1 /* 2 * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 4621289 27 * @summary vm.setDefaultStratum(null) causes a Null Ptr exception 28 * 29 * @author jjh 30 * 31 * @modules jdk.jdi 32 * @run build TestScaffold VMConnection TargetListener TargetAdapter 33 * @run compile -g SDENullTest.java 34 * @run driver SDENullTest 35 */ 36 import com.sun.jdi.*; 37 import com.sun.jdi.event.*; 38 import com.sun.jdi.request.*; 39 40 import java.util.*; 41 42 /********** target program **********/ 43 44 class SDENullTarg { 45 public static void main(String[] args){ 46 System.out.println("Howdy!"); 47 System.out.println("Goodbye from SDENullTarg!"); 48 } 49 } 50 51 /********** test program **********/ 52 53 public class SDENullTest extends TestScaffold { 54 ReferenceType targetClass; 55 ThreadReference mainThread; 56 57 SDENullTest (String args[]) { 58 super(args); 59 } 60 61 public static void main(String[] args) throws Exception { 62 new SDENullTest(args).startTests(); 63 } 64 65 /********** test core **********/ 66 67 protected void runTests() throws Exception { 68 /* 69 * Get to the top of main() 70 * to determine targetClass and mainThread 71 */ 72 BreakpointEvent bpe = startToMain("SDENullTarg"); 73 targetClass = bpe.location().declaringType(); 74 mainThread = bpe.thread(); 75 EventRequestManager erm = vm().eventRequestManager(); 76 vm().setDefaultStratum(null); 77 if (!testFailed) { 78 println("SDENullTest: passed"); 79 } else { 80 throw new Exception("SDENullTest: failed"); 81 } 82 } 83 }