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      1 /* The contents of this file are subject to the Netscape Public
      2  * License Version 1.1 (the "License"); you may not use this file
      3  * except in compliance with the License. You may obtain a copy of
      4  * the License at http://www.mozilla.org/NPL/
      5  *
      6  * Software distributed under the License is distributed on an "AS
      7  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
      8  * implied. See the License for the specific language governing
      9  * rights and limitations under the License.
     10  *
     11  * The Original Code is Mozilla Communicator client code, released March
     12  * 31, 1998.
     13  *
     14  * The Initial Developer of the Original Code is Netscape Communications
     15  * Corporation. Portions created by Netscape are
     16  * Copyright (C) 1998 Netscape Communications Corporation. All
     17  * Rights Reserved.
     18  *
     19  * Contributor(s):
     20  *
     21  */
     22 /**
     23     File Name:          proto_2.js
     24     Section:
     25     Description:        new PrototypeObject
     26 
     27     This tests Object Hierarchy and Inheritance, as described in the document
     28     Object Hierarchy and Inheritance in JavaScript, last modified on 12/18/97
     29     15:19:34 on http://devedge.netscape.com/.  Current URL:
     30     http://devedge.netscape.com/docs/manuals/communicator/jsobj/contents.htm
     31 
     32     This tests the syntax ObjectName.prototype = new PrototypeObject using the
     33     Employee example in the document referenced above.
     34 
     35     Author:             christine (at) netscape.com
     36     Date:               12 november 1997
     37 */
     38 
     39     var SECTION = "proto_2";
     40     var VERSION = "JS1_3";
     41     var TITLE   = "new PrototypeObject";
     42 
     43     startTest();
     44     writeHeaderToLog( SECTION + " "+ TITLE);
     45 
     46     var testcases = new Array();
     47 
     48 function Employee () {
     49      this.name = "";
     50      this.dept = "general";
     51 }
     52 function Manager () {
     53      this.reports = [];
     54 }
     55 Manager.prototype = new Employee();
     56 
     57 function WorkerBee () {
     58      this.projects = new Array();
     59 }
     60 
     61 WorkerBee.prototype = new Employee;
     62 
     63 function SalesPerson () {
     64     this.dept = "sales";
     65     this.quota = 100;
     66 }
     67 SalesPerson.prototype = new WorkerBee;
     68 
     69 function Engineer () {
     70     this.dept = "engineering";
     71     this.machine = "";
     72 }
     73 Engineer.prototype = new WorkerBee;
     74 
     75 
     76 function test() {
     77     for ( tc=0; tc < testcases.length; tc++ ) {
     78         testcases[tc].passed = writeTestCaseResult(
     79                             testcases[tc].expect,
     80                             testcases[tc].actual,
     81                             testcases[tc].description +" = "+
     82                             testcases[tc].actual );
     83 
     84         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
     85     }
     86     stopTest();
     87     return ( testcases );
     88 }
     89 
     90     var employee    = new Employee();
     91     var manager     = new Manager();
     92     var workerbee   = new WorkerBee();
     93     var salesperson = new SalesPerson();
     94     var engineer    = new Engineer();
     95 
     96     testcases[tc++] = new TestCase( SECTION,
     97                                     "employee.__proto__ == Employee.prototype",
     98                                     true,
     99                                     employee.__proto__ == Employee.prototype );
    100 
    101     testcases[tc++] = new TestCase( SECTION,
    102                                     "manager.__proto__ == Manager.prototype",
    103                                     true,
    104                                     manager.__proto__ == Manager.prototype );
    105 
    106     testcases[tc++] = new TestCase( SECTION,
    107                                     "workerbee.__proto__ == WorkerBee.prototype",
    108                                     true,
    109                                     workerbee.__proto__ == WorkerBee.prototype );
    110 
    111     testcases[tc++] = new TestCase( SECTION,
    112                                     "salesperson.__proto__ == SalesPerson.prototype",
    113                                     true,
    114                                     salesperson.__proto__ == SalesPerson.prototype );
    115 
    116     testcases[tc++] = new TestCase( SECTION,
    117                                     "engineer.__proto__ == Engineer.prototype",
    118                                     true,
    119                                     engineer.__proto__ == Engineer.prototype );
    120 
    121     test();
    122 
    123