/*
 *  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.Serializable;
import java.net.Inet4Address;
import java.net.InetAddress;

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

public class Inet4AddressTest extends junit.framework.TestCase {

    /**
     * java.net.Inet4Address#isMulticastAddress()
     */
    public void test_isMulticastAddress() throws Exception {

        // Create 2 IP v4 addresses and call "isMulticastAddress()"
        // result should return true if the first 4 bits of the
        // address are: 1110, false otherwise
        // Make 1 address with 1110, and 1 without
        String addrName = "";
        addrName = "224.0.0.0"; // a multicast addr 1110 = 224-239
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("Multicast address " + addrName + " not detected.", addr
                .isMulticastAddress());

        addrName = "239.255.255.255"; // a multicast addr 1110 = 224-239
        addr = InetAddress.getByName(addrName);
        assertTrue("Multicast address " + addrName + " not detected.", addr
                .isMulticastAddress());

        addrName = "42.42.42.42"; // a non-multicast address
        addr = InetAddress.getByName(addrName);
        assertTrue("Non multicast address " + addrName
                + " reporting as a multicast address.", !addr
                .isMulticastAddress());

    }

    public void test_isAnyLocalAddress() throws Exception {
        assertTrue(InetAddress.getByName("0.0.0.0").isAnyLocalAddress());
        assertFalse(InetAddress.getByName("127.0.0.1").isAnyLocalAddress());
    }

    public void test_isLoopbackAddress() throws Exception {
        // Create some IP V4 addresses and test if they are local...

        String addrName = "";

        addrName = "127.0.0.0"; // a loopback address should be 127.d.d.d
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("Loopback address " + addrName + " not detected.", addr
                .isLoopbackAddress());

        addrName = "127.42.42.42"; // a loopback address should be
        // 127.d.d.d
        addr = InetAddress.getByName(addrName);
        assertTrue("Loopback address " + addrName + " not detected.", addr
                .isLoopbackAddress());

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

    /**
     * java.net.Inet4Address#isLinkLocalAddress()
     */
    public void test_isLinkLocalAddress() throws Exception {

        String addrName = "";
        // There are no link local addresses for IPv4
        // We'll test one to ensure we get "false"

        addrName = "42.42.42.42";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 address " + addrName
                + " incorrectly reporting as a link local address.", !addr
                .isLinkLocalAddress());
    }

    /**
     * java.net.Inet4Address#isSiteLocalAddress()
     */
    public void test_isSiteLocalAddress() throws Exception {
        String addrName = "";
        // There are no site local addresses for IPv4
        // We'll test one to ensure we get "false"

        addrName = "42.42.42.42";
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 address " + addrName
                + " incorrectly reporting as a site local address.", !addr
                .isSiteLocalAddress());
    }

    /**
     * java.net.Inet4Address#isMCGlobal()
     */
    public void test_isMCGlobal() throws Exception {

        // Create an IPv4 mulitcast address. It should return
        // false for globabl mutlicast. There are no valid IPv4
        // global multicast addresses

        String addrName = "";
        addrName = "224.0.0.0"; // a multicast addr 1110
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 link-local multicast address " + addrName
                + " incorrectly identified as a global multicast address.",
                !addr.isMCGlobal());

        addrName = "224.0.0.255"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 link-local multicast address " + addrName
                + " incorrectly identified as a global multicast address.",
                !addr.isMCGlobal());

        addrName = "224.0.1.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 global multicast address " + addrName
                + " not identified as a global multicast address.", addr
                .isMCGlobal());

        addrName = "238.255.255.255"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 global multicast address " + addrName
                + " not identified as a global multicast address.", addr
                .isMCGlobal());

        addrName = "239.0.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 reserved multicast address " + addrName
                + " incorrectly identified as a global multicast address.",
                !addr.isMCGlobal());

        addrName = "239.191.255.255"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 reserved multicast address " + addrName
                + " incorrectly identified as a global multicast address.",
                !addr.isMCGlobal());
    }

    /**
     * java.net.Inet4Address#isMCNodeLocal()
     */
    public void test_isMCNodeLocal() throws Exception {
        // Create an IPv4 mulitcast address. It should return
        // false for node-local mutlicast. There are no valid IPv4
        // node-local multicast addresses

        String addrName = "";
        addrName = "224.42.42.42"; // a multicast addr 1110 = 224
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 multicast address "
                        + addrName
                        + " incorrectly identified as a node-local multicast address.",
                !addr.isMCNodeLocal());

        addrName = "239.0.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 reserved multicast address "
                        + addrName
                        + " incorrectly identified as a node-local multicast address.",
                !addr.isMCNodeLocal());
    }

    /**
     * java.net.Inet4Address#isMCLinkLocal()
     */
    public void test_isMCLinkLocal() throws Exception {
        // Create an IPv4 mulitcast address. It should return
        // false for link-local mutlicast. There are no valid IPv4
        // link-local multicast addresses

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

        addrName = "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());

        addrName = "224.0.1.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 global multicast address "
                        + addrName
                        + " incorrectly identified as a link-local multicast address.",
                !addr.isMCLinkLocal());

        addrName = "239.0.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 reserved multicast address "
                        + addrName
                        + " incorrectly identified as a link-local multicast address.",
                !addr.isMCLinkLocal());
    }

    /**
     * java.net.Inet4Address#isMCSiteLocal()
     */
    public void test_isMCSiteLocal() throws Exception {
        // Create an IPv4 mulitcast address. It should return
        // false for site-local mutlicast. There are no valid IPv4
        // site-local multicast addresses

        String addrName = "";
        addrName = "240.0.0.0"; // a multicast addr 1110 = 224
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 multicast address "
                        + addrName
                        + " incorrectly identified as a site-local multicast address.",
                !addr.isMCSiteLocal());

        addrName = "239.0.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 reserved multicast address "
                        + addrName
                        + " incorrectly identified as a site-local multicast address.",
                !addr.isMCSiteLocal());

        addrName = "239.255.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 site-local multicast address " + addrName
                + " not identified as a site-local multicast address.",
                addr.isMCSiteLocal());

        addrName = "239.255.255.255"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 site-local multicast address " + addrName
                + " not identified as a site-local multicast address.",
                addr.isMCSiteLocal());

        addrName = "239.255.2.2"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 site-local multicast address " + addrName
                + " not identified as a site-local multicast address.",
                addr.isMCSiteLocal());
    }

    /**
     * java.net.Inet4Address#isMCOrgLocal()
     */
    public void test_isMCOrgLocal() throws Exception {
        // Create an IPv4 mulitcast address. It should return
        // false for organization-local mutlicast. There are no valid IPv4
        // organization-local multicast addresses

        String addrName = "";

        addrName = "239.191.255.255"; // a multicast addr 1110
        InetAddress addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 reserved multicast address "
                        + addrName
                        + " incorrectly identified as a org-local multicast address.",
                !addr.isMCOrgLocal());

        addrName = "239.252.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue(
                "IPv4 site-local multicast address "
                        + addrName
                        + " incorrectly identified as a org-local multicast address.",
                !addr.isMCOrgLocal());

        addrName = "239.192.0.0"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 org-local multicast address " + addrName
                + " not identified as a org-local multicast address.", addr
                .isMCOrgLocal());

        addrName = "239.195.255.255"; // a multicast addr 1110
        addr = InetAddress.getByName(addrName);
        assertTrue("IPv4 org-local multicast address " + addrName
                + " not identified as a org-local multicast address.", addr
                .isMCOrgLocal());
    }

    // comparator for Inet4Address objects
    private static final SerializableAssert COMPARATOR = new SerializableAssert() {
        public void assertDeserialized(Serializable initial,
                Serializable deserialized) {

            Inet4Address initAddr = (Inet4Address) initial;
            Inet4Address desrAddr = (Inet4Address) deserialized;

            byte[] iaAddresss = initAddr.getAddress();
            byte[] deIAAddresss = desrAddr.getAddress();
            for (int i = 0; i < iaAddresss.length; i++) {
                assertEquals(iaAddresss[i], deIAAddresss[i]);
            }
            assertEquals(4, deIAAddresss.length);
            assertEquals(initAddr.getHostName(), desrAddr.getHostName());
        }
    };

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

        SerializationTest.verifySelf(Inet4Address.getByName("localhost"),
                COMPARATOR);
    }

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

        SerializationTest.verifyGolden(this, Inet4Address
                .getByName("localhost"), COMPARATOR);
    }
}