--- /dev/null 2020-01-02 04:43:18.583999853 +0000 +++ new/test/jdk/jfr/api/metadata/valuedescriptor/TestConstructor.java 2020-01-30 06:30:14.730937473 +0000 @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +package jdk.jfr.api.metadata.valuedescriptor; + +import java.util.ArrayList; +import java.util.List; + +import jdk.jfr.AnnotationElement; +import jdk.jfr.Label; +import jdk.jfr.ValueDescriptor; +import jdk.test.lib.Asserts; + +/** + * @test + * @summary Test ValueDescriptor.getAnnotations() + * @key jfr + * + * @library /lib / + * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestConstructor + */ +public class TestConstructor { + + public static void main(String[] args) throws Throwable { + ValueDescriptor vdSimple = new ValueDescriptor(String.class, "message"); + Asserts.assertNull(vdSimple.getAnnotation(Label.class), "Expected getAnnotation()==null"); + Asserts.assertEquals(0, vdSimple.getAnnotationElements().size(), "Expected getAnnotations().size() == 0"); + + // Add labelA and verify we can read it back + List annos = new ArrayList<>(); + AnnotationElement labelA = new AnnotationElement(Label.class, "labelA"); + annos.add(labelA); + System.out.println("labelA.getClass()" + labelA.getClass()); + ValueDescriptor vdComplex = new ValueDescriptor(String.class, "message", annos); + + final Label outLabel = vdComplex.getAnnotation(Label.class); + Asserts.assertFalse(outLabel == null, "getLabel(Label.class) was null"); + System.out.println("outLabel.value() = " + outLabel.value()); + + // Get labelA from getAnnotations() list + Asserts.assertEquals(1, vdComplex.getAnnotationElements().size(), "Expected getAnnotations().size() == 1"); + final AnnotationElement outAnnotation = vdComplex.getAnnotationElements().get(0); + Asserts.assertNotNull(outAnnotation, "outAnnotation was null"); + System.out.printf("Annotation: %s = %s%n", outAnnotation.getTypeName(), outAnnotation.getValue("value")); + Asserts.assertEquals(outAnnotation, labelA, "Expected firstAnnotation == labelA"); + + } +}