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/*
* Copyright (c) 2000, 2010, 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 4363844
* @summary Verify that a custom readObjectNoData method, if defined properly
* by a serializable superclass, gets invoked during deserialization
* of a subclass instance whose serialized form omits a class
* descriptor corresponding to the superclass.
*/
import java.io.*;
/* Non-serializable superclass which defines readObjectNoData:
* readObjectNoData should not get called.
*/
class A {
private static final long serialVersionUID = 0L;
boolean aCalled = false;
private void readObjectNoData() throws ObjectStreamException {
aCalled = true;
}
}
/* Serializable superclass which defines readObjectNoData with wrong signature:
* readObjectNoData should not get called.
*/
class B extends A implements Serializable {
private static final long serialVersionUID = 0L;
boolean bCalled = false;
private void readObjectNoData(int wrong) throws ObjectStreamException {
bCalled = true;
}
}
/* Serializable superclass which defines readObjectNoData correctly, and is not
* listed in stream: readObjectNoData should get called.
*/
class C extends B {
private static final long serialVersionUID = 0L;
boolean cCalled = false;
private void readObjectNoData() throws ObjectStreamException {
cCalled = true;
}
}
/* Serializable superclass which defines readObjectNoData correctly, but whose
* corresponding class descriptor is listed in stream: readObjectNoData should
* not get called.
*/
class D extends C {
private static final long serialVersionUID = 0L;
boolean dCalled = false;
private void readObjectNoData() throws ObjectStreamException {
dCalled = true;
}
}
/* Serializable superclass which defines readObjectNoData with wrong access:
* readObjectNoData should not get called.
*/
class E extends D {
private static final long serialVersionUID = 0L;
boolean eCalled = false;
void readObjectNoData() throws ObjectStreamException {
eCalled = true;
}
}
/* Instance class.
*/
class F extends E {
private static final long serialVersionUID = 0L;
}
public class Read {
public static void main(String[] args) throws Exception {
FileInputStream in = new FileInputStream("tmp.ser");
try {
ObjectInputStream oin = new ObjectInputStream(in);
F f = (F) oin.readObject();
if (f.aCalled || f.bCalled || f.dCalled || f.eCalled) {
throw new Error("readObjectNoData invoked erroneously");
}
if (! f.cCalled) {
throw new Error("readObjectNoData not invoked");
}
} finally {
in.close();
}
}
}
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