1 /*
   2  * Copyright (c) 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 java.util.HashMap;
  25 import java.util.Map;
  26 import javax.management.openmbean.ArrayType;
  27 import javax.management.openmbean.CompositeData;
  28 import javax.management.openmbean.CompositeDataSupport;
  29 import javax.management.openmbean.CompositeType;
  30 import javax.management.openmbean.OpenDataException;
  31 import javax.management.openmbean.OpenType;
  32 import javax.management.openmbean.SimpleType;
  33 import sun.management.LazyCompositeData;
  34 
  35 /**
  36  * @test
  37  * @bug 8139870
  38  * @summary sun.management.LazyCompositeData.isTypeMatched() fails for composite types with items of ArrayType
  39  * @author Jaroslav Bachorik
  40  */
  41 
  42 public class LazyCompositeDataTest {
  43     private final static CompositeData dataV1, dataV2;
  44 
  45     static {
  46         try {
  47             // ***
  48             // prepare the composite types
  49 
  50             // composite type stored in an array; V1
  51             CompositeType subtypeV1 = new CompositeType(
  52                     "Subtype1",
  53                     "Version 1",
  54                     new String[]{"item1"},
  55                     new String[]{"Item 1"},
  56                     new OpenType<?>[]{
  57                         SimpleType.STRING
  58                     }
  59             );
  60 
  61             // composite type stored in an array; V2
  62             CompositeType subtypeV2 = new CompositeType(
  63                     "Subtype2",
  64                     "Version 2",
  65                     new String[]{"item1", "item2"},
  66                     new String[]{"Item 1", "Item 2"},
  67                     new OpenType<?>[]{
  68                         SimpleType.STRING,
  69                         SimpleType.INTEGER
  70                     }
  71             );
  72 
  73 
  74             // main composite type; V1
  75             // one of the items is array of 'subtypeV1' instances
  76             CompositeType typeV1 = new CompositeType(
  77                     "MyDataV1",
  78                     "Version 1",
  79                     new String[]{"item1", "item2"},
  80                     new String[]{"Item 1", "Item 2"},
  81                     new OpenType<?>[]{
  82                         SimpleType.STRING,
  83                         ArrayType.getArrayType(subtypeV1)
  84                     }
  85             );
  86 
  87             // main composite type; V2
  88             // one of the items is array of 'subtypeV2' instances
  89             CompositeType typeV2 = new CompositeType(
  90                     "MyDataV2",
  91                     "Version 2",
  92                     new String[]{"item1", "item2"},
  93                     new String[]{"Item 1", "Item 2"},
  94                     new OpenType<?>[]{
  95                         SimpleType.STRING,
  96                         ArrayType.getArrayType(subtypeV2)
  97                     }
  98             );
  99             // ***
 100 
 101             // ***
 102             // construct the data
 103             Map<String, Object> subitemsV1 = new HashMap<>();
 104             Map<String, Object> subitemsV2 = new HashMap<>();
 105 
 106             Map<String, Object> itemsV1 = new HashMap<>();
 107             Map<String, Object> itemsV2 = new HashMap<>();
 108 
 109             subitemsV1.put("item1", "item1");
 110             subitemsV2.put("item1", "item1");
 111             subitemsV2.put("item2", 42);
 112 
 113             itemsV1.put("item1", "item1");
 114             itemsV1.put("item2", new CompositeData[]{new CompositeDataSupport(subtypeV1, subitemsV1)});
 115 
 116             itemsV2.put("item1", "item1");
 117             itemsV2.put("item2", new CompositeData[]{new CompositeDataSupport(subtypeV2, subitemsV2)});
 118 
 119             dataV1 = new CompositeDataSupport(typeV1, itemsV1);
 120             dataV2 = new CompositeDataSupport(typeV2, itemsV2);
 121             // ***
 122         } catch (OpenDataException e) {
 123             throw new Error(e);
 124         }
 125     }
 126 
 127     private static class MyDataV1 extends LazyCompositeData {
 128         @Override
 129         protected CompositeData getCompositeData() {
 130             return dataV1;
 131         }
 132 
 133         public boolean isTypeMached(CompositeType type) {
 134             return isTypeMatched(this.getCompositeType(), type);
 135         }
 136     }
 137 
 138     private static class MyDataV2 extends LazyCompositeData {
 139         @Override
 140         protected CompositeData getCompositeData() {
 141             return dataV2;
 142         }
 143 
 144     }
 145 
 146     public static void main(String[] args) throws Exception {
 147         System.out.println("Checking LazyCompositeData.isTypeMatched()");
 148         MyDataV1 v1 = new MyDataV1();
 149         MyDataV2 v2 = new MyDataV2();
 150 
 151         if (!v1.isTypeMached(v2.getCompositeType())) {
 152             System.err.println("=== FAILED");
 153             System.err.println("V1 should be matched by V2");
 154             System.err.println("\n=== V1");
 155             System.err.println(v1.getCompositeType());
 156             System.err.println("\n=== V2");
 157             System.err.println(v2.getCompositeType());
 158             throw new Error();
 159         }
 160         System.out.println("=== PASSED");
 161     }
 162 }
 163