The Tor Browser / file revision

 /* vim: set ts=2 et sw=2 tw=80: */

 /* Any copyright is dedicated to the Public Domain.

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

 "use strict";

 function test() {

   waitForExplicitFinish();

   setup((ed, win) => {

     ok(ed.isClean(), "default isClean");

     ok(!ed.canUndo(), "default canUndo");

     ok(!ed.canRedo(), "default canRedo");

     ed.setText("Hello, World!");

     ok(!ed.isClean(), "isClean");

     ok(ed.canUndo(), "canUndo");

     ok(!ed.canRedo(), "canRedo");

     ed.undo();

     ok(ed.isClean(), "isClean after undo");

     ok(!ed.canUndo(), "canUndo after undo");

     ok(ed.canRedo(), "canRedo after undo");

     ed.setText("What's up?");

     ed.setClean();

     ok(ed.isClean(), "isClean after setClean");

     ok(ed.canUndo(), "canUndo after setClean");

     ok(!ed.canRedo(), "canRedo after setClean");

     teardown(ed, win);

   });

 }