/* The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Mozilla Communicator client code, released March * 31, 1998. * * The Initial Developer of the Original Code is Netscape Communications * Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * */ /** File Name: proto_7.js Section: Description: Adding Properties to the Prototype Object 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. This tests Author: christine@netscape.com Date: 12 november 1997 */ var SECTION = "proto_6"; var VERSION = "JS1_3"; var TITLE = "Adding properties to the Prototype Object"; startTest(); writeHeaderToLog( SECTION + " "+ TITLE); var testcases = new Array(); function Employee ( name, dept ) { this.name = name || ""; this.dept = dept || "general"; } function WorkerBee ( name, dept, projs ) { this.base = Employee; this.base( name, dept) this.projects = projs || new Array(); } WorkerBee.prototype = new Employee(); function Engineer ( name, projs, machine ) { this.base = WorkerBee; this.base( name, "engineering", projs ) this.machine = machine || ""; } // Engineer.prototype = new WorkerBee(); function test() { for ( tc=0; tc < testcases.length; tc++ ) { testcases[tc].passed = writeTestCaseResult( testcases[tc].expect, testcases[tc].actual, testcases[tc].description +" = "+ testcases[tc].actual ); testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; } stopTest(); return ( testcases ); } var pat = new Engineer( "Toonces, Pat", ["SpiderMonkey", "Rhino"], "indy" ); Employee.prototype.specialty = "none"; // Pat, the Engineer testcases[tc++] = new TestCase( SECTION, "pat.name", "Toonces, Pat", pat.name ); testcases[tc++] = new TestCase( SECTION, "pat.dept", "engineering", pat.dept ); testcases[tc++] = new TestCase( SECTION, "pat.projects.length", 2, pat.projects.length ); testcases[tc++] = new TestCase( SECTION, "pat.projects[0]", "SpiderMonkey", pat.projects[0] ); testcases[tc++] = new TestCase( SECTION, "pat.projects[1]", "Rhino", pat.projects[1] ); testcases[tc++] = new TestCase( SECTION, "pat.machine", "indy", pat.machine ); testcases[tc++] = new TestCase( SECTION, "pat.specialty", void 0, pat.specialty ); test();