Cu.import("resource://testing-common/httpd.js"); Cu.import("resource://gre/modules/NetUtil.jsm"); var httpServer = null; function make_channel(url, callback, ctx) { return NetUtil.newChannel({uri: url, loadUsingSystemPrincipal: true}); } const responseBody = "response body"; function contentHandler(metadata, response) { response.setHeader("Content-Type", "text/plain"); response.bodyOutputStream.write(responseBody, responseBody.length); } function finish_test(request, buffer) { do_check_eq(buffer, responseBody); httpServer.stop(do_test_finished); } function run_test() { httpServer = new HttpServer(); httpServer.registerPathHandler("/content", contentHandler); httpServer.start(-1); var prefserv = Cc["@mozilla.org/preferences-service;1"]. getService(Ci.nsIPrefService); var prefs = prefserv.getBranch("network.proxy."); prefs.setIntPref("type", 2); prefs.setCharPref("autoconfig_url", "data:text/plain," + "function FindProxyForURL(url, host) {return 'PROXY localhost:" + httpServer.identity.primaryPort + "';}" ); var chan = make_channel("http://localhost:" + httpServer.identity.primaryPort + "/content"); chan.asyncOpen2(new ChannelListener(finish_test, null)); do_test_pending(); }