test/hotspot/jtreg/vmTestbase/gc/gctests/CallGC/CallGC02/CallGC02.java

/*
 * 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.
 *
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 * questions.
 */


/*
 * @test
 * @key stress gc
 *
 * @summary converted from VM Testbase gc/gctests/CallGC/CallGC02.
 * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
 *
 * @library /vmTestbase
 *          /test/lib
 * @run driver jdk.test.lib.FileInstaller . .
 * @run main/othervm gc.gctests.CallGC.CallGC02.CallGC02 -t 100 -gp random(arrays)
 */

package gc.gctests.CallGC.CallGC02;

import nsk.share.gc.*;
import nsk.share.gc.gp.*;
import nsk.share.runner.*;

/**
 * This test starts a number of threads that do System.gc() and
 * System.runFinalization() and checks that there are no crashes.
 *
 * There is also a thread that produces garbage.
 */
public class CallGC02 extends ThreadedGCTest implements GarbageProducerAware {
        private GarbageProducer garbageProducer;
        private final int objectSize = 100;

        private class GarbageProduction implements Runnable {
                public void run() {
                        garbageProducer.create(objectSize);
                }
        }

        protected Runnable createRunnable(int i) {
                if (i == 0)
                        return new GarbageProduction();
                else if (i % 2 == 0)
                        return new GCRunner();
                else
                        return new FinRunner();
        }

        public final void setGarbageProducer(GarbageProducer garbageProducer) {
                this.garbageProducer = garbageProducer;
        }

        public static void main(String[] args) {
                GC.runTest(new CallGC02(), args);
        }
}