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.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.test.lib.Asserts;
  35 
  36 /**
  37  * @test
  38  * @summary Test ValueDescriptor.getAnnotations()
  39  * @key jfr
  40  * @requires vm.hasJFR
  41  * @library /test/lib
  42  * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestConstructor
  43  */
  44 public class TestConstructor {
  45 
  46     public static void main(String[] args) throws Throwable {
  47         ValueDescriptor vdSimple = new ValueDescriptor(String.class, "message");
  48         Asserts.assertNull(vdSimple.getAnnotation(Label.class), "Expected getAnnotation()==null");
  49         Asserts.assertEquals(0, vdSimple.getAnnotationElements().size(), "Expected getAnnotations().size() == 0");
  50 
  51         // Add labelA and verify we can read it back
  52         List<AnnotationElement> annos = new ArrayList<>();
  53         AnnotationElement labelA = new AnnotationElement(Label.class, "labelA");
  54         annos.add(labelA);
  55         System.out.println("labelA.getClass()" + labelA.getClass());
  56         ValueDescriptor vdComplex = new ValueDescriptor(String.class, "message", annos);
  57 
  58         final Label outLabel = vdComplex.getAnnotation(Label.class);
  59         Asserts.assertFalse(outLabel == null, "getLabel(Label.class) was null");
  60         System.out.println("outLabel.value() = " + outLabel.value());
  61 
  62         // Get labelA from getAnnotations() list
  63         Asserts.assertEquals(1, vdComplex.getAnnotationElements().size(), "Expected getAnnotations().size() == 1");
  64         final AnnotationElement outAnnotation = vdComplex.getAnnotationElements().get(0);
  65         Asserts.assertNotNull(outAnnotation, "outAnnotation was null");
  66         System.out.printf("Annotation: %s = %s%n", outAnnotation.getTypeName(), outAnnotation.getValue("value"));
  67         Asserts.assertEquals(outAnnotation, labelA, "Expected firstAnnotation == labelA");
  68 
  69     }
  70 }