| /* |
| * Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4982289 |
| * @summary Test MemoryUsage.from() method to return a valid MemoryUsage |
| * or throw exception if the input CompositeData is invalid. |
| * @author Mandy Chung |
| * |
| * @build MemoryUsageCompositeData |
| * @run main MemoryUsageCompositeData |
| */ |
| |
| import javax.management.openmbean.*; |
| import java.lang.management.MemoryUsage; |
| |
| public class MemoryUsageCompositeData { |
| public static void main(String[] argv) throws Exception { |
| createGoodCompositeData(); |
| badTypeCompositeData(); |
| badNameCompositeData(); |
| System.out.println("Test passed"); |
| } |
| |
| public static void createGoodCompositeData() throws Exception { |
| final int K = 1024; |
| // these values are synchronized with the item names |
| final Object[] values = { |
| new Long(5 * K), // committed |
| new Long(1 * K), // init |
| new Long(10 * K), // max |
| new Long(2 * K), // used |
| "Dummy", |
| "Dummy", |
| }; |
| |
| CompositeType muct = |
| new CompositeType("MyMemoryUsageCompositeType", |
| "CompositeType for MemoryUsage", |
| memoryUsageItemNames, |
| memoryUsageItemNames, |
| memoryUsageItemTypes); |
| CompositeData cd = |
| new CompositeDataSupport(muct, |
| memoryUsageItemNames, |
| values); |
| MemoryUsage u = MemoryUsage.from(cd); |
| if (u.getInit() != ((Long) values[INIT]).longValue()) { |
| throw new RuntimeException("init = " + u.getInit() + |
| " expected = " + values[INIT]); |
| } |
| if (u.getUsed() != ((Long) values[USED]).longValue()) { |
| throw new RuntimeException("used = " + u.getUsed() + |
| " expected = " + values[USED]); |
| } |
| if (u.getCommitted() != ((Long) values[COMMITTED]).longValue()) { |
| throw new RuntimeException("committed = " + u.getCommitted() + |
| " expected = " + values[COMMITTED]); |
| } |
| if (u.getMax() != ((Long) values[MAX]).longValue()) { |
| throw new RuntimeException("max = " + u.getMax() + |
| " expected = " + values[MAX]); |
| } |
| System.out.println(u); |
| } |
| |
| public static void badTypeCompositeData() throws Exception { |
| final int K = 1024; |
| final Object[] values = { |
| new Integer(5 * K), |
| new Long(1 * K), |
| new Long(10 * K), |
| new Long(2 * K), |
| "Dummy", |
| "Dummy", |
| }; |
| |
| CompositeType muct = |
| new CompositeType("MyMemoryUsageCompositeType", |
| "CompositeType for MemoryUsage", |
| memoryUsageItemNames, |
| memoryUsageItemNames, |
| badMUItemTypes); |
| CompositeData cd = |
| new CompositeDataSupport(muct, |
| memoryUsageItemNames, |
| values); |
| try { |
| MemoryUsage u = MemoryUsage.from(cd); |
| } catch (IllegalArgumentException e) { |
| System.out.println("Expected exception: " + |
| e.getMessage()); |
| return; |
| } |
| throw new RuntimeException( |
| "IllegalArgumentException not thrown"); |
| } |
| |
| public static void badNameCompositeData() throws Exception { |
| final int K = 1024; |
| final Object[] values = { |
| new Long(5 * K), |
| new Long(1 * K), |
| new Long(10 * K), |
| new Long(2 * K), |
| "Dummy", |
| "Dummy", |
| }; |
| |
| CompositeType muct = |
| new CompositeType("MyMemoryUsageCompositeType", |
| "CompositeType for MemoryUsage", |
| badMUItemNames, |
| badMUItemNames, |
| memoryUsageItemTypes); |
| CompositeData cd = |
| new CompositeDataSupport(muct, |
| badMUItemNames, |
| values); |
| try { |
| MemoryUsage u = MemoryUsage.from(cd); |
| } catch (IllegalArgumentException e) { |
| System.out.println("Expected exception: " + |
| e.getMessage()); |
| return; |
| } |
| throw new RuntimeException( |
| "IllegalArgumentException not thrown"); |
| } |
| |
| private static final int COMMITTED = 0; |
| private static final int INIT = 1; |
| private static final int MAX = 2; |
| private static final int USED = 3; |
| private static final String[] memoryUsageItemNames = { |
| "committed", |
| "init", |
| "max", |
| "used", |
| "dummy1", |
| "dummy2", |
| }; |
| private static final OpenType[] memoryUsageItemTypes = { |
| SimpleType.LONG, |
| SimpleType.LONG, |
| SimpleType.LONG, |
| SimpleType.LONG, |
| SimpleType.STRING, |
| SimpleType.STRING, |
| }; |
| private static final String[] badMUItemNames = { |
| "Committed", |
| "Init", |
| "max", |
| "used", |
| "dummy1", |
| "dummy2", |
| }; |
| private static final OpenType[] badMUItemTypes = { |
| SimpleType.INTEGER, |
| SimpleType.LONG, |
| SimpleType.LONG, |
| SimpleType.LONG, |
| SimpleType.STRING, |
| SimpleType.STRING, |
| }; |
| } |