0N/A/*
2362N/A * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
2362N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 5058327
0N/A * @summary Test if getThreadInfo(long[]) returns a ThreadInfo[]
0N/A * with null elements with no exception.
0N/A *
0N/A * @author Mandy Chung
0N/A *
0N/A * @build ThreadInfoArray
0N/A * @run main ThreadInfoArray
0N/A */
0N/A
0N/Aimport java.lang.management.*;
0N/Aimport javax.management.*;
0N/Aimport java.util.*;
0N/Aimport static java.lang.management.ManagementFactory.*;
0N/A
0N/Apublic class ThreadInfoArray {
0N/A public static void main(String[] argv) throws Exception {
0N/A ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
0N/A
0N/A // ID for a new thread
0N/A long [] ids = {new Thread().getId()};
0N/A ThreadInfo[] tinfos = mbean.getThreadInfo(ids);
0N/A
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");
}
}