1 /*
   2  * Copyright (c) 2004, 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 4967769 4980655 4980668 4981214
  27  * @summary Test that ModelMBeanInfoSupport.setDescriptor rejects
  28  * null descriptor, that empty arrays are handled correctly,
  29  * that getDescriptors("mbean") works, and that default values for
  30  * MBean descriptors are correctly assigned.
  31  * @author Eamonn McManus
  32  * @run clean InfoSupportTest
  33  * @run build InfoSupportTest
  34  * @run main InfoSupportTest
  35  */
  36 
  37 import java.util.*;
  38 import javax.management.Descriptor;
  39 import javax.management.RuntimeOperationsException;
  40 import javax.management.modelmbean.*;
  41 
  42 public class InfoSupportTest {
  43     public static void main(String[] args) throws Exception {
  44         boolean ok = true;
  45 
  46         ok &= testSetDescriptorNull();
  47         ok &= testEmptyArrayParameters();
  48         ok &= testGetDescriptorsForMBean();
  49 
  50         if (ok)
  51             System.out.println("Test passed");
  52         else {
  53             System.out.println("TEST FAILED");
  54             System.exit(1);
  55         }
  56     }
  57 
  58     private static boolean testSetDescriptorNull() {
  59         System.out.println("Testing that " +
  60                            "ModelMBeanInfoSupport.setDescriptor(null, \"x\")" +
  61                            " throws an exception");
  62 
  63         ModelMBeanAttributeInfo mmbai =
  64             new ModelMBeanAttributeInfo("attribute",
  65                                         "java.lang.String",
  66                                         "an attribute",
  67                                         true, true, false);
  68         ModelMBeanInfo mmbi =
  69             new ModelMBeanInfoSupport("bogus.class.name",
  70                                       "an MBean",
  71                                       new ModelMBeanAttributeInfo[] {mmbai},
  72                                       null, null, null);
  73         try {
  74             mmbi.setDescriptor(null, "attribute");
  75         } catch (RuntimeOperationsException e) {
  76             if (e.getTargetException() instanceof IllegalArgumentException) {
  77                 System.out.println("Test passes: got a " +
  78                                    "RuntimeOperationsException wrapping an " +
  79                                    "IllegalArgumentException");
  80                 return true;
  81             } else {
  82                 System.out.println("TEST FAILS: wrong exception:");
  83                 e.printStackTrace(System.out);
  84                 return false;
  85             }
  86         } catch (Exception e) {
  87             System.out.println("TEST FAILS: wrong exception:");
  88             e.printStackTrace(System.out);
  89             return false;
  90         }
  91 
  92         System.out.println("TEST FAILS: exception not thrown");
  93         return false;
  94     }
  95 
  96     private static boolean testEmptyArrayParameters()
  97             throws Exception {
  98 
  99         System.out.println("Test that empty and null array parameters " +
 100                            "produce the right type from getters");
 101 
 102         boolean ok = true;
 103 
 104         ModelMBeanInfoSupport mmbi;
 105 
 106         mmbi =
 107             new ModelMBeanInfoSupport("bogus.class.name", "description",
 108                                       null, null, null, null);
 109         ok &= checkMMBI(mmbi, "null parameters, no descriptor");
 110 
 111         mmbi =
 112             new ModelMBeanInfoSupport("bogus.class.name", "description",
 113                                       null, null, null, null, null);
 114         ok &= checkMMBI(mmbi, "null parameters, null descriptor");
 115 
 116         mmbi =
 117             new ModelMBeanInfoSupport("bogus.class.name", "description",
 118                                       new ModelMBeanAttributeInfo[0],
 119                                       new ModelMBeanConstructorInfo[0],
 120                                       new ModelMBeanOperationInfo[0],
 121                                       new ModelMBeanNotificationInfo[0]);
 122         ok &= checkMMBI(mmbi, "empty parameters, no descriptor");
 123 
 124         mmbi =
 125             new ModelMBeanInfoSupport("bogus.class.name", "description",
 126                                       new ModelMBeanAttributeInfo[0],
 127                                       new ModelMBeanConstructorInfo[0],
 128                                       new ModelMBeanOperationInfo[0],
 129                                       new ModelMBeanNotificationInfo[0],
 130                                       null);
 131         ok &= checkMMBI(mmbi, "empty parameters, null descriptor");
 132 
 133         return ok;
 134     }
 135 
 136     private static boolean checkMMBI(ModelMBeanInfoSupport mmbi, String what)
 137             throws Exception {
 138         String bad = "";
 139 
 140         if (!(mmbi.getAttributes() instanceof ModelMBeanAttributeInfo[]))
 141             bad += " attributes";
 142         if (!(mmbi.getConstructors() instanceof ModelMBeanConstructorInfo[]))
 143             bad += " constructors";
 144         if (!(mmbi.getOperations() instanceof ModelMBeanOperationInfo[]))
 145             bad += " operations";
 146         if (!(mmbi.getNotifications() instanceof ModelMBeanNotificationInfo[]))
 147             bad += " notifications";
 148 
 149         if (bad.equals("")) {
 150             System.out.println("..." + what + ": OK");
 151             return true;
 152         } else {
 153             System.out.println("..." + what + ": FAILS for:" + bad);
 154             return false;
 155         }
 156     }
 157 
 158     private static boolean testGetDescriptorsForMBean()
 159             throws Exception {
 160         System.out.println("Test getDescriptors(\"mbean\")");
 161 
 162         boolean ok = true;
 163 
 164         ModelMBeanInfo mmbi;
 165         Descriptor[] mbeanDescrs;
 166 
 167         mmbi = new ModelMBeanInfoSupport("bogus.class.name", "description",
 168                                          null, null, null, null);
 169         try {
 170             mbeanDescrs = mmbi.getDescriptors("mbean");
 171             if (mbeanDescrs.length == 1 && mbeanDescrs[0] != null)
 172                 System.out.println("...default MBean descriptor: OK");
 173             else {
 174                 System.out.println("...default MBean descriptor: bad array: " +
 175                                    Arrays.asList(mbeanDescrs));
 176                 ok = false;
 177             }
 178         } catch (Exception e) {
 179             System.out.println("...default MBean descriptor: got exception:");
 180             e.printStackTrace(System.out);
 181             ok = false;
 182         }
 183 
 184         String[] fields = new String[] {"descriptorType", "name"};
 185         String[] values = new String[] {"mbean", "whatsit"};
 186         String[] defaultFields = new String[] {
 187             "displayName", "persistPolicy", "log", "visibility",
 188         };
 189         String[] defaultValues = new String[] {
 190             "bogus.class.name", "never", "F", "1",
 191         };
 192         Descriptor d = new DescriptorSupport(fields, values);
 193 
 194         mmbi = new ModelMBeanInfoSupport("bogus.class.name", "description",
 195                                          null, null, null, null, d);
 196         try {
 197             mbeanDescrs = mmbi.getDescriptors("mbean");
 198         } catch (Exception e) {
 199             System.out.println("...explicit MBean descriptor: got exception:");
 200             e.printStackTrace(System.out);
 201             mbeanDescrs = new Descriptor[] {mmbi.getMBeanDescriptor()};
 202         }
 203 
 204         if (mbeanDescrs.length == 1) {
 205             Descriptor dd = mbeanDescrs[0];
 206             boolean thisok = true;
 207 
 208             // Check that the fields we supplied survived in the copy
 209             // and were not changed in the original
 210             for (int i = 0; i < fields.length; i++) {
 211                 String field = fields[i];
 212                 String value;
 213                 value = (String) dd.getFieldValue(field);
 214                 if (!values[i].equals(value)) {
 215                     System.out.println("...explicit MBean descriptor: " +
 216                                        "value of " + field + " mutated: " +
 217                                        value);
 218                     thisok = false;
 219                 }
 220                 value = (String) d.getFieldValue(field);
 221                 if (!values[i].equals(value)) {
 222                     System.out.println("...explicit MBean descriptor: " +
 223                                        "value of " + field + " changed in " +
 224                                        "original: " + value);
 225                     thisok = false;
 226                 }
 227             }
 228 
 229             // Check that the default fields were added
 230             for (int i = 0; i < defaultFields.length; i++) {
 231                 String field = defaultFields[i];
 232                 String value = (String) dd.getFieldValue(field);
 233                 if (!defaultValues[i].equals(value)) {
 234                     System.out.println("...explicit MBean descriptor: " +
 235                                        "default value of " + field +
 236                                        " wrong: " + value + " should be " +
 237                                        defaultValues[i]);
 238                     thisok = false;
 239                 }
 240             }
 241 
 242             // Check that the original did not acquire new fields
 243             if (d.getFieldNames().length != fields.length) {
 244                 Collection c = new TreeSet(Arrays.asList(d.getFieldNames()));
 245                 c.removeAll(Arrays.asList(fields));
 246                 System.out.println("...explicit MBean descriptor: " +
 247                                    "acquired new fields: " + c);
 248                 thisok = false;
 249             }
 250 
 251             if (thisok)
 252                 System.out.println("...explicit MBean descriptor: OK");
 253             else
 254                 ok = false;
 255         } else {
 256             System.out.println("...explicit MBean descriptor: bad array: " +
 257                                Arrays.asList(mbeanDescrs));
 258             ok = false;
 259         }
 260 
 261         return ok;
 262     }
 263 }