1 /*

     2  * Copyright (c) 2013, 2014, 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 WhiteBox

    26  * @bug 8011675

    27  * @summary verify that whitebox can be used even if not all functions are declared in java-part

    28  * @author igor.ignatyev@oracle.com

    29  * @library /testlibrary

    30  * @compile WhiteBox.java

    31  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    32  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI sun.hotspot.WhiteBox

    33  * @clean sun.hotspot.WhiteBox

    34  */

    35 

    36 package sun.hotspot;

    37 

    38 public class WhiteBox {

    39     private static native void registerNatives();

    40     static { registerNatives(); }

    41     public native int notExistedMethod();

    42     public native int getHeapOopSize();

    43     public static void main(String[] args) {

    44         WhiteBox wb = new WhiteBox();

    45         if (wb.getHeapOopSize() < 0) {

    46             throw new Error("wb.getHeapOopSize() < 0");

    47         }

    48         boolean catched = false;

    49         try {

    50             wb.notExistedMethod();

    51         } catch (UnsatisfiedLinkError e) {

    52             catched = true;

    53         }

    54         if (!catched) {

    55             throw new Error("wb.notExistedMethod() was invoked");

    56         }

    57     }

    58 }