The Tor Browser: netwerk/test/unit/test_protocolproxyservice.js@a63d609f5ebe (annotated)

netwerk/test/unit/test_protocolproxyservice.js@a63d609f5ebe (annotated)

netwerk/test/unit/test_protocolproxyservice.js

Thu, 15 Jan 2015 15:55:04 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 15:55:04 +0100
branch: TOR_BUG_9701
changeset 9: a63d609f5ebe
permissions: -rw-r--r--

Back out 97036ab72558 which inappropriately compared turds to third parties.

 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim:set ts=2 sw=2 sts=2 et: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 // This testcase exercises the Protocol Proxy Service
 // These are the major sub tests:
 // run_filter_test();
 // run_filter_test2()
 // run_filter_test3()
 // run_pref_test();
 // run_pac_test();
 // run_pac_cancel_test();
 // run_proxy_host_filters_test();
 // run_myipaddress_test();
 // run_failed_script_test();
 // run_isresolvable_test();
 var ios = Components.classes["@mozilla.org/network/io-service;1"]
                     .getService(Components.interfaces.nsIIOService);
 var pps = Components.classes["@mozilla.org/network/protocol-proxy-service;1"]
                     .getService();
 var prefs = Components.classes["@mozilla.org/preferences-service;1"]
                      .getService(Components.interfaces.nsIPrefBranch);
 /**
  * Test nsIProtocolHandler that allows proxying, but doesn't allow HTTP
  * proxying.
  */
 function TestProtocolHandler() {
 }
 TestProtocolHandler.prototype = {
   QueryInterface: function(iid) {
     if (iid.equals(Components.interfaces.nsIProtocolHandler) ||
         iid.equals(Components.interfaces.nsISupports))
       return this;
     throw Components.results.NS_ERROR_NO_INTERFACE;
   },
   scheme: "moz-test",
   defaultPort: -1,
   protocolFlags: Components.interfaces.nsIProtocolHandler.URI_NOAUTH |
                  Components.interfaces.nsIProtocolHandler.URI_NORELATIVE |
                  Components.interfaces.nsIProtocolHandler.ALLOWS_PROXY |
                  Components.interfaces.nsIProtocolHandler.URI_DANGEROUS_TO_LOAD,
   newURI: function(spec, originCharset, baseURI) {
     var uri = Components.classes["@mozilla.org/network/simple-uri;1"]
                         .createInstance(Components.interfaces.nsIURI);
     uri.spec = spec;
     return uri;
   },
   newChannel: function(uri) {
     throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
   },
   allowPort: function(port, scheme) {
     return true;
   }
 };
 function TestProtocolHandlerFactory() {
 }
 TestProtocolHandlerFactory.prototype = {
   createInstance: function(delegate, iid) {
     return new TestProtocolHandler().QueryInterface(iid);
   },
   lockFactory: function(lock) {
   }
 };
 function register_test_protocol_handler() {
   var reg = Components.manager.QueryInterface(
       Components.interfaces.nsIComponentRegistrar);
   reg.registerFactory(Components.ID("{4ea7dd3a-8cae-499c-9f18-e1de773ca25b}"),
                       "TestProtocolHandler",
                       "@mozilla.org/network/protocol;1?name=moz-test",
                       new TestProtocolHandlerFactory());
 }
 function check_proxy(pi, type, host, port, flags, timeout, hasNext) {
   do_check_neq(pi, null);
   do_check_eq(pi.type, type);
   do_check_eq(pi.host, host);
   do_check_eq(pi.port, port);
   if (flags != -1)
     do_check_eq(pi.flags, flags);
   if (timeout != -1)
     do_check_eq(pi.failoverTimeout, timeout);
   if (hasNext)
     do_check_neq(pi.failoverProxy, null);
   else
     do_check_eq(pi.failoverProxy, null);
 }
 function TestFilter(type, host, port, flags, timeout) {
   this._type = type;
   this._host = host;
   this._port = port;
   this._flags = flags;
   this._timeout = timeout;
 }
 TestFilter.prototype = {
   _type: "",
   _host: "",
   _port: -1,
   _flags: 0,
   _timeout: 0,
   QueryInterface: function(iid) {
     if (iid.equals(Components.interfaces.nsIProtocolProxyFilter) ||
         iid.equals(Components.interfaces.nsISupports))
       return this;
     throw Components.results.NS_ERROR_NO_INTERFACE;
   },
   applyFilter: function(pps, uri, pi) {
     var pi_tail = pps.newProxyInfo(this._type, this._host, this._port,
                                    this._flags, this._timeout, null);
     if (pi)
       pi.failoverProxy = pi_tail;
     else
       pi = pi_tail;
     return pi;
   }
 };
 function BasicFilter() {}
 BasicFilter.prototype = {
   QueryInterface: function(iid) {
     if (iid.equals(Components.interfaces.nsIProtocolProxyFilter) ||
         iid.equals(Components.interfaces.nsISupports))
       return this;
     throw Components.results.NS_ERROR_NO_INTERFACE;
   },
   applyFilter: function(pps, uri, pi) {
     return pps.newProxyInfo("http", "localhost", 8080, 0, 10,
            pps.newProxyInfo("direct", "", -1, 0, 0, null));
   }
 };
 function resolveCallback() { }
 resolveCallback.prototype = {
   nextFunction: null,
   QueryInterface : function (iid) {
     const interfaces = [Components.interfaces.nsIProtocolProxyCallback,
                         Components.interfaces.nsISupports];
     if (!interfaces.some( function(v) { return iid.equals(v) } ))
       throw Components.results.NS_ERROR_NO_INTERFACE;
     return this;
   },
   onProxyAvailable : function (req, uri, pi, status) {
     this.nextFunction(pi);
   }
 };
 function run_filter_test() {
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   // Verify initial state
   var cb = new resolveCallback();
   cb.nextFunction = filter_test0_1;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 var filter01;
 var filter02;
 function filter_test0_1(pi) {
   do_check_eq(pi, null);
   // Push a filter and verify the results
   filter01 = new BasicFilter();
   filter02 = new BasicFilter();
   pps.registerFilter(filter01, 10);
   pps.registerFilter(filter02, 20);
   var cb = new resolveCallback();
   cb.nextFunction = filter_test0_2;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function filter_test0_2(pi)
 {
   check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
   check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
   pps.unregisterFilter(filter02);
   var cb = new resolveCallback();
   cb.nextFunction = filter_test0_3;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function filter_test0_3(pi)
 {
   check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
   check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
   // Remove filter and verify that we return to the initial state
   pps.unregisterFilter(filter01);
   var cb = new resolveCallback();
   cb.nextFunction = filter_test0_4;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function filter_test0_4(pi)
 {
   do_check_eq(pi, null);
   run_filter_test2();
 }
 var filter11;
 var filter12;
 function run_filter_test2() {
   // Push a filter and verify the results
   filter11 = new TestFilter("http", "foo", 8080, 0, 10);
   filter12 = new TestFilter("http", "bar", 8090, 0, 10);
   pps.registerFilter(filter11, 20);
   pps.registerFilter(filter12, 10);
   var cb = new resolveCallback();
   cb.nextFunction = filter_test1_1;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function filter_test1_1(pi) {
   check_proxy(pi, "http", "bar", 8090, 0, 10, true);
   check_proxy(pi.failoverProxy, "http", "foo", 8080, 0, 10, false);
   pps.unregisterFilter(filter12);
   var cb = new resolveCallback();
   cb.nextFunction = filter_test1_2;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function filter_test1_2(pi) {
   check_proxy(pi, "http", "foo", 8080, 0, 10, false);
   // Remove filter and verify that we return to the initial state
   pps.unregisterFilter(filter11);
   var cb = new resolveCallback();
   cb.nextFunction = filter_test1_3;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function filter_test1_3(pi) {
   do_check_eq(pi, null);
   run_filter_test3();
 }
 var filter_3_1;
 function run_filter_test3() {
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   // Push a filter and verify the results asynchronously
   filter_3_1 = new TestFilter("http", "foo", 8080, 0, 10);
   pps.registerFilter(filter_3_1, 20);
   var cb = new resolveCallback();
   cb.nextFunction = filter_test3_1;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function filter_test3_1(pi) {
   check_proxy(pi, "http", "foo", 8080, 0, 10, false);
   pps.unregisterFilter(filter_3_1);
   run_pref_test();
 }
 function run_pref_test() {
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   // Verify 'direct' setting
   prefs.setIntPref("network.proxy.type", 0);
   var cb = new resolveCallback();
   cb.nextFunction = pref_test1_1;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function pref_test1_1(pi)
 {
   do_check_eq(pi, null);
   // Verify 'manual' setting
   prefs.setIntPref("network.proxy.type", 1);
   var cb = new resolveCallback();
   cb.nextFunction = pref_test1_2;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function pref_test1_2(pi)
 {
   // nothing yet configured
   do_check_eq(pi, null);
   // try HTTP configuration
   prefs.setCharPref("network.proxy.http", "foopy");
   prefs.setIntPref("network.proxy.http_port", 8080);
   var cb = new resolveCallback();
   cb.nextFunction = pref_test1_3;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function pref_test1_3(pi)
 {
   check_proxy(pi, "http", "foopy", 8080, 0, -1, false);
   prefs.setCharPref("network.proxy.http", "");
   prefs.setIntPref("network.proxy.http_port", 0);
   // try SOCKS configuration
   prefs.setCharPref("network.proxy.socks", "barbar");
   prefs.setIntPref("network.proxy.socks_port", 1203);
   var cb = new resolveCallback();
   cb.nextFunction = pref_test1_4;
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function pref_test1_4(pi)
 {
   check_proxy(pi, "socks", "barbar", 1203, 0, -1, false);
   run_pac_test();
 }
 function run_protocol_handler_test() {
   var uri = ios.newURI("moz-test:foopy", null, null);
   var cb = new resolveCallback();
   cb.nextFunction = protocol_handler_test_1;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function protocol_handler_test_1(pi)
 {
   do_check_eq(pi, null);
   prefs.setCharPref("network.proxy.autoconfig_url", "");
   prefs.setIntPref("network.proxy.type", 0);
   run_pac_cancel_test();
 }
 function TestResolveCallback() {
 }
 TestResolveCallback.prototype = {
   QueryInterface:
   function TestResolveCallback_QueryInterface(iid) {
     if (iid.equals(Components.interfaces.nsIProtocolProxyCallback) ||
         iid.equals(Components.interfaces.nsISupports))
       return this;
     throw Components.results.NS_ERROR_NO_INTERFACE;
   },
   onProxyAvailable:
   function TestResolveCallback_onProxyAvailable(req, uri, pi, status) {
     dump("*** uri=" + uri.spec + ", status=" + status + "\n");
     do_check_neq(req, null);
     do_check_neq(uri, null);
     do_check_eq(status, 0);
     do_check_neq(pi, null);
     check_proxy(pi, "http", "foopy", 8080, 0, -1, true);
     check_proxy(pi.failoverProxy, "direct", "", -1, -1, -1, false);
     run_protocol_handler_test();
   }
 };
 function run_pac_test() {
   var pac = 'data:text/plain,' +
             'function FindProxyForURL(url, host) {' +
             '  return "PROXY foopy:8080; DIRECT";' +
             '}';
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   // Configure PAC
   prefs.setIntPref("network.proxy.type", 2);
   prefs.setCharPref("network.proxy.autoconfig_url", pac);
   var req = pps.asyncResolve(uri, 0, new TestResolveCallback());
 }
 function TestResolveCancelationCallback() {
 }
 TestResolveCancelationCallback.prototype = {
   QueryInterface:
   function TestResolveCallback_QueryInterface(iid) {
     if (iid.equals(Components.interfaces.nsIProtocolProxyCallback) ||
         iid.equals(Components.interfaces.nsISupports))
       return this;
     throw Components.results.NS_ERROR_NO_INTERFACE;
   },
   onProxyAvailable:
   function TestResolveCancelationCallback_onProxyAvailable(req, uri, pi, status) {
     dump("*** uri=" + uri.spec + ", status=" + status + "\n");
     do_check_neq(req, null);
     do_check_neq(uri, null);
     do_check_eq(status, Components.results.NS_ERROR_ABORT);
     do_check_eq(pi, null);
     prefs.setCharPref("network.proxy.autoconfig_url", "");
     prefs.setIntPref("network.proxy.type", 0);
     run_proxy_host_filters_test();
   }
 };
 function run_pac_cancel_test() {
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   // Configure PAC
   var pac = 'data:text/plain,' +
             'function FindProxyForURL(url, host) {' +
             '  return "PROXY foopy:8080; DIRECT";' +
             '}';
   prefs.setIntPref("network.proxy.type", 2);
   prefs.setCharPref("network.proxy.autoconfig_url", pac);
   var req = pps.asyncResolve(uri, 0, new TestResolveCancelationCallback());
   req.cancel(Components.results.NS_ERROR_ABORT);
 }
 var hostList;
 var hostIDX;
 var bShouldBeFiltered;
 var hostNextFX;
 function check_host_filters(hl, shouldBe, nextFX) {
   hostList = hl;
   hostIDX = 0;
   bShouldBeFiltered = shouldBe;
   hostNextFX = nextFX;
   if (hostList.length > hostIDX)
     check_host_filter(hostIDX);
 }
 function check_host_filters_cb()
 {
   hostIDX++;
   if (hostList.length > hostIDX)
     check_host_filter(hostIDX);
   else
     hostNextFX();
 }
 function check_host_filter(i) {
   var uri;
   dump("*** uri=" + hostList[i] + " bShouldBeFiltered=" + bShouldBeFiltered + "\n");
   uri = ios.newURI(hostList[i], null, null);
   var cb = new resolveCallback();
   cb.nextFunction = host_filter_cb;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function host_filter_cb(proxy)
 {
   if (bShouldBeFiltered) {
     do_check_eq(proxy, null);
   } else {
     do_check_neq(proxy, null);
     // Just to be sure, let's check that the proxy is correct
     // - this should match the proxy setup in the calling function
     check_proxy(proxy, "http", "foopy", 8080, 0, -1, false);
   }
   check_host_filters_cb();
 }
 // Verify that hists in the host filter list are not proxied
 // refers to "network.proxy.no_proxies_on"
 var uriStrUseProxyList;
 var uriStrUseProxyList;
 var hostFilterList;
 function run_proxy_host_filters_test() {
   // Get prefs object from DOM
   // Setup a basic HTTP proxy configuration
   // - pps.resolve() needs this to return proxy info for non-filtered hosts
   prefs.setIntPref("network.proxy.type", 1);
   prefs.setCharPref("network.proxy.http", "foopy");
   prefs.setIntPref("network.proxy.http_port", 8080);
   // Setup host filter list string for "no_proxies_on"
   hostFilterList = "www.mozilla.org, www.google.com, www.apple.com, "
                        + ".domain, .domain2.org"
   prefs.setCharPref("network.proxy.no_proxies_on", hostFilterList);
   do_check_eq(prefs.getCharPref("network.proxy.no_proxies_on"), hostFilterList);
   var rv;
   // Check the hosts that should be filtered out
   uriStrFilterList = [ "http://www.mozilla.org/",
                            "http://www.google.com/",
                            "http://www.apple.com/",
                            "http://somehost.domain/",
                            "http://someotherhost.domain/",
                            "http://somehost.domain2.org/",
                            "http://somehost.subdomain.domain2.org/" ];
   check_host_filters(uriStrFilterList, true, host_filters_1);
 }
 function host_filters_1()
 {
   // Check the hosts that should be proxied
   uriStrUseProxyList = [ "http://www.mozilla.com/",
                              "http://mail.google.com/",
                              "http://somehost.domain.co.uk/",
                              "http://somelocalhost/" ];
   check_host_filters(uriStrUseProxyList, false, host_filters_2);
 }
 function host_filters_2()
 {
   // Set no_proxies_on to include local hosts
   prefs.setCharPref("network.proxy.no_proxies_on", hostFilterList + ", <local>");
   do_check_eq(prefs.getCharPref("network.proxy.no_proxies_on"),
               hostFilterList + ", <local>");
   // Amend lists - move local domain to filtered list
   uriStrFilterList.push(uriStrUseProxyList.pop());
   check_host_filters(uriStrFilterList, true, host_filters_3);
 }
 function host_filters_3()
 {
   check_host_filters(uriStrUseProxyList, false, host_filters_4);
 }
 function host_filters_4()
 {
   // Cleanup
   prefs.setCharPref("network.proxy.no_proxies_on", "");
   do_check_eq(prefs.getCharPref("network.proxy.no_proxies_on"), "");
   run_myipaddress_test();
 }
 function run_myipaddress_test()
 {
   // This test makes sure myIpAddress() comes up with some valid
   // IP address other than localhost. The DUT must be configured with
   // an Internet route for this to work - though no Internet traffic
   // should be created.
   var pac = 'data:text/plain,' +
             'function FindProxyForURL(url, host) {' +
             ' return "PROXY " + myIpAddress() + ":1234";' +
             '}';
   // no traffic to this IP is ever sent, it is just a public IP that
   // does not require DNS to determine a route.
   var uri = ios.newURI("http://192.0.43.10/", null, null);
   prefs.setIntPref("network.proxy.type", 2);
   prefs.setCharPref("network.proxy.autoconfig_url", pac);
   var cb = new resolveCallback();
   cb.nextFunction = myipaddress_callback;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function myipaddress_callback(pi)
 {
   do_check_neq(pi, null);
   do_check_eq(pi.type, "http");
   do_check_eq(pi.port, 1234);
   // make sure we didn't return localhost
   do_check_neq(pi.host, null);
   do_check_neq(pi.host, "127.0.0.1");
   do_check_neq(pi.host, "::1");
   run_myipaddress_test_2();
 }
 function run_myipaddress_test_2()
 {
   // test that myIPAddress() can be used outside of the scope of
   // FindProxyForURL(). bug 829646.
   var pac = 'data:text/plain,' +
             'var myaddr = myIpAddress(); ' +
             'function FindProxyForURL(url, host) {' +
             ' return "PROXY " + myaddr + ":5678";' +
             '}';
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   prefs.setIntPref("network.proxy.type", 2);
   prefs.setCharPref("network.proxy.autoconfig_url", pac);
   var cb = new resolveCallback();
   cb.nextFunction = myipaddress2_callback;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function myipaddress2_callback(pi)
 {
   do_check_neq(pi, null);
   do_check_eq(pi.type, "http");
   do_check_eq(pi.port, 5678);
   // make sure we didn't return localhost
   do_check_neq(pi.host, null);
   do_check_neq(pi.host, "127.0.0.1");
   do_check_neq(pi.host, "::1");
   run_failed_script_test();
 }
 function run_failed_script_test()
 {
   // test to make sure we go direct with invalid PAC
   var pac = 'data:text/plain,' +
             '\nfor(;\n';
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   prefs.setIntPref("network.proxy.type", 2);
   prefs.setCharPref("network.proxy.autoconfig_url", pac);
   var cb = new resolveCallback();
   cb.nextFunction = failed_script_callback;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 var directFilter;
 function failed_script_callback(pi)
 {
   // we should go direct
   do_check_eq(pi, null);
   // test that we honor filters when configured to go direct
   prefs.setIntPref("network.proxy.type", 0);
   directFilter = new TestFilter("http", "127.0.0.1", 7246, 0, 0);
   pps.registerFilter(directFilter, 10);
   // test that on-modify-request contains the proxy info too
   var obs = Components.classes["@mozilla.org/observer-service;1"].getService();
   obs = obs.QueryInterface(Components.interfaces.nsIObserverService);
   obs.addObserver(directFilterListener, "http-on-modify-request", false);
   var chan = ios.newChannel("http://127.0.0.1:7247", "", null);
   chan.asyncOpen(directFilterListener, chan);
 }
 var directFilterListener = {
   onModifyRequestCalled : false,
   onStartRequest: function test_onStart(request, ctx) {  },
   onDataAvailable: function test_OnData() { },
   onStopRequest: function test_onStop(request, ctx, status) {
     // check on the PI from the channel itself
     ctx.QueryInterface(Components.interfaces.nsIProxiedChannel);
     check_proxy(ctx.proxyInfo, "http", "127.0.0.1", 7246, 0, 0, false);
     pps.unregisterFilter(directFilter);
     // check on the PI from on-modify-request
     do_check_true(this.onModifyRequestCalled);
     var obs = Components.classes["@mozilla.org/observer-service;1"].getService();
     obs = obs.QueryInterface(Components.interfaces.nsIObserverService);
     obs.removeObserver(this, "http-on-modify-request");
     run_isresolvable_test();
   },
    observe: function(subject, topic, data) {
      if (topic === "http-on-modify-request" &&
          subject instanceof Components.interfaces.nsIHttpChannel &&
          subject instanceof Components.interfaces.nsIProxiedChannel) {
        check_proxy(subject.proxyInfo, "http", "127.0.0.1", 7246, 0, 0, false);
        this.onModifyRequestCalled = true;
      }
    }
 };
 function run_isresolvable_test()
 {
   // test a non resolvable host in the pac file
   var pac = 'data:text/plain,' +
             'function FindProxyForURL(url, host) {' +
             ' if (isResolvable("nonexistant.lan"))' +
             '   return "DIRECT";' +
             ' return "PROXY 127.0.0.1:1234";' +
             '}';
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   prefs.setIntPref("network.proxy.type", 2);
   prefs.setCharPref("network.proxy.autoconfig_url", pac);
   var cb = new resolveCallback();
   cb.nextFunction = isresolvable_callback;
   var req = pps.asyncResolve(uri, 0, cb);
 }
 function isresolvable_callback(pi)
 {
   do_check_neq(pi, null);
   do_check_eq(pi.type, "http");
   do_check_eq(pi.port, 1234);
   do_check_eq(pi.host, "127.0.0.1");
   prefs.setIntPref("network.proxy.type", 0);
   do_test_finished();
 }
 function run_deprecated_sync_test()
 {
   var uri = ios.newURI("http://www.mozilla.org/", null, null);
   pps.QueryInterface(Components.interfaces.nsIProtocolProxyService2);
   // Verify initial state
   var pi = pps.deprecatedBlockingResolve(uri, 0);
   do_check_eq(pi, null);
   // Push a filter and verify the results
   var filter1 = new BasicFilter();
   var filter2 = new BasicFilter();
   pps.registerFilter(filter1, 10);
   pps.registerFilter(filter2, 20);
   pi = pps.deprecatedBlockingResolve(uri, 0);
   check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
   check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
   pps.unregisterFilter(filter2);
   pi = pps.deprecatedBlockingResolve(uri, 0);
   check_proxy(pi, "http", "localhost", 8080, 0, 10, true);
   check_proxy(pi.failoverProxy, "direct", "", -1, 0, 0, false);
   // Remove filter and verify that we return to the initial state
   pps.unregisterFilter(filter1);
   pi = pps.deprecatedBlockingResolve(uri, 0);
   do_check_eq(pi, null);
 }
 function run_test() {
   register_test_protocol_handler();
   // any synchronous tests
   run_deprecated_sync_test();
   // start of asynchronous test chain
   run_filter_test();
   do_test_pending();
 }