126 lines
3.9 KiB
Java
126 lines
3.9 KiB
Java
/*
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* Copyright (c) 2001, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 4513488
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* @summary Test for JDI: Internal JDI helper threads should setDaemon(true)
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* @author Tim Bell
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*
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* @run build TestScaffold VMConnection TargetListener TargetAdapter
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* @run compile -g DebuggerThreadTest.java
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* @run driver DebuggerThreadTest
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*/
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import com.sun.jdi.*;
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import com.sun.jdi.event.*;
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import com.sun.jdi.request.*;
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import java.util.*;
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/********** target program **********/
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class DebuggerThreadTarg {
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public void ready() {
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}
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public static void main(String[] args){
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System.out.println("Howdy!");
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DebuggerThreadTarg targ = new DebuggerThreadTarg();
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targ.ready();
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System.out.println("Goodbye from DebuggerThreadTarg!");
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}
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}
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/********** test program **********/
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public class DebuggerThreadTest extends TestScaffold {
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DebuggerThreadTest (String args[]) {
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super(args);
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}
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public static void main(String[] args) throws Exception {
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new DebuggerThreadTest(args).startTests();
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}
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/*
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* Move to top ThreadGroup and dump all threads.
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*/
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public void dumpThreads() {
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ThreadGroup tg = Thread.currentThread().getThreadGroup();
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ThreadGroup parent = tg.getParent();
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while (parent != null) {
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tg = parent;
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parent = tg.getParent();
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}
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int listThreads = tg.activeCount();
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Thread list[] = new Thread[listThreads * 2];
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int gotThreads = tg.enumerate(list, true);
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for (int i = 0; i < Math.min(gotThreads, list.length); i++){
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Thread t = list[i];
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ThreadGroup tga = t.getThreadGroup();
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String groupName;
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if (tga == null) {
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groupName = "<completed>";
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} else {
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groupName = tga.getName();
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}
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System.out.println("Thread [" + i + "] group = '" +
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groupName +
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"' name = '" + t.getName() +
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"' daemon = " + t.isDaemon());
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if (groupName.startsWith("JDI ") &&
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(! t.isDaemon())) {
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failure("FAIL: non-daemon thread '" + t.getName() +
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"' found in ThreadGroup '" + groupName + "'");
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}
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}
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}
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protected void runTests() throws Exception {
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try {
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/*
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* Get to the top of ready()
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*/
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startTo("DebuggerThreadTarg", "ready", "()V");
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dumpThreads();
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listenUntilVMDisconnect();
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} finally {
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/*
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* deal with results of test
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* if anything has called failure("foo") testFailed will be true
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*/
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if (!testFailed) {
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println("DebuggerThreadTest: passed");
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} else {
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throw new Exception("DebuggerThreadTest: failed");
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}
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}
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return;
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}
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}
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