001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.commons.net;
019
020 import org.apache.commons.net.util.SubnetUtils;
021 import org.apache.commons.net.util.SubnetUtils.SubnetInfo;
022
023 import junit.framework.TestCase;
024
025 public class SubnetUtilsTest extends TestCase {
026
027 public void testParseSimpleNetmask() {
028 final String address = "192.168.0.1";
029 final String masks[] = new String[] { "255.0.0.0", "255.255.0.0", "255.255.255.0", "255.255.255.248"};
030 final String bcastAddresses[] = new String[] { "192.255.255.255", "192.168.255.255", "192.168.0.255", "192.168.0.7"};
031 final String lowAddresses[] = new String[] { "192.0.0.1", "192.168.0.1", "192.168.0.1", "192.168.0.1" };
032 final String highAddresses[] = new String[] { "192.255.255.254", "192.168.255.254", "192.168.0.254", "192.168.0.6" };
033 final String networkAddresses[] = new String[] { "192.0.0.0", "192.168.0.0", "192.168.0.0", "192.168.0.0" };
034 final String cidrSignatures[] = new String[] { "192.168.0.1/8", "192.168.0.1/16", "192.168.0.1/24", "192.168.0.1/29" };
035 final int usableAddresses[] = new int[] { 16777214, 65534, 254, 6 };
036
037 for (int i = 0; i < masks.length; ++i) {
038 SubnetUtils utils = new SubnetUtils(address, masks[i]);
039 SubnetInfo info = utils.getInfo();
040 assertEquals(bcastAddresses[i], info.getBroadcastAddress());
041 assertEquals(cidrSignatures[i], info.getCidrSignature());
042 assertEquals(lowAddresses[i], info.getLowAddress());
043 assertEquals(highAddresses[i], info.getHighAddress());
044 assertEquals(networkAddresses[i], info.getNetworkAddress());
045 assertEquals(usableAddresses[i], info.getAddressCount());
046 }
047 }
048
049 public void testAddresses() {
050 SubnetUtils utils = new SubnetUtils("192.168.0.1/29");
051 SubnetInfo info = utils.getInfo();
052 assertTrue(info.isInRange("192.168.0.1"));
053 // We dont count the broadcast address as usable
054 assertFalse(info.isInRange("192.168.0.7"));
055 assertFalse(info.isInRange("192.168.0.8"));
056 assertFalse(info.isInRange("10.10.2.1"));
057 assertFalse(info.isInRange("192.168.1.1"));
058 assertFalse(info.isInRange("192.168.0.255"));
059 }
060 }