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