The Tor Browser / file revision

 // This is essentially a debug mode crashtest to make sure everything

 // involved in a reload runs on the right thread. It relies on the

 // assertions in necko.

 var listener = {

   onStartRequest: function test_onStartR(request, ctx) {

   },

   onDataAvailable: function test_ODA() {

     do_throw("Should not get any data!");

   },

   onStopRequest: function test_onStopR(request, ctx, status) {

     do_test_finished();

   },

 };

 function run_test() {

   var ios = Cc["@mozilla.org/network/io-service;1"].

                        getService(Ci.nsIIOService);

   var chan = ios.newChannel("http://localhost:4444", "", null);

   chan.loadFlags = Ci.nsIRequest.LOAD_FRESH_CONNECTION |

 	           Ci.nsIChannel.LOAD_INITIAL_DOCUMENT_URI;

   chan.QueryInterface(Ci.nsIHttpChannel);

   chan.asyncOpen(listener, null);

   do_test_pending();

 }