78 lines
2.8 KiB
Java
78 lines
2.8 KiB
Java
/*
|
|
* Copyright (c) 2004, 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 5058327
|
|
* @summary Test if getThreadInfo(long[]) returns a ThreadInfo[]
|
|
* with null elements with no exception.
|
|
*
|
|
* @author Mandy Chung
|
|
*
|
|
* @build ThreadInfoArray
|
|
* @run main ThreadInfoArray
|
|
*/
|
|
|
|
import java.lang.management.*;
|
|
import javax.management.*;
|
|
import java.util.*;
|
|
import static java.lang.management.ManagementFactory.*;
|
|
|
|
public class ThreadInfoArray {
|
|
public static void main(String[] argv) throws Exception {
|
|
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
|
|
|
|
// ID for a new thread
|
|
long [] ids = {new Thread().getId()};
|
|
ThreadInfo[] tinfos = mbean.getThreadInfo(ids);
|
|
|
|
if (tinfos[0] != null) {
|
|
throw new RuntimeException("TEST FAILED: " +
|
|
"Expected to have a null element");
|
|
}
|
|
|
|
// call getThreadInfo through MBeanServer
|
|
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
|
|
ObjectName on = new ObjectName(THREAD_MXBEAN_NAME);
|
|
Object[] params = {ids};
|
|
String[] sigs = {"[J"};
|
|
Object[] result = (Object[]) mbs.invoke(on, "getThreadInfo", params, sigs);
|
|
|
|
if (result[0] != null) {
|
|
throw new RuntimeException("TEST FAILED: " +
|
|
"Expected to have a null element via MBeanServer");
|
|
}
|
|
|
|
// call getThreadInfo through proxy
|
|
ThreadMXBean proxy = newPlatformMXBeanProxy(mbs,
|
|
on.toString(),
|
|
ThreadMXBean.class);
|
|
tinfos = proxy.getThreadInfo(ids);
|
|
if (tinfos[0] != null) {
|
|
throw new RuntimeException("TEST FAILED: " +
|
|
"Expected to have a null element");
|
|
}
|
|
System.out.println("Test passed");
|
|
}
|
|
}
|