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';

 Object.defineProperty(this, 'global', { value: this });

 exports.testGlobals = function(assert) {

   // the only globals in module scope should be:

   //   module, exports, require, dump, console

   assert.equal(typeof module, 'object', 'have "module", good');

   assert.equal(typeof exports, 'object', 'have "exports", good');

   assert.equal(typeof require, 'function', 'have "require", good');

   assert.equal(typeof dump, 'function', 'have "dump", good');

   assert.equal(typeof console, 'object', 'have "console", good');

   // in particular, these old globals should no longer be present

   assert.ok(!('packaging' in global), "no 'packaging', good");

   assert.ok(!('memory' in global), "no 'memory', good");

   assert.ok(/test-globals\.js$/.test(module.uri),

      'should contain filename');

 };

 exports.testComponent = function (assert) {

   assert.throws(() => {

     Components;

   }, /`Components` is not available/, 'using `Components` throws');

 };

 require('test').run(exports);