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