tests/mozilla/js1_5/GetSet/getset-005.js

   1 /*
   2 * The contents of this file are subject to the Netscape Public
   3 * License Version 1.1 (the "License"); you may not use this file
   4 * except in compliance with the License. You may obtain a copy of
   5 * the License at http://www.mozilla.org/NPL/
   6 *
   7 * Software distributed under the License is distributed on an "AS IS"
   8 * basis, WITHOUT WARRANTY OF ANY KIND, either expressed
   9 * or implied. See the License for the specific language governing
  10 * rights and limitations under the License.
  11 *
  12 * The Original Code is mozilla.org code.
  13 *
  14 * The Initial Developer of the Original Code is Netscape
  15 * Communications Corporation.  Portions created by Netscape are
  16 * Copyright (C) 1998 Netscape Communications Corporation. All
  17 * Rights Reserved.
  18 *
  19 * Contributor(s): pschwartau@netscape.com
  20 * Date: 14 April 2001
  21 *
  22 * SUMMARY: Testing  obj.__defineSetter__(), obj.__defineGetter__()
  23 * Note: this is a non-ECMA language extension
  24 *
  25 * This test is the same as getset-004.js, except that here we
  26 * store the getter/setter functions in global variables.
  27 */
  28 //-------------------------------------------------------------------------------------------------
  29 var UBound = 0;
  30 var bug = '(none)';
  31 var summary = 'Testing  obj.__defineSetter__(), obj.__defineGetter__()';
  32 var statprefix = 'Status: ';
  33 var status = '';
  34 var statusitems = [ ];
  35 var actual = '';
  36 var actualvalues = [ ];
  37 var expect= '';
  38 var expectedvalues = [ ];
  39 var cnName = 'name';
  40 var cnDEFAULT = 'default name';
  41 var cnFRED = 'Fred';
  42 var obj = {};
  43 var obj2 = {};
  44 var s = '';
  45
  46
  47 // The getter/setter functions we'll use in all three sections below -
  48 var cnNameSetter = function(newValue) {this._name=newValue; this.nameSETS++;};
  49 var cnNameGetter = function() {this.nameGETS++; return this._name;};
  50
  51
  52 // SECTION1: define getter/setter directly on an object (not its prototype)
  53 obj = new Object();
  54 obj.nameSETS = 0;
  55 obj.nameGETS = 0;
  56 obj.__defineSetter__(cnName, cnNameSetter);
  57 obj.__defineGetter__(cnName, cnNameGetter);
  58
  59 status = 'In SECTION1 of test after 0 sets, 0 gets';
  60 actual = [obj.nameSETS,obj.nameGETS];
  61 expect = [0,0];
  62 addThis();
  63
  64 s = obj.name;
  65 status = 'In SECTION1 of test after 0 sets, 1 get';
  66 actual = [obj.nameSETS,obj.nameGETS];
  67 expect = [0,1];
  68 addThis();
  69
  70 obj.name = cnFRED;
  71 status = 'In SECTION1 of test after 1 set, 1 get';
  72 actual = [obj.nameSETS,obj.nameGETS];
  73 expect = [1,1];
  74 addThis();
  75
  76 obj.name = obj.name;
  77 status = 'In SECTION1 of test after 2 sets, 2 gets';
  78 actual = [obj.nameSETS,obj.nameGETS];
  79 expect = [2,2];
  80 addThis();
  81
  82
  83 // SECTION2: define getter/setter in Object.prototype
  84 Object.prototype.nameSETS = 0;
  85 Object.prototype.nameGETS = 0;
  86 Object.prototype.__defineSetter__(cnName, cnNameSetter);
  87 Object.prototype.__defineGetter__(cnName, cnNameGetter);
  88
  89 obj = new Object();
  90 status = 'In SECTION2 of test after 0 sets, 0 gets';
  91 actual = [obj.nameSETS,obj.nameGETS];
  92 expect = [0,0];
  93 addThis();
  94
  95 s = obj.name;
  96 status = 'In SECTION2 of test after 0 sets, 1 get';
  97 actual = [obj.nameSETS,obj.nameGETS];
  98 expect = [0,1];
  99 addThis();
 100
 101 obj.name = cnFRED;
 102 status = 'In SECTION2 of test after 1 set, 1 get';
 103 actual = [obj.nameSETS,obj.nameGETS];
 104 expect = [1,1];
 105 addThis();
 106
 107 obj.name = obj.name;
 108 status = 'In SECTION2 of test after 2 sets, 2 gets';
 109 actual = [obj.nameSETS,obj.nameGETS];
 110 expect = [2,2];
 111 addThis();
 112
 113
 114 // SECTION 3: define getter/setter in prototype of user-defined constructor
 115 function TestObject()
 116 {
 117 }
 118 TestObject.prototype.nameSETS = 0;
 119 TestObject.prototype.nameGETS = 0;
 120 TestObject.prototype.__defineSetter__(cnName, cnNameSetter);
 121 TestObject.prototype.__defineGetter__(cnName, cnNameGetter);
 122 TestObject.prototype.name = cnDEFAULT;
 123
 124 obj = new TestObject();
 125 status = 'In SECTION3 of test after 1 set, 0 gets'; // (we set a default value in the prototype)
 126 actual = [obj.nameSETS,obj.nameGETS];
 127 expect = [1,0];
 128 addThis();
 129
 130 s = obj.name;
 131 status = 'In SECTION3 of test after 1 set, 1 get';
 132 actual = [obj.nameSETS,obj.nameGETS];
 133 expect = [1,1];
 134 addThis();
 135
 136 obj.name = cnFRED;
 137 status = 'In SECTION3 of test after 2 sets, 1 get';
 138 actual = [obj.nameSETS,obj.nameGETS];
 139 expect = [2,1];
 140 addThis();
 141
 142 obj.name = obj.name;
 143 status = 'In SECTION3 of test after 3 sets, 2 gets';
 144 actual = [obj.nameSETS,obj.nameGETS];
 145 expect = [3,2];
 146 addThis();
 147
 148 obj2 = new TestObject();
 149 status = 'obj2 = new TestObject() after 1 set, 0 gets';
 150 actual = [obj2.nameSETS,obj2.nameGETS];
 151 expect = [1,0]; // we set a default value in the prototype -
 152 addThis();
 153
 154 // Use both obj and obj2  -
 155 obj2.name = obj.name +  obj2.name;
 156   status = 'obj2 = new TestObject() after 2 sets, 1 get';
 157   actual = [obj2.nameSETS,obj2.nameGETS];
 158   expect = [2,1];
 159   addThis();
 160
 161   status = 'In SECTION3 of test after 3 sets, 3 gets';
 162   actual = [obj.nameSETS,obj.nameGETS];
 163   expect = [3,3];  // we left off at [3,2] above -
 164   addThis();
 165
 166
 167 //---------------------------------------------------------------------------------
 168 test();
 169 //---------------------------------------------------------------------------------
 170
 171
 172 function addThis()
 173 {
 174   statusitems[UBound] = status;
 175   actualvalues[UBound] = actual.toString();
 176   expectedvalues[UBound] = expect.toString();
 177   UBound++;
 178 }
 179
 180
 181 function test()
 182 {
 183   enterFunc ('test');
 184   printBugNumber (bug);
 185   printStatus (summary);
 186
 187   for (var i = 0; i < UBound; i++)
 188   {
 189     reportCompare(expectedvalues[i], actualvalues[i], getStatus(i));
 190   }
 191
 192   exitFunc ('test');
 193 }
 194
 195
 196 function getStatus(i)
 197 {
 198   return statprefix + statusitems[i];
 199 }