jdk

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/*
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 * Copyright (c) 2018, Red Hat, Inc. 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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package gc.epsilon;
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/**
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 * @test TestAlignment
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 * @requires vm.gc.Epsilon
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 * @summary Check Epsilon runs fine with (un)usual alignments
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 * @bug 8212005
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 *
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 * @run main/othervm -Xmx64m -XX:+UseTLAB
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 *                   -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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 *                   gc.epsilon.TestAlignment
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 *
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 * @run main/othervm -Xmx64m -XX:-UseTLAB
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 *                   -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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 *                   gc.epsilon.TestAlignment
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 */
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/**
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 * @test TestAlignment
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 * @requires vm.gc.Epsilon
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 * @requires vm.bits == "64"
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 * @summary Check Epsilon TLAB options with unusual object alignment
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 * @bug 8212177
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 * @run main/othervm -Xmx64m -XX:+UseTLAB
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 *                   -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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 *                   -XX:ObjectAlignmentInBytes=16
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 *                   gc.epsilon.TestAlignment
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 *
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 * @run main/othervm -Xmx64m -XX:-UseTLAB
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 *                   -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC
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 *                   -XX:ObjectAlignmentInBytes=16
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 *                   gc.epsilon.TestAlignment
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 */
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public class TestAlignment {
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    static Object sink;
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    public static void main(String[] args) throws Exception {
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        for (int c = 0; c < 1000; c++) {
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            sink = new byte[c];
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        }
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    }
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}
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