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/*
* Copyright (c) 1997, 2007, 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 4070080
*
* @summary Test reading an evolved class serialization into the original class
* version. Class evolved by adding a superclass.
*
* @clean A WriteAddedSuperClass ReadAddedSuperClass ReadAddedSuperClass2
* @compile WriteAddedSuperClass.java
* @run main WriteAddedSuperClass
* @clean A AddedSuperClass
* @compile ReadAddedSuperClass.java
* @run main ReadAddedSuperClass
* @clean A
* @compile WriteAddedSuperClass.java
* @run main WriteAddedSuperClass
* @clean A AddedSuperClass
* @compile ReadAddedSuperClass2.java
* @run main ReadAddedSuperClass2
*
*/
/*
* Part a of test serializes an instance of an evolved class to a serialization stream.
* Part b of test deserializes the serialization stream into an instance of
* the original class.
*
*/
import java.io.*;
class AddedSuperClass implements Serializable {
// Needed at least one field to recreate failure.
int field;
}
class A extends AddedSuperClass implements Serializable {
// Version 1.1 of class A. Added superclass NewSerializableSuper.
private static final long serialVersionUID = 1L;
}
public class WriteAddedSuperClass {
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.close();
}
}
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