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 }