--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/net/NetworkInterface/IPv4Only.java	Tue Jul 13 15:32:36 2010 +0400
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 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   6964714
+ * @run main/othervm NetworkInterfaceV6List
+ * @summary Test the networkinterface listing with java.net.preferIPv4Stack=true.
+ */
+
+
+import java.net.*;
+import java.util.*;
+
+
+public class IPv4Only {
+    public static void main(String[] args) throws Exception {
+        System.setProperty("java.net.preferIPv4Stack","true");
+
+        Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces();
+        while (nifs.hasMoreElements()) {
+            NetworkInterface nif = nifs.nextElement();
+            Enumeration<InetAddress> addrs = nif.getInetAddresses();
+            while (addrs.hasMoreElements()) {
+               InetAddress hostAddr = addrs.nextElement();
+               if ( hostAddr instanceof Inet6Address ){
+                    throw new RuntimeException( "NetworkInterfaceV6List failed - found v6 address " + hostAddr.getHostAddress() );
+               }
+            }
+        }
+    }
+}