/* * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 4646747 * @summary Tests that persistence delegate is correct after memory stress * @author Mark Davidson * @run main/othervm -ms16m -mx16m Test4646747 */ import java.beans.DefaultPersistenceDelegate; import java.beans.PersistenceDelegate; import java.beans.XMLEncoder; /** * This bug was introduced in 1.4 FCS but was working in 1.4.beta3 */ public class Test4646747 { public static void main(String[] args) { XMLEncoder encoder = new XMLEncoder(System.out); encoder.setPersistenceDelegate(Test4646747.class, new MyPersistenceDelegate()); // WARNING: This can eat up a lot of memory Object[] obs = new Object[10000]; while (obs != null) { try { obs = new Object[obs.length + obs.length / 3]; } catch (OutOfMemoryError error) { obs = null; } } PersistenceDelegate pd = encoder.getPersistenceDelegate(Test4646747.class); if (!(pd instanceof MyPersistenceDelegate)) throw new Error("persistence delegate has been lost"); } private static class MyPersistenceDelegate extends DefaultPersistenceDelegate { } }