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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 4360508
* @summary Verify that a custom readObject() method reading in data written
* via default serialization cannot read past the end of the default
* data.
*/
import java.io.*;
class A implements Serializable {
int i1 = 1, i2 = 2;
String s1 = "foo", s2 = "bar";
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException
{
in.defaultReadObject();
if (in.read() != -1) {
throw new Error();
}
try {
in.readInt();
throw new Error();
} catch (EOFException ex) {
}
try {
in.readObject();
throw new Error();
} catch (OptionalDataException ex) {
if (!ex.eof) {
throw new Error();
}
}
try {
in.readUnshared();
throw new Error();
} catch (OptionalDataException ex) {
if (!ex.eof) {
throw new Error();
}
}
}
}
class B implements Serializable {
int i1 = 1, i2 = 2;
String s1 = "foo", s2 = "bar";
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException
{
in.readFields();
try {
in.readObject();
throw new Error();
} catch (OptionalDataException ex) {
if (!ex.eof) {
throw new Error();
}
}
try {
in.readUnshared();
throw new Error();
} catch (OptionalDataException ex) {
if (!ex.eof) {
throw new Error();
}
}
if (in.read() != -1) {
throw new Error();
}
try {
in.readInt();
throw new Error();
} catch (EOFException ex) {
}
}
}
class C implements Serializable {
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException
{
in.defaultReadObject();
try {
in.readObject();
throw new Error();
} catch (OptionalDataException ex) {
if (!ex.eof) {
throw new Error();
}
}
try {
in.readUnshared();
throw new Error();
} catch (OptionalDataException ex) {
if (!ex.eof) {
throw new Error();
}
}
if (in.read() != -1) {
throw new Error();
}
try {
in.readInt();
throw new Error();
} catch (EOFException ex) {
}
}
}
public class DefaultDataEnd {
public static void main(String[] args) throws Exception {
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream oout = new ObjectOutputStream(bout);
oout.writeObject(new A());
oout.writeObject(new B());
oout.writeObject(new C());
oout.close();
ObjectInputStream oin = new ObjectInputStream(
new ByteArrayInputStream(bout.toByteArray()));
oin.readObject();
oin.readObject();
oin.readObject();
}
}
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