The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

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

 function test() {

   waitForExplicitFinish();

   showTabView(function () {

     let tab = gBrowser.addTab();

     registerCleanupFunction(function () gBrowser.removeTab(tab));

     let cw = TabView.getContentWindow();

     whenAppTabIconAdded(cw.GroupItems.groupItems[0], function() {

       let body = cw.document.body;

       let [appTabIcon] = cw.iQ(".appTabTray .appTabIcon");

       EventUtils.synthesizeMouseAtCenter(appTabIcon, {type: "mousedown"}, cw);

       EventUtils.synthesizeMouse(body, 500, 100, {type: "mousemove"}, cw);

       EventUtils.synthesizeMouse(body, 500, 100, {type: "mouseup"}, cw);

       ok(TabView.isVisible(), "tabview is still visible");

       hideTabView(finish);

     });

     gBrowser.pinTab(tab);

   });

 }