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/*
* Copyright (c) 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.
*/
/* @test
* @bug 4461299
* @summary Verify that serialization functions properly if
* ObjectInputStream.readClassDescriptor() returns a local class
* descriptor for which the serialVersionUID has not yet been
* calculated.
*/
import java.io.*;
import java.util.*;
class LoopbackOutputStream extends ObjectOutputStream {
LinkedList descs;
LoopbackOutputStream(OutputStream out, LinkedList descs)
throws IOException
{
super(out);
this.descs = descs;
}
protected void writeClassDescriptor(ObjectStreamClass desc)
throws IOException
{
descs.add(desc);
}
}
class LoopbackInputStream extends ObjectInputStream {
LinkedList descs;
LoopbackInputStream(InputStream in, LinkedList descs) throws IOException {
super(in);
this.descs = descs;
}
protected ObjectStreamClass readClassDescriptor()
throws IOException, ClassNotFoundException
{
return (ObjectStreamClass) descs.removeFirst();
}
}
public class Loopback implements Serializable {
String str;
Loopback(String str) {
this.str = str;
}
public static void main(String[] args) throws Exception {
Loopback lb = new Loopback("foo");
LinkedList descs = new LinkedList();
ByteArrayOutputStream bout = new ByteArrayOutputStream();
LoopbackOutputStream lout = new LoopbackOutputStream(bout, descs);
lout.writeObject(lb);
lout.close();
LoopbackInputStream lin = new LoopbackInputStream(
new ByteArrayInputStream(bout.toByteArray()), descs);
Loopback lbcopy = (Loopback) lin.readObject();
if (!lb.str.equals(lbcopy.str)) {
throw new Error();
}
}
}
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