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 dm = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);

 function run_test()

 {

   if (oldDownloadManagerDisabled()) {

     return;

   }

   let server = new HttpServer();

   server.start(-1);

   let dl = addDownload(server);

   do_test_pending();

   do_print(dl.guid);

   do_check_true(/^[a-zA-Z0-9\-_]{12}$/.test(dl.guid));

   dm.getDownloadByGUID(dl.guid, function(status, result) {

     do_check_eq(dl, result, "should get back some download as requested");

     dl.cancel();

     dm.getDownloadByGUID("nonexistent", function(status, result) {

       do_check_eq(result, null, "should get back no download");

       do_check_eq(Components.results.NS_ERROR_NOT_AVAILABLE, status,

                   "should pass NS_ERROR_NOT_AVAILABLE on failure");

       do_test_finished();

     });

   });

 }