/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.harmony.tests.java.net;

import java.io.InvalidObjectException;
import java.io.Serializable;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.UnknownHostException;
import java.util.Locale;

import org.apache.harmony.testframework.serialization.SerializationTest;
import org.apache.harmony.testframework.serialization.SerializationTest.SerializableAssert;

public class Inet6AddressTest extends junit.framework.TestCase {
    public void test_isMulticastAddress() throws Exception {

        String addrName = "";
        InetAddress addr = null;

        // IP V6 regular multicast and non-multicast tests
        //
        // Create 2 IP v6 addresses and call "isMulticastAddress()"
        // A prefix of "11111111" means that the address is multicast
        // The first one will be one with the prefix the second without

        addrName = "FFFF::42:42"; // 11111111 = FFFF
        addr = InetAddress.getByName(addrName);
        assertTrue("Multicast address " + addrName + " not detected.", addr
                .isMulticastAddress());

        addrName = "42::42:42"; // an non-multicast address
        addr = InetAddress.getByName(addrName);
        assertTrue("Non multicast address " + addrName
                + " reporting as a multicast address.", !addr
                .isMulticastAddress());

        // IPv4-compatible IPv6 address tests
        //
        // Now create 2 IP v6 addresses that are IP v4 compatable
        // to IP v6 addresses. The address prefix for a multicast ip v4
        // address is 1110 for the last 16 bits ::d.d.d.d
        // We expect these to be false

        addrName = "::224.42.42.42"; // an ipv4 multicast addr 1110 = 224
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 compatable address " + addrName
                + " reported incorrectly as multicast.", !addr
                .isMulticastAddress());

        addrName = "::42.42.42.42"; // an ipv4 non-multicast address
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 compatable address " + addrName
                + " reported incorrectly as multicast.", !addr
                .isMulticastAddress());

        // IPv4-mapped IPv6 address tests
        //
        // Now create 2 IP v6 addresses that are IP v4 compatable
        // to IP v6 addresses. The address prefix for a multicast ip v4
        // address is 1110 for the last 16 bits ::FFFF:d.d.d.d

        addrName = "::FFFF:224.42.42.42"; // an ipv4 multicast addr 1110 =
        // 224
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-mapped IPv6 multicast address " + addrName
                + " not detected.", addr.isMulticastAddress());

        addrName = "::FFFF:42.42.42.42"; // an ipv4 non-multicast address
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-mapped IPv6 non-multicast address " + addrName
                + " reporting as a multicast address.", !addr
                .isMulticastAddress());
    }

    public void test_isAnyLocalAddress() throws Exception {

        String addrName = "";
        InetAddress addr = null;

        // test to ensure that the unspecified address returns tru
        addrName = "::0"; // The unspecified address
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "The unspecified (also known as wildcard and any local address) "
                        + addrName + " not detected.", addr
                .isAnyLocalAddress());

        addrName = "::"; // another form of the unspecified address
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "The unspecified (also known as wildcard and any local address) "
                        + addrName + " not detected.", addr
                .isAnyLocalAddress());

        addrName = "::1"; // The loopback address
        addr = InetAddress.getByName(addrName);
        assertTrue("The addresses " + addrName
                + " incorrectly reporting an the unspecified address.",
                !addr.isAnyLocalAddress());
    }

    public void test_isLoopbackAddress() throws Exception {

        String addrName = "";
        // IP V6 regular address tests for loopback
        // The loopback address for IPv6 is ::1

        addrName = "::1";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 loopback address " + addrName + " not detected.",
                addr.isLoopbackAddress());

        addrName = "::2";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 address incorrectly " + addrName
                + " detected as a loopback address.", !addr
                .isLoopbackAddress());

        // a loopback address should be 127.d.d.d
        addrName = "42:42::42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 address incorrectly " + addrName
                + " detected as a loopback address.", !addr
                .isLoopbackAddress());

        // IPv4-compatible IPv6 address tests
        //
        // Now create 2 IP v6 addresses that are IP v4 compatable
        // to IP v6 addresses. The address prefix for a multicast ip v4
        // address is 1110 for the last 16 bits ::d.d.d.d
        // We expect these to be false, as they are not IPv4 addresses

        // a loopback address should be 127.d.d.d
        addrName = "::127.0.0.0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-compatible IPv6 address " + addrName
                + " detected incorrectly as a loopback.", !addr
                .isLoopbackAddress());

        addrName = "::127.42.42.42"; // a loopback address should be
        // 127.d.d.d
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-compatible IPv6 address " + addrName
                + " detected incorrectly as a loopback.", !addr
                .isLoopbackAddress());

        // a loopback address should be 127.d.d.d
        addrName = "::42.42.42.42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-compatible IPv6 address " + addrName
                + " detected incorrectly as a loopback.", !addr
                .isLoopbackAddress());

        // IPv4-mapped IPv6 address tests
        //
        // Now create 2 IP v6 addresses that are IP v4 compatable
        // to IP v6 addresses. The address prefix for a multicast ip v4
        // address is 1110 for the last 16 bits ::FFFF:d.d.d.d

        // a loopback address should be 127.d.d.d
        addrName = "::FFFF:127.0.0.0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-compatible IPv6 loopback address " + addrName
                + " not detected.", addr.isLoopbackAddress());

        // a loopback address should be 127.d.d.d
        addrName = "::FFFF:127.42.42.42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-compatible IPv6 loopback address " + addrName
                + " not detected.", addr.isLoopbackAddress());

        // a loopback address should be 127.d.d.d
        addrName = "::FFFF:42.42.42.42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4-compatible IPv6 address incorrectly " + addrName
                + " detected as a loopback address.", !addr
                .isLoopbackAddress());
    }

    public void test_isLinkLocalAddress() throws Exception {

        String addrName = "";
        // IP V6 regular address tests for link local addresses
        //
        // Link local addresses are FE80:: -
        // FEBF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

        addrName = "FE80::0";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 link local address " + addrName + " not detected.",
                addr.isLinkLocalAddress());

        addrName = "FEBF::FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 link local address " + addrName + " not detected.",
                addr.isLinkLocalAddress());

        addrName = "FEC0::1";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 address " + addrName
                + " detected incorrectly as a link local address.", !addr
                .isLinkLocalAddress());

        addrName = "FD80::1:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 address " + addrName
                + " detected incorrectly as a link local address.", !addr
                .isLinkLocalAddress());

        addrName = "FE7F::FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 address " + addrName
                + " detected incorrectly as a link local address.", !addr
                .isLinkLocalAddress());
    }

    public void test_isSiteLocalAddress() throws Exception {
        String addrName = "";

        // IP V6 regular address tests for link local addresses
        //
        // Link local addresses are FEC0::0 through to
        // FEFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

        addrName = "FEC0::0";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 site local address " + addrName + " not detected.",
                addr.isSiteLocalAddress());

        addrName = "FEFF::FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 site local address " + addrName + " not detected.",
                addr.isSiteLocalAddress());

        addrName = "FEBF::FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 address " + addrName
                + " detected incorrectly as a site local address.", !addr
                .isSiteLocalAddress());

        addrName = "FFC0::0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 address " + addrName
                + " detected incorrectly as a site local address.", !addr
                .isSiteLocalAddress());
    }

    public void test_isMCGlobal() throws Exception {
        String addrName = "";
        // IP V6 regular address tests for Mulitcase Global addresses
        //
        // Multicast global addresses are FFxE:/112 where x is
        // a set of flags, and the addition 112 bits make up
        // the global address space

        addrName = "FF0E::0";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 global mutlicast address " + addrName
                + " not detected.", addr.isMCGlobal());

        addrName = "FF0E:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 global multicast address " + addrName
                + " not detected.", addr.isMCGlobal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFFE::0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 global mutlicast address " + addrName
                + " not detected.", addr.isMCGlobal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFFE:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 global multicast address " + addrName
                + " not detected.", addr.isMCGlobal());

        // a sample MC organizational address
        addrName = "FF08:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast organizational " + addrName
                + " incorrectly indicated as a global address.", !addr
                .isMCGlobal());

        // a sample MC site address
        addrName = "FF05:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast site address " + addrName
                + " incorrectly indicated as a global address.", !addr
                .isMCGlobal());

        // a sample MC link address
        addrName = "FF02:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast link address " + addrName
                + " incorrectly indicated as a global address.", !addr
                .isMCGlobal());

        // a sample MC Node
        addrName = "FF01:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast node address " + addrName
                + " incorrectly indicated as a global address.", !addr
                .isMCGlobal());

        // IPv4-mapped IPv6 address tests
        addrName = "::FFFF:224.0.1.0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 global multicast address " + addrName
                + " not identified as a global multicast address.", addr
                .isMCGlobal());

        addrName = "::FFFF:238.255.255.255";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 global multicast address " + addrName
                + " not identified as a global multicast address.", addr
                .isMCGlobal());
    }

    public void test_isMCNodeLocal() throws Exception {
        String addrName = "";
        // IP V6 regular address tests for Mulitcase node local addresses
        //
        // Multicast node local addresses are FFx1:/112 where x is
        // a set of flags, and the addition 112 bits make up
        // the global address space

        addrName = "FF01::0";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 node-local mutlicast address " + addrName
                + " not detected.", addr.isMCNodeLocal());

        addrName = "FF01:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 node-local multicast address " + addrName
                + " not detected.", addr.isMCNodeLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF1::0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 node-local mutlicast address " + addrName
                + " not detected.", addr.isMCNodeLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF1:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 node-local multicast address " + addrName
                + " not detected.", addr.isMCNodeLocal());

        // a sample MC organizational address
        addrName = "FF08:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast organizational address " + addrName
                + " incorrectly indicated as a node-local address.", !addr
                .isMCNodeLocal());

        // a sample MC site address
        addrName = "FF05:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast site address " + addrName
                + " incorrectly indicated as a node-local address.", !addr
                .isMCNodeLocal());

        // a sample MC link address
        addrName = "FF02:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast link address " + addrName
                + " incorrectly indicated as a node-local address.", !addr
                .isMCNodeLocal());

        // a sample MC global address
        addrName = "FF0E:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 mulitcast node address " + addrName
                + " incorrectly indicated as a node-local address.", !addr
                .isMCNodeLocal());
    }

    public void test_isMCLinkLocal() throws Exception {
        String addrName = "";
        // IP V6 regular address tests for Mulitcase link local addresses
        //
        // Multicast link local addresses are FFx2:/112 where x is
        // a set of flags, and the addition 112 bits make up
        // the global address space

        addrName = "FF02::0";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 link local multicast address " + addrName
                + " not detected.", addr.isMCLinkLocal());

        addrName = "FF02:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 link local multicast address " + addrName
                + " not detected.", addr.isMCLinkLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF2::0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 link local multicast address " + addrName
                + " not detected.", addr.isMCLinkLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF2:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 link local multicast address " + addrName
                + " not detected.", addr.isMCLinkLocal());

        // a sample MC organizational address
        addrName = "FF08:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 organization multicast address "
                        + addrName
                        + " incorrectly indicated as a link-local mulitcast address.",
                !addr.isMCLinkLocal());

        // a sample MC site address
        addrName = "FF05:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 site-local mulitcast address "
                        + addrName
                        + " incorrectly indicated as a link-local mulitcast address.",
                !addr.isMCLinkLocal());

        // a sample MC global address
        addrName = "FF0E:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 global multicast address "
                        + addrName
                        + " incorrectly indicated as a link-local mulitcast address.",
                !addr.isMCLinkLocal());

        // a sample MC Node
        addrName = "FF01:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 mulitcast node address "
                        + addrName
                        + " incorrectly indicated as a link-local mulitcast address.",
                !addr.isMCLinkLocal());

        // Ipv4-mapped IPv6 addresses

        addrName = "::FFFF:224.0.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 link-local multicast address " + addrName
                + " not identified as a link-local multicast address.",
                addr.isMCLinkLocal());

        addrName = "::FFFF:224.0.0.255"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 link-local multicast address " + addrName
                + " not identified as a link-local multicast address.",
                addr.isMCLinkLocal());
    }

    public void test_isMCSiteLocal() throws Exception {
        String addrName = "";
        // IP V6 regular address tests for Multicast site-local addresses
        //
        // Multicast global addresses are FFx5:/112 where x is
        // a set of flags, and the addition 112 bits make up
        // the global address space

        addrName = "FF05::0";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 site-local mutlicast address " + addrName
                + " not detected.", addr.isMCSiteLocal());

        addrName = "FF05:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 site-local multicast address " + addrName
                + " not detected.", addr.isMCSiteLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF5::0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 site-local mutlicast address " + addrName
                + " not detected.", addr.isMCSiteLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF5:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 site-local multicast address " + addrName
                + " not detected.", addr.isMCSiteLocal());

        // a sample MC organizational address
        addrName = "FF08:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 organization multicast address "
                        + addrName
                        + " incorrectly indicated as a site-local mulitcast address.",
                !addr.isMCSiteLocal());

        // a sample MC global address
        addrName = "FF0E:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 global mulitcast address "
                        + addrName
                        + " incorrectly indicated as a site-local mulitcast address.",
                !addr.isMCSiteLocal());

        // a sample MC link address
        addrName = "FF02:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 link-local multicast address "
                        + addrName
                        + " incorrectly indicated as a site-local mulitcast address.",
                !addr.isMCSiteLocal());

        // a sample MC Node
        addrName = "FF01:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 mulitcast node address "
                        + addrName
                        + " incorrectly indicated as a site-local mulitcast address.",
                !addr.isMCSiteLocal());

        // IPv4-mapped IPv6 addresses
        addrName = "::FFFF:239.255.0.0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 site-local multicast address " + addrName
                + " not identified as a site-local multicast address.",
                addr.isMCSiteLocal());

        addrName = "::FFFF:239.255.255.255";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 site-local multicast address " + addrName
                + " not identified as a site-local multicast address.",
                addr.isMCSiteLocal());
    }

    public void test_isMCOrgLocal() throws Exception {
        String addrName = "";
        // IP V6 regular address tests for Mulitcase organization-local
        // addresses
        //
        // Multicast global addresses are FFxE:/112 where x is
        // a set of flags, and the addition 112 bits make up
        // the global address space

        addrName = "FF08::0";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 organization-local mutlicast address " + addrName
                + " not detected.", addr.isMCOrgLocal());

        addrName = "FF08:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 organization-local multicast address " + addrName
                + " not detected.", addr.isMCOrgLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF8::0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 organization-local mutlicast address " + addrName
                + " not detected.", addr.isMCOrgLocal());

        // a currently invalid address as the prefix FFxE
        // is only valid for x = {1,0} as the rest are reserved
        addrName = "FFF8:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv6 organization-local multicast address " + addrName
                + " not detected.", addr.isMCOrgLocal());

        // a sample MC global address
        addrName = "FF0E:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 global multicast address "
                        + addrName
                        + " incorrectly indicated as an organization-local mulitcast address.",
                !addr.isMCOrgLocal());

        // a sample MC site address
        addrName = "FF05:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 site-local mulitcast address "
                        + addrName
                        + " incorrectly indicated as an organization-local mulitcast address.",
                !addr.isMCOrgLocal());

        // a sample MC link address
        addrName = "FF02:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 link-local multicast address "
                        + addrName
                        + " incorrectly indicated as an organization-local mulitcast address.",
                !addr.isMCOrgLocal());

        // a sample MC Node
        addrName = "FF01:42:42:42:42:42:42:42";
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv6 mulitcast node address "
                        + addrName
                        + " incorrectly indicated as an organization-local mulitcast address.",
                !addr.isMCOrgLocal());

        // IPv4-mapped IPv6 addresses

        addrName = "::FFFF:239.192.0.0";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 org-local multicast address " + addrName
                + " not identified as a org-local multicast address.", addr
                .isMCOrgLocal());

        addrName = "::FFFF:239.195.255.255";
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 org-local multicast address " + addrName
                + " not identified as a org-local multicast address.", addr
                .isMCOrgLocal());
    }

    public void test_isIPv4CompatibleAddress() throws Exception {
        String addrName = "";
        Inet6Address addr = null;

        // Tests a number of addresses to see if they are compatable with
        // IPv6 addresses

        addrName = "FFFF::42:42"; // 11111111 = FFFF
        addr = (Inet6Address) InetAddress.getByName(addrName);
        assertTrue("A non-compatable IPv6 address " + addrName
                + " incorrectly identified as a IPv4 compatable address.",
                !addr.isIPv4CompatibleAddress());

        // IPv4-compatible IPv6 address tests
        //
        // Now create 2 IP v6 addresses that are IP v4 compatable
        // to IP v6 addresses.

        addrName = "::0.0.0.0";
        addr = (Inet6Address) InetAddress.getByName(addrName);
        assertTrue("IPv4 compatable address " + addrName
                + " not detected correctly.", addr
                .isIPv4CompatibleAddress());

        addrName = "::255.255.255.255"; // an ipv4 non-multicast address
        addr = (Inet6Address) InetAddress.getByName(addrName);
        assertTrue("IPv4 compatable address " + addrName
                + " not detected correctly.", addr
                .isIPv4CompatibleAddress());
    }

    public void test_getByNameLjava_lang_String() throws Exception {
        // ones to add "::255.255.255.255", "::FFFF:0.0.0.0",
        // "0.0.0.0.0.0::255.255.255.255", "F:F:F:F:F:F:F:F",
        // "[F:F:F:F:F:F:F:F]"
        String validIPAddresses[] = { "::1.2.3.4", "::", "::", "1::0", "1::",
                "::1", "0", /* jdk1.5 accepts 0 as valid */
                "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF",
                "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:255.255.255.255",
                "0:0:0:0:0:0:0:0", "0:0:0:0:0:0:0.0.0.0" };

        String invalidIPAddresses[] = { "FFFF:FFFF" };

        for (int i = 0; i < validIPAddresses.length; i++) {

            InetAddress.getByName(validIPAddresses[i]);

            //exercise positive cache
            InetAddress.getByName(validIPAddresses[i]);

            if (!validIPAddresses[i].equals("0")) {
                String tempIPAddress = "[" + validIPAddresses[i] + "]";
                InetAddress.getByName(tempIPAddress);
            }
        }

        for (int i = 0; i < invalidIPAddresses.length; i++) {
            try {
                InetAddress.getByName(invalidIPAddresses[i]);
                fail("Invalid IP address incorrectly recognized as valid: "
                        + invalidIPAddresses[i]);
            } catch (Exception e) {
            }

            //exercise negative cache
            try {
                InetAddress.getByName(invalidIPAddresses[i]);
                fail("Invalid IP address incorrectly recognized as valid: "
                        + invalidIPAddresses[i]);
            } catch (Exception e) {
            }
        }
    }

    public void test_getByAddressLString$BI() throws UnknownHostException {
        try {
            Inet6Address.getByAddress("123", null, 0);
            fail("should throw UnknownHostException");
        } catch (UnknownHostException uhe) {
            // expected
        }
        byte[] addr1 = { (byte) 127, 0, 0, 1 };
        try {
            Inet6Address.getByAddress("123", addr1, 0);
            fail("should throw UnknownHostException");
        } catch (UnknownHostException uhe) {
            // expected
        }

        byte[] addr2 = { (byte) 0xFE, (byte) 0x80, 0, 0, 0, 0, 0, 0, 0x02,
                0x11, 0x25, (byte) 0xFF, (byte) 0xFE, (byte) 0xF8, (byte) 0x7C,
                (byte) 0xB2 };

        // should not throw any exception
        Inet6Address.getByAddress("123", addr2, 3);
        Inet6Address.getByAddress("123", addr2, 0);
        Inet6Address.getByAddress("123", addr2, -1);
    }

    public void test_getByAddressLString$BLNetworkInterface()
            throws UnknownHostException {
        NetworkInterface nif = null;
        try {
            Inet6Address.getByAddress("123", null, nif);
            fail("should throw UnknownHostException");
        } catch (UnknownHostException uhe) {
            // expected
        }
        byte[] addr1 = { (byte) 127, 0, 0, 1 };
        try {
            Inet6Address.getByAddress("123", addr1, nif);
            fail("should throw UnknownHostException");
        } catch (UnknownHostException uhe) {
            // expected
        }
        byte[] addr2 = { (byte) 0xFE, (byte) 0x80, 0, 0, 0, 0, 0, 0, 0x02,
                0x11, 0x25, (byte) 0xFF, (byte) 0xFE, (byte) 0xF8, (byte)

                0x7C, (byte) 0xB2 };
        // should not throw any exception
        Inet6Address.getByAddress("123", addr2, nif);
    }

    public void test_getHostAddress_() throws Exception {
        byte[] ipAddress = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
        InetAddress ia = InetAddress.getByAddress(ipAddress);
        assertEquals("::1", ia.getHostAddress().toLowerCase(Locale.US));

        ipAddress = new byte[] { -2, -128, 0, 0, 0, 0, 0, 0, 2, 17, 37, -1, -2, -8, 124, -79 };
        ia = InetAddress.getByAddress(ipAddress);
        assertEquals("fe80::211:25ff:fef8:7cb1", ia.getHostAddress().toLowerCase(Locale.US));
    }

    public void test_getScopeID() throws UnknownHostException {
        Inet6Address v6ia;
        byte[] addr = { (byte) 0xFE, (byte) 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x11,
                0x25, (byte) 0xFF, (byte) 0xFE, (byte) 0xF8, (byte) 0x7C,
                (byte) 0xB2 };

        v6ia = Inet6Address.getByAddress("123", addr, 3);
        assertEquals(3, v6ia.getScopeId());

        v6ia = Inet6Address.getByAddress("123", addr, 0);
        assertEquals(0, v6ia.getScopeId());

        v6ia = Inet6Address.getByAddress("123", addr, -1);
        assertEquals(0, v6ia.getScopeId());
    }

    public void test_getScopedInterface() throws UnknownHostException {
        byte[] addr = { (byte) 0xFE, (byte) 0x80, (byte) 0x09, (byte) 0xb5,
                (byte) 0x6b, (byte) 0xa4, 0, 0, 0, 0, 0, 0, (byte) 0x09,
                (byte) 0xb5, (byte) 0x6b, (byte) 0xa4 };
        Inet6Address v6Addr;
        v6Addr = Inet6Address.getByAddress("123", addr, null);
        assertNull(v6Addr.getScopedInterface());
    }

    public void test_hashCode() throws UnknownHostException {
        byte[] addr = { (byte) 0xFE, (byte) 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x11,
                0x25, (byte) 0xFF, (byte) 0xFE, (byte) 0xF8, (byte) 0x7C,
                (byte) 0xB2 };
        Inet6Address address1, address2;

        address1 = Inet6Address.getByAddress("123", addr, 0);
        address2 = Inet6Address.getByAddress("1234", addr, 0);
        assertEquals(address1.hashCode(), address2.hashCode());
    }

    int bytesToInt(byte bytes[], int start) {

        int byteMask = 255;
        int value = ((bytes[start + 3] & byteMask))
                | ((bytes[start + 2] & byteMask) << 8)
                | ((bytes[start + 1] & byteMask) << 16)
                | ((bytes[start] & byteMask) << 24);
        return value;

    }

    String byteArrayToHexString(byte bytes[], boolean leadingZeros) {

        String fullString = "";
        int times = bytes.length / 4;
        int intArray[] = new int[times];
        for (int i = 0; i < times; i++) {
            intArray[i] = bytesToInt(bytes, i * 4);
        }

        return intArrayToHexString(intArray, leadingZeros);
    }

    void intToBytes(int value, byte bytes[], int start) {

        int byteMask = 255;
        bytes[start + 3] = (byte) (value & byteMask);
        bytes[start + 2] = (byte) ((value >> 8) & byteMask);
        bytes[start + 1] = (byte) ((value >> 16) & byteMask);
        bytes[start] = (byte) ((value >> 24) & byteMask);
    }

    String intArrayToHexString(int ints[], boolean leadingZeros) {

        String fullString = "";
        String tempString;
        int intsLength = ints.length;
        for (int i = 0; i < intsLength; i++) {
            tempString = Integer.toHexString(ints[i]);
            while (tempString.length() < 4 && leadingZeros) {
                tempString = "0" + tempString;
            }
            if (i + 1 < intsLength) {
                tempString += ":";
            }
            fullString += tempString;
        }

        return fullString.toUpperCase();
    }

    // comparator for Inet6Address objects
    private static final SerializableAssert COMPARATOR = new SerializableAssert() {
        public void assertDeserialized(Serializable initial,
                Serializable deserialized) {

            Inet6Address initAddr = (Inet6Address) initial;
            Inet6Address desrAddr = (Inet6Address) deserialized;

            byte[] iaAddresss = initAddr.getAddress();
            byte[] deIAAddresss = desrAddr.getAddress();
            for (int i = 0; i < iaAddresss.length; i++) {
                assertEquals(iaAddresss[i], deIAAddresss[i]);
            }
            assertEquals(initAddr.getScopeId(), desrAddr.getScopeId());
            assertEquals(initAddr.getScopedInterface(), desrAddr
                    .getScopedInterface());
        }
    };

    /**
     * Tests serialization/deserialization compatibility with ourselves.
     */
    public void testSerializationSelf() throws Exception {

        byte[] localv6 = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };

        SerializationTest.verifySelf(InetAddress.getByAddress(localv6),
                COMPARATOR);
    }

    /**
     * Tests serialization/deserialization compatibility with RI.
     */
    public void testSerializationCompatibility() throws Exception {

        byte[] localv6 = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };

        Object[] addresses = { InetAddress.getByAddress(localv6),
                // Regression for Harmony-1039: ser-form has
                // null interface name
                InetAddress.getByAddress(localv6) };

        try {
            SerializationTest.verifyGolden(this, addresses, COMPARATOR);
            fail();
        } catch (InvalidObjectException expected) {
            // We use different Inet6Address scheme from OpenJDK,
            // deserialization is not supported and should throw an exception.
        }
    }
}
