| /* |
| * Copyright (c) 2001, 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 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]; |
| 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; |
| } |
| } |