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