Cu.import("resource://testing-common/httpd.js"); Cu.import("resource://gre/modules/NetUtil.jsm"); var httpserv; function TestListener() { } TestListener.prototype.onStartRequest = function(request, context) { } TestListener.prototype.onStopRequest = function(request, context, status) { httpserv.stop(do_test_finished); } function run_test() { httpserv = new HttpServer(); httpserv.registerPathHandler("/bug412945", bug412945); httpserv.start(-1); // make request var channel = NetUtil.newChannel({ uri: "http://localhost:" + httpserv.identity.primaryPort + "/bug412945", loadUsingSystemPrincipal: true }); channel.QueryInterface(Components.interfaces.nsIHttpChannel); channel.requestMethod = "POST"; channel.asyncOpen2(new TestListener(), null); do_test_pending(); } function bug412945(metadata, response) { if (!metadata.hasHeader("Content-Length") || metadata.getHeader("Content-Length") != "0") { do_throw("Content-Length header not found!"); } }