diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/java/lang/Character/CharacterName.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/lang/Character/CharacterName.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * 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.
+ */
+
+/**
+ * @test
+ * @bug 8147531
+ * @summary  Check j.l.Character.getName and codePointOf
+ */
+
+import java.util.Locale;
+
+public class CharacterName {
+
+    public static void main(String[] args) {
+        for (int cp = 0; cp < Character.MAX_CODE_POINT; cp++) {
+            if (!Character.isValidCodePoint(cp)) {
+                try {
+                    Character.getName(cp);
+                } catch (IllegalArgumentException x) {
+                    continue;
+                }
+                throw new RuntimeException("Invalid failed: " + cp);
+            } else if (Character.getType(cp) == Character.UNASSIGNED) {
+                if (Character.getName(cp) != null)
+                    throw new RuntimeException("Unsigned failed: " + cp);
+            } else {
+                String name = Character.getName(cp);
+                if (cp != Character.codePointOf(name) ||
+                    cp != Character.codePointOf(name.toLowerCase(Locale.ENGLISH)))
+                throw new RuntimeException("Roundtrip failed: " + cp);
+            }
+        }
+    }
+}