/* -*- 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_1.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_1"; 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 jim = new Employee(); new TestCase( SECTION, "jim = new Employee(); jim.name", "", jim.name ); new TestCase( SECTION, "jim = new Employee(); jim.dept", "general", jim.dept ); var sally = new Manager(); new TestCase( SECTION, "sally = new Manager(); sally.name", "", sally.name ); new TestCase( SECTION, "sally = new Manager(); sally.dept", "general", sally.dept ); new TestCase( SECTION, "sally = new Manager(); sally.reports.length", 0, sally.reports.length ); new TestCase( SECTION, "sally = new Manager(); typeof sally.reports", "object", typeof sally.reports ); var fred = new SalesPerson(); new TestCase( SECTION, "fred = new SalesPerson(); fred.name", "", fred.name ); new TestCase( SECTION, "fred = new SalesPerson(); fred.dept", "sales", fred.dept ); new TestCase( SECTION, "fred = new SalesPerson(); fred.quota", 100, fred.quota ); new TestCase( SECTION, "fred = new SalesPerson(); fred.projects.length", 0, fred.projects.length ); var jane = new Engineer(); new TestCase( SECTION, "jane = new Engineer(); jane.name", "", jane.name ); new TestCase( SECTION, "jane = new Engineer(); jane.dept", "engineering", jane.dept ); new TestCase( SECTION, "jane = new Engineer(); jane.projects.length", 0, jane.projects.length ); new TestCase( SECTION, "jane = new Engineer(); jane.machine", "", jane.machine ); test();