104 lines
3.4 KiB
Java
104 lines
3.4 KiB
Java
/*
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* Copyright (c) 2009, 2020, 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 randomness
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*
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* @summary converted from VM Testbase gc/gctests/FinalizeTest05.
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* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
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*
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* @library /vmTestbase
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* /test/lib
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* @run main/othervm -XX:-UseGCOverheadLimit gc.gctests.FinalizeTest05.FinalizeTest05
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*/
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package gc.gctests.FinalizeTest05;
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import nsk.share.gc.*;
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import java.util.*;
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import nsk.share.TestFailure;
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import nsk.share.test.ExecutionController;
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import nsk.share.test.Stresser;
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/**
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*/
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public class FinalizeTest05 extends GCTestBase {
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private final int allocRatio = 5;
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private final int size = 1024 * 2;
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private int count = 1000;
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private ExecutionController stresser;
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private void runOne() {
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ArrayList objs = new ArrayList(count);
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Object o;
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for (int i = 0; i < count; i++) {
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if (i % allocRatio == 0) {
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o = new FinMemoryObject(size);
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objs.add(o);
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} else {
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o = new byte[size - Memory.getObjectExtraSize()];
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}
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}
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FinMemoryObject.dumpStatistics();
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o = null;
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/* force finalization */
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Algorithms.eatMemory(stresser);
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System.gc();
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Runtime.getRuntime().runFinalization();
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System.gc();
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Runtime.getRuntime().runFinalization();
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FinMemoryObject.dumpStatistics();
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boolean error;
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System.out.println("Allocated: " + FinMemoryObject.getAllocatedCount());
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System.out.println("Finalized: " + FinMemoryObject.getFinalizedCount());
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error = (FinMemoryObject.getFinalizedCount() != 0);
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// Just hit the objs array to do say VM that we use this object
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// and it should be alive in this point.
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objs.clear();
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if (error) {
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throw new TestFailure("Test failed.");
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}
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}
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public void run() {
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stresser = new Stresser(runParams.getStressOptions());
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stresser.start(runParams.getIterations());
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count = (int) Math.min(runParams.getTestMemory() / size, Integer.MAX_VALUE);
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System.out.println("Allocating " + count
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+ " objects. 1 out of " + allocRatio
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+ " will have a finalizer.");
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System.out.flush();
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runOne();
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}
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public static void main(String[] args) {
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GC.runTest(new FinalizeTest05(), args);
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}
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}
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