60 lines
2.2 KiB
Java
60 lines
2.2 KiB
Java
/*
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* Copyright (c) 2004, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4646747
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* @summary Tests that persistence delegate is correct after memory stress
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* @run main/othervm -Xms16m -Xmx16m Test4646747
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*/
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import java.beans.DefaultPersistenceDelegate;
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import java.beans.PersistenceDelegate;
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import java.beans.XMLEncoder;
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/**
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* This bug was introduced in 1.4 FCS but was working in 1.4.beta3
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*/
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public class Test4646747 {
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public static void main(String[] args) {
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XMLEncoder encoder = new XMLEncoder(System.out);
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encoder.setPersistenceDelegate(Test4646747.class, new MyPersistenceDelegate());
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// WARNING: This can eat up a lot of memory
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Object[] obs = new Object[10000];
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while (obs != null) {
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try {
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obs = new Object[obs.length + obs.length / 3];
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}
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catch (OutOfMemoryError error) {
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obs = null;
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}
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}
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PersistenceDelegate pd = encoder.getPersistenceDelegate(Test4646747.class);
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if (!(pd instanceof MyPersistenceDelegate))
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throw new Error("persistence delegate has been lost");
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}
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private static class MyPersistenceDelegate extends DefaultPersistenceDelegate {
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}
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}
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