117 lines
4.6 KiB
Java
117 lines
4.6 KiB
Java
/*
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* Copyright (c) 2017, 2019, 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 gc;
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import java.util.List;
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import java.lang.management.*;
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import static jdk.test.lib.Asserts.*;
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import java.util.stream.*;
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/* @test TestMemoryMXBeansAndPoolsPresenceG1
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* @bug 8191564
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* @summary Tests that GarbageCollectorMXBeans and GC MemoryPools are created.
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @requires vm.gc.G1
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* @run main/othervm -XX:+UseG1GC gc.TestMemoryMXBeansAndPoolsPresence G1
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*/
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/* @test TestMemoryMXBeansAndPoolsPresenceParallel
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* @bug 8191564
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* @summary Tests that GarbageCollectorMXBeans and GC MemoryPools are created.
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @requires vm.gc.Parallel
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* @run main/othervm -XX:+UseParallelGC gc.TestMemoryMXBeansAndPoolsPresence Parallel
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*/
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/* @test TestMemoryMXBeansAndPoolsPresenceSerial
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* @bug 8191564
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* @summary Tests that GarbageCollectorMXBeans and GC MemoryPools are created.
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @requires vm.gc.Serial
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* @run main/othervm -XX:+UseSerialGC gc.TestMemoryMXBeansAndPoolsPresence Serial
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*/
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class GCBeanDescription {
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public String name;
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public String[] poolNames;
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public GCBeanDescription(String name, String[] poolNames) {
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this.name = name;
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this.poolNames = poolNames;
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}
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}
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public class TestMemoryMXBeansAndPoolsPresence {
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public static void test(GCBeanDescription... expectedBeans) {
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List<MemoryPoolMXBean> memoryPools = ManagementFactory.getMemoryPoolMXBeans();
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List<GarbageCollectorMXBean> gcBeans = ManagementFactory.getGarbageCollectorMXBeans();
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assertEQ(expectedBeans.length, gcBeans.size());
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for (GCBeanDescription desc : expectedBeans) {
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List<GarbageCollectorMXBean> beans = gcBeans.stream()
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.filter(b -> b.getName().equals(desc.name))
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.collect(Collectors.toList());
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assertEQ(beans.size(), 1);
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GarbageCollectorMXBean bean = beans.get(0);
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assertEQ(desc.name, bean.getName());
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String[] pools = bean.getMemoryPoolNames();
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assertEQ(desc.poolNames.length, pools.length);
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for (int i = 0; i < desc.poolNames.length; i++) {
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assertEQ(desc.poolNames[i], pools[i]);
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}
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}
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}
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public static void main(String[] args) {
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switch (args[0]) {
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case "G1":
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test(new GCBeanDescription("G1 Young Generation", new String[] {"G1 Eden Space", "G1 Survivor Space", "G1 Old Gen"}),
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new GCBeanDescription("G1 Old Generation", new String[] {"G1 Eden Space", "G1 Survivor Space", "G1 Old Gen"}),
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new GCBeanDescription("G1 Concurrent GC", new String[] {"G1 Old Gen"}));
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break;
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case "Parallel":
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test(new GCBeanDescription("PS Scavenge", new String[] {"PS Eden Space", "PS Survivor Space"}),
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new GCBeanDescription("PS MarkSweep", new String[] {"PS Eden Space", "PS Survivor Space", "PS Old Gen"}));
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break;
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case "Serial":
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test(new GCBeanDescription("Copy", new String[] {"Eden Space", "Survivor Space"}),
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new GCBeanDescription("MarkSweepCompact", new String[] {"Eden Space", "Survivor Space", "Tenured Gen"}));
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break;
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default:
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assertTrue(false);
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break;
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}
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}
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}
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