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/*
* Copyright (c) 1998, 2019, 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 4088176
*
* @clean A D NewExternFieldClass ReadAddedField WriteAddedField
* @compile WriteAddedField.java
* @run main WriteAddedField
* @clean A D NewExternFieldClass ReadAddedField WriteAddedField
* @compile ReadAddedField.java
* @run main ReadAddedField
*
* @summary Evolution: read evolved class with new field of a non-existing Externalizable class.
*/
import java.io.*;
class NewExternFieldClass implements Externalizable {
private static final long serialVersionUID = 1L;
byte l;
public NewExternFieldClass() {
l = 0;
}
public NewExternFieldClass(byte value) {
l = value;
}
public void readExternal(ObjectInput s)
throws IOException, ClassNotFoundException
{
l = s.readByte();
System.out.println("readExternal read " + l);
}
public void writeExternal(ObjectOutput s) throws IOException
{
s.writeByte(l);
}
}
class D implements Serializable {
private static final long serialVersionUID = 1L;
public int x;
D(int y) {
x = y;
}
}
class A implements Serializable {
// Version 1.1 of class A. Added superclass NewSerializableSuper.
private static final long serialVersionUID = 1L;
NewExternFieldClass foo;
D zoo;
int bar;
A() {
bar = 4;
foo = new NewExternFieldClass((byte)66);
zoo = new D(22);
}
}
public class WriteAddedField {
public static void main(String args[]) throws IOException {
A a = new A();
File f = new File("tmp.ser");
ObjectOutput out =
new ObjectOutputStream(new FileOutputStream(f));
out.writeObject(a);
out.writeObject(new A());
out.close();
}
}
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