/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */ /* 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/. */ /** File Name: proto_2.js Section: Description: new PrototypeObject This tests Object Hierarchy and Inheritance, as described in the document Object Hierarchy and Inheritance in JavaScript, last modified on 12/18/97 15:19:34 on http://devedge.netscape.com/. Current URL: http://devedge.netscape.com/docs/manuals/communicator/jsobj/contents.htm This tests the syntax ObjectName.prototype = new PrototypeObject using the Employee example in the document referenced above. Author: christine@netscape.com Date: 12 november 1997 */ var SECTION = "proto_2"; var VERSION = "JS1_3"; var TITLE = "new PrototypeObject"; startTest(); writeHeaderToLog( SECTION + " "+ TITLE); function Employee () { this.name = ""; this.dept = "general"; } function Manager () { this.reports = []; } Manager.prototype = new Employee(); function WorkerBee () { this.projects = new Array(); } WorkerBee.prototype = new Employee; function SalesPerson () { this.dept = "sales"; this.quota = 100; } SalesPerson.prototype = new WorkerBee; function Engineer () { this.dept = "engineering"; this.machine = ""; } Engineer.prototype = new WorkerBee; var employee = new Employee(); var manager = new Manager(); var workerbee = new WorkerBee(); var salesperson = new SalesPerson(); var engineer = new Engineer(); new TestCase( SECTION, "employee.__proto__ == Employee.prototype", true, employee.__proto__ == Employee.prototype ); new TestCase( SECTION, "manager.__proto__ == Manager.prototype", true, manager.__proto__ == Manager.prototype ); new TestCase( SECTION, "workerbee.__proto__ == WorkerBee.prototype", true, workerbee.__proto__ == WorkerBee.prototype ); new TestCase( SECTION, "salesperson.__proto__ == SalesPerson.prototype", true, salesperson.__proto__ == SalesPerson.prototype ); new TestCase( SECTION, "engineer.__proto__ == Engineer.prototype", true, engineer.__proto__ == Engineer.prototype ); test();