--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/text/Bidi/Bug6850113.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2009, 2012, 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 6850113
+ * @summary Verify the return value of digit() for some digits.
+ * @modules java.base/sun.text.normalizer
+ * @compile -XDignore.symbol.file=true Bug6850113.java
+ * @run main Bug6850113
+ */
+
+import sun.text.normalizer.UCharacter;
+
+public class Bug6850113 {
+
+    public static void main(String[] args) {
+        boolean err = false;
+
+        // Fullwidth Latin capital letters
+        for (int i = 0xff21, j = 10; i <= 0xff3a; i++, j++) {
+            if (UCharacter.digit(i, 36) != j) {
+                err = true;
+                System.out.println("Error: UCharacter.digit(0x" +
+                    Integer.toHexString(i) + ", 36) returned " +
+                    UCharacter.digit(i, 36) + ", expected=" + j);
+            }
+        }
+
+        // Fullwidth Latin small letters
+        for (int i = 0xff41, j = 10; i <= 0xff5a; i++, j++) {
+            if (UCharacter.digit(i, 36) != j) {
+                err = true;
+                System.out.println("Error: UCharacter.digit(0x" +
+                    Integer.toHexString(i) + ", 36) returned " +
+                    UCharacter.digit(i, 36) + ", expected=" + j);
+            }
+        }
+
+        if (err) {
+            throw new RuntimeException("UCharacter.digit():  Wrong return value");
+        }
+   }
+}