js/tests/js1_3/inherit/proto_8.js

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  38
  39 gTestfile = 'proto_8.js';
  40
  41 /**
  42    File Name:          proto_8.js
  43    Section:
  44    Description:        Adding Properties to the Prototype Object
  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_8";
  59 var VERSION = "JS1_3";
  60 var TITLE   = "Adding Properties to the Prototype Object";
  61
  62 startTest();
  63 writeHeaderToLog( SECTION + " "+ TITLE);
  64
  65 function Employee ( name, dept ) {
  66   this.name = name || "";
  67   this.dept = dept || "general";
  68 }
  69 function WorkerBee ( name, dept, projs ) {
  70   this.base = Employee;
  71   this.base( name, dept)
  72     this.projects = projs || new Array();
  73 }
  74 WorkerBee.prototype = new Employee();
  75
  76 function Engineer ( name, projs, machine ) {
  77   this.base = WorkerBee;
  78   this.base( name, "engineering", projs )
  79     this.machine = machine || "";
  80 }
  81 Engineer.prototype = new WorkerBee();
  82
  83 var pat = new Engineer( "Toonces, Pat",
  84                         ["SpiderMonkey", "Rhino"],
  85                         "indy" );
  86
  87 Employee.prototype.specialty = "none";
  88
  89
  90 // Pat, the Engineer
  91
  92 new TestCase( SECTION,
  93               "pat.name",
  94               "Toonces, Pat",
  95               pat.name );
  96
  97 new TestCase( SECTION,
  98               "pat.dept",
  99               "engineering",
 100               pat.dept );
 101
 102 new TestCase( SECTION,
 103               "pat.projects.length",
 104               2,
 105               pat.projects.length );
 106
 107 new TestCase( SECTION,
 108               "pat.projects[0]",
 109               "SpiderMonkey",
 110               pat.projects[0] );
 111
 112 new TestCase( SECTION,
 113               "pat.projects[1]",
 114               "Rhino",
 115               pat.projects[1] );
 116
 117 new TestCase( SECTION,
 118               "pat.machine",
 119               "indy",
 120               pat.machine );
 121
 122 new TestCase( SECTION,
 123               "pat.specialty",
 124               "none",
 125               pat.specialty );
 126
 127 test();