getset-004.js - mozsearch

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*

 * Date: 14 April 2001

 * SUMMARY: Testing  obj.__defineSetter__(), obj.__defineGetter__()

 * Note: this is a non-ECMA language extension

*/

//-----------------------------------------------------------------------------

var UBound = 0;

var BUGNUMBER = '(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()

  printBugNumber(BUGNUMBER);

  printStatus (summary);

  for (var i = 0; i < UBound; i++)

    reportCompare(expectedvalues[i], actualvalues[i], getStatus(i));

function getStatus(i)

  return statprefix + statusitems[i];