The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

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

  */

 function run_test() {

   print("Init the fake idle service and check its identity.");

   let fakeIdleService = Components.classes["@mozilla.org/widget/idleservice;1"].

                         getService(Components.interfaces.nsIIdleService);

   try {

     fakeIdleService.QueryInterface(Components.interfaces.nsIFactory);

   } catch (ex) {

     do_throw("The fake idle service implements nsIFactory.");

   }

   // We need at least one PASS, thus sanity check the idle time.

   do_check_eq(fakeIdleService.idleTime, 0);

   print("Init the real idle service and check its identity.");

   let realIdleService = do_get_idle();

   try {

     realIdleService.QueryInterface(Components.interfaces.nsIFactory);

     do_throw("The real idle service does not implement nsIFactory.");

   } catch (ex) {}

 }