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18 package org.apache.commons.net;
19
20 import org.apache.commons.net.util.SubnetUtils;
21 import org.apache.commons.net.util.SubnetUtils.SubnetInfo;
22
23 import junit.framework.TestCase;
24
25 public class SubnetUtilsTest extends TestCase {
26
27 public void testParseSimpleNetmask() {
28 final String address = "192.168.0.1";
29 final String masks[] = new String[] { "255.0.0.0", "255.255.0.0", "255.255.255.0", "255.255.255.248"};
30 final String bcastAddresses[] = new String[] { "192.255.255.255", "192.168.255.255", "192.168.0.255", "192.168.0.7"};
31 final String lowAddresses[] = new String[] { "192.0.0.1", "192.168.0.1", "192.168.0.1", "192.168.0.1" };
32 final String highAddresses[] = new String[] { "192.255.255.254", "192.168.255.254", "192.168.0.254", "192.168.0.6" };
33 final String networkAddresses[] = new String[] { "192.0.0.0", "192.168.0.0", "192.168.0.0", "192.168.0.0" };
34 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" };
35 final int usableAddresses[] = new int[] { 16777214, 65534, 254, 6 };
36
37 for (int i = 0; i < masks.length; ++i) {
38 SubnetUtils utils = new SubnetUtils(address, masks[i]);
39 SubnetInfo info = utils.getInfo();
40 assertEquals(bcastAddresses[i], info.getBroadcastAddress());
41 assertEquals(cidrSignatures[i], info.getCidrSignature());
42 assertEquals(lowAddresses[i], info.getLowAddress());
43 assertEquals(highAddresses[i], info.getHighAddress());
44 assertEquals(networkAddresses[i], info.getNetworkAddress());
45 assertEquals(usableAddresses[i], info.getAddressCount());
46 }
47 }
48
49 public void testAddresses() {
50 SubnetUtils utils = new SubnetUtils("192.168.0.1/29");
51 SubnetInfo info = utils.getInfo();
52 assertTrue(info.isInRange("192.168.0.1"));
53
54 assertFalse(info.isInRange("192.168.0.7"));
55 assertFalse(info.isInRange("192.168.0.8"));
56 assertFalse(info.isInRange("10.10.2.1"));
57 assertFalse(info.isInRange("192.168.1.1"));
58 assertFalse(info.isInRange("192.168.0.255"));
59 }
60 }