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 { Cu } = require('chrome');

 const self = require('sdk/self');

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

 exports.testContributors = function(assert, done) {

   AddonManager.getAddonByID(self.id, function(addon) {

     let count = 0;

     addon.contributors.forEach(function({ name }) {

       count++;

       assert.equal(name, count == 1 ? 'A' : 'B', 'The contributors keys are correct');

     });

     assert.equal(count, 2, 'The key count is correct');

     assert.equal(addon.contributors.length, 2, 'The key length is correct');

     done();

   });

 }

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