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/*
* 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");
}
}
}
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