1 /* 2 * Copyright (c) 2015, 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.annotations; 27 28 import java.lang.annotation.ElementType; 29 import java.lang.annotation.Retention; 30 import java.lang.annotation.RetentionPolicy; 31 import java.lang.annotation.Target; 32 33 import jdk.jfr.AnnotationElement; 34 import jdk.jfr.Event; 35 import jdk.jfr.EventType; 36 import jdk.jfr.Label; 37 import jdk.jfr.MetadataDefinition; 38 import jdk.jfr.SettingDefinition; 39 import jdk.jfr.SettingDescriptor; 40 import jdk.jfr.ValueDescriptor; 41 import jdk.test.lib.Asserts; 42 import jdk.test.lib.jfr.Events; 43 import jdk.test.lib.jfr.SimpleSetting; 44 45 /** 46 * @test 47 * @key jfr 48 * @requires vm.hasJFR 49 * @library /test/lib 50 * @run main/othervm jdk.jfr.api.metadata.annotations.TestLabel 51 */ 52 public class TestLabel { 53 54 @MetadataDefinition 55 @Label("Annotation Label") 56 @Target({ ElementType.TYPE }) 57 @Retention(RetentionPolicy.RUNTIME) 58 @interface AnnotionWithLabel { 59 } 60 61 @AnnotionWithLabel 62 @Label("Event Label") 63 static class LabelEvent extends Event { 64 @Label("Field Label") 65 boolean labledField; 66 67 @SettingDefinition 68 @Label("Setting Label") dummy(SimpleSetting ds)69 boolean dummy(SimpleSetting ds) { 70 return true; 71 } 72 } 73 main(String[] args)74 public static void main(String[] args) throws Exception { 75 // Event 76 EventType t = EventType.getEventType(LabelEvent.class); 77 Asserts.assertEquals(t.getLabel(), "Event Label", "Incorrect label for event"); 78 79 // Field 80 ValueDescriptor field = t.getField("labledField"); 81 Asserts.assertEquals(field.getLabel(), "Field Label", "Incorrect label for field"); 82 83 // Annotation 84 AnnotationElement awl = Events.getAnnotationByName(t, AnnotionWithLabel.class.getName()); 85 Label label = awl.getAnnotation(Label.class); 86 Asserts.assertEquals(label.value(), "Annotation Label", "Incorrect label for annotation"); 87 88 // Setting 89 for (SettingDescriptor v: t.getSettingDescriptors()) { 90 if (v.getName().equals("dummy")) { 91 Label settingLabel = v.getAnnotation(Label.class); 92 Asserts.assertEquals(settingLabel.value(), "Setting Label", "Incorrect label for setting"); 93 } 94 } 95 } 96 } 97