tests/mozilla/js1_3/inherit/proto_2.js

   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@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