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/*
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* Copyright (c) 2007, 2018, 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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* @key stress gc
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*
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* @summary converted from VM Testbase gc/ArrayJuggle/Juggle01.
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* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, quick]
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*
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* @library /vmTestbase
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* /test/lib
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* @run driver jdk.test.lib.FileInstaller . .
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* @run main/othervm -Xlog:gc=debug:gc.log gc.ArrayJuggle.Juggle01.Juggle01 -gp byteArr -ms low
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*/
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package gc.ArrayJuggle.Juggle01;
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import nsk.share.test.*;
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import nsk.share.gc.*;
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import nsk.share.gc.gp.*;
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/**
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* This test randomly replaces elements of an array with new
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* objects using given garbage producer and memory strategy.
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*/
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public class Juggle01 extends ThreadedGCTest implements GarbageProducerAware, MemoryStrategyAware {
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private GarbageProducer garbageProducer;
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private MemoryStrategy memoryStrategy;
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private Object[] array;
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long objectSize;
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private class Juggler implements Runnable {
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public void run() {
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synchronized (this) {
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int index = LocalRandom.nextInt(array.length);
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array[index] = garbageProducer.create(objectSize);
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}
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}
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}
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protected Runnable createRunnable(int i) {
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return new Juggler();
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}
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public void run() {
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log.debug("Garbage producer: " + garbageProducer);
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log.debug("Memory strategy: " + memoryStrategy);
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long memory = runParams.getTestMemory();
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int objectCount = memoryStrategy.getCount(memory);
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objectSize = memoryStrategy.getSize(memory);
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log.debug("Object count: " + objectCount);
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log.debug("Object size: " + objectSize);
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array = new Object[objectCount - 1];
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super.run();
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}
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public void setGarbageProducer(GarbageProducer garbageProducer) {
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this.garbageProducer = garbageProducer;
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}
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public void setMemoryStrategy(MemoryStrategy memoryStrategy) {
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this.memoryStrategy = memoryStrategy;
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}
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public static void main(String[] args) {
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GC.runTest(new Juggle01(), args);
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}
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}
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