hotspot/test/runtime/modules/ImageFile/ImageAttributeOffsetsTest.java
changeset 32690 151845b8bd85
parent 32689 ede6e8912b79
parent 32686 03856bb4e29a
child 32700 4f2af7ffb129
equal deleted inserted replaced
32689:ede6e8912b79 32690:151845b8bd85
     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  * Retrieves the array of offsets once with MemoryMapImage enabled once disabled.
       
    26  * @test ImageAttributeOffsetsTest
       
    27  * @summary Unit test for JVM_ImageAttributeOffsets() method
       
    28  * @library /testlibrary /../../test/lib
       
    29  * @build ImageAttributeOffsetsTest
       
    30  * @run main ClassFileInstaller sun.hotspot.WhiteBox
       
    31  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
       
    32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+MemoryMapImage ImageAttributeOffsetsTest
       
    33  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-MemoryMapImage ImageAttributeOffsetsTest
       
    34  */
       
    35 
       
    36 import java.io.File;
       
    37 import java.nio.ByteOrder;
       
    38 import sun.hotspot.WhiteBox;
       
    39 import static jdk.test.lib.Asserts.*;
       
    40 
       
    41 public class ImageAttributeOffsetsTest {
       
    42 
       
    43     public static final WhiteBox wb = WhiteBox.getWhiteBox();
       
    44 
       
    45     public static void main(String... args) throws Exception {
       
    46         String javaHome = System.getProperty("java.home");
       
    47         String imageFile = javaHome + File.separator + "lib" + File.separator
       
    48                 + "modules" + File.separator + "bootmodules.jimage";
       
    49 
       
    50         if (!(new File(imageFile)).exists()) {
       
    51             System.out.printf("Test skipped.");
       
    52             return;
       
    53         }
       
    54 
       
    55         boolean bigEndian = ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN;
       
    56         long id = wb.imageOpenImage(imageFile, bigEndian);
       
    57         boolean passed = true;
       
    58         // Get offsets
       
    59         int[] array = wb.imageAttributeOffsets(id);
       
    60         assertNotNull(array, "Could not retrieve offsets of array");
       
    61 
       
    62         wb.imageCloseImage(id);
       
    63     }
       
    64 }