| /* |
| * 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.commons.net; |
| |
| import org.apache.commons.net.util.SubnetUtils; |
| import org.apache.commons.net.util.SubnetUtils.SubnetInfo; |
| |
| import junit.framework.TestCase; |
| |
| public class SubnetUtilsTest extends TestCase { |
| |
| 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()); |
| } |
| } |
| |
| public void testParseSimpleNetmaskExclusive() { |
| 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[]{ "192.168.15.5", "0.0.0.0", "0.0.0.0" }; |
| String highA[]=new String[]{ "192.168.15.6", "0.0.0.0", "0.0.0.0" }; |
| String cidrS[]=new String[]{ "192.168.15.7/30", "192.168.15.7/31", "192.168.15.7/32"}; |
| int usableAd[]=new int[] { 2 , 0, 0}; |
| // low and high addresses don't exist |
| |
| for (int i = 0; i < masks.length; ++i) { |
| SubnetUtils utils = new SubnetUtils(address, masks[i]); |
| utils.setInclusiveHostCount(false); |
| SubnetInfo info = utils.getInfo(); |
| assertEquals("ci "+masks[i], cidrS[i], info.getCidrSignature()); |
| assertEquals("bc "+masks[i], bcast[i], info.getBroadcastAddress()); |
| assertEquals("nw "+masks[i], netwk[i], info.getNetworkAddress()); |
| assertEquals("ac "+masks[i], usableAd[i], info.getAddressCount()); |
| assertEquals("lo "+masks[i], lowAd[i], info.getLowAddress()); |
| assertEquals("hi "+masks[i], highA[i], info.getHighAddress()); |
| } |
| } |
| |
| // TODO Lower address test |
| public void testAddresses() { |
| SubnetUtils utils = new SubnetUtils("192.168.0.1/29"); |
| SubnetInfo info = utils.getInfo(); |
| assertTrue(info.isInRange("192.168.0.1")); |
| // We don't count the broadcast address as usable |
| assertFalse(info.isInRange("192.168.0.7")); |
| assertFalse(info.isInRange("192.168.0.8")); |
| assertFalse(info.isInRange("10.10.2.1")); |
| assertFalse(info.isInRange("192.168.1.1")); |
| assertFalse(info.isInRange("192.168.0.255")); |
| } |
| |
| public void testZeroNetmaskBits() { |
| try { |
| new SubnetUtils("192.168.0.1/0"); |
| fail("Mask /0 should have generated an IllegalArgumentException"); |
| } |
| catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| /** |
| * Test using the inclusiveHostCount flag, which includes |
| * the network and broadcast addresses in host counts |
| */ |
| public void testCidrAddresses() { |
| SubnetUtils utils = new SubnetUtils("192.168.0.1/8"); |
| utils.setInclusiveHostCount(true); |
| SubnetInfo info = utils.getInfo(); |
| assertEquals("255.0.0.0",info.getNetmask()); |
| assertEquals(16777216, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/9"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.128.0.0",info.getNetmask()); |
| assertEquals(8388608, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/10"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.192.0.0",info.getNetmask()); |
| assertEquals(4194304, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/11"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.224.0.0",info.getNetmask()); |
| assertEquals(2097152, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/12"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.240.0.0",info.getNetmask()); |
| assertEquals(1048576, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/13"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.248.0.0",info.getNetmask()); |
| assertEquals(524288, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/14"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.252.0.0",info.getNetmask()); |
| assertEquals(262144, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/15"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.254.0.0",info.getNetmask()); |
| assertEquals(131072, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/16"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.0.0",info.getNetmask()); |
| assertEquals(65536, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/17"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.128.0",info.getNetmask()); |
| assertEquals(32768, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/18"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.192.0",info.getNetmask()); |
| assertEquals(16384, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/19"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.224.0",info.getNetmask()); |
| assertEquals(8192, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/20"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.240.0",info.getNetmask()); |
| assertEquals(4096, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/21"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.248.0",info.getNetmask()); |
| assertEquals(2048, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/22"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.252.0",info.getNetmask()); |
| assertEquals(1024, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/23"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.254.0",info.getNetmask()); |
| assertEquals(512, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/24"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.0",info.getNetmask()); |
| assertEquals(256, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/25"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.128",info.getNetmask()); |
| assertEquals(128, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/26"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.192",info.getNetmask()); |
| assertEquals(64, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/27"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.224",info.getNetmask()); |
| assertEquals(32, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/28"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.240",info.getNetmask()); |
| assertEquals(16, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/29"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.248",info.getNetmask()); |
| assertEquals(8, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/30"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.252",info.getNetmask()); |
| assertEquals(4, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/31"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.254",info.getNetmask()); |
| assertEquals(2, info.getAddressCount()); |
| |
| utils = new SubnetUtils("192.168.0.1/32"); |
| utils.setInclusiveHostCount(true); |
| info = utils.getInfo(); |
| assertEquals("255.255.255.255",info.getNetmask()); |
| assertEquals(1, info.getAddressCount()); |
| |
| new SubnetUtils("192.168.0.1/1"); |
| } |
| |
| public void testInvalidMasks(){ |
| try { |
| new SubnetUtils("192.168.0.1/33"); |
| fail("Should have thrown IllegalArgumentException"); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| new SubnetUtils("192.168.0.1/0"); |
| fail("Should have thrown IllegalArgumentException"); |
| } catch (IllegalArgumentException expected) { |
| } |
| try { |
| new SubnetUtils("192.168.0.1","0.0.0.0"); |
| fail("Should have thrown IllegalArgumentException"); |
| } catch (IllegalArgumentException expected) { |
| } |
| } |
| |
| public void testNET428_31() throws Exception { |
| final SubnetUtils subnetUtils = new SubnetUtils("1.2.3.4/31"); |
| assertEquals(0,subnetUtils.getInfo().getAddressCount()); |
| String[] address = subnetUtils.getInfo().getAllAddresses(); |
| assertNotNull(address); |
| assertEquals(0,address.length); |
| } |
| |
| public void testNET428_32() throws Exception { |
| final SubnetUtils subnetUtils = new SubnetUtils("1.2.3.4/32"); |
| assertEquals(0,subnetUtils.getInfo().getAddressCount()); |
| String[] address = subnetUtils.getInfo().getAllAddresses(); |
| assertNotNull(address); |
| assertEquals(0,address.length); |
| } |
| } |