The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

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

 function test() {

   let win, contentWindow, originalTab, newTab1, newTab2;

   let partOne = function () {

     let groupItem = contentWindow.GroupItems.groupItems[0];

     let tabItems = groupItem.getChildren();

     is(tabItems.length, 2, "There are two tab items in that group item");

     is(tabItems[0].tab, originalTab, "The first tab item is linked to the first tab");

     is(tabItems[1].tab, newTab2, "The second tab item is linked to the second tab");

     hideTabView(partTwo, win);

   };

   let partTwo = function () {

     win.gBrowser.unpinTab(newTab1);

     showTabView(partThree, win);

   };

   let partThree = function () {

     let tabItems = contentWindow.GroupItems.groupItems[0].getChildren();

     is(tabItems.length, 3, "There are three tab items in that group item");

     is(tabItems[0].tab, win.gBrowser.tabs[0], "The first tab item is linked to the first tab");

     is(tabItems[1].tab, win.gBrowser.tabs[1], "The second tab item is linked to the second tab");

     is(tabItems[2].tab, win.gBrowser.tabs[2], "The third tab item is linked to the third tab");

     finish();

   };

   let onLoad = function (tvwin) {

     win = tvwin;

     registerCleanupFunction(function () win.close());

     for (let i = 0; i < 2; i++)

       win.gBrowser.loadOneTab("about:blank", {inBackground: true});

     [originalTab, newTab1, newTab2] = win.gBrowser.tabs;

     win.gBrowser.pinTab(newTab1);

   };

   let onShow = function () {

     contentWindow = win.TabView.getContentWindow();

     is(contentWindow.GroupItems.groupItems.length, 1, "There is only one group item");

     partOne();

   };

   waitForExplicitFinish();

   newWindowWithTabView(onShow, onLoad);

 }