michael@0: // |reftest| fails
michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 435345;
michael@0: var summary = 'Watch the length property of arrays';
michael@0: var actual = '';
michael@0: var expect = '';
michael@0: 
michael@0: // see http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Objects:Object:watch
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc ('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus (summary);
michael@0:   
michael@0:   var arr;
michael@0:  
michael@0:   try
michael@0:   {
michael@0:     expect = 'watcher: propname=length, oldval=0, newval=1; ';
michael@0:     actual = '';
michael@0:     arr = [];
michael@0:     arr.watch('length', watcher);
michael@0:     arr[0] = '0';
michael@0:   }
michael@0:   catch(ex)
michael@0:   {
michael@0:     actual = ex + '';
michael@0:   }
michael@0:   reportCompare(expect, actual, summary + ': 1');
michael@0: 
michael@0:   try
michael@0:   {
michael@0:     expect = 'watcher: propname=length, oldval=1, newval=2; ' + 
michael@0:       'watcher: propname=length, oldval=2, newval=2; ';
michael@0:     actual = '';
michael@0:     arr.push(5);
michael@0:   }
michael@0:   catch(ex)
michael@0:   {
michael@0:     actual = ex + '';
michael@0:   }
michael@0:   reportCompare(expect, actual, summary + ': 2');
michael@0: 
michael@0:   try
michael@0:   {
michael@0:     expect = 'watcher: propname=length, oldval=2, newval=1; ';
michael@0:     actual = '';
michael@0:     arr.pop();
michael@0:   }
michael@0:   catch(ex)
michael@0:   {
michael@0:     actual = ex + '';
michael@0:   }
michael@0:   reportCompare(expect, actual, summary + ': 3');
michael@0: 
michael@0:   try
michael@0:   {
michael@0:     expect = 'watcher: propname=length, oldval=1, newval=2; ';
michael@0:     actual = '';
michael@0:     arr.length++;
michael@0:   }
michael@0:   catch(ex)
michael@0:   {
michael@0:     actual = ex + '';
michael@0:   }
michael@0:   reportCompare(expect, actual, summary + ': 4');
michael@0: 
michael@0:   try
michael@0:   {
michael@0:     expect = 'watcher: propname=length, oldval=2, newval=5; ';
michael@0:     actual = '';
michael@0:     arr.length = 5;
michael@0:   }
michael@0:   catch(ex)
michael@0:   {
michael@0:     actual = ex + '';
michael@0:   }
michael@0:   reportCompare(expect, actual, summary + ': 5');
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }
michael@0: 
michael@0: function watcher(propname, oldval, newval)
michael@0: {
michael@0:   actual += 'watcher: propname=' + propname + ', oldval=' + oldval + 
michael@0:     ', newval=' + newval + '; ';
michael@0: 
michael@0:   return newval;
michael@0: }
michael@0: