1 /*

     2  * Copyright (c) 2018 SAP SE. 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  * @bug 8209637

    27  * @summary [s390x] Interpreter doesn't call result handler after native calls

    28  * @author Volker Simonis

    29  *

    30  * @run main/othervm/native -XX:-UseOnStackReplacement -Xbatch JNIBooleanTest 50000

    31  * @run main/othervm/native -Xint JNIBooleanTest 256

    32  */

    33 

    34 import java.lang.reflect.Method;

    35 

    36 public class JNIBooleanTest {

    37   static native boolean foo(byte b);

    38 

    39   static boolean bar(byte b) {

    40     return foo(b);

    41   }

    42 

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

    44     int count = args.length > 0 ? Integer.parseInt(args[0]) : 50_000;

    45     byte b = 0;

    46     for (int i = 0; i < count; i++) {

    47       boolean bool = foo(b);

    48       if ((b == 0 && bool) || (b != 0 && !bool)) {

    49         throw new RuntimeException("Error: foo(" + b + ") = " + bool + " in iteration " + i);

    50       }

    51       b++;

    52     }

    53 

    54     b = 0;

    55     for (int i = 0; i < count; i++) {

    56       boolean bool = bar(b);

    57       if ((b == 0 && bool) || (b != 0 && !bool)) {

    58         throw new RuntimeException("Error: bar(" + b + ") = " + bool + " in iteration " + i);

    59       }

    60       b++;

    61     }

    62 

    63     Method foo = JNIBooleanTest.class.getDeclaredMethod("foo", byte.class);

    64 

    65     b = 0;

    66     for (int i = 0; i < count; i++) {

    67       boolean bool = ((Boolean)foo.invoke(null, b)).booleanValue();

    68       if ((b == 0 && bool) || (b != 0 && !bool)) {

    69         throw new RuntimeException("Error: foo(" + b + ") = " + bool + " in iteration " + i + " (reflective)");

    70       }

    71       b++;

    72     }

    73 

    74     Method bar = JNIBooleanTest.class.getDeclaredMethod("bar", byte.class);

    75 

    76     b = 0;

    77     for (int i = 0; i < count; i++) {

    78       boolean bool = ((Boolean)bar.invoke(null, b)).booleanValue();

    79       if ((b == 0 && bool) || (b != 0 && !bool)) {

    80         throw new RuntimeException("Error: bar(" + b + ") = " + bool + " in iteration " + i + " (reflective)");

    81       }

    82       b++;

    83     }

    84   }

    85 

    86   static {

    87     System.loadLibrary("JNIBooleanTest");

    88   }

    89 }