The Tor Browser / file revision

 Cu.import("resource://testing-common/httpd.js");

 var httpserver = new HttpServer();

 var index = 0;

 var tests = [

     // Initial request. Cached variant will have no cookie

     { url : "/bug468426", server : "0", expected : "0", cookie: null},

     // Cache now contains a variant with no value for cookie. If we don't

     // set cookie we expect to receive the cached variant

     { url : "/bug468426", server : "1", expected : "0", cookie: null},

     // Cache still contains a variant with no value for cookie. If we

     // set a value for cookie we expect a fresh value

     { url : "/bug468426", server : "2", expected : "2", cookie: "c=2"},

     // Cache now contains a variant with cookie "c=2". If the request

     // also set cookie "c=2", we expect to receive the cached variant.

     { url : "/bug468426", server : "3", expected : "2", cookie: "c=2"},

     // Cache still contains a variant with cookie "c=2". When setting

     // cookie "c=4" in the request we expect a fresh value

     { url : "/bug468426", server : "4", expected : "4", cookie: "c=4"},

     // Cache now contains a variant with cookie "c=4". When setting

     // cookie "c=4" in the request we expect the cached variant

     { url : "/bug468426", server : "5", expected : "4", cookie: "c=4"},

     // Cache still contains a variant with cookie "c=4". When setting

     // no cookie in the request we expect a fresh value

     { url : "/bug468426", server : "6", expected : "6", cookie: null},

 ];

 function setupChannel(suffix, value, cookie) {

     var ios = Components.classes["@mozilla.org/network/io-service;1"]

             .getService(Ci.nsIIOService);

     var chan = ios.newChannel("http://localhost:" +

                              httpserver.identity.primaryPort + suffix, "", null);

     var httpChan = chan.QueryInterface(Components.interfaces.nsIHttpChannel);

     httpChan.requestMethod = "GET";

     httpChan.setRequestHeader("x-request", value, false);

     if (cookie != null)

         httpChan.setRequestHeader("Cookie", cookie, false);

     return httpChan;

 }

 function triggerNextTest() {

     var channel = setupChannel(tests[index].url, tests[index].server, tests[index].cookie);

     channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null), null);

 }

 function checkValueAndTrigger(request, data, ctx) {

     do_check_eq(tests[index].expected, data);

     if (index < tests.length - 1) {

         index++;

         // This call happens in onStopRequest from the channel. Opening a new

         // channel to the same url here is no good idea!  Post it instead...

         do_timeout(1, triggerNextTest);

     } else {

         httpserver.stop(do_test_finished);

     }

 }

 function run_test() {

     httpserver.registerPathHandler("/bug468426", handler);

     httpserver.start(-1);

     // Clear cache and trigger the first test

     evict_cache_entries();

     triggerNextTest();

     do_test_pending();

 }

 function handler(metadata, response) {

     var body = "unset";

     try {

         body = metadata.getHeader("x-request");

     } catch(e) { }

     response.setStatusLine(metadata.httpVersion, 200, "Ok");

     response.setHeader("Content-Type", "text/plain", false);

     response.setHeader("Last-Modified", getDateString(-1), false);

     response.setHeader("Vary", "Cookie", false);

     response.bodyOutputStream.write(body, body.length);

 }

 function getDateString(yearDelta) {

     var months = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',

             'Sep', 'Oct', 'Nov', 'Dec' ];

     var days = [ 'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat' ];

     var d = new Date();

     return days[d.getUTCDay()] + ", " + d.getUTCDate() + " "

             + months[d.getUTCMonth()] + " " + (d.getUTCFullYear() + yearDelta)

             + " " + d.getUTCHours() + ":" + d.getUTCMinutes() + ":"

             + d.getUTCSeconds() + " UTC";

 }