85 lines
3.5 KiB
Java
85 lines
3.5 KiB
Java
/*
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* Copyright (c) 2005, 2015, 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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* @test
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* @bug 6783290
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* @summary Test correct reading of an empty Descriptor.
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* @author Jaroslav Bachorik
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*
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* @run clean SerializationTest1
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* @run build SerializationTest1
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* @run main SerializationTest1
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*/
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import java.io.*;
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import javax.management.*;
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public class SerializationTest1 {
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public static void main(String[] args) throws Exception {
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MBeanInfo mi1 = new MBeanInfo("",
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"",
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new MBeanAttributeInfo[]{},
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new MBeanConstructorInfo[]{},
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new MBeanOperationInfo[]{},
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new MBeanNotificationInfo[]{},
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ImmutableDescriptor.EMPTY_DESCRIPTOR);
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test(mi1);
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MBeanFeatureInfo mfi2 = new MBeanFeatureInfo("",
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"",
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ImmutableDescriptor.EMPTY_DESCRIPTOR);
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test(mfi2);
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}
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public static void test(Object obj) throws Exception {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ObjectOutputStream oos = new ObjectOutputStream(baos);
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oos.writeObject(obj);
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final boolean[] failed = new boolean[]{false};
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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final ObjectInputStream ois = new ObjectInputStream(bais) {
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protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
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System.out.println("*** " + desc.getName());
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if (desc.getName().equals("[Ljava.lang.Object;")) { // javax.management.Descriptor fields
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Thread.dumpStack();
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for(StackTraceElement e : Thread.currentThread().getStackTrace()) { // checking for the deserialization location
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if (e.getMethodName().equals("skipCustomData")) { // indicates the presence of unread values from the custom object serialization
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failed[0] = true;
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}
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}
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}
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return super.resolveClass(desc); //To change body of generated methods, choose Tools | Templates.
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}
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};
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Object newObj = ois.readObject();
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if (failed[0]) {
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throw new RuntimeException("Zero-length descriptor not read back");
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}
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}
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}
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