The Tor Browser / file revision

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 'use strict';

 const { id, preferencesBranch } = require('sdk/self');

 const simple = require('sdk/simple-prefs');

 const service = require('sdk/preferences/service');

 const { AddonManager } = require('chrome').Cu.import('resource://gre/modules/AddonManager.jsm');

 exports.testPreferencesBranch = function(assert) {

   assert.equal(preferencesBranch, 'human-readable', 'preferencesBranch is human-readable');

   assert.equal(simple.prefs.test42, true, 'test42 is true');

   simple.prefs.test43 = 'movie';

   assert.equal(service.get('extensions.human-readable.test43'), 'movie', 'test43 is a movie');

 }

 // from `/test/test-self.js`, adapted to `sdk/test/assert` API

 exports.testSelfID = function(assert, done) {

   assert.equal(typeof(id), 'string', 'self.id is a string');

   assert.ok(id.length > 0, 'self.id not empty');

   AddonManager.getAddonByID(id, function(addon) {

     assert.ok(addon, 'found addon with self.id');

     done();

   });

 }

 require('sdk/test/runner').runTestsFromModule(module);