test/jdk/jdk/jfr/api/metadata/valuedescriptor/TestConstructor.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/metadata/valuedescriptor/TestConstructor.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,69 @@
+/*
+ * 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 /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");
+
+    }
+}