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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  
21  package org.apache.mina.filter.firewall;
22  
23  import static org.junit.Assert.assertEquals;
24  import static org.junit.Assert.assertFalse;
25  import static org.junit.Assert.assertTrue;
26  
27  import java.net.InetAddress;
28  import java.net.UnknownHostException;
29  
30  import org.junit.Test;
31  
32  /**
33   * TODO Add documentation
34   * 
35   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
36   */
37  public class SubnetIPv4Test {
38      @Test
39      public void test24() throws UnknownHostException {
40          InetAddress a = InetAddress.getByName("127.2.3.0");
41          InetAddress b = InetAddress.getByName("127.2.3.4");
42          InetAddress c = InetAddress.getByName("127.2.3.255");
43          InetAddress d = InetAddress.getByName("127.2.4.4");
44  
45          Subnet mask = new Subnet(a, 24);
46  
47          assertTrue(mask.inSubnet(a));
48          assertTrue(mask.inSubnet(b));
49          assertTrue(mask.inSubnet(c));
50          assertFalse(mask.inSubnet(d));
51      }
52  
53      @Test
54      public void test16() throws UnknownHostException {
55          InetAddress a = InetAddress.getByName("127.2.0.0");
56          InetAddress b = InetAddress.getByName("127.2.3.4");
57          InetAddress c = InetAddress.getByName("127.2.129.255");
58          InetAddress d = InetAddress.getByName("127.3.4.4");
59  
60          Subnet mask = new Subnet(a, 16);
61  
62          assertTrue(mask.inSubnet(a));
63          assertTrue(mask.inSubnet(b));
64          assertTrue(mask.inSubnet(c));
65          assertFalse(mask.inSubnet(d));
66      }
67  
68      @Test
69      public void testSingleIp() throws UnknownHostException {
70          InetAddress a = InetAddress.getByName("127.2.3.4");
71          InetAddress b = InetAddress.getByName("127.2.3.3");
72          InetAddress c = InetAddress.getByName("127.2.3.255");
73          InetAddress d = InetAddress.getByName("127.2.3.0");
74  
75          Subnet mask = new Subnet(a, 32);
76  
77          assertTrue(mask.inSubnet(a));
78          assertFalse(mask.inSubnet(b));
79          assertFalse(mask.inSubnet(c));
80          assertFalse(mask.inSubnet(d));
81      }
82  
83      @Test
84      public void testToString() throws UnknownHostException {
85          InetAddress a = InetAddress.getByName("127.2.3.0");
86          Subnet mask = new Subnet(a, 24);
87  
88          assertEquals("127.2.3.0/24", mask.toString());
89      }
90  
91      @Test
92      public void testToStringLiteral() throws UnknownHostException {
93          InetAddress a = InetAddress.getByName("localhost");
94          Subnet mask = new Subnet(a, 32);
95  
96          assertEquals("127.0.0.1/32", mask.toString());
97      }
98  
99      @Test
100     public void testEquals() throws UnknownHostException {
101         Subnet a = new Subnet(InetAddress.getByName("127.2.3.4"), 32);
102         Subnet b = new Subnet(InetAddress.getByName("127.2.3.4"), 32);
103         Subnet c = new Subnet(InetAddress.getByName("127.2.3.5"), 32);
104         Subnet d = new Subnet(InetAddress.getByName("127.2.3.5"), 24);
105 
106         assertTrue(a.equals(b));
107         assertFalse(a.equals(c));
108         assertFalse(a.equals(d));
109         assertFalse(a.equals(null));
110     }
111 }