| /* |
| * Copyright (c) 2004, 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 5087907 |
| * @summary InetAddress.getAllByName does not obey setting of java.net.preferIPv6Addresses |
| * @run main/othervm -Djava.net.preferIPv6Addresses=false B5087907 |
| * @run main/othervm -Djava.net.preferIPv6Addresses=true B5087907 |
| * @run main/othervm B5087907 |
| */ |
| |
| import java.net.*; |
| |
| public class B5087907 { |
| |
| public static void main(String args[]) { |
| InetAddress lh = null; |
| InetAddress addrs[] = null; |
| try { |
| lh = InetAddress.getByName("localhost"); |
| addrs = InetAddress.getAllByName("localhost"); |
| } catch (UnknownHostException e) { |
| System.out.println ("Cant lookup localhost. cant run test"); |
| return; |
| } |
| |
| boolean hasIPv4Address = false; |
| boolean hasIPv6Address = false; |
| for (InetAddress addr: addrs) { |
| if (addr instanceof Inet4Address) { |
| hasIPv4Address = true; |
| } |
| if (addr instanceof Inet6Address) { |
| hasIPv6Address = true; |
| } |
| if (hasIPv4Address && hasIPv6Address) { |
| break; |
| } |
| } |
| |
| String prop = System.getProperty("java.net.preferIPv6Addresses"); |
| boolean preferIPv6Addresses = (prop == null) ? false : prop.equals("true"); |
| |
| System.out.println("java.net.preferIPv6Addresses: " + preferIPv6Addresses); |
| System.out.println("localhost resolves to:"); |
| for (InetAddress addr: addrs) { |
| System.out.println(" " + addr); |
| } |
| System.out.println("InetAddres.getByName returned: " + lh); |
| |
| boolean failed = false; |
| if (preferIPv6Addresses && hasIPv6Address) { |
| if (!(lh instanceof Inet6Address)) failed = true; |
| } |
| if (!preferIPv6Addresses && hasIPv4Address) { |
| if (!(lh instanceof Inet4Address)) failed = true; |
| } |
| if (failed) { |
| throw new RuntimeException("Test failed!"); |
| } |
| } |
| |
| } |