1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.net; 18 19 import java.lang.reflect.Method; 20 import java.net.InetAddress; 21 22 import android.net.LinkAddress; 23 import android.net.RouteInfo; 24 import android.os.Parcel; 25 26 import junit.framework.TestCase; 27 import android.test.suitebuilder.annotation.SmallTest; 28 29 public class RouteInfoTest extends TestCase { 30 31 private InetAddress Address(String addr) { 32 return InetAddress.parseNumericAddress(addr); 33 } 34 35 private LinkAddress Prefix(String prefix) { 36 String[] parts = prefix.split("/"); 37 return new LinkAddress(Address(parts[0]), Integer.parseInt(parts[1])); 38 } 39 40 @SmallTest 41 public void testConstructor() { 42 RouteInfo r; 43 44 // Invalid input. 45 try { 46 r = new RouteInfo(null, null, "rmnet0"); 47 fail("Expected RuntimeException: destination and gateway null"); 48 } catch(RuntimeException e) {} 49 50 // Null destination is default route. 51 r = new RouteInfo(null, Address("2001:db8::1"), null); 52 assertEquals(Prefix("::/0"), r.getDestination()); 53 assertEquals(Address("2001:db8::1"), r.getGateway()); 54 assertNull(r.getInterface()); 55 56 r = new RouteInfo(null, Address("192.0.2.1"), "wlan0"); 57 assertEquals(Prefix("0.0.0.0/0"), r.getDestination()); 58 assertEquals(Address("192.0.2.1"), r.getGateway()); 59 assertEquals("wlan0", r.getInterface()); 60 61 // Null gateway sets gateway to unspecified address (why?). 62 r = new RouteInfo(Prefix("2001:db8:beef:cafe::/48"), null, "lo"); 63 assertEquals(Prefix("2001:db8:beef::/48"), r.getDestination()); 64 assertEquals(Address("::"), r.getGateway()); 65 assertEquals("lo", r.getInterface()); 66 67 r = new RouteInfo(Prefix("192.0.2.5/24"), null); 68 assertEquals(Prefix("192.0.2.0/24"), r.getDestination()); 69 assertEquals(Address("0.0.0.0"), r.getGateway()); 70 assertNull(r.getInterface()); 71 } 72 73 public void testMatches() { 74 class PatchedRouteInfo extends RouteInfo { 75 public PatchedRouteInfo(LinkAddress destination, InetAddress gateway, String iface) { 76 super(destination, gateway, iface); 77 } 78 79 public boolean matches(InetAddress destination) { 80 return super.matches(destination); 81 } 82 } 83 84 RouteInfo r; 85 86 r = new PatchedRouteInfo(Prefix("2001:db8:f00::ace:d00d/127"), null, "rmnet0"); 87 assertTrue(r.matches(Address("2001:db8:f00::ace:d00c"))); 88 assertTrue(r.matches(Address("2001:db8:f00::ace:d00d"))); 89 assertFalse(r.matches(Address("2001:db8:f00::ace:d00e"))); 90 assertFalse(r.matches(Address("2001:db8:f00::bad:d00d"))); 91 assertFalse(r.matches(Address("2001:4868:4860::8888"))); 92 93 r = new PatchedRouteInfo(Prefix("192.0.2.0/23"), null, "wlan0"); 94 assertTrue(r.matches(Address("192.0.2.43"))); 95 assertTrue(r.matches(Address("192.0.3.21"))); 96 assertFalse(r.matches(Address("192.0.0.21"))); 97 assertFalse(r.matches(Address("8.8.8.8"))); 98 99 RouteInfo ipv6Default = new PatchedRouteInfo(Prefix("::/0"), null, "rmnet0"); 100 assertTrue(ipv6Default.matches(Address("2001:db8::f00"))); 101 assertFalse(ipv6Default.matches(Address("192.0.2.1"))); 102 103 RouteInfo ipv4Default = new PatchedRouteInfo(Prefix("0.0.0.0/0"), null, "rmnet0"); 104 assertTrue(ipv4Default.matches(Address("255.255.255.255"))); 105 assertTrue(ipv4Default.matches(Address("192.0.2.1"))); 106 assertFalse(ipv4Default.matches(Address("2001:db8::f00"))); 107 } 108 109 private void assertAreEqual(Object o1, Object o2) { 110 assertTrue(o1.equals(o2)); 111 assertTrue(o2.equals(o1)); 112 } 113 114 private void assertAreNotEqual(Object o1, Object o2) { 115 assertFalse(o1.equals(o2)); 116 assertFalse(o2.equals(o1)); 117 } 118 119 public void testEquals() { 120 // IPv4 121 RouteInfo r1 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "wlan0"); 122 RouteInfo r2 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "wlan0"); 123 assertAreEqual(r1, r2); 124 125 RouteInfo r3 = new RouteInfo(Prefix("2001:db8:ace::/49"), Address("2001:db8::1"), "wlan0"); 126 RouteInfo r4 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::2"), "wlan0"); 127 RouteInfo r5 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "rmnet0"); 128 assertAreNotEqual(r1, r3); 129 assertAreNotEqual(r1, r4); 130 assertAreNotEqual(r1, r5); 131 132 // IPv6 133 r1 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "wlan0"); 134 r2 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "wlan0"); 135 assertAreEqual(r1, r2); 136 137 r3 = new RouteInfo(Prefix("192.0.2.0/24"), Address("192.0.2.1"), "wlan0"); 138 r4 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.2"), "wlan0"); 139 r5 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "rmnet0"); 140 assertAreNotEqual(r1, r3); 141 assertAreNotEqual(r1, r4); 142 assertAreNotEqual(r1, r5); 143 144 // Interfaces (but not destinations or gateways) can be null. 145 r1 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), null); 146 r2 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), null); 147 r3 = new RouteInfo(Prefix("192.0.2.0/24"), Address("192.0.2.1"), "wlan0"); 148 assertAreEqual(r1, r2); 149 assertAreNotEqual(r1, r3); 150 } 151 152 public void testHostRoute() { 153 RouteInfo r; 154 155 r = new RouteInfo(Prefix("0.0.0.0/0"), Address("0.0.0.0"), "wlan0"); 156 assertFalse(r.isHostRoute()); 157 158 r = new RouteInfo(Prefix("::/0"), Address("::"), "wlan0"); 159 assertFalse(r.isHostRoute()); 160 161 r = new RouteInfo(Prefix("192.0.2.0/24"), null, "wlan0"); 162 assertFalse(r.isHostRoute()); 163 164 r = new RouteInfo(Prefix("2001:db8::/48"), null, "wlan0"); 165 assertFalse(r.isHostRoute()); 166 167 r = new RouteInfo(Prefix("192.0.2.0/32"), Address("0.0.0.0"), "wlan0"); 168 assertTrue(r.isHostRoute()); 169 170 r = new RouteInfo(Prefix("2001:db8::/128"), Address("::"), "wlan0"); 171 assertTrue(r.isHostRoute()); 172 173 r = new RouteInfo(Prefix("192.0.2.0/32"), null, "wlan0"); 174 assertTrue(r.isHostRoute()); 175 176 r = new RouteInfo(Prefix("2001:db8::/128"), null, "wlan0"); 177 assertTrue(r.isHostRoute()); 178 179 r = new RouteInfo(Prefix("::/128"), Address("fe80::"), "wlan0"); 180 assertTrue(r.isHostRoute()); 181 182 r = new RouteInfo(Prefix("0.0.0.0/32"), Address("192.0.2.1"), "wlan0"); 183 assertTrue(r.isHostRoute()); 184 } 185 186 public RouteInfo passThroughParcel(RouteInfo r) { 187 Parcel p = Parcel.obtain(); 188 RouteInfo r2 = null; 189 try { 190 r.writeToParcel(p, 0); 191 p.setDataPosition(0); 192 r2 = RouteInfo.CREATOR.createFromParcel(p); 193 } finally { 194 p.recycle(); 195 } 196 assertNotNull(r2); 197 return r2; 198 } 199 200 public void assertParcelingIsLossless(RouteInfo r) { 201 RouteInfo r2 = passThroughParcel(r); 202 assertEquals(r, r2); 203 } 204 205 public void testParceling() { 206 RouteInfo r; 207 208 r = new RouteInfo(Prefix("::/0"), Address("2001:db8::"), null); 209 assertParcelingIsLossless(r); 210 211 r = new RouteInfo(Prefix("192.0.2.0/24"), null, "wlan0"); 212 assertParcelingIsLossless(r); 213 } 214 } 215
