1 /* 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 7161881 26 * @run main/othervm -Djava.net.preferIPv6Addresses=true BindNull 27 * @summary Make sure the bind method uses an ipv4 address for the null case 28 * when the DatagramChannel is connected to an IPv4 socket and 29 * -Djava.net.preferIPv6Addresses=true. 30 */ 31 32 import java.io.*; 33 import java.net.*; 34 import java.nio.channels.*; 35 36 public class BindNull { main(String[] args)37 public static void main(String[] args) throws IOException { 38 try (DatagramChannel dc = DatagramChannel.open()) { 39 dc.bind(null); 40 } 41 try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET)) { 42 dc.bind(null); 43 } 44 try (DatagramChannel dc = DatagramChannel.open(StandardProtocolFamily.INET6)) { 45 dc.bind(null); 46 } catch (UnsupportedOperationException uoe) { 47 // IPv6 not available 48 } 49 } 50 } 51