126 lines
3.8 KiB
Java
126 lines
3.8 KiB
Java
/*
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* Copyright (c) 2012, 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 7017458
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* @summary Test of multithreaded serialization/deserialization of Calendar.
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*/
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import java.io.*;
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import java.util.Calendar;
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public class Bug7017458 {
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static volatile boolean err = false;
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public static void main(String[] args) {
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try {
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new Bug7017458().perform();
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}
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catch (Exception e) {
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e.printStackTrace();
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err = true;
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}
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if (err) {
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throw new RuntimeException("Multithreaded serialization/deserialization test failed.");
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} else {
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System.out.println("Multithreaded serialization/deserialization test passed.");
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}
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}
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public void perform() throws Exception {
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int nbThreads = 8;
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Calendar cal = Calendar.getInstance();
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SerializationThread[] threads = new SerializationThread[nbThreads];
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for (int i = 0; i < nbThreads; i++) {
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threads[i] = new SerializationThread(cal);
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}
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for (int i = 0; i < nbThreads; i++) {
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threads[i].start();
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}
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for (int i = 0; i < nbThreads; i++) {
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threads[i].join();
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}
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DeserializationThread[] threads2 = new DeserializationThread[nbThreads];
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for (int i = 0; i < nbThreads; i++) {
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threads2[i] = new DeserializationThread(threads[i].data);
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}
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for (int i = 0; i < nbThreads; i++) {
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threads2[i].start();
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}
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for (int i = 0; i < nbThreads; i++) {
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threads2[i].join();
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}
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}
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public class SerializationThread extends Thread {
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private Calendar cal;
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public byte[] data;
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public SerializationThread(Calendar cal) {
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this.cal = cal;
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}
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public void run() {
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try {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ObjectOutputStream oos = new ObjectOutputStream(baos);
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oos.writeObject(cal);
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oos.flush();
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oos.close();
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data = baos.toByteArray();
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}
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catch (Exception e) {
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e.printStackTrace();
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err = true;
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}
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}
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}
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public class DeserializationThread extends Thread {
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public Calendar cal;
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public byte[] data;
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public DeserializationThread(byte[] data) {
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this.data = data;
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}
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public void run() {
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try {
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ByteArrayInputStream bais = new ByteArrayInputStream(data);
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ObjectInputStream ois = new ObjectInputStream(bais);
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cal = (Calendar) ois.readObject();
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ois.close();
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}
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catch (Exception e) {
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e.printStackTrace();
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err = true;
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}
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}
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}
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}
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