/*
* Copyright (c) 2003, 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 4950216 4089701 4956093
* @summary Test for premature destruction of daemon threadgroups
*/
public class Daemon {
public static void main(String args[]) throws Exception {
ThreadGroup tg = new ThreadGroup("madbot-threads");
Thread myThread = new MadThread(tg,"mad");
ThreadGroup aGroup = new ThreadGroup(tg, "ness");
tg.setDaemon(true);
if (tg.activeCount() != 0)
throw new RuntimeException("activeCount");
aGroup.destroy();
if (tg.isDestroyed())
throw new RuntimeException("destroy");
try {
Thread anotherThread = new MadThread(aGroup, "bot");
throw new RuntimeException("illegal");
} catch (IllegalThreadStateException itse) {
// Correct result
}
}
}
class MadThread extends Thread {
String name;
MadThread(ThreadGroup tg, String name) {
super(tg, name);
this.name = name;
}
public void run() {
System.out.println("me run "+name);
}
}