115 lines
3.8 KiB
Java
115 lines
3.8 KiB
Java
/*
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* Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @bug 4363844
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* @summary Verify that a custom readObjectNoData method, if defined properly
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* by a serializable superclass, gets invoked during deserialization
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* of a subclass instance whose serialized form omits a class
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* descriptor corresponding to the superclass.
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*/
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import java.io.*;
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/* Non-serializable superclass which defines readObjectNoData:
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* readObjectNoData should not get called.
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*/
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class A {
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private static final long serialVersionUID = 0L;
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boolean aCalled = false;
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private void readObjectNoData() throws ObjectStreamException {
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aCalled = true;
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}
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}
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/* Serializable superclass which defines readObjectNoData with wrong signature:
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* readObjectNoData should not get called.
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*/
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class B extends A implements Serializable {
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private static final long serialVersionUID = 0L;
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boolean bCalled = false;
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@SuppressWarnings("serial") /* Incorrect declarations are being tested */
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private void readObjectNoData(int wrong) throws ObjectStreamException {
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bCalled = true;
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}
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}
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/* Serializable superclass which defines readObjectNoData correctly, and is not
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* listed in stream: readObjectNoData should get called.
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*/
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class C extends B {
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private static final long serialVersionUID = 0L;
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boolean cCalled = false;
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private void readObjectNoData() throws ObjectStreamException {
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cCalled = true;
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}
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}
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/* Serializable superclass which defines readObjectNoData correctly, but whose
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* corresponding class descriptor is listed in stream: readObjectNoData should
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* not get called.
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*/
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class D extends C {
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private static final long serialVersionUID = 0L;
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boolean dCalled = false;
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private void readObjectNoData() throws ObjectStreamException {
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dCalled = true;
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}
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}
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/* Serializable superclass which defines readObjectNoData with wrong access:
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* readObjectNoData should not get called.
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*/
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class E extends D {
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private static final long serialVersionUID = 0L;
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boolean eCalled = false;
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@SuppressWarnings("serial") /* Incorrect declarations are being tested */
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void readObjectNoData() throws ObjectStreamException {
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eCalled = true;
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}
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}
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/* Instance class.
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*/
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class F extends E {
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private static final long serialVersionUID = 0L;
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}
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public class Read {
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public static void main(String[] args) throws Exception {
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FileInputStream in = new FileInputStream("tmp.ser");
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try {
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ObjectInputStream oin = new ObjectInputStream(in);
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F f = (F) oin.readObject();
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if (f.aCalled || f.bCalled || f.dCalled || f.eCalled) {
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throw new Error("readObjectNoData invoked erroneously");
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}
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if (! f.cCalled) {
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throw new Error("readObjectNoData not invoked");
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}
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} finally {
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in.close();
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}
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}
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}
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