/*
* Copyright (c) 2006, 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.
*
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*/
/**
* @test
* @bug 6376404
* @summary InetAddress needs a getLoopbackAddress
*/
import java.net.*;
public class GetLoopbackAddress
{
static InetAddress IPv4Loopback;
static InetAddress IPv6Loopback;
static {
try {
IPv4Loopback = InetAddress.getByAddress(
new byte[] {0x7F,0x00,0x00,0x01});
IPv6Loopback = InetAddress.getByAddress(
new byte[] {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01});
} catch (UnknownHostException e) {
}
}
public static void main(String[] args) {
InetAddress addr = InetAddress.getLoopbackAddress();
if (!(addr.equals(IPv4Loopback) || addr.equals(IPv6Loopback)))
throw new RuntimeException("Failed: getLoopbackAddress" +
" not returning a valid loopback address");
InetAddress addr2 = InetAddress.getLoopbackAddress();
if (addr != addr2)
throw new RuntimeException("Failed: getLoopbackAddress" +
" should return a reference to the same InetAddress loopback instance.");
}
}