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  * @requires vm.hasJFR
38  * @library /test/lib
39  * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestIsArray
40  */
41 public class TestIsArray {
42 
main(String[] args)43     public static void main(String[] args) throws Throwable {
44         EventType type = EventType.getEventType(EventWithArray.class);
45 
46         ValueDescriptor d = type.getField("myIds");
47 
48         Asserts.assertNull(d, "ValueDescriptor for int[] was not null");
49 
50         type = EventType.getEventType(EventWithoutArray.class);
51         d = type.getField("myId");
52         Asserts.assertFalse(d.isArray(), "isArray() was true for int");
53     }
54 
55     private static class EventWithArray extends Event {
56         @SuppressWarnings("unused")
57         public int[] myIds;
58     }
59 
60     private static class EventWithoutArray extends Event {
61         @SuppressWarnings("unused")
62         public int myId;
63     }
64 }
65