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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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*
* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/* @test
* @bug 6964714
* @run main/othervm IPv4Only
* @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() );
}
}
}
}
}