/*
* Copyright ( c ) 2001 , 2022 , 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
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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 driver 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];
ThreadGroup tga = t.getThreadGroup();
String groupName;
if (tga == null ) {
groupName = "<completed>" ;
} else {
groupName = tga.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 ;
}
}
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