--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/nio/channels/FileChannel/MapOverEnd.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2001, 2010, 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 4463036
+ * @summary Check if file mapping extends beyond end of file
+ * @run main/othervm MapOverEnd
+ */
+
+import java.nio.*;
+import java.nio.channels.*;
+import java.io.*;
+
+public class MapOverEnd {
+    public static void main (String [] args) throws Exception {
+        File blah = File.createTempFile("blah", null);
+        blah.deleteOnExit();
+        RandomAccessFile raf = new RandomAccessFile (blah, "rw");
+        FileChannel fc = raf.getChannel();
+        MappedByteBuffer map = fc.map(FileChannel.MapMode.READ_WRITE, 0, 2048);
+        fc.close();
+        double current = map.getDouble (50);
+        map.putDouble (50, current+0.1d);
+        map.force();
+    }
+}