/*

 * Copyright (c) 2011, 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/hashcode/HashCodeTestPC.

 * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, jrockit]

 * VM Testbase readme:

 * DESCRIPTION

 * Test that verifies external hash codes.  This class tests the scenario

 * with promotion & compaction.

 *

 * COMMENTS

 * This test was ported from JRockit test suite.

 *

 * @library /vmTestbase

 *          /test/lib

 * @run driver jdk.test.lib.FileInstaller . .

 * @run main/othervm -XX:-UseGCOverheadLimit gc.hashcode.HashCodeTestPC.HashCodeTestPC

 */

package gc.hashcode.HashCodeTestPC;

import gc.hashcode.HCHelper;

import nsk.share.TestFailure;

import nsk.share.gc.GC;

import nsk.share.gc.GCTestBase;

import nsk.share.gc.gp.GarbageUtils;

import nsk.share.test.Stresser;

/**

 * Test that verifies external hash codes. This class tests the scenario

 * with promotion followed by compaction.

 */

public class HashCodeTestPC extends GCTestBase{

    /**

     * Test external hash codes when a promotion followed by a compaction

     * have been performed.

     *

     * @return Success if all hash codes matches original hash codes

     */

    @Override

    public void run() {

        HCHelper hch = new HCHelper(512, 2000, runParams.getSeed(),

                0.7, 10240);

        hch.setupLists();

        Stresser stresser = new Stresser(runParams.getStressOptions());

        stresser.start(0);

        GarbageUtils.eatMemory(stresser);

        if (!stresser.continueExecution()) {

            return;// we didn't trigger GC, nothing

        }

        hch.clearList(HCHelper.EVAC_LIST_1);

        GarbageUtils.eatMemory(stresser);

        if (!stresser.continueExecution()) {

            return;// we didn't trigger GC, nothing

        }

        boolean testResult = hch.verifyHashCodes();

        hch.cleanupLists();

        if(!testResult) {

            throw new TestFailure("Some hash codes didn't match");

        }

    }

    public static void main(String[] args) {

        GC.runTest(new HashCodeTestPC(), args);

    }

}