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/*
* Copyright (c) 2002, 2020, 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
*
* @summary converted from VM Testbase gc/memory/UniThread/Circular1.
* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
*
* @library /vmTestbase
* /test/lib
* @run main/othervm gc.memory.UniThread.Circular1.Circular1 -iterations 5
*/
package gc.memory.UniThread.Circular1;
import nsk.share.gc.*;
import nsk.share.test.Stresser;
/**
* Test GC collection of circular linked lists.
*
* This test simply creates a series of circulary
* linked memory objects which should be able to be
* GC'd.
*
* In this test the size of one object is small, the number
* of objects in one list is small and the number
* of lists is large.
*/
public class Circular1 extends GCTestBase {
private int arraySize;
private int objectSize;
private int circularitySize;
private MemoryObject memoryArray[];
public Circular1() {
this(100, 5);
}
public Circular1(int objectSize, int circularitySize) {
this.objectSize = objectSize;
this.circularitySize = circularitySize;
}
public void run() {
arraySize = Memory.getArrayLength(runParams.getTestMemory(), Memory.getListSize(circularitySize, objectSize));
Stresser stresser = new Stresser(runParams.getStressOptions());
log.debug("Array size: " + arraySize);
memoryArray = new MemoryObject[arraySize];
stresser.start(runParams.getIterations());
try {
while (stresser.iteration()) {
log.debug(Runtime.getRuntime().freeMemory());
for (int i = 0; i < arraySize && stresser.continueExecution(); i ++)
memoryArray[i] = Memory.makeCircularList(circularitySize, objectSize);
}
} finally {
stresser.finish();
}
System.out.println("Test passed.");
}
public static void main(String args[]) {
GC.runTest(new Circular1(), args);
}
}
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