Home | History | Annotate | Download | only in inherit 
      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_12.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     No Multiple Inheritance
     33 
     34     Author:             christine (at) netscape.com
     35     Date:               12 november 1997
     36 */
     37 
     38     var SECTION = "proto_12";
     39     var VERSION = "JS1_3";
     40     var TITLE   = "No Multiple Inheritance";
     41 
     42     startTest();
     43     writeHeaderToLog( SECTION + " "+ TITLE);
     44 
     45     var testcases = new Array();
     46 
     47 function Employee ( name, dept ) {
     48      this.name = name || "";
     49      this.dept = dept || "general";
     50      this.id = idCounter++;
     51 }
     52 function Manager () {
     53      this.reports = [];
     54 }
     55 Manager.prototype = new Employee();
     56 
     57 function WorkerBee ( name, dept, projs ) {
     58     this.base = Employee;
     59     this.base( name, dept)
     60     this.projects = projs || new Array();
     61 }
     62 WorkerBee.prototype = new Employee();
     63 
     64 function SalesPerson () {
     65     this.dept = "sales";
     66     this.quota = 100;
     67 }
     68 SalesPerson.prototype = new WorkerBee();
     69 
     70 function Hobbyist( hobby ) {
     71     this.hobby = hobby || "yodeling";
     72 }
     73 
     74 function Engineer ( name, projs, machine, hobby ) {
     75     this.base1 = WorkerBee;
     76     this.base1( name, "engineering", projs )
     77 
     78     this.base2 = Hobbyist;
     79     this.base2( hobby );
     80 
     81     this.projects = projs || new Array();
     82     this.machine = machine || "";
     83 }
     84 Engineer.prototype = new WorkerBee();
     85 
     86 function test() {
     87     for ( tc=0; tc < testcases.length; tc++ ) {
     88         testcases[tc].passed = writeTestCaseResult(
     89                             testcases[tc].expect,
     90                             testcases[tc].actual,
     91                             testcases[tc].description +" = "+
     92                             testcases[tc].actual );
     93 
     94         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
     95     }
     96     stopTest();
     97     return ( testcases );
     98 }
     99     var idCounter = 1;
    100 
    101     var les = new Engineer( "Morris, Les",  new Array("JavaScript"), "indy" );
    102 
    103     Hobbyist.prototype.equipment = [ "horn", "mountain", "goat" ];
    104 
    105     testcases[tc++] = new TestCase( SECTION,
    106                                     "les.name",
    107                                     "Morris, Les",
    108                                     les.name );
    109 
    110     testcases[tc++] = new TestCase( SECTION,
    111                                     "les.dept",
    112                                     "engineering",
    113                                     les.dept );
    114 
    115     Array.prototype.getClass = Object.prototype.toString;
    116 
    117     testcases[tc++] = new TestCase( SECTION,
    118                                     "les.projects.getClass()",
    119                                     "[object Array]",
    120                                     les.projects.getClass() );
    121 
    122     testcases[tc++] = new TestCase( SECTION,
    123                                     "les.projects[0]",
    124                                     "JavaScript",
    125                                     les.projects[0] );
    126 
    127     testcases[tc++] = new TestCase( SECTION,
    128                                     "les.machine",
    129                                     "indy",
    130                                     les.machine );
    131 
    132     testcases[tc++] = new TestCase( SECTION,
    133                                     "les.hobby",
    134                                     "yodeling",
    135                                     les.hobby );
    136 
    137     testcases[tc++] = new TestCase( SECTION,
    138                                     "les.equpment",
    139                                     void 0,
    140                                     les.equipment );
    141 
    142     test();
    143