1 /* 2 * Copyright (c) 2018, 2019, 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.valuedescriptor; 27 28 import java.util.ArrayList; 29 import java.util.List; 30 31 import jdk.jfr.AnnotationElement; 32 import jdk.jfr.Label; 33 import jdk.jfr.ValueDescriptor; 34 import jdk.testlibrary.Asserts; 35 36 /* 37 * @test 38 * @summary Test ValueDescriptor.getAnnotations() 39 * @key jfr 40 * @library /lib/testlibrary 41 * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestConstructor 42 */ 43 public class TestConstructor { 44 45 public static void main(String[] args) throws Throwable { 46 ValueDescriptor vdSimple = new ValueDescriptor(String.class, "message"); 47 Asserts.assertNull(vdSimple.getAnnotation(Label.class), "Expected getAnnotation()==null"); 48 Asserts.assertEquals(0, vdSimple.getAnnotationElements().size(), "Expected getAnnotations().size() == 0"); 49 50 // Add labelA and verify we can read it back 51 List<AnnotationElement> annos = new ArrayList<>(); 52 AnnotationElement labelA = new AnnotationElement(Label.class, "labelA"); 53 annos.add(labelA); 54 System.out.println("labelA.getClass()" + labelA.getClass()); 55 ValueDescriptor vdComplex = new ValueDescriptor(String.class, "message", annos); 56 57 final Label outLabel = vdComplex.getAnnotation(Label.class); 58 Asserts.assertFalse(outLabel == null, "getLabel(Label.class) was null"); 59 System.out.println("outLabel.value() = " + outLabel.value()); 60 61 // Get labelA from getAnnotations() list 62 Asserts.assertEquals(1, vdComplex.getAnnotationElements().size(), "Expected getAnnotations().size() == 1"); 63 final AnnotationElement outAnnotation = vdComplex.getAnnotationElements().get(0); 64 Asserts.assertNotNull(outAnnotation, "outAnnotation was null"); 65 System.out.printf("Annotation: %s = %s%n", outAnnotation.getTypeName(), outAnnotation.getValue("value")); 66 Asserts.assertEquals(outAnnotation, labelA, "Expected firstAnnotation == labelA"); 67 68 } 69 }