1 /*
   2  * Copyright (c) 2016, 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 package jdk.jfr.api.metadata.settingdescriptor;
  26 
  27 import jdk.jfr.Description;
  28 import jdk.jfr.EventType;
  29 import jdk.jfr.Label;
  30 import jdk.jfr.SettingDescriptor;
  31 import jdk.jfr.Timespan;
  32 import jdk.jfr.Timestamp;
  33 import jdk.test.lib.Asserts;
  34 import jdk.test.lib.jfr.Events;
  35 
  36 /**
  37  * @test
  38  * @summary Test SettingDescriptor.getAnnotation();
  39  * @key jfr
  40  * @requires vm.hasJFR
  41  * @library /test/lib /test/jdk
  42  * @run main/othervm jdk.jfr.api.metadata.settingdescriptor.TestGetAnnotation
  43  */
  44 public class TestGetAnnotation {
  45 
  46     public static void main(String[] args) throws Exception {
  47         EventType type = EventType.getEventType(CustomEvent.class);
  48 
  49         SettingDescriptor annotatedType = Events.getSetting(type, "annotatedType");
  50         Label al = annotatedType.getAnnotation(Label.class);
  51         Asserts.assertNull(al); // we should not inherit annotation from type
  52 
  53         Description ad = annotatedType.getAnnotation(Description.class);
  54         Asserts.assertNull(ad); // we should not inherit annotation from type
  55 
  56         Timestamp at = annotatedType.getAnnotation(Timestamp.class);
  57         Asserts.assertNull(at); // we should not inherit annotation from type
  58 
  59         SettingDescriptor newName = Events.getSetting(type, "newName");
  60         Label nl = newName.getAnnotation(Label.class);
  61         Asserts.assertEquals(nl.value(), "Annotated Method");
  62 
  63         Description nd = newName.getAnnotation(Description.class);
  64         Asserts.assertEquals(nd.value(), "Description of an annotated method");
  65 
  66         Timespan nt = newName.getAnnotation(Timespan.class);
  67         Asserts.assertEquals(nt.value(), Timespan.NANOSECONDS);
  68     }
  69 
  70 }