1 /*
   2  * Copyright (c) 2013, 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 import javax.management.MBeanNotificationInfo;
  25 import javax.management.modelmbean.DescriptorSupport;
  26 import javax.management.openmbean.OpenMBeanAttributeInfo;
  27 import javax.management.openmbean.OpenMBeanAttributeInfoSupport;
  28 import javax.management.openmbean.OpenMBeanConstructorInfo;
  29 import javax.management.openmbean.OpenMBeanConstructorInfoSupport;
  30 import javax.management.openmbean.OpenMBeanInfo;
  31 import javax.management.openmbean.OpenMBeanInfoSupport;
  32 import javax.management.openmbean.OpenMBeanOperationInfo;
  33 import javax.management.openmbean.OpenMBeanOperationInfoSupport;
  34 import javax.management.openmbean.OpenMBeanParameterInfo;
  35 import javax.management.openmbean.OpenMBeanParameterInfoSupport;
  36 import javax.management.openmbean.SimpleType;
  37 
  38 /*
  39  * @test
  40  * @bug 8023529
  41  * @summary Test that OpenMBean*Info.hashCode do not throw NPE
  42  * @author Shanliang JIANG
  43  * @modules java.management
  44  * @run clean OpenMBeanInfoHashCodeNPETest
  45  * @run build OpenMBeanInfoHashCodeNPETest
  46  * @run main OpenMBeanInfoHashCodeNPETest
  47  */
  48 public class OpenMBeanInfoHashCodeNPETest {
  49     private static int failed = 0;
  50 
  51     public static void main(String[] args) throws Exception {
  52         System.out.println("---OpenMBeanInfoHashCodeNPETest-main ...");
  53 
  54         // ----
  55         System.out.println("\n---Testing on OpenMBeanInfohashCodeTest...");
  56         OpenMBeanAttributeInfo openMBeanAttributeInfo = new OpenMBeanAttributeInfoSupport(
  57                 "name", "description", SimpleType.INTEGER, true, true, false, null, new Integer[]{1, 2, 3});
  58         test(openMBeanAttributeInfo, "defaultValue");
  59 
  60         openMBeanAttributeInfo = new OpenMBeanAttributeInfoSupport(
  61                 "name", "description", SimpleType.INTEGER, true, true, false, 1, null);
  62         test(openMBeanAttributeInfo, "legalValues");
  63 
  64         // ----
  65         System.out.println("\n---Testing on OpenMBeanConstructorInfoSupport...");
  66         OpenMBeanConstructorInfo openMBeanConstructorInfo;
  67 
  68         openMBeanConstructorInfo = new OpenMBeanConstructorInfoSupport(
  69                 "name", "description", null, new DescriptorSupport());
  70         test(openMBeanConstructorInfo, "sigs");
  71 
  72         openMBeanConstructorInfo = new OpenMBeanConstructorInfoSupport(
  73                 "name", "description", new OpenMBeanParameterInfo[]{}, null);
  74         test(openMBeanConstructorInfo, "Descriptor");
  75 
  76         // ----
  77         System.out.println("\n---Testing on OpenMBeanOperationInfoSupport...");
  78         OpenMBeanOperationInfo openMBeanOperationInfo;
  79 
  80         openMBeanOperationInfo = new OpenMBeanOperationInfoSupport(
  81                 "name", "description", null,  SimpleType.INTEGER, 1, new DescriptorSupport());
  82         test(openMBeanOperationInfo, "sigs");
  83 
  84         openMBeanOperationInfo = new OpenMBeanOperationInfoSupport(
  85                 "name", "description", new OpenMBeanParameterInfo[]{},  SimpleType.INTEGER, 1, null);
  86         test(openMBeanOperationInfo, "Descriptor");
  87 
  88         // ----
  89         System.out.println("\n---Testing on OpenMBeanParameterInfoSupport 1...");
  90         OpenMBeanParameterInfo openMBeanParameterInfo;
  91 
  92         openMBeanParameterInfo = new OpenMBeanParameterInfoSupport(
  93                 "name", "description", SimpleType.INTEGER, null, -1, 1);
  94         test(openMBeanParameterInfo, "default value");
  95 
  96         openMBeanParameterInfo = new OpenMBeanParameterInfoSupport(
  97                 "name", "description", SimpleType.INTEGER, 0, null, 1);
  98         test(openMBeanParameterInfo, "min value");
  99 
 100         openMBeanParameterInfo = new OpenMBeanParameterInfoSupport(
 101                 "name", "description", SimpleType.INTEGER, 0, -1, null);
 102         test(openMBeanParameterInfo, "max value");
 103 
 104         // ----
 105         System.out.println("\n---Testing on OpenMBeanParameterInfoSupport 2...");
 106         openMBeanParameterInfo = new OpenMBeanParameterInfoSupport(
 107                 "name", "description", SimpleType.INTEGER, 1, new Integer[]{-1, 1, 2});
 108 
 109         openMBeanParameterInfo = new OpenMBeanParameterInfoSupport(
 110                 "name", "description", SimpleType.INTEGER, null, new Integer[]{-1, 1, 2});
 111         test(openMBeanParameterInfo, "default value");
 112 
 113         openMBeanParameterInfo = new OpenMBeanParameterInfoSupport(
 114                 "name", "description", SimpleType.INTEGER, 1, null);
 115         test(openMBeanParameterInfo, "legal values");
 116 
 117         // ----
 118         System.out.println("\n---Testing on OpenMBeanInfoSupport...");
 119         String className = "toto";
 120         String description = "titi";
 121         OpenMBeanAttributeInfo[] attrInfos = new OpenMBeanAttributeInfo[]{};
 122         OpenMBeanConstructorInfo[] constrInfos = new OpenMBeanConstructorInfo[]{};
 123         OpenMBeanOperationInfo[] operaInfos = new OpenMBeanOperationInfo[]{};
 124         MBeanNotificationInfo[] notifInfos = new MBeanNotificationInfo[]{};
 125 
 126         OpenMBeanInfo ominfo = new OpenMBeanInfoSupport(null, description, attrInfos, constrInfos, operaInfos, notifInfos);
 127         test(ominfo, "class name");
 128 
 129         ominfo = new OpenMBeanInfoSupport(className, null, attrInfos, constrInfos, operaInfos, notifInfos);
 130         test(ominfo, "description");
 131 
 132         ominfo = new OpenMBeanInfoSupport(className, description, null, constrInfos, operaInfos, notifInfos);
 133         test(ominfo, "attrInfos");
 134 
 135         ominfo = new OpenMBeanInfoSupport(className, description, attrInfos, null, operaInfos, notifInfos);
 136         test(ominfo, "constructor infos");
 137 
 138         ominfo = new OpenMBeanInfoSupport(className, description, attrInfos, constrInfos, null, notifInfos);
 139         test(ominfo, "operation infos");
 140 
 141         ominfo = new OpenMBeanInfoSupport(className, description, attrInfos, constrInfos, operaInfos, null);
 142         test(ominfo, "notif infos");
 143 
 144         if (failed > 0) {
 145             throw new RuntimeException("Test failed: "+failed);
 146         } else {
 147             System.out.println("---Test: PASSED");
 148         }
 149     }
 150 
 151     private static void test(Object obj, String param) {
 152         try {
 153             obj.hashCode();
 154             System.out.println("OK-1: "+obj.getClass().getSimpleName()+
 155                     ".hashCode worked with a null paramer: "+param);
 156         } catch (NullPointerException npe) {
 157             System.out.println("--->KO-1!!! "+obj.getClass().getSimpleName()+
 158                     ".hashCode got NPE with null paramer: "+param);
 159             npe.printStackTrace();
 160             failed++;
 161         }
 162 
 163         try {
 164             obj.toString();
 165             System.out.println("OK-1: "+obj.getClass().getSimpleName()+
 166                     ".toString worked with a null paramer: "+param);
 167         } catch (NullPointerException npe) {
 168             System.out.println("--->KO-1!!! "+obj.getClass().getSimpleName()+
 169                     ".toString got NPE with null paramer: "+param);
 170             npe.printStackTrace();
 171             failed++;
 172         }
 173     }
 174 }