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 }