1 /*

     2  * Copyright (c) 2018, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

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

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

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

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    25 

    26 package jdk.jfr.api.metadata.valuedescriptor;

    27 

    28 import jdk.jfr.Event;

    29 import jdk.jfr.EventType;

    30 import jdk.jfr.ValueDescriptor;

    31 import jdk.test.lib.Asserts;

    32 

    33 /*

    34  * @test

    35  * @summary Test ValueDescriptor.isArray().

    36  * @key jfr

    37  * @library /test/lib

    38  * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestIsArray

    39  */

    40 public class TestIsArray {

    41 

    42     public static void main(String[] args) throws Throwable {

    43         EventType type = EventType.getEventType(EventWithArray.class);

    44 

    45         ValueDescriptor d = type.getField("myIds");

    46 

    47         Asserts.assertNull(d, "ValueDescriptor for int[] was not null");

    48 

    49         type = EventType.getEventType(EventWithoutArray.class);

    50         d = type.getField("myId");

    51         Asserts.assertFalse(d.isArray(), "isArray() was true for int");

    52     }

    53 

    54     private static class EventWithArray extends Event {

    55         @SuppressWarnings("unused")

    56         public int[] myIds;

    57     }

    58 

    59     private static class EventWithoutArray extends Event {

    60         @SuppressWarnings("unused")

    61         public int myId;

    62     }

    63 }