J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4982289 |
| 27 | * @summary Test MemoryUsage.from() method to return a valid MemoryUsage |
| 28 | * or throw exception if the input CompositeData is invalid. |
| 29 | * @author Mandy Chung |
| 30 | * |
| 31 | * @build MemoryUsageCompositeData |
| 32 | * @run main MemoryUsageCompositeData |
| 33 | */ |
| 34 | |
| 35 | import javax.management.openmbean.*; |
| 36 | import java.lang.management.MemoryUsage; |
| 37 | |
| 38 | public class MemoryUsageCompositeData { |
| 39 | public static void main(String[] argv) throws Exception { |
| 40 | createGoodCompositeData(); |
| 41 | badTypeCompositeData(); |
| 42 | badNameCompositeData(); |
| 43 | System.out.println("Test passed"); |
| 44 | } |
| 45 | |
| 46 | public static void createGoodCompositeData() throws Exception { |
| 47 | final int K = 1024; |
| 48 | // these values are synchronized with the item names |
| 49 | final Object[] values = { |
| 50 | new Long(5 * K), // committed |
| 51 | new Long(1 * K), // init |
| 52 | new Long(10 * K), // max |
| 53 | new Long(2 * K), // used |
| 54 | "Dummy", |
| 55 | "Dummy", |
| 56 | }; |
| 57 | |
| 58 | CompositeType muct = |
| 59 | new CompositeType("MyMemoryUsageCompositeType", |
| 60 | "CompositeType for MemoryUsage", |
| 61 | memoryUsageItemNames, |
| 62 | memoryUsageItemNames, |
| 63 | memoryUsageItemTypes); |
| 64 | CompositeData cd = |
| 65 | new CompositeDataSupport(muct, |
| 66 | memoryUsageItemNames, |
| 67 | values); |
| 68 | MemoryUsage u = MemoryUsage.from(cd); |
| 69 | if (u.getInit() != ((Long) values[INIT]).longValue()) { |
| 70 | throw new RuntimeException("init = " + u.getInit() + |
| 71 | " expected = " + values[INIT]); |
| 72 | } |
| 73 | if (u.getUsed() != ((Long) values[USED]).longValue()) { |
| 74 | throw new RuntimeException("used = " + u.getUsed() + |
| 75 | " expected = " + values[USED]); |
| 76 | } |
| 77 | if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) { |
| 78 | throw new RuntimeException("committed = " + u.getCommitted() + |
| 79 | " expected = " + values[COMMITTED]); |
| 80 | } |
| 81 | if (u.getMax() != ((Long) values[MAX]).longValue()) { |
| 82 | throw new RuntimeException("max = " + u.getMax() + |
| 83 | " expected = " + values[MAX]); |
| 84 | } |
| 85 | System.out.println(u); |
| 86 | } |
| 87 | |
| 88 | public static void badTypeCompositeData() throws Exception { |
| 89 | final int K = 1024; |
| 90 | final Object[] values = { |
| 91 | new Integer(5 * K), |
| 92 | new Long(1 * K), |
| 93 | new Long(10 * K), |
| 94 | new Long(2 * K), |
| 95 | "Dummy", |
| 96 | "Dummy", |
| 97 | }; |
| 98 | |
| 99 | CompositeType muct = |
| 100 | new CompositeType("MyMemoryUsageCompositeType", |
| 101 | "CompositeType for MemoryUsage", |
| 102 | memoryUsageItemNames, |
| 103 | memoryUsageItemNames, |
| 104 | badMUItemTypes); |
| 105 | CompositeData cd = |
| 106 | new CompositeDataSupport(muct, |
| 107 | memoryUsageItemNames, |
| 108 | values); |
| 109 | try { |
| 110 | MemoryUsage u = MemoryUsage.from(cd); |
| 111 | } catch (IllegalArgumentException e) { |
| 112 | System.out.println("Expected exception: " + |
| 113 | e.getMessage()); |
| 114 | return; |
| 115 | } |
| 116 | throw new RuntimeException( |
| 117 | "IllegalArgumentException not thrown"); |
| 118 | } |
| 119 | |
| 120 | public static void badNameCompositeData() throws Exception { |
| 121 | final int K = 1024; |
| 122 | final Object[] values = { |
| 123 | new Long(5 * K), |
| 124 | new Long(1 * K), |
| 125 | new Long(10 * K), |
| 126 | new Long(2 * K), |
| 127 | "Dummy", |
| 128 | "Dummy", |
| 129 | }; |
| 130 | |
| 131 | CompositeType muct = |
| 132 | new CompositeType("MyMemoryUsageCompositeType", |
| 133 | "CompositeType for MemoryUsage", |
| 134 | badMUItemNames, |
| 135 | badMUItemNames, |
| 136 | memoryUsageItemTypes); |
| 137 | CompositeData cd = |
| 138 | new CompositeDataSupport(muct, |
| 139 | badMUItemNames, |
| 140 | values); |
| 141 | try { |
| 142 | MemoryUsage u = MemoryUsage.from(cd); |
| 143 | } catch (IllegalArgumentException e) { |
| 144 | System.out.println("Expected exception: " + |
| 145 | e.getMessage()); |
| 146 | return; |
| 147 | } |
| 148 | throw new RuntimeException( |
| 149 | "IllegalArgumentException not thrown"); |
| 150 | } |
| 151 | |
| 152 | private static final int COMMITTED = 0; |
| 153 | private static final int INIT = 1; |
| 154 | private static final int MAX = 2; |
| 155 | private static final int USED = 3; |
| 156 | private static final String[] memoryUsageItemNames = { |
| 157 | "committed", |
| 158 | "init", |
| 159 | "max", |
| 160 | "used", |
| 161 | "dummy1", |
| 162 | "dummy2", |
| 163 | }; |
| 164 | private static final OpenType[] memoryUsageItemTypes = { |
| 165 | SimpleType.LONG, |
| 166 | SimpleType.LONG, |
| 167 | SimpleType.LONG, |
| 168 | SimpleType.LONG, |
| 169 | SimpleType.STRING, |
| 170 | SimpleType.STRING, |
| 171 | }; |
| 172 | private static final String[] badMUItemNames = { |
| 173 | "Committed", |
| 174 | "Init", |
| 175 | "max", |
| 176 | "used", |
| 177 | "dummy1", |
| 178 | "dummy2", |
| 179 | }; |
| 180 | private static final OpenType[] badMUItemTypes = { |
| 181 | SimpleType.INTEGER, |
| 182 | SimpleType.LONG, |
| 183 | SimpleType.LONG, |
| 184 | SimpleType.LONG, |
| 185 | SimpleType.STRING, |
| 186 | SimpleType.STRING, |
| 187 | }; |
| 188 | } |