js/tests/js1_5/extensions/getset-005.js

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  38
  39 /*
  40  * Date: 14 April 2001
  41  *
  42  * SUMMARY: Testing  obj.__defineSetter__(), obj.__defineGetter__()
  43  * Note: this is a non-ECMA language extension
  44  *
  45  * This test is the same as getset-004.js, except that here we
  46  * store the getter/setter functions in global variables.
  47  */
  48 //-----------------------------------------------------------------------------
  49 var gTestfile = 'getset-005.js';
  50 var UBound = 0;
  51 var BUGNUMBER = '(none)';
  52 var summary = 'Testing  obj.__defineSetter__(), obj.__defineGetter__()';
  53 var statprefix = 'Status: ';
  54 var status = '';
  55 var statusitems = [ ];
  56 var actual = '';
  57 var actualvalues = [ ];
  58 var expect= '';
  59 var expectedvalues = [ ];
  60 var cnName = 'name';
  61 var cnDEFAULT = 'default name';
  62 var cnFRED = 'Fred';
  63 var obj = {};
  64 var obj2 = {};
  65 var s = '';
  66
  67
  68 // The getter/setter functions we'll use in all three sections below -
  69 var cnNameSetter = function(newValue) {this._name=newValue; this.nameSETS++;};
  70 var cnNameGetter = function() {this.nameGETS++; return this._name;};
  71
  72
  73 // SECTION1: define getter/setter directly on an object (not its prototype)
  74 obj = new Object();
  75 obj.nameSETS = 0;
  76 obj.nameGETS = 0;
  77 obj.__defineSetter__(cnName, cnNameSetter);
  78 obj.__defineGetter__(cnName, cnNameGetter);
  79
  80 status = 'In SECTION1 of test after 0 sets, 0 gets';
  81 actual = [obj.nameSETS,obj.nameGETS];
  82 expect = [0,0];
  83 addThis();
  84
  85 s = obj.name;
  86 status = 'In SECTION1 of test after 0 sets, 1 get';
  87 actual = [obj.nameSETS,obj.nameGETS];
  88 expect = [0,1];
  89 addThis();
  90
  91 obj.name = cnFRED;
  92 status = 'In SECTION1 of test after 1 set, 1 get';
  93 actual = [obj.nameSETS,obj.nameGETS];
  94 expect = [1,1];
  95 addThis();
  96
  97 obj.name = obj.name;
  98 status = 'In SECTION1 of test after 2 sets, 2 gets';
  99 actual = [obj.nameSETS,obj.nameGETS];
 100 expect = [2,2];
 101 addThis();
 102
 103
 104 // SECTION2: define getter/setter in Object.prototype
 105 Object.prototype.nameSETS = 0;
 106 Object.prototype.nameGETS = 0;
 107 Object.prototype.__defineSetter__(cnName, cnNameSetter);
 108 Object.prototype.__defineGetter__(cnName, cnNameGetter);
 109
 110 obj = new Object();
 111 status = 'In SECTION2 of test after 0 sets, 0 gets';
 112 actual = [obj.nameSETS,obj.nameGETS];
 113 expect = [0,0];
 114 addThis();
 115
 116 s = obj.name;
 117 status = 'In SECTION2 of test after 0 sets, 1 get';
 118 actual = [obj.nameSETS,obj.nameGETS];
 119 expect = [0,1];
 120 addThis();
 121
 122 obj.name = cnFRED;
 123 status = 'In SECTION2 of test after 1 set, 1 get';
 124 actual = [obj.nameSETS,obj.nameGETS];
 125 expect = [1,1];
 126 addThis();
 127
 128 obj.name = obj.name;
 129 status = 'In SECTION2 of test after 2 sets, 2 gets';
 130 actual = [obj.nameSETS,obj.nameGETS];
 131 expect = [2,2];
 132 addThis();
 133
 134
 135 // SECTION 3: define getter/setter in prototype of user-defined constructor
 136 function TestObject()
 137 {
 138 }
 139 TestObject.prototype.nameSETS = 0;
 140 TestObject.prototype.nameGETS = 0;
 141 TestObject.prototype.__defineSetter__(cnName, cnNameSetter);
 142 TestObject.prototype.__defineGetter__(cnName, cnNameGetter);
 143 TestObject.prototype.name = cnDEFAULT;
 144
 145 obj = new TestObject();
 146 status = 'In SECTION3 of test after 1 set, 0 gets'; // (we set a default value in the prototype)
 147 actual = [obj.nameSETS,obj.nameGETS];
 148 expect = [1,0];
 149 addThis();
 150
 151 s = obj.name;
 152 status = 'In SECTION3 of test after 1 set, 1 get';
 153 actual = [obj.nameSETS,obj.nameGETS];
 154 expect = [1,1];
 155 addThis();
 156
 157 obj.name = cnFRED;
 158 status = 'In SECTION3 of test after 2 sets, 1 get';
 159 actual = [obj.nameSETS,obj.nameGETS];
 160 expect = [2,1];
 161 addThis();
 162
 163 obj.name = obj.name;
 164 status = 'In SECTION3 of test after 3 sets, 2 gets';
 165 actual = [obj.nameSETS,obj.nameGETS];
 166 expect = [3,2];
 167 addThis();
 168
 169 obj2 = new TestObject();
 170 status = 'obj2 = new TestObject() after 1 set, 0 gets';
 171 actual = [obj2.nameSETS,obj2.nameGETS];
 172 expect = [1,0]; // we set a default value in the prototype -
 173 addThis();
 174
 175 // Use both obj and obj2  -
 176 obj2.name = obj.name +  obj2.name;
 177 status = 'obj2 = new TestObject() after 2 sets, 1 get';
 178 actual = [obj2.nameSETS,obj2.nameGETS];
 179 expect = [2,1];
 180 addThis();
 181
 182 status = 'In SECTION3 of test after 3 sets, 3 gets';
 183 actual = [obj.nameSETS,obj.nameGETS];
 184 expect = [3,3];  // we left off at [3,2] above -
 185 addThis();
 186
 187
 188 //---------------------------------------------------------------------------------
 189 test();
 190 //---------------------------------------------------------------------------------
 191
 192
 193 function addThis()
 194 {
 195   statusitems[UBound] = status;
 196   actualvalues[UBound] = actual.toString();
 197   expectedvalues[UBound] = expect.toString();
 198   UBound++;
 199 }
 200
 201
 202 function test()
 203 {
 204   enterFunc ('test');
 205   printBugNumber(BUGNUMBER);
 206   printStatus (summary);
 207
 208   for (var i = 0; i < UBound; i++)
 209   {
 210     reportCompare(expectedvalues[i], actualvalues[i], getStatus(i));
 211   }
 212
 213   exitFunc ('test');
 214 }
 215
 216
 217 function getStatus(i)
 218 {
 219   return statprefix + statusitems[i];
 220 }