Cu.import("resource://testing-common/httpd.js"); Cu.import("resource://gre/modules/NetUtil.jsm"); var server; const BUGID = "331825"; function TestListener() { } TestListener.prototype.onStartRequest = function(request, context) { } TestListener.prototype.onStopRequest = function(request, context, status) { var channel = request.QueryInterface(Components.interfaces.nsIHttpChannel); do_check_eq(channel.responseStatus, 304); server.stop(do_test_finished); } function run_test() { // start server server = new HttpServer(); server.registerPathHandler("/bug" + BUGID, bug331825); server.start(-1); // make request var channel = NetUtil.newChannel({ uri: "http://localhost:" + server.identity.primaryPort + "/bug" + BUGID, loadUsingSystemPrincipal: true }); channel.QueryInterface(Components.interfaces.nsIHttpChannel); channel.setRequestHeader("If-None-Match", "foobar", false); channel.asyncOpen2(new TestListener()); do_test_pending(); } // PATH HANDLER FOR /bug331825 function bug331825(metadata, response) { response.setStatusLine(metadata.httpVersion, 304, "Not Modified"); }