gecko/browser/components/privatebrowsing/test/unit/do_test_privatebrowsing_autostart.js

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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Private Browsing Tests.
 *
 * The Initial Developer of the Original Code is
 * Ehsan Akhgari.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Ehsan Akhgari <ehsan.akhgari@gmail.com> (Original Author)
 *
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
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// This test checks the browser.privatebrowsing.autostart preference.

function do_test() {
  // initialization
  var prefsService = Cc["@mozilla.org/preferences-service;1"].
                     getService(Ci.nsIPrefBranch);
  prefsService.setBoolPref("browser.privatebrowsing.autostart", true);
  do_check_true(prefsService.getBoolPref("browser.privatebrowsing.autostart"));

  var pb = Cc[PRIVATEBROWSING_CONTRACT_ID].
           getService(Ci.nsIPrivateBrowsingService).
           QueryInterface(Ci.nsIObserver);

  // private browsing not auto-started yet
  do_check_false(pb.autoStarted);

  // simulate startup to make the PB service read the prefs
  pb.observe(null, "profile-after-change", "");

  // the private mode should be entered automatically
  do_check_true(pb.privateBrowsingEnabled);

  // private browsing is auto-started
  do_check_true(pb.autoStarted);

  // leave private browsing mode
  pb.privateBrowsingEnabled = false;

  // private browsing not auto-started
  do_check_false(pb.autoStarted);

  // enter private browsing mode again
  pb.privateBrowsingEnabled = true;

  // private browsing is auto-started
  do_check_true(pb.autoStarted);
}