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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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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 /test/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<AnnotationElement> 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");

    }

}