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.eventtype; 27 28 import java.util.Arrays; 29 30 import jdk.jfr.Category; 31 import jdk.jfr.Description; 32 import jdk.jfr.Enabled; 33 import jdk.jfr.Event; 34 import jdk.jfr.EventType; 35 import jdk.jfr.Label; 36 import jdk.test.lib.Asserts; 37 38 /** 39 * @test 40 * @summary Test getAnnotations() 41 * @key jfr 42 * 43 * @library /lib / 44 * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetAnnotation 45 */ 46 public class TestGetAnnotation { 47 48 public static void main(String[] args) throws Throwable { 49 EventType type = EventType.getEventType(MyEvent.class); 50 51 Label label = type.getAnnotation(Label.class); 52 if (label == null) { 53 Asserts.fail("Annotation label was null"); 54 } 55 Asserts.assertEquals(label.value(), "myLabel", "Wrong value for annotation label"); 56 57 Category category = type.getAnnotation(Category.class); 58 if (category == null) { 59 Asserts.fail("Annotation @Description was null"); 60 } 61 62 Asserts.assertTrue(Arrays.equals(category.value(), new String[] {"Stuff"}), "Wrong value for annotation enabled"); 63 64 Description description = type.getAnnotation(Description.class); 65 if (description != null) { 66 Asserts.fail("Annotation description should be null"); 67 } 68 69 try { 70 type.getAnnotation(null); 71 Asserts.fail("No exception when getAnnotation(null)"); 72 } catch(Exception e) { 73 // Expected exception 74 } 75 } 76 77 @Label("myLabel") 78 @Enabled(false) 79 @Category("Stuff") 80 private static class MyEvent extends Event { 81 } 82 }