author | rriggs |
Fri, 11 Oct 2019 13:11:56 -0400 | |
changeset 58565 | baa5969ecf34 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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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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8231427: Warning cleanup in tests of java.io.Serializable
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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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} |