hotspot/test/runtime/Unsafe/SetMemory.java
changeset 28732 d4b650e48a8f
child 29678 dd2f3932c21e
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28731:f7339cba0a6a 28732:d4b650e48a8f
       
     1 /*
       
     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License version
       
    16  * 2 along with this work; if not, write to the Free Software Foundation,
       
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    18  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  */
       
    23 
       
    24 /*
       
    25  * @test
       
    26  * @summary Verifies that setMemory works correctly
       
    27  * @library /testlibrary
       
    28  * @run main SetMemory
       
    29  */
       
    30 
       
    31 import com.oracle.java.testlibrary.*;
       
    32 import sun.misc.Unsafe;
       
    33 import static com.oracle.java.testlibrary.Asserts.*;
       
    34 
       
    35 public class SetMemory {
       
    36     public static void main(String args[]) throws Exception {
       
    37         Unsafe unsafe = Utils.getUnsafe();
       
    38         long address = unsafe.allocateMemory(1);
       
    39         assertNotEquals(address, 0L);
       
    40         unsafe.setMemory(address, 1, (byte)17);
       
    41         assertEquals((byte)17, unsafe.getByte(address));
       
    42         unsafe.freeMemory(address);
       
    43     }
       
    44 }