--- /dev/null	2018-06-17 23:18:20.806999507 +0800
+++ new/test/jdk/jfr/api/metadata/valuedescriptor/TestClasses.java	2019-01-29 11:01:37.834108319 +0800
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2018, 2019, 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.HashMap;
+import java.util.Map;
+
+import jdk.jfr.ValueDescriptor;
+import jdk.testlibrary.Asserts;
+import jdk.testlibrary.jfr.CommonHelper;
+import jdk.testlibrary.jfr.VoidFunction;
+
+/*
+ * @test
+ * @summary Test ValueDescriptor.getAnnotations()
+ * @key jfr
+ * @library /lib/testlibrary
+ * @run main/othervm jdk.jfr.api.metadata.valuedescriptor.TestClasses
+ */
+public class TestClasses {
+
+    public static void main(String[] args) throws Throwable {
+        @SuppressWarnings("rawtypes")
+        Map<String, Class> valid = new HashMap<>();
+        valid.put("byte", byte.class);
+        valid.put("short", short.class);
+        valid.put("int", int.class);
+        valid.put("char", char.class);
+        valid.put("float", float.class);
+        valid.put("double", double.class);
+        valid.put("boolean", boolean.class);
+        valid.put("double", double.class);
+        valid.put("long", long.class);
+        valid.put("java.lang.String", String.class);
+        valid.put("java.lang.Class", Class.class);
+        valid.put("java.lang.Thread", Thread.class);
+
+        for (String name : valid.keySet()) {
+            Class<?> t = valid.get(name);
+            System.out.println(t.getName());
+            ValueDescriptor d = new ValueDescriptor(t, "dummy");
+            String typeName = d.getTypeName() + (d.isArray() ? "[]" : "");
+            System.out.printf("%s -> typeName %s%n", name, typeName);
+            Asserts.assertEquals(name, typeName, "Wrong type name");
+        }
+
+        // Test some illegal classes
+        verifyIllegalArg(()->{new ValueDescriptor(Float.class, "ids");}, "Arrays of non-primitives should give Exception");
+        verifyIllegalArg(()->{new ValueDescriptor(Integer[].class, "ids");}, "Arrays of non-primitives should give Exception");
+        verifyIllegalArg(()->{new ValueDescriptor(Class[].class, "ids");}, "Arrays of non-primitives should give Exception");
+        verifyIllegalArg(()->{new ValueDescriptor(MyClass.class, "MyClass");}, "MyClass should give Exception");
+    }
+
+    private static class MyClass {
+        @SuppressWarnings("unused")
+        int id;
+    }
+
+    private static void verifyIllegalArg(VoidFunction f, String msg) throws Throwable {
+        CommonHelper.verifyException(f, msg, IllegalArgumentException.class);
+    }
+}