tests/mozilla/ecma_2/Expressions/instanceof-004-n.js

   1 /**
   2  *  File Name:          instanceof-001.js
   3  *  ECMA Section:       11.8.6
   4  *  Description:
   5  *
   6  *  RelationalExpression instanceof Identifier
   7  *
   8  *  Author:             christine@netscape.com
   9  *  Date:               2 September 1998
  10  */
  11     var SECTION = "instanceof-001";
  12     var VERSION = "ECMA_2";
  13     var TITLE   = "instanceof"
  14
  15     startTest();
  16     writeHeaderToLog( SECTION + " "+ TITLE);
  17
  18     var tc = 0;
  19     var testcases = new Array();
  20
  21     function InstanceOf( object_1, object_2, expect ) {
  22         result = object_1 instanceof object_2;
  23
  24         testcases[tc++] = new TestCase(
  25             SECTION,
  26             "(" + object_1 + ") instanceof " + object_2,
  27             expect,
  28             result );
  29     }
  30
  31     function Gen3(value) {
  32         this.value = value;
  33         this.generation = 3;
  34         this.toString = new Function ( "return \"(Gen\"+this.generation+\" instance)\"" );
  35     }
  36     Gen3.name = 3;
  37     Gen3.__proto__.toString = new Function( "return \"(\"+this.name+\" object)\"");
  38
  39     function Gen2(value) {
  40         this.value = value;
  41         this.generation = 2;
  42     }
  43     Gen2.name = 2;
  44     Gen2.prototype = new Gen3();
  45
  46     function Gen1(value) {
  47         this.value = value;
  48         this.generation = 1;
  49     }
  50     Gen1.name = 1;
  51     Gen1.prototype = new Gen2();
  52
  53     function Gen0(value) {
  54         this.value = value;
  55         this.generation = 0;
  56     }
  57     Gen0.name = 0;
  58     Gen0.prototype = new Gen1();
  59
  60
  61     function GenA(value) {
  62         this.value = value;
  63         this.generation = "A";
  64         this.toString = new Function ( "return \"(instance of Gen\"+this.generation+\")\"" );
  65
  66     }
  67     GenA.prototype = new Gen0();
  68     GenA.name = "A";
  69
  70     function GenB(value) {
  71         this.value = value;
  72         this.generation = "B";
  73         this.toString = new Function ( "return \"(instance of Gen\"+this.generation+\")\"" );
  74     }
  75     GenB.name = "B"
  76     GenB.prototype = void 0;
  77
  78     // RelationalExpression is not an object.
  79
  80     InstanceOf( true, Boolean, false );
  81     InstanceOf( new Boolean(false), Boolean, true );
  82
  83     // Identifier is not a function
  84
  85     InstanceOf( new Boolean(true), false, false );
  86
  87     // Identifier is a function, prototype of Identifier is not an object
  88
  89 //    InstanceOf( new GenB(), GenB, false );
  90
  91
  92     test();