js/tests/js1_3/inherit/proto_3.js

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  38
  39 gTestfile = 'proto_3.js';
  40
  41 /**
  42    File Name:          proto_3.js
  43    Section:
  44    Description:        Adding properties to an instance
  45
  46    This tests Object Hierarchy and Inheritance, as described in the document
  47    Object Hierarchy and Inheritance in JavaScript, last modified on 12/18/97
  48    15:19:34 on http://devedge.netscape.com/.  Current URL:
  49    http://devedge.netscape.com/docs/manuals/communicator/jsobj/contents.htm
  50
  51    This tests the syntax ObjectName.prototype = new PrototypeObject using the
  52    Employee example in the document referenced above.
  53
  54    Author:             christine@netscape.com
  55    Date:               12 november 1997
  56 */
  57
  58 var SECTION = "proto_3";
  59 var VERSION = "JS1_3";
  60 var TITLE   = "Adding properties to an Instance";
  61
  62 startTest();
  63 writeHeaderToLog( SECTION + " "+ TITLE);
  64
  65 function Employee () {
  66   this.name = "";
  67   this.dept = "general";
  68 }
  69 function Manager () {
  70   this.reports = [];
  71 }
  72 Manager.prototype = new Employee();
  73
  74 function WorkerBee () {
  75   this.projects = new Array();
  76 }
  77
  78 WorkerBee.prototype = new Employee();
  79
  80 function SalesPerson () {
  81   this.dept = "sales";
  82   this.quota = 100;
  83 }
  84 SalesPerson.prototype = new WorkerBee();
  85
  86 function Engineer () {
  87   this.dept = "engineering";
  88   this.machine = "";
  89 }
  90 Engineer.prototype = new WorkerBee();
  91
  92 var jim = new Employee();
  93 var pat = new Employee();
  94
  95 jim.bonus = 300;
  96
  97 new TestCase( SECTION,
  98               "jim = new Employee(); jim.bonus = 300; jim.bonus",
  99               300,
 100               jim.bonus );
 101
 102
 103 new TestCase( SECTION,
 104               "pat = new Employee(); pat.bonus",
 105               void 0,
 106               pat.bonus );
 107 test();