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 jdk.jfr.AnnotationElement; 29 import jdk.jfr.Label; 30 import jdk.jfr.MetadataDefinition; 31 import jdk.jfr.Timestamp; 32 import jdk.test.lib.Asserts; 33 34 /* 35 * @test 36 * @key jfr 37 * @library /test/lib 38 * @run main/othervm jdk.jfr.api.metadata.annotations.TestHasValue 39 */ 40 41 @MetadataDefinition 42 @interface CustomAnnotation { 43 String value(); 44 } 45 46 public class TestHasValue { 47 48 public static void main(String[] args) throws Exception { 49 50 testHasValue(Label.class); 51 testHasValue(Timestamp.class); 52 testHasValue(CustomAnnotation.class); 53 } 54 55 private static void testHasValue(Class<? extends java.lang.annotation.Annotation> clz) { 56 57 System.out.println("class=" + clz); 58 59 AnnotationElement a = new AnnotationElement(clz, "value"); 60 Asserts.assertTrue(a.hasValue("value")); 61 Asserts.assertFalse(a.hasValue("nosuchvalue")); 62 63 } 64 }