getset-004.js   [plain text]

/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" 
* basis, WITHOUT WARRANTY OF ANY KIND, either expressed
* or implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation.  Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s): pschwartau@netscape.com
* Date: 14 April 2001
*
* SUMMARY: Testing  obj.__defineSetter__(), obj.__defineGetter__()
* Note: this is a non-ECMA language extension
*/
//-------------------------------------------------------------------------------------------------
var UBound = 0;
var bug = '(none)';
var summary = 'Testing  obj.__defineSetter__(), obj.__defineGetter__()';
var statprefix = 'Status: ';
var status = '';
var statusitems = [ ];
var actual = '';
var actualvalues = [ ];
var expect= '';
var expectedvalues = [ ];
var cnDEFAULT = 'default name';
var cnFRED = 'Fred';
var obj = {};
var obj2 = {};
var s = '';


// SECTION1: define getter/setter directly on an object (not its prototype)
obj = new Object();
obj.nameSETS = 0;
obj.nameGETS = 0;
obj.__defineSetter__('name', function(newValue) {this._name=newValue; this.nameSETS++;});
obj.__defineGetter__('name', function() {this.nameGETS++; return this._name;});

status = 'In SECTION1 of test after 0 sets, 0 gets';
actual = [obj.nameSETS,obj.nameGETS];
expect = [0,0];
addThis();

s = obj.name;
status = 'In SECTION1 of test after 0 sets, 1 get';
actual = [obj.nameSETS,obj.nameGETS];
expect = [0,1];
addThis();

obj.name = cnFRED;
status = 'In SECTION1 of test after 1 set, 1 get';
actual = [obj.nameSETS,obj.nameGETS];
expect = [1,1];
addThis();

obj.name = obj.name;
status = 'In SECTION1 of test after 2 sets, 2 gets';
actual = [obj.nameSETS,obj.nameGETS];
expect = [2,2];
addThis();


// SECTION2: define getter/setter in Object.prototype
Object.prototype.nameSETS = 0;
Object.prototype.nameGETS = 0;
Object.prototype.__defineSetter__('name', function(newValue) {this._name=newValue; this.nameSETS++;});
Object.prototype.__defineGetter__('name', function() {this.nameGETS++; return this._name;});

obj = new Object();
status = 'In SECTION2 of test after 0 sets, 0 gets';
actual = [obj.nameSETS,obj.nameGETS];
expect = [0,0];
addThis();

s = obj.name;
status = 'In SECTION2 of test after 0 sets, 1 get';
actual = [obj.nameSETS,obj.nameGETS];
expect = [0,1];
addThis();

obj.name = cnFRED;
status = 'In SECTION2 of test after 1 set, 1 get';
actual = [obj.nameSETS,obj.nameGETS];
expect = [1,1];
addThis();

obj.name = obj.name;
status = 'In SECTION2 of test after 2 sets, 2 gets';
actual = [obj.nameSETS,obj.nameGETS];
expect = [2,2];
addThis();


// SECTION 3: define getter/setter in prototype of user-defined constructor
function TestObject()
{
}
TestObject.prototype.nameSETS = 0;
TestObject.prototype.nameGETS = 0;
TestObject.prototype.__defineSetter__('name', function(newValue) {this._name=newValue; this.nameSETS++;});
TestObject.prototype.__defineGetter__('name', function() {this.nameGETS++; return this._name;});
TestObject.prototype.name = cnDEFAULT;

obj = new TestObject();
status = 'In SECTION3 of test after 1 set, 0 gets'; // (we set a default value in the prototype)
actual = [obj.nameSETS,obj.nameGETS];
expect = [1,0];
addThis();

s = obj.name;
status = 'In SECTION3 of test after 1 set, 1 get';
actual = [obj.nameSETS,obj.nameGETS];
expect = [1,1];
addThis();

obj.name = cnFRED;
status = 'In SECTION3 of test after 2 sets, 1 get';
actual = [obj.nameSETS,obj.nameGETS];
expect = [2,1];
addThis();

obj.name = obj.name;
status = 'In SECTION3 of test after 3 sets, 2 gets';
actual = [obj.nameSETS,obj.nameGETS];
expect = [3,2];
addThis();

obj2 = new TestObject();
status = 'obj2 = new TestObject() after 1 set, 0 gets';
actual = [obj2.nameSETS,obj2.nameGETS];
expect = [1,0]; // we set a default value in the prototype -
addThis();

// Use both obj and obj2  -
obj2.name = obj.name +  obj2.name;
  status = 'obj2 = new TestObject() after 2 sets, 1 get';
  actual = [obj2.nameSETS,obj2.nameGETS];
  expect = [2,1];
  addThis();

  status = 'In SECTION3 of test after 3 sets, 3 gets';
  actual = [obj.nameSETS,obj.nameGETS];
  expect = [3,3];  // we left off at [3,2] above -
  addThis();


//---------------------------------------------------------------------------------
test();
//---------------------------------------------------------------------------------


function addThis()
{
  statusitems[UBound] = status;
  actualvalues[UBound] = actual.toString();
  expectedvalues[UBound] = expect.toString();
  UBound++;
}


function test()
{
  enterFunc ('test');
  printBugNumber (bug);
  printStatus (summary);
 
  for (var i = 0; i < UBound; i++)
  {
    reportCompare(expectedvalues[i], actualvalues[i], getStatus(i));
  }

  exitFunc ('test');
}


function getStatus(i)
{
  return statprefix + statusitems[i];
}