| /* |
| * Copyright (c) 2003, 2015, 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 4893530 |
| * @summary If JDI is initially started from a thread group that is subsequently |
| * destroyed this should not impact subsequent thread creation by |
| * the virtual machine manager. |
| * |
| * @run build TestScaffold VMConnection TargetListener TargetAdapter |
| * @run compile ThreadGroupTest.java |
| * @run driver ThreadGroupTest |
| */ |
| import com.sun.jdi.*; |
| import com.sun.jdi.connect.*; |
| import com.sun.jdi.event.*; |
| import com.sun.jdi.request.*; |
| |
| import java.util.*; |
| |
| /********** target program **********/ |
| |
| class ThreadGroupTarg { |
| public static void main(String[] args){ |
| System.out.println("Howdy!"); |
| System.out.println("Goodbye from ThreadGroupTarg!"); |
| } |
| } |
| |
| /********** test program **********/ |
| |
| public class ThreadGroupTest extends TestScaffold { |
| ReferenceType targetClass; |
| ThreadReference mainThread; |
| |
| // Helper thread to fetch VirtualMachineManager |
| static class Fetcher implements Runnable { |
| public void run() { |
| Bootstrap.virtualMachineManager(); |
| } |
| } |
| |
| ThreadGroupTest (String args[]) { |
| super(args); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| // create a random thread group, and run a thread in that group to |
| // fetch the VirtualMachineManager |
| ThreadGroup tg = new ThreadGroup("Gus"); |
| Fetcher fetcher = new Fetcher(); |
| Thread thr = new Thread(tg, fetcher); |
| thr.start(); |
| try { |
| thr.join(); |
| } catch (InterruptedException x) { } |
| // now destroy the thread group |
| tg.destroy(); |
| |
| // run the test |
| new ThreadGroupTest(args).startTests(); |
| } |
| |
| /********** test core **********/ |
| |
| protected void runTests() throws Exception { |
| |
| // run the target until it completes |
| startToMain("ThreadGroupTarg"); |
| listenUntilVMDisconnect(); |
| |
| /* |
| * deal with results of test |
| * if anything has called failure("foo") testFailed will be true |
| */ |
| if (!testFailed) { |
| println("ThreadGroupTest: passed"); |
| } else { |
| throw new Exception("ThreadGroupTest: failed"); |
| } |
| } |
| } |