test/hotspot/jtreg/vmTestbase/nsk/share/gc/MemoryObject.java
author iignatyev
Mon, 30 Apr 2018 18:10:24 -0700
changeset 49934 44839fbb20db
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8199643: [TESTBUG] Open source common VM testbase code Reviewed-by: vlivanov, erikj, mseledtsov, gthornbr
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/*
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 * Copyright (c) 2005, 2018, 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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package nsk.share.gc;
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/**
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 *  An object that occupies approximately given number of bytes in memory.
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 */
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public class MemoryObject {
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        private static int diff = (int) Memory.getObjectExtraSize();
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        private byte storage[];
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        /**
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         *  Create an object that occupies given number of bytes.
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         *
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         *  @param size size
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         */
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        public MemoryObject(int size) {
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                if (size > diff)
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                        storage = new byte[size - diff];
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        }
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        public final byte[] getStorage() {
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                return storage;
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        }
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        public final int getSize() {
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                return storage.length;
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        }
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}