69 lines
2.3 KiB
Java
69 lines
2.3 KiB
Java
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/*
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* Copyright 1998-2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @bug 4088176
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* @summary Evolution: read evolved class with new field of a non-existing Externalizable class.
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*/
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import java.io.*;
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class A implements Serializable {
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// Version 1.0 of class A.
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private static final long serialVersionUID = 1L;
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public int bar;
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public D zoo;
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}
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class D implements Serializable {
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public int x;
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D(int y) {
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x = y;
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}
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}
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public class ReadAddedField {
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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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File f = new File("tmp.ser");
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ObjectInput in =
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new ObjectInputStream(new FileInputStream(f));
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A a = (A)in.readObject();
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A b = (A)in.readObject();
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if (a.bar != 4)
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throw new RuntimeException("a.bar does not equal 4, it equals " +
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a.bar);
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if (a.zoo.x != 22)
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throw new RuntimeException("a.zoo.x does not equal 22 equals " +
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a.zoo.x);
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if (b.bar != 4)
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throw new RuntimeException("b.bar does not equal 4, it equals " +
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b.bar);
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if (b.zoo.x != 22)
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throw new RuntimeException("b.zoo.x does not equal 22 equals " +
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b.zoo.x);
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in.close();
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}
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}
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