--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/channels/ConfigureBlocking.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @bug 4797768
+ * @summary test configureBlocking on closed channels
+ */
+
+import java.io.*;
+import java.nio.channels.*;
+
+public class ConfigureBlocking {
+    public static void main (String [] str) throws Exception {
+        SelectableChannel [] channels = null;
+        channels = new SelectableChannel [] {
+            DatagramChannel.open(),
+            SocketChannel.open(),
+            ServerSocketChannel.open()};
+        for (int i = 0; i < channels.length; i++) {
+            SelectableChannel channel = channels[i];
+            channel.close();
+            try {
+                channel.configureBlocking(true);
+                throw new RuntimeException("expected exception not thrown");
+            } catch (ClosedChannelException e) {
+                // Correct result
+            }
+        }
+    }
+}