hotspot/test/runtime/Unsafe/SetMemory.java
author ykantser
Mon, 04 May 2015 16:30:07 +0200
changeset 30604 b8d532cb6420
parent 29678 dd2f3932c21e
child 36851 03e2f4d0a421
permissions -rw-r--r--
8067013: Rename the com.oracle.java.testlibary package Reviewed-by: dholmes, gtriantafill, sla Contributed-by: alexander.kulyakhtin@oracle.com

/*
 * Copyright (c) 2015, 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
 * @summary Verifies that setMemory works correctly
 * @library /testlibrary
 * @modules java.base/sun.misc
 *          java.management
 * @run main SetMemory
 */

import jdk.test.lib.*;
import sun.misc.Unsafe;
import static jdk.test.lib.Asserts.*;

public class SetMemory {
    public static void main(String args[]) throws Exception {
        Unsafe unsafe = Utils.getUnsafe();
        long address = unsafe.allocateMemory(1);
        assertNotEquals(address, 0L);
        unsafe.setMemory(address, 1, (byte)17);
        assertEquals((byte)17, unsafe.getByte(address));
        unsafe.freeMemory(address);
    }
}