/*
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* 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.
*
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*/
/**
* @test
* @bug 4513488
* @summary Test for JDI: Internal JDI helper threads should setDaemon(true)
*
* @author Tim Bell
*
* @run build TestScaffold VMConnection TargetListener TargetAdapter
* @run compile -g DebuggerThreadTest.java
* @run main DebuggerThreadTest
*/
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;
import java.util.*;
/********** target program **********/
class DebuggerThreadTarg {
public void ready() {
}
public static void main(String[] args){
System.out.println("Howdy!");
DebuggerThreadTarg targ = new DebuggerThreadTarg();
targ.ready();
System.out.println("Goodbye from DebuggerThreadTarg!");
}
}
/********** test program **********/
public class DebuggerThreadTest extends TestScaffold {
DebuggerThreadTest (String args[]) {
super(args);
}
public static void main(String[] args) throws Exception {
new DebuggerThreadTest(args).startTests();
}
/*
* Move to top ThreadGroup and dump all threads.
*/
public void dumpThreads() {
ThreadGroup tg = Thread.currentThread().getThreadGroup();
ThreadGroup parent = tg.getParent();
while (parent != null) {
tg = parent;
parent = tg.getParent();
}
int listThreads = tg.activeCount();
Thread list[] = new Thread[listThreads * 2];
int gotThreads = tg.enumerate(list, true);
for (int i = 0; i < Math.min(gotThreads, list.length); i++){
Thread t = list[i];
String groupName = t.getThreadGroup().getName();
System.out.println("Thread [" + i + "] group = '" +
groupName +
"' name = '" + t.getName() +
"' daemon = " + t.isDaemon());
if (groupName.startsWith("JDI ") &&
(! t.isDaemon())) {
failure("FAIL: non-daemon thread '" + t.getName() +
"' found in ThreadGroup '" + groupName + "'");
}
}
}
protected void runTests() throws Exception {
try {
/*
* Get to the top of ready()
*/
startTo("DebuggerThreadTarg", "ready", "()V");
dumpThreads();
listenUntilVMDisconnect();
} finally {
/*
* deal with results of test
* if anything has called failure("foo") testFailed will be true
*/
if (!testFailed) {
println("DebuggerThreadTest: passed");
} else {
throw new Exception("DebuggerThreadTest: failed");
}
}
return;
}
}