public void testParseSimpleNetmask() {
final String address = "192.168.0.1";
final String masks[] =
new String[] {"255.0.0.0", "255.255.0.0", "255.255.255.0", "255.255.255.248"};
final String bcastAddresses[] =
new String[] {"192.255.255.255", "192.168.255.255", "192.168.0.255", "192.168.0.7"};
final String lowAddresses[] =
new String[] {"192.0.0.1", "192.168.0.1", "192.168.0.1", "192.168.0.1"};
final String highAddresses[] =
new String[] {"192.255.255.254", "192.168.255.254", "192.168.0.254", "192.168.0.6"};
final String networkAddresses[] =
new String[] {"192.0.0.0", "192.168.0.0", "192.168.0.0", "192.168.0.0"};
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"};
final int usableAddresses[] = new int[] {16777214, 65534, 254, 6};
for (int i = 0; i < masks.length; ++i) {
SubnetUtils utils = new SubnetUtils(address, masks[i]);
SubnetInfo info = utils.getInfo();
assertEquals(bcastAddresses[i], info.getBroadcastAddress());
assertEquals(cidrSignatures[i], info.getCidrSignature());
assertEquals(lowAddresses[i], info.getLowAddress());
assertEquals(highAddresses[i], info.getHighAddress());
assertEquals(networkAddresses[i], info.getNetworkAddress());
assertEquals(usableAddresses[i], info.getAddressCount());
}
}
public void testParseSimpleNetmaskInclusive() {
String address = "192.168.15.7";
String masks[] = new String[] {"255.255.255.252", "255.255.255.254", "255.255.255.255"};
String bcast[] = new String[] {"192.168.15.7", "192.168.15.7", "192.168.15.7"};
String netwk[] = new String[] {"192.168.15.4", "192.168.15.6", "192.168.15.7"};
String lowAd[] = new String[] {"192.168.15.4", "192.168.15.6", "192.168.15.7"};
String highA[] = new String[] {"192.168.15.7", "192.168.15.7", "192.168.15.7"};
String cidrS[] = new String[] {"192.168.15.7/30", "192.168.15.7/31", "192.168.15.7/32"};
int usableAd[] = new int[] {4, 2, 1};
for (int i = 0; i < masks.length; ++i) {
SubnetUtils utils = new SubnetUtils(address, masks[i]);
utils.setInclusiveHostCount(true);
SubnetInfo info = utils.getInfo();
assertEquals("ci " + masks[i], cidrS[i], info.getCidrSignature());
assertEquals("bc " + masks[i], bcast[i], info.getBroadcastAddress());
assertEquals("ac " + masks[i], usableAd[i], info.getAddressCount());
assertEquals("nw " + masks[i], netwk[i], info.getNetworkAddress());
assertEquals("lo " + masks[i], lowAd[i], info.getLowAddress());
assertEquals("hi " + masks[i], highA[i], info.getHighAddress());
}
}
