The Tor Browser / file revision

 /* Any copyright is dedicated to the Public Domain.

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

  */

 function test () {

   waitForExplicitFinish();

   window.maximize();

   // Find where the nav-bar is vertically.

   var navBar = document.getElementById("nav-bar");

   var boundingRect = navBar.getBoundingClientRect();

   var yPixel = boundingRect.top + Math.floor(boundingRect.height / 2);

   var xPixel = boundingRect.width - 1; // Use the last pixel of the screen since it is maximized.

   function onPopupHidden() {

     PanelUI.panel.removeEventListener("popuphidden", onPopupHidden);

     window.restore();

     finish();

   }

   function onPopupShown() {

     PanelUI.panel.removeEventListener("popupshown", onPopupShown);

     ok(true, "Clicking at the far edge of the window opened the menu popup.");

     PanelUI.panel.addEventListener("popuphidden", onPopupHidden);

     PanelUI.hide();

   }

   registerCleanupFunction(function() {

     PanelUI.panel.removeEventListener("popupshown", onPopupShown);

     PanelUI.panel.removeEventListener("popuphidden", onPopupHidden);

   });

   PanelUI.panel.addEventListener("popupshown", onPopupShown);

   EventUtils.synthesizeMouseAtPoint(xPixel, yPixel, {}, window);

 }