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 * @run build TestScaffold VMConnection TargetListener TargetAdapter 32 * @run compile -g SDENullTest.java 33 * @run driver SDENullTest 34 */ 35 import com.sun.jdi.*; 36 import com.sun.jdi.event.*; 37 import com.sun.jdi.request.*; 38 39 import java.util.*; 40 41 /********** target program **********/ 42 43 class SDENullTarg { 44 public static void main(String[] args){ 45 System.out.println("Howdy!"); 46 System.out.println("Goodbye from SDENullTarg!"); 47 } 48 } 49 50 /********** test program **********/ 51 52 public class SDENullTest extends TestScaffold { 53 ReferenceType targetClass; 54 ThreadReference mainThread; 55 56 SDENullTest (String args[]) { 57 super(args); 58 } 59 60 public static void main(String[] args) throws Exception { 61 new SDENullTest(args).startTests(); 62 } 63 64 /********** test core **********/ 65 66 protected void runTests() throws Exception { 67 /* 68 * Get to the top of main() 69 * to determine targetClass and mainThread 70 */ 71 BreakpointEvent bpe = startToMain("SDENullTarg"); 72 targetClass = bpe.location().declaringType(); 73 mainThread = bpe.thread(); 74 EventRequestManager erm = vm().eventRequestManager(); 75 vm().setDefaultStratum(null); 76 if (!testFailed) { 77 println("SDENullTest: passed"); 78 } else { 79 throw new Exception("SDENullTest: failed"); 80 } 81 } 82 }