src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/HotSpotGraalManagementTest.java
author dlong
Tue, 24 Apr 2018 09:04:57 -0700
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child 50858 2d3e99a72541
permissions -rw-r--r--
8199755: Update Graal Reviewed-by: kvn
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/*
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 * Copyright (c) 2013, 2017, 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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package org.graalvm.compiler.hotspot.test;
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import static org.graalvm.compiler.hotspot.test.HotSpotGraalManagementTest.JunitShield.findAttributeInfo;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertTrue;
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import java.io.File;
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import java.io.IOException;
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import java.lang.management.ManagementFactory;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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import javax.management.Attribute;
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import javax.management.AttributeList;
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import javax.management.AttributeNotFoundException;
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import javax.management.InvalidAttributeValueException;
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import javax.management.MBeanAttributeInfo;
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import javax.management.MBeanInfo;
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import javax.management.MBeanOperationInfo;
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import javax.management.MBeanServer;
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import javax.management.MBeanServerFactory;
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import javax.management.ObjectInstance;
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import javax.management.ObjectName;
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import org.graalvm.compiler.api.test.Graal;
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import org.graalvm.compiler.hotspot.HotSpotGraalManagementRegistration;
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import org.graalvm.compiler.hotspot.HotSpotGraalRuntime;
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import org.graalvm.compiler.options.EnumOptionKey;
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import org.graalvm.compiler.options.NestedBooleanOptionKey;
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import org.graalvm.compiler.options.OptionDescriptor;
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import org.graalvm.compiler.options.OptionDescriptors;
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import org.graalvm.compiler.options.OptionKey;
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import org.graalvm.compiler.options.OptionsParser;
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import org.junit.Assert;
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import org.junit.AssumptionViolatedException;
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import org.junit.Test;
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public class HotSpotGraalManagementTest {
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    private static final boolean DEBUG = Boolean.getBoolean(HotSpotGraalManagementTest.class.getSimpleName() + ".debug");
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    public HotSpotGraalManagementTest() {
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        try {
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            MBeanServerFactory.findMBeanServer(null);
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        } catch (NoClassDefFoundError e) {
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            throw new AssumptionViolatedException("Management classes/module(s) not available: " + e);
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        }
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    }
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    @Test
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    public void registration() throws Exception {
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        HotSpotGraalRuntime runtime = (HotSpotGraalRuntime) Graal.getRuntime();
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        HotSpotGraalManagementRegistration management = runtime.getManagement();
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        if (management == null) {
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            return;
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        }
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        MBeanServer server = ManagementFactory.getPlatformMBeanServer();
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        ObjectName name;
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        assertNotNull("Now the bean thinks it is registered", name = (ObjectName) management.poll(true));
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        assertNotNull("And the bean is found", server.getObjectInstance(name));
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    }
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    @Test
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    public void readBeanInfo() throws Exception {
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        assertNotNull("Server is started", ManagementFactory.getPlatformMBeanServer());
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        HotSpotGraalRuntime runtime = (HotSpotGraalRuntime) Graal.getRuntime();
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        HotSpotGraalManagementRegistration management = runtime.getManagement();
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        if (management == null) {
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            return;
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        }
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        ObjectName mbeanName;
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        assertNotNull("Bean is registered", mbeanName = (ObjectName) management.poll(true));
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        final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
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        ObjectInstance bean = server.getObjectInstance(mbeanName);
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        assertNotNull("Bean is registered", bean);
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        MBeanInfo info = server.getMBeanInfo(mbeanName);
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        assertNotNull("Info is found", info);
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        AttributeList originalValues = new AttributeList();
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        AttributeList newValues = new AttributeList();
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        for (OptionDescriptors set : OptionsParser.getOptionsLoader()) {
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            for (OptionDescriptor option : set) {
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                JunitShield.testOption(info, mbeanName, server, runtime, option, newValues, originalValues);
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            }
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        }
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        String[] attributeNames = new String[originalValues.size()];
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        for (int i = 0; i < attributeNames.length; i++) {
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            attributeNames[i] = ((Attribute) originalValues.get(i)).getName();
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        }
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        AttributeList actualValues = server.getAttributes(mbeanName, attributeNames);
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        assertEquals(originalValues.size(), actualValues.size());
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        for (int i = 0; i < attributeNames.length; i++) {
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            Object expect = String.valueOf(((Attribute) originalValues.get(i)).getValue());
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            Object actual = String.valueOf(((Attribute) actualValues.get(i)).getValue());
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            assertEquals(attributeNames[i], expect, actual);
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        }
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        try {
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            server.setAttributes(mbeanName, newValues);
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        } finally {
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            server.setAttributes(mbeanName, originalValues);
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        }
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    }
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    /**
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     * Junit scans all methods of a test class and tries to resolve all method parameter and return
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     * types. We hide such methods in an inner class to prevent errors such as:
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     *
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     * <pre>
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     * java.lang.NoClassDefFoundError: javax/management/MBeanInfo
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     *     at java.base/java.lang.Class.getDeclaredMethods0(Native Method)
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     *     at java.base/java.lang.Class.privateGetDeclaredMethods(Class.java:3119)
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     *     at java.base/java.lang.Class.getDeclaredMethods(Class.java:2268)
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     *     at org.junit.internal.MethodSorter.getDeclaredMethods(MethodSorter.java:54)
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     *     at org.junit.runners.model.TestClass.scanAnnotatedMembers(TestClass.java:65)
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     *     at org.junit.runners.model.TestClass.<init>(TestClass.java:57)
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     *
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     * </pre>
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     */
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    static class JunitShield {
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        /**
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         * Tests changing the value of {@code option} via the management interface to a) a new legal
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         * value and b) an illegal value.
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         */
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        static void testOption(MBeanInfo mbeanInfo,
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                        ObjectName mbeanName,
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                        MBeanServer server,
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                        HotSpotGraalRuntime runtime,
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                        OptionDescriptor option,
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                        AttributeList newValues,
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                        AttributeList originalValues) throws Exception {
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            OptionKey<?> optionKey = option.getOptionKey();
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            Object currentValue = optionKey.getValue(runtime.getOptions());
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            Class<?> optionType = option.getOptionValueType();
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            String name = option.getName();
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            if (DEBUG) {
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                System.out.println("Testing option " + name);
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            }
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            MBeanAttributeInfo attrInfo = findAttributeInfo(name, mbeanInfo);
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            assertNotNull("Attribute not found for option " + name, attrInfo);
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            String expectAttributeValue = stringValue(currentValue, option.getOptionValueType() == String.class);
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            Object actualAttributeValue = server.getAttribute(mbeanName, name);
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            assertEquals(expectAttributeValue, actualAttributeValue);
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   184
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parents:
diff changeset
   185
            Map<String, String> legalValues = new HashMap<>();
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dlong
parents:
diff changeset
   186
            List<String> illegalValues = new ArrayList<>();
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dlong
parents:
diff changeset
   187
            if (optionKey instanceof EnumOptionKey) {
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dlong
parents:
diff changeset
   188
                EnumOptionKey<?> enumOptionKey = (EnumOptionKey<?>) optionKey;
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dlong
parents:
diff changeset
   189
                for (Object obj : enumOptionKey.getAllValues()) {
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parents:
diff changeset
   190
                    if (obj != currentValue) {
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parents:
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                        legalValues.put(obj.toString(), obj.toString());
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parents:
diff changeset
   192
                    }
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dlong
parents:
diff changeset
   193
                }
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parents:
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   194
                illegalValues.add(String.valueOf(42));
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parents:
diff changeset
   195
            } else if (optionType == Boolean.class) {
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parents:
diff changeset
   196
                Object defaultValue;
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parents:
diff changeset
   197
                if (optionKey instanceof NestedBooleanOptionKey) {
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dlong
parents:
diff changeset
   198
                    NestedBooleanOptionKey nbok = (NestedBooleanOptionKey) optionKey;
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   199
                    defaultValue = nbok.getMasterOption().getValue(runtime.getOptions());
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parents:
diff changeset
   200
                } else {
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   201
                    defaultValue = optionKey.getDefaultValue();
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parents:
diff changeset
   202
                }
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dlong
parents:
diff changeset
   203
                legalValues.put("", unquotedStringValue(defaultValue));
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dlong
parents:
diff changeset
   204
                illegalValues.add(String.valueOf(42));
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dlong
parents:
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   205
                illegalValues.add("true");
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dlong
parents:
diff changeset
   206
                illegalValues.add("false");
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dlong
parents:
diff changeset
   207
            } else if (optionType == String.class) {
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parents:
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                legalValues.put("", quotedStringValue(optionKey.getDefaultValue()));
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dlong
parents:
diff changeset
   209
                legalValues.put("\"" + currentValue + "Prime\"", "\"" + currentValue + "Prime\"");
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dlong
parents:
diff changeset
   210
                legalValues.put("\"quoted string\"", "\"quoted string\"");
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dlong
parents:
diff changeset
   211
                illegalValues.add("\"unbalanced quotes");
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dlong
parents:
diff changeset
   212
                illegalValues.add("\"");
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dlong
parents:
diff changeset
   213
                illegalValues.add("non quoted string");
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dlong
parents:
diff changeset
   214
            } else if (optionType == Float.class) {
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parents:
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   215
                legalValues.put("", unquotedStringValue(optionKey.getDefaultValue()));
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dlong
parents:
diff changeset
   216
                String value = unquotedStringValue(currentValue == null ? 33F : ((float) currentValue) + 11F);
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dlong
parents:
diff changeset
   217
                legalValues.put(value, value);
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dlong
parents:
diff changeset
   218
                illegalValues.add("string");
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dlong
parents:
diff changeset
   219
            } else if (optionType == Double.class) {
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dlong
parents:
diff changeset
   220
                legalValues.put("", unquotedStringValue(optionKey.getDefaultValue()));
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dlong
parents:
diff changeset
   221
                String value = unquotedStringValue(currentValue == null ? 33D : ((double) currentValue) + 11D);
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dlong
parents:
diff changeset
   222
                legalValues.put(value, value);
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dlong
parents:
diff changeset
   223
                illegalValues.add("string");
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dlong
parents:
diff changeset
   224
            } else if (optionType == Integer.class) {
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dlong
parents:
diff changeset
   225
                legalValues.put("", unquotedStringValue(optionKey.getDefaultValue()));
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dlong
parents:
diff changeset
   226
                String value = unquotedStringValue(currentValue == null ? 33 : ((int) currentValue) + 11);
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dlong
parents:
diff changeset
   227
                legalValues.put(value, value);
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dlong
parents:
diff changeset
   228
                illegalValues.add("42.42");
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dlong
parents:
diff changeset
   229
                illegalValues.add("string");
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dlong
parents:
diff changeset
   230
            } else if (optionType == Long.class) {
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dlong
parents:
diff changeset
   231
                legalValues.put("", unquotedStringValue(optionKey.getDefaultValue()));
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dlong
parents:
diff changeset
   232
                String value = unquotedStringValue(currentValue == null ? 33L : ((long) currentValue) + 11L);
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dlong
parents:
diff changeset
   233
                legalValues.put(value, value);
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dlong
parents:
diff changeset
   234
                illegalValues.add("42.42");
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dlong
parents:
diff changeset
   235
                illegalValues.add("string");
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dlong
parents:
diff changeset
   236
            }
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dlong
parents:
diff changeset
   237
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dlong
parents:
diff changeset
   238
            Attribute originalAttributeValue = new Attribute(name, expectAttributeValue);
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dlong
parents:
diff changeset
   239
            try {
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dlong
parents:
diff changeset
   240
                for (Map.Entry<String, String> e : legalValues.entrySet()) {
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dlong
parents:
diff changeset
   241
                    String legalValue = e.getKey();
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dlong
parents:
diff changeset
   242
                    if (DEBUG) {
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dlong
parents:
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   243
                        System.out.printf("Changing %s from %s to %s%n", name, currentValue, legalValue);
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dlong
parents:
diff changeset
   244
                    }
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dlong
parents:
diff changeset
   245
                    Attribute newAttributeValue = new Attribute(name, legalValue);
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dlong
parents:
diff changeset
   246
                    newValues.add(newAttributeValue);
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dlong
parents:
diff changeset
   247
                    server.setAttribute(mbeanName, newAttributeValue);
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dlong
parents:
diff changeset
   248
                    Object actual = optionKey.getValue(runtime.getOptions());
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dlong
parents:
diff changeset
   249
                    actual = server.getAttribute(mbeanName, name);
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dlong
parents:
diff changeset
   250
                    String expectValue = e.getValue();
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dlong
parents:
diff changeset
   251
                    if (option.getOptionValueType() == String.class && expectValue == null) {
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dlong
parents:
diff changeset
   252
                        expectValue = "";
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dlong
parents:
diff changeset
   253
                    } else if (option.getOptionKey() instanceof NestedBooleanOptionKey && null == expectValue) {
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dlong
parents:
diff changeset
   254
                        NestedBooleanOptionKey nbok = (NestedBooleanOptionKey) option.getOptionKey();
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dlong
parents:
diff changeset
   255
                        expectValue = String.valueOf(nbok.getValue(runtime.getOptions()));
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dlong
parents:
diff changeset
   256
                        actual = server.getAttribute(mbeanName, name);
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dlong
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diff changeset
   257
                    }
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dlong
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   258
                    assertEquals(expectValue, actual);
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dlong
parents:
diff changeset
   259
                }
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dlong
parents:
diff changeset
   260
            } finally {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   261
                if (DEBUG) {
26ebfe8ce852 8199755: Update Graal
dlong
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   262
                    System.out.printf("Resetting %s to %s%n", name, currentValue);
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dlong
parents:
diff changeset
   263
                }
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dlong
parents:
diff changeset
   264
                originalValues.add(originalAttributeValue);
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dlong
parents:
diff changeset
   265
                server.setAttribute(mbeanName, originalAttributeValue);
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dlong
parents:
diff changeset
   266
            }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   267
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dlong
parents:
diff changeset
   268
            try {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   269
                for (Object illegalValue : illegalValues) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   270
                    if (DEBUG) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   271
                        System.out.printf("Changing %s from %s to illegal value %s%n", name, currentValue, illegalValue);
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dlong
parents:
diff changeset
   272
                    }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   273
                    server.setAttribute(mbeanName, new Attribute(name, illegalValue));
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dlong
parents:
diff changeset
   274
                    Assert.fail("Expected setting " + name + " to " + illegalValue + " to fail");
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dlong
parents:
diff changeset
   275
                }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   276
            } catch (InvalidAttributeValueException e) {
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dlong
parents:
diff changeset
   277
                // Expected
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dlong
parents:
diff changeset
   278
            } finally {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   279
                if (DEBUG) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   280
                    System.out.printf("Resetting %s to %s%n", name, currentValue);
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   281
                }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   282
                server.setAttribute(mbeanName, originalAttributeValue);
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dlong
parents:
diff changeset
   283
            }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   284
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   285
            try {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   286
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   287
                String unknownOptionName = "definitely not an option name";
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dlong
parents:
diff changeset
   288
                server.setAttribute(mbeanName, new Attribute(unknownOptionName, ""));
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dlong
parents:
diff changeset
   289
                Assert.fail("Expected setting option with name \"" + unknownOptionName + "\" to fail");
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dlong
parents:
diff changeset
   290
            } catch (AttributeNotFoundException e) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   291
                // Expected
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dlong
parents:
diff changeset
   292
            }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   293
        }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   294
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   295
        static MBeanAttributeInfo findAttributeInfo(String attrName, MBeanInfo info) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   296
            for (MBeanAttributeInfo attr : info.getAttributes()) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   297
                if (attr.getName().equals(attrName)) {
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dlong
parents:
diff changeset
   298
                    assertTrue("Readable", attr.isReadable());
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dlong
parents:
diff changeset
   299
                    assertTrue("Writable", attr.isWritable());
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dlong
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diff changeset
   300
                    return attr;
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dlong
parents:
diff changeset
   301
                }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   302
            }
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dlong
parents:
diff changeset
   303
            return null;
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dlong
parents:
diff changeset
   304
        }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   305
    }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   306
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   307
    private static String quotedStringValue(Object optionValue) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   308
        return stringValue(optionValue, true);
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   309
    }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   310
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   311
    private static String unquotedStringValue(Object optionValue) {
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dlong
parents:
diff changeset
   312
        return stringValue(optionValue, false);
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   313
    }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   314
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   315
    private static String stringValue(Object optionValue, boolean withQuoting) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   316
        if (optionValue == null) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   317
            return "";
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   318
        }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   319
        if (withQuoting) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   320
            return "\"" + optionValue + "\"";
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   321
        }
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dlong
parents:
diff changeset
   322
        return String.valueOf(optionValue);
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dlong
parents:
diff changeset
   323
    }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   324
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   325
    private static String quoted(Object s) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   326
        return "\"" + s + "\"";
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   327
    }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   328
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   329
    /**
26ebfe8ce852 8199755: Update Graal
dlong
parents:
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   330
     * Tests publicaly visible names and identifiers used by tools developed and distributed on an
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   331
     * independent schedule (like VisualVM). Consider keeping the test passing without any semantic
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   332
     * modifications. The cost of changes is higher than you estimate. Include all available
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   333
     * stakeholders as reviewers to give them a chance to stop you before causing too much damage.
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dlong
parents:
diff changeset
   334
     */
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dlong
parents:
diff changeset
   335
    @Test
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parents:
diff changeset
   336
    public void publicJmxApiOfGraalDumpOperation() throws Exception {
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dlong
parents:
diff changeset
   337
        assertNotNull("Server is started", ManagementFactory.getPlatformMBeanServer());
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dlong
parents:
diff changeset
   338
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   339
        HotSpotGraalRuntime runtime = (HotSpotGraalRuntime) Graal.getRuntime();
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   340
        HotSpotGraalManagementRegistration management = runtime.getManagement();
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   341
        if (management == null) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   342
            return;
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   343
        }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   344
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   345
        ObjectName mbeanName;
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dlong
parents:
diff changeset
   346
        assertNotNull("Bean is registered", mbeanName = (ObjectName) management.poll(true));
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dlong
parents:
diff changeset
   347
        final MBeanServer server = ManagementFactory.getPlatformMBeanServer();
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   348
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   349
        assertEquals("Domain name is used to lookup the beans by VisualVM", "org.graalvm.compiler.hotspot", mbeanName.getDomain());
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dlong
parents:
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   350
        assertEquals("type can be used to identify the Graal bean", "HotSpotGraalRuntime_VM", mbeanName.getKeyProperty("type"));
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dlong
parents:
diff changeset
   351
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   352
        ObjectInstance bean = server.getObjectInstance(mbeanName);
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dlong
parents:
diff changeset
   353
        assertNotNull("Bean is registered", bean);
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dlong
parents:
diff changeset
   354
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   355
        MBeanInfo info = server.getMBeanInfo(mbeanName);
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dlong
parents:
diff changeset
   356
        assertNotNull("Info is found", info);
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dlong
parents:
diff changeset
   357
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   358
        final MBeanOperationInfo[] arr = info.getOperations();
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dlong
parents:
diff changeset
   359
        assertEquals("Currently three overloads", 3, arr.length);
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dlong
parents:
diff changeset
   360
        MBeanOperationInfo dumpOp = null;
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   361
        for (int i = 0; i < arr.length; i++) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   362
            assertEquals("dumpMethod", arr[i].getName());
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   363
            if (arr[i].getSignature().length == 3) {
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   364
                dumpOp = arr[i];
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   365
            }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   366
        }
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   367
        assertNotNull("three args variant (as used by VisualVM) found", dumpOp);
26ebfe8ce852 8199755: Update Graal
dlong
parents:
diff changeset
   368
26ebfe8ce852 8199755: Update Graal
dlong
parents:
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   369
        MBeanAttributeInfo dumpPath = findAttributeInfo("DumpPath", info);
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parents:
diff changeset
   370
        MBeanAttributeInfo printGraphFile = findAttributeInfo("PrintGraphFile", info);
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parents:
diff changeset
   371
        MBeanAttributeInfo showDumpFiles = findAttributeInfo("ShowDumpFiles", info);
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dlong
parents:
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   372
        Object originalDumpPath = server.getAttribute(mbeanName, dumpPath.getName());
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dlong
parents:
diff changeset
   373
        Object originalPrintGraphFile = server.getAttribute(mbeanName, printGraphFile.getName());
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dlong
parents:
diff changeset
   374
        Object originalShowDumpFiles = server.getAttribute(mbeanName, showDumpFiles.getName());
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dlong
parents:
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   375
        final File tmpDir = new File(HotSpotGraalManagementTest.class.getSimpleName() + "_" + System.currentTimeMillis()).getAbsoluteFile();
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dlong
parents:
diff changeset
   376
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parents:
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   377
        server.setAttribute(mbeanName, new Attribute(dumpPath.getName(), quoted(tmpDir)));
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parents:
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   378
        // Force output to a file even if there's a running IGV instance available.
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   379
        server.setAttribute(mbeanName, new Attribute(printGraphFile.getName(), true));
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dlong
parents:
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   380
        server.setAttribute(mbeanName, new Attribute(showDumpFiles.getName(), false));
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dlong
parents:
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   381
        Object[] params = {"java.util.Arrays", "asList", ":3"};
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parents:
diff changeset
   382
        try {
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   383
            server.invoke(mbeanName, "dumpMethod", params, null);
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dlong
parents:
diff changeset
   384
            boolean found = false;
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parents:
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   385
            String expectedIgvDumpSuffix = "[Arrays.asList(Object[])List].bgv";
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dlong
parents:
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   386
            List<String> dumpPathEntries = Arrays.asList(tmpDir.list());
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dlong
parents:
diff changeset
   387
            for (String entry : dumpPathEntries) {
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parents:
diff changeset
   388
                if (entry.endsWith(expectedIgvDumpSuffix)) {
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   389
                    found = true;
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parents:
diff changeset
   390
                }
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dlong
parents:
diff changeset
   391
            }
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dlong
parents:
diff changeset
   392
            if (!found) {
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   393
                Assert.fail(String.format("Expected file ending with \"%s\" in %s but only found:%n%s", expectedIgvDumpSuffix, tmpDir,
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   394
                                dumpPathEntries.stream().collect(Collectors.joining(System.lineSeparator()))));
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parents:
diff changeset
   395
            }
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parents:
diff changeset
   396
        } finally {
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   397
            deleteDirectory(tmpDir.toPath());
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dlong
parents:
diff changeset
   398
            server.setAttribute(mbeanName, new Attribute(dumpPath.getName(), originalDumpPath));
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dlong
parents:
diff changeset
   399
            server.setAttribute(mbeanName, new Attribute(printGraphFile.getName(), originalPrintGraphFile));
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dlong
parents:
diff changeset
   400
            server.setAttribute(mbeanName, new Attribute(showDumpFiles.getName(), originalShowDumpFiles));
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dlong
parents:
diff changeset
   401
        }
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dlong
parents:
diff changeset
   402
    }
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dlong
parents:
diff changeset
   403
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dlong
parents:
diff changeset
   404
    static void deleteDirectory(Path toDelete) throws IOException {
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dlong
parents:
diff changeset
   405
        Files.walk(toDelete).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete);
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dlong
parents:
diff changeset
   406
    }
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dlong
parents:
diff changeset
   407
}