michael@0: // |reftest| skip -- unreliable - based on GC timing
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 = 404755;
michael@0: var summary = 'Do not consume heap when deleting property';
michael@0: var actual = 'No leak';
michael@0: var expect = 'No leak';
michael@0: 
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 n = 1 << 22;
michael@0:   var o = {};
michael@0:   do {
michael@0:     o[0] = 0;
michael@0:     delete o[0]; 
michael@0:   } while (--n != 0);
michael@0: 
michael@0:   gc();
michael@0:   var time = Date.now();
michael@0:   gc();
michael@0:   time = Date.now() - time;
michael@0: 
michael@0:   o = {};
michael@0:   o[0] = 0;
michael@0:   delete o[0]; 
michael@0:   gc();
michael@0:   var time2 = Date.now();
michael@0:   gc();
michael@0:   time2 = Date.now() - time2;
michael@0:   print(time+" "+time2);
michael@0:   if (time > 2 && time > time2 * 5)
michael@0:     throw "A possible leak is observed";
michael@0: 
michael@0:   reportCompare(expect, actual, summary);
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }