author | rriggs |
Fri, 11 Oct 2019 13:11:56 -0400 | |
changeset 58565 | baa5969ecf34 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2019, 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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/* @test |
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* @bug 4146453 |
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* @summary Test that regrow of object/handle table of ObjectOutputStream works. |
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*/ |
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import java.io.*; |
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import java.util.HashSet; |
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import java.util.Iterator; |
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class A implements Serializable { |
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8231427: Warning cleanup in tests of java.io.Serializable
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private static final long serialVersionUID = 1L; |
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8231427: Warning cleanup in tests of java.io.Serializable
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8231427: Warning cleanup in tests of java.io.Serializable
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static HashSet<A> writeObjectExtent = new HashSet<>(); |
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private void writeObject(ObjectOutputStream out) throws IOException { |
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if (writeObjectExtent.contains(this)) { |
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throw new InvalidObjectException("writeObject: object " + |
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this.toString() + " has already " |
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+ "been serialized and should " + |
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"have be serialized by reference."); |
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} else { |
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writeObjectExtent.add(this); |
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} |
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out.defaultWriteObject(); |
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} |
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A() { |
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} |
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} |
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public class VerifyDynamicObjHandleTable { |
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public static void main(String args[]) |
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throws IOException, ClassNotFoundException |
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{ |
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ObjectOutputStream out = |
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new ObjectOutputStream(new ByteArrayOutputStream(3000)); |
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for (int i = 0; i < 1000; i++) { |
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out.writeObject(new A()); |
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} |
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// Make sure that serialization subsystem does not |
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// allow writeObject to be called on any objects that |
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// have already been serialized. These objects should be |
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// written out by reference. |
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8231427: Warning cleanup in tests of java.io.Serializable
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parents:
47216
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Iterator<A> iter = A.writeObjectExtent.iterator(); |
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while (iter.hasNext()) { |
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out.writeObject(iter.next()); |
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} |
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out.close(); |
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} |
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} |