test/compiler/6849574/Test.java

/*
 * Copyright (c) 2009, 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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/**
 * @test
 * @bug 6849574
 * @summary VM crash using NonBlockingHashMap (high_scale_lib)
 *
 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+VerifyBeforeGC Test
 */

import java.util.concurrent.atomic.*;

public class Test extends Thread {

    public static void main(String[] args) {
        AtomicReferenceArray a = new AtomicReferenceArray(10000);
        for (int i = 0; i < 100000; i++) {
            a.getAndSet(9999, new Object());
            if (i > 99990) System.gc();
        }
    }
}