michael@0: function run_test() {
michael@0:   do_test_pending();
michael@0: 
michael@0:   function StreamListener() {}
michael@0: 
michael@0:   StreamListener.prototype = {
michael@0:     QueryInterface: function(aIID) {
michael@0:       if (aIID.equals(Components.interfaces.nsIStreamListener) ||
michael@0:           aIID.equals(Components.interfaces.nsIRequestObserver) ||
michael@0:           aIID.equals(Components.interfaces.nsISupports))
michael@0:         return this;
michael@0:       throw Components.results.NS_NOINTERFACE;
michael@0:     },
michael@0: 
michael@0:     onStartRequest: function(aRequest, aContext) {},
michael@0: 
michael@0:     onStopRequest: function(aRequest, aContext, aStatusCode) {
michael@0:       // Make sure we can catch the error NS_ERROR_FILE_NOT_FOUND here.
michael@0:       do_check_eq(aStatusCode, Components.results.NS_ERROR_FILE_NOT_FOUND);
michael@0:       do_test_finished();
michael@0:     },
michael@0: 
michael@0:     onDataAvailable: function(aRequest, aContext, aStream, aOffset, aCount) {
michael@0:       do_throw("The channel must not call onDataAvailable().");
michael@0:     }
michael@0:   };
michael@0: 
michael@0:   let listener = new StreamListener();
michael@0:   let ios = Components.classes["@mozilla.org/network/io-service;1"]
michael@0:                       .getService(Components.interfaces.nsIIOService);
michael@0: 
michael@0:   // This file does not exist.
michael@0:   let file = do_get_file("_NOT_EXIST_.txt", true);
michael@0:   do_check_false(file.exists());
michael@0: 
michael@0:   let channel = ios.newChannelFromURI(ios.newFileURI(file));
michael@0:   channel.asyncOpen(listener, null);
michael@0: }