--- /dev/null	2013-10-15 09:22:01.885877634 -0700
+++ new/test/sun/nio/cs/TestUnmappable.java	2013-10-21 12:43:52.000000000 -0700
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+/*
+ * @test
+ * @bug 8008386
+ * @summary (cs) Unmappable leading should be decoded to replacement.
+ *          Tests for Shift_JIS and MS932 decoding
+ * @run main TestUnmappable
+ */
+
+import java.nio.*;
+import java.nio.charset.*;
+
+public class TestUnmappable {
+    public static void main(String args[]) throws Exception {
+
+        // illegal leading character test
+        byte[][] inputBytes = {
+                               // Shift_JIS
+                               {(byte)0xce, (byte)0xa0, (byte)0xce, (byte)0x7a},
+                               // MS932
+                               {(byte)0x3c, (byte)0x21, (byte)0x2d, (byte)0x2d,
+                                (byte)0xe5, (byte)0xaf, (byte)0xbe, (byte)0xe5,
+                                (byte)0xbf, (byte)0x9c, (byte)0x2d, (byte)0x2d,
+                                (byte)0x3e, (byte)0xd,  (byte)0xa },
+                               {(byte)0x81, (byte)0xad},
+                               // PCK
+                               {(byte)0xef, (byte)0x90},
+                               {(byte)0x91, (byte)0xfd}
+                              };
+
+        String[] charsets = { "Shift_JIS", "MS932", "PCK" };
+        String[] expectedStrings = {
+                                    // Shift_JIS
+                                    "0xce 0x3f 0xce 0x7a ",
+                                    // MS932
+                                    "0x3c 0x21 0x2d 0x2d 0xe5 0xaf 0xbe 0xe5 0xbf " +
+                                    "0x3f 0x2d 0x2d 0x3e 0xd 0xa ",
+                                    "0x3f 0xad ",
+                                    // PCK
+                                    "0x3f 0x3f ",
+                                    "0x3f "};
+
+        for (int i = 0; i < charsets.length; i++) {
+            String ret = new String(inputBytes[i], charsets[i]);
+            String bString = getByteString(ret.getBytes(Charset.forName(charsets[i])));
+            if (expectedStrings[i].length() != bString.length()
+               || ! expectedStrings[i].equals(bString)){
+                throw new Exception("ByteToChar for " + charsets[i] 
+                    + " does not work correctly.\n" + 
+                    "Expected: " + expectedStrings[i] + "\n" +
+                    "Received: " + bString);
+            }
+        }
+    }
+
+    private static String getByteString(byte[] bytes) {
+        StringBuffer sb = new StringBuffer();
+        for (int i = 0; i < bytes.length; i++) {
+            sb.append("0x" + Integer.toHexString((int)(bytes[i] & 0xFF)) + " ");
+        }
+        return sb.toString();
+    }
+}