| /* |
| * 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.hadoop.registry.server.dns; |
| |
| import java.net.UnknownHostException; |
| import static org.junit.Assert.assertEquals; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| /** |
| * Tests for the reverse zone utilities. |
| */ |
| public class TestReverseZoneUtils { |
| private static final String NET = "172.17.4.0"; |
| private static final int RANGE = 256; |
| private static final int INDEX = 0; |
| |
| @Rule public ExpectedException exception = ExpectedException.none(); |
| |
| @Test |
| public void testGetReverseZoneNetworkAddress() throws Exception { |
| assertEquals("172.17.4.0", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, RANGE, INDEX)); |
| } |
| |
| @Test |
| public void testSplitIp() throws Exception { |
| long[] splitIp = ReverseZoneUtils.splitIp(NET); |
| assertEquals(172, splitIp[0]); |
| assertEquals(17, splitIp[1]); |
| assertEquals(4, splitIp[2]); |
| assertEquals(0, splitIp[3]); |
| } |
| |
| @Test |
| public void testThrowIllegalArgumentExceptionIfIndexIsNegative() |
| throws Exception { |
| exception.expect(IllegalArgumentException.class); |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, RANGE, -1); |
| } |
| |
| @Test |
| public void testThrowUnknownHostExceptionIfIpIsInvalid() throws Exception { |
| exception.expect(UnknownHostException.class); |
| ReverseZoneUtils |
| .getReverseZoneNetworkAddress("213124.21231.14123.13", RANGE, INDEX); |
| } |
| |
| @Test |
| public void testThrowIllegalArgumentExceptionIfRangeIsNegative() |
| throws Exception { |
| exception.expect(IllegalArgumentException.class); |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, -1, INDEX); |
| } |
| |
| @Test |
| public void testVariousRangeAndIndexValues() throws Exception { |
| // Given the base address of 172.17.4.0, step 256 IP addresses, 5 times. |
| assertEquals("172.17.9.0", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, 256, 5)); |
| assertEquals("172.17.4.128", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, 128, 1)); |
| assertEquals("172.18.0.0", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, 256, 252)); |
| assertEquals("172.17.12.0", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, 1024, 2)); |
| assertEquals("172.17.4.0", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, 0, 1)); |
| assertEquals("172.17.4.0", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, 1, 0)); |
| assertEquals("172.17.4.1", |
| ReverseZoneUtils.getReverseZoneNetworkAddress(NET, 1, 1)); |
| } |
| } |