The Tor Browser / file revision

 <?xml version="1.0"?>

 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>

 <window id="293235Test"

         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"

         width="600"

         height="600"

         onload="setTimeout(nextTest,0);"

         title="bug 293235 test">

   <script type="text/javascript"

           src="chrome://mochikit/content/tests/SimpleTest/specialpowersAPI.js"/>

   <script type="text/javascript"

           src="chrome://mochikit/content/tests/SimpleTest/SpecialPowersObserverAPI.js"/>

   <script type="text/javascript"

           src="chrome://mochikit/content/tests/SimpleTest/ChromePowers.js"/>

   <script type="application/javascript" src= "chrome://mochikit/content/chrome-harness.js" />

   <script type="application/javascript" src="docshell_helpers.js" />

   <script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/WindowSnapshot.js"></script>

   <script type="application/javascript"><![CDATA[

     var Ci = Components.interfaces;

     var Cc = Components.classes;

     Components.utils.import("resource://gre/modules/NetUtil.jsm");

     // Define the generator-iterator for the tests.

     var tests = testIterator();

     ////

     // Execute the next test in the generator function.

     //

     function nextTest() {

       tests.next();

     }

     // Return the Element object for the specified element id

     function $(id) { return TestWindow.getDocument().getElementById(id); }

     ////

     // Generator function for test steps for bug 293235:

     // A visited link should have the :visited style applied

     // to it when displayed on a page which was fetched from

     // the bfcache.

     //

     function testIterator()

     {

       // Register our observer to know when the link lookup is complete.

       let testURI = NetUtil.newURI(getHttpUrl("bug293235_p2.html"));

       let os = Cc["@mozilla.org/observer-service;1"].

                getService(Ci.nsIObserverService);

       const URI_VISITED_RESOLUTION_TOPIC = "visited-status-resolution";

       let observer = {

         notified: false,

         observe: function(aSubject, aTopic, aData)

         {

           if (!testURI.equals(aSubject.QueryInterface(Ci.nsIURI))) {

             return;

           }

           is(aTopic, URI_VISITED_RESOLUTION_TOPIC, "Unexpected topic");

           this.notified = true;

           // Cleanup after ourselves...

           os.removeObserver(this, URI_VISITED_RESOLUTION_TOPIC);

         },

       };

       os.addObserver(observer, URI_VISITED_RESOLUTION_TOPIC, false);

       function notified() observer.notified;

       // Load a test page containing a link that should be initially

       // blue, per the :link style.

       doPageNavigation({

         uri: getHttpUrl("bug293235.html"),

         onNavComplete: nextTest

       });

       yield undefined;

       // Before we go any further, make sure our link has been notified.

       waitForTrue(notified, nextTest);

       yield undefined;

       // Now that we've been notified, we can check our link color.

       // Since we can't use getComputedStyle() for this because

       // getComputedStyle lies about styles that result from :visited,

       // we have to take snapshots.

       // First, take two reference snapshots.

       var link1 = $("link1");

       link1.className = "forcelink";

       var refLink = snapshotWindow(TestWindow.getWindow());

       link1.className = "forcevisited";

       var refVisited = snapshotWindow(TestWindow.getWindow());

       link1.className = "";

       function snapshotsEqual(snap1, snap2) {

         return compareSnapshots(snap1, snap2, true)[0];

       }

       ok(!snapshotsEqual(refLink, refVisited), "references should not match");

       ok(snapshotsEqual(refLink, snapshotWindow(TestWindow.getWindow())),

          "link should initially be blue");

       let observedVisit = false, observedPageShow = false;

       function maybeRunNextTest() {

         ok(true, "maybe run next test? visited: " + observedVisit + " pageShow: " + observedPageShow);

         if (observedVisit && observedPageShow)

           nextTest();

       }

       // Because adding visits is async, we will not be notified imemdiately.

       let visitObserver = {

         observe: function(aSubject, aTopic, aData)

         {

           if (!testURI.equals(aSubject.QueryInterface(Ci.nsIURI))) {

             return;

           }

           os.removeObserver(this, aTopic);

           observedVisit = true;

           maybeRunNextTest();

         },

       };

       os.addObserver(visitObserver, "uri-visit-saved", false);

       // Load the page that the link on the previous page points to.

       doPageNavigation({

         uri: getHttpUrl("bug293235_p2.html"),

         onNavComplete: function() {

           observedPageShow = true;

           maybeRunNextTest();

         }

       });

       yield undefined;

       // And the nodes get notified after the "link-visited" topic, so

       // we need to execute soon...

       SimpleTest.executeSoon(nextTest);

       yield undefined;

       // Go back, verify the original page was loaded from the bfcache,

       // and verify that the link is now purple, per the

       // :visited style.

       doPageNavigation({

         back: true,

         eventsToListenFor: ["pageshow"],

         expectedEvents: [ { type: "pageshow",

                             persisted: true,

                             title: "Bug 293235 page1" } ],

         onNavComplete: nextTest

       });

       yield undefined;

       // Now we can test the link color.

       ok(snapshotsEqual(refVisited, snapshotWindow(TestWindow.getWindow())),

          "visited link should be purple");

       // Tell the framework the test is finished.  Include the final 'yield'

       // statement to prevent a StopIteration exception from being thrown.

       finish();

       yield undefined;

     }

   ]]></script>

   <browser type="content-primary" flex="1" id="content" src="about:blank"/>

 </window>