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 }