michael@0: // |reftest| skip-if(xulRuntime.OS=="WINNT"&&isDebugBuild) slow
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 = 127243;
michael@0: var summary = 'Do not crash on watch';
michael@0: var actual = 'No Crash';
michael@0: var expect = 'No Crash';
michael@0: 
michael@0: printBugNumber(BUGNUMBER);
michael@0: printStatus (summary);
michael@0: 
michael@0: if (typeof window != 'undefined' && typeof document != 'undefined') 
michael@0: {
michael@0:   // delay test driver end
michael@0:   gDelayTestDriverEnd = true;
michael@0:   window.addEventListener('load', handleLoad, false);
michael@0: }
michael@0: else
michael@0: {
michael@0:   printStatus('This test must be run in the browser');
michael@0:   reportCompare(expect, actual, summary);
michael@0: 
michael@0: }
michael@0: 
michael@0: var div;
michael@0: 
michael@0: function handleLoad()
michael@0: {
michael@0:   div = document.createElement('div');
michael@0:   document.body.appendChild(div);
michael@0:   div.setAttribute('id', 'id1');
michael@0:   div.style.width = '50px';
michael@0:   div.style.height = '100px';
michael@0:   div.style.overflow = 'auto';
michael@0: 
michael@0:   for (var i = 0; i < 5; i++)
michael@0:   {
michael@0:     var p = document.createElement('p');
michael@0:     var t = document.createTextNode('blah');
michael@0:     p.appendChild(t);
michael@0:     div.appendChild(p);
michael@0:   }
michael@0: 
michael@0:   div.watch('scrollTop', wee);
michael@0: 
michael@0:   setTimeout('setScrollTop()', 1000);
michael@0: }
michael@0: 
michael@0: function wee(id, oldval, newval)
michael@0: {
michael@0:   var t = document.createTextNode('setting ' + id +
michael@0:                                   ' value ' + div.scrollTop +
michael@0:                                   ' oldval ' + oldval +
michael@0:                                   ' newval ' + newval);
michael@0:   var p = document.createElement('p');
michael@0:   p.appendChild(t);
michael@0:   document.body.appendChild(p);
michael@0: 
michael@0:   return newval;
michael@0: }
michael@0: 
michael@0: function setScrollTop()
michael@0: {
michael@0:   div.scrollTop = 42;
michael@0: 
michael@0:   reportCompare(expect, actual, summary);
michael@0: 
michael@0:   gDelayTestDriverEnd = false;
michael@0:   jsTestDriverEnd();
michael@0: 
michael@0: }