| duke | 6e45e10 | 2007-12-01 00:00:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4950216 4089701 4956093 |
| 27 | * @summary Test for premature destruction of daemon threadgroups |
| 28 | */ |
| 29 | |
| 30 | public class Daemon { |
| 31 | |
| 32 | public static void main(String args[]) throws Exception { |
| 33 | ThreadGroup tg = new ThreadGroup("madbot-threads"); |
| 34 | Thread myThread = new MadThread(tg,"mad"); |
| 35 | ThreadGroup aGroup = new ThreadGroup(tg, "ness"); |
| 36 | tg.setDaemon(true); |
| 37 | if (tg.activeCount() != 0) |
| 38 | throw new RuntimeException("activeCount"); |
| 39 | aGroup.destroy(); |
| 40 | if (tg.isDestroyed()) |
| 41 | throw new RuntimeException("destroy"); |
| 42 | try { |
| 43 | Thread anotherThread = new MadThread(aGroup, "bot"); |
| 44 | throw new RuntimeException("illegal"); |
| 45 | } catch (IllegalThreadStateException itse) { |
| 46 | // Correct result |
| 47 | } |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | class MadThread extends Thread { |
| 52 | String name; |
| 53 | MadThread(ThreadGroup tg, String name) { |
| 54 | super(tg, name); |
| 55 | this.name = name; |
| 56 | } |
| 57 | public void run() { |
| 58 | System.out.println("me run "+name); |
| 59 | } |
| 60 | } |