gecko/browser/base/content/test/tabview/browser_tabview_bug587043.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

function test() {
  waitForExplicitFinish();

  window.addEventListener("tabviewshown", onTabViewWindowLoaded, false);
  TabView.toggle();
}

function onTabViewWindowLoaded() {
  window.removeEventListener("tabviewshown", onTabViewWindowLoaded, false);

  ok(TabView.isVisible(), "Tab View is visible");

  let onTabViewHidden = function() {
    window.removeEventListener("tabviewhidden", onTabViewHidden, false);
    ok(!TabView.isVisible(), "Tab View is hidden");

    finish();
  };
  window.addEventListener("tabviewhidden", onTabViewHidden, false);
  document.getElementById("cmd_closeWindow").doCommand();
}