| /* |
| * Copyright (c) 2000, 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 { |
| ObjectInputStream oin = |
| new ObjectInputStream(new FileInputStream("tmp.ser")); |
| 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"); |
| } |
| } |
| } |