1 /*
   2  * Copyright (c) 2004, 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 5071110
  27  * @summary Test whether an null descriptor will cause an NullPointerException.
  28  * @author Shanliang JIANG
  29  * @modules java.management
  30  * @run clean EqualExceptionTest
  31  * @run build EqualExceptionTest
  32  * @run main EqualExceptionTest
  33  */
  34 
  35 
  36 import java.io.IOException;
  37 import javax.management.*;
  38 
  39 public class EqualExceptionTest {
  40     public static void main(String[] args) throws Exception {
  41         System.out.println("<<< Test whether an null descriptor will cause an NullPointerException.");
  42 
  43         MBeanInfo mbi1 = new MBeanInfo("MyClass","",null,null,null,null);
  44         MBeanInfo mbi2 = new MBeanInfo("MyClass",null,null,null,null,null);
  45         System.out.println("<<< mbi1.equals(mbi2) = "+mbi1.equals(mbi2));
  46 
  47         System.out.println("<<< Test whether an null class name will cause an NullPointerException.");
  48         MBeanInfo mbi3 = new MBeanInfo("MyClass","",null,null,null,null);
  49         MBeanInfo mbi4 = new MBeanInfo(null,null,null,null,null,null);
  50         System.out.println("<<< mbi3.equals(mbi4) = "+mbi3.equals(mbi4));
  51 
  52     }
  53 }