


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/* 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 run_test() {
  let serv = Cc["@mozilla.org/content-pref/service;1"].
             getService(Ci.nsIContentPrefService2);
  do_check_eq(serv.QueryInterface(Ci.nsIContentPrefService2), serv);
  do_check_eq(serv.QueryInterface(Ci.nsISupports), serv);
  let val = serv.QueryInterface(Ci.nsIContentPrefService);
  do_check_true(val instanceof Ci.nsIContentPrefService);
}