--- /dev/null	2018-04-28 00:26:07.190086997 -0400
+++ new/test/jdk/com/sun/jdi/RedefineNestmateAttr/NamedBuffer.java	2018-05-18 03:37:51.775253789 -0400
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2003, 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.
+ */
+
+import  java.io.*;
+
+/*
+ * Copyright 2003 Wily Technology, Inc.
+ */
+
+public class NamedBuffer
+{
+    private final String    fName;
+    private final byte[]    fBuffer;
+
+    public
+    NamedBuffer(    String  name,
+                    byte[]  buffer)
+        {
+        fName =     name;
+        fBuffer =   buffer;
+        }
+
+    public
+    NamedBuffer(    String      name,
+                    InputStream stream)
+        throws IOException
+        {
+        this(   name,
+                loadBufferFromStream(stream));
+        }
+
+    public String
+    getName()
+        {
+        return fName;
+        }
+
+    public byte[]
+    getBuffer()
+        {
+        return fBuffer;
+        }
+
+    public static byte[]
+    loadBufferFromStream(InputStream stream)
+        throws IOException
+        {
+        // hack for now, just assume the stream will fit in our reasonable size buffer.
+        // if not, panic
+        int bufferLimit = 200 * 1024;
+        byte[]  readBuffer = new byte[bufferLimit];
+        int actualSize = stream.read(readBuffer);
+        if ( actualSize >= bufferLimit )
+            {
+            // if there might be more bytes, just surrender
+            throw new IOException("too big for buffer");
+            }
+
+        byte[] resultBuffer = new byte[actualSize];
+        System.arraycopy(   readBuffer,
+                            0,
+                            resultBuffer,
+                            0,
+                            actualSize);
+        return resultBuffer;
+        }
+}