/* * Copyright (c) 1998, 2001, 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. */ /* * @bug 4088176 * @summary Evolution: read evolved class with new field of a non-existing Externalizable class. */ import java.io.*; class A implements Serializable { // Version 1.0 of class A. private static final long serialVersionUID = 1L; public int bar; public D zoo; } class D implements Serializable { public int x; D(int y) { x = y; } } public class ReadAddedField { public static void main(String args[]) throws IOException, ClassNotFoundException { File f = new File("tmp.ser"); ObjectInput in = new ObjectInputStream(new FileInputStream(f)); A a = (A)in.readObject(); A b = (A)in.readObject(); if (a.bar != 4) throw new RuntimeException("a.bar does not equal 4, it equals " + a.bar); if (a.zoo.x != 22) throw new RuntimeException("a.zoo.x does not equal 22 equals " + a.zoo.x); if (b.bar != 4) throw new RuntimeException("b.bar does not equal 4, it equals " + b.bar); if (b.zoo.x != 22) throw new RuntimeException("b.zoo.x does not equal 22 equals " + b.zoo.x); in.close(); } }