94 lines
2.6 KiB
Java
94 lines
2.6 KiB
Java
/*
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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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/* @test
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* @bug 4088176
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*
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* @clean A D NewExternFieldClass ReadAddedField WriteAddedField
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* @compile WriteAddedField.java
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* @run main WriteAddedField
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* @clean A D NewExternFieldClass ReadAddedField WriteAddedField
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* @compile ReadAddedField.java
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* @run main ReadAddedField
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*
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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 NewExternFieldClass implements Externalizable {
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byte l;
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public NewExternFieldClass() {
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l = 0;
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}
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public NewExternFieldClass(byte value) {
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l = value;
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}
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public void readExternal(ObjectInput s)
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throws IOException, ClassNotFoundException
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{
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l = s.readByte();
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System.out.println("readExternal read " + l);
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}
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public void writeExternal(ObjectOutput s) throws IOException
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{
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s.writeByte(l);
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}
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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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class A implements Serializable {
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// Version 1.1 of class A. Added superclass NewSerializableSuper.
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private static final long serialVersionUID = 1L;
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NewExternFieldClass foo;
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D zoo;
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int bar;
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A() {
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bar = 4;
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foo = new NewExternFieldClass((byte)66);
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zoo = new D(22);
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}
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}
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public class WriteAddedField {
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public static void main(String args[]) throws IOException {
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A a = new A();
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File f = new File("tmp.ser");
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ObjectOutput out =
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new ObjectOutputStream(new FileOutputStream(f));
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out.writeObject(a);
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out.writeObject(new A());
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out.close();
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}
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}
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