The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

    http://creativecommons.org/publicdomain/zero/1.0/ */

 function test() {

   waitForExplicitFinish();

   let AllTabs;

   let newTab = gBrowser.addTab();

   // TabPinned

   let pinned = function (event) {

     let tab = event.target;

     is(tab, newTab, "The tabs are the same after the tab is pinned");

     ok(tab.pinned, "The tab gets pinned");

     gBrowser.unpinTab(tab);

   };

   // TabUnpinned

   let unpinned = function (event) {

     let tab = event.target;

     AllTabs.unregister("pinned", pinned);

     AllTabs.unregister("unpinned", unpinned);

     is(tab, newTab, "The tabs are the same after the tab is unpinned");

     ok(!tab.pinned, "The tab gets unpinned");

     // clean up and finish

     gBrowser.removeTab(tab);

     hideTabView(finish);

   };

   showTabView(function () {

     AllTabs = TabView.getContentWindow().AllTabs;

     AllTabs.register("pinned", pinned);

     AllTabs.register("unpinned", unpinned);

     ok(!newTab.pinned, "The tab is not pinned");

     gBrowser.pinTab(newTab);

   });

 }