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1 /* |
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2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package jdk.jfr.api.metadata.annotations; |
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27 |
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28 import java.lang.annotation.ElementType; |
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29 import java.lang.annotation.Retention; |
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30 import java.lang.annotation.RetentionPolicy; |
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31 import java.lang.annotation.Target; |
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32 |
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33 import jdk.jfr.AnnotationElement; |
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34 import jdk.jfr.Event; |
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35 import jdk.jfr.EventType; |
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36 import jdk.jfr.Experimental; |
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37 import jdk.jfr.MetadataDefinition; |
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38 import jdk.test.lib.Asserts; |
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39 import jdk.test.lib.jfr.Events; |
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40 |
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41 /* |
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42 * @test |
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43 * @key jfr |
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44 * @library /test/lib |
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45 * @run main/othervm jdk.jfr.api.metadata.annotations.TestExperimental |
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46 */ |
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47 public class TestExperimental { |
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48 |
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49 @MetadataDefinition |
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50 @Experimental |
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51 @Target({ ElementType.TYPE }) |
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52 @Retention(RetentionPolicy.RUNTIME) |
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53 @interface ExperimentalAnnotation { |
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54 } |
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55 |
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56 @ExperimentalAnnotation |
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57 @Experimental |
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58 static class ExperimentalEvent extends Event { |
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59 @Experimental |
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60 boolean experimentalField; |
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61 } |
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62 |
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63 public static void main(String[] args) throws Exception { |
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64 EventType t = EventType.getEventType(ExperimentalEvent.class); |
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65 |
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66 // @Experimental on event |
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67 Experimental e = t.getAnnotation(Experimental.class); |
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68 Asserts.assertTrue(e != null, "Expected @Experimental annotation on event"); |
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69 |
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70 // @Experimental on annotation |
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71 AnnotationElement a = Events.getAnnotationByName(t, ExperimentalAnnotation.class.getName()); |
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72 e = a.getAnnotation(Experimental.class); |
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73 Asserts.assertTrue(e != null, "Expected @Experimental on annotation"); |
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74 |
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75 // @Experimental on field |
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76 a = Events.getAnnotation(t.getField("experimentalField"), Experimental.class); |
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77 Asserts.assertTrue(e != null, "Expected @Experimental on field"); |
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78 } |
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79 } |