1 /*

     2  * Copyright (c) 2018, Red Hat, Inc. and/or its affiliates.

     3  *

     4  * This code is free software; you can redistribute it and/or modify it

     5  * under the terms of the GNU General Public License version 2 only, as

     6  * published by the Free Software Foundation.

     7  *

     8  * This code is distributed in the hope that it will be useful, but WITHOUT

     9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    11  * version 2 for more details (a copy is included in the LICENSE file that

    12  * accompanied this code).

    13  *

    14  * You should have received a copy of the GNU General Public License version

    15  * 2 along with this work; if not, write to the Free Software Foundation,

    16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    17  *

    18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    19  * or visit www.oracle.com if you need additional information or have any

    20  * questions.

    21  *

    22  */

    23 

    24 

    25 /*

    26  * @test CriticalNativeStress

    27  * @key gc

    28  * @bug 8199868

    29  * @requires (os.arch =="x86_64" | os.arch == "amd64") & (vm.bits == "64") & vm.gc.Epsilon & !vm.graal.enabled

    30  * @summary test argument unpacking nmethod wrapper of critical native method

    31  * @run main/othervm/native -XX:+UnlockExperimentalVMOptions -XX:+UseEpsilonGC -Xcomp -Xmx256M -XX:+CriticalJNINatives CriticalNativeArgs

    32  */

    33 public class CriticalNativeArgs {

    34   static {

    35     System.loadLibrary("CriticalNative");

    36   }

    37 

    38   static native boolean isNull(int[] a);

    39 

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

    41     int[] arr = new int[2];

    42 

    43     if (isNull(arr)) {

    44       throw new RuntimeException("Should not be null");

    45     }

    46 

    47     if (!isNull(null)) {

    48       throw new RuntimeException("Should be null");

    49     }

    50   }

    51 }

    52