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 17package android.net; 18 19import java.lang.reflect.Method; 20import java.net.InetAddress; 21 22import android.net.IpPrefix; 23import android.net.RouteInfo; 24import android.os.Parcel; 25 26import junit.framework.TestCase; 27import android.test.suitebuilder.annotation.SmallTest; 28 29public class RouteInfoTest extends TestCase { 30 31 private InetAddress Address(String addr) { 32 return InetAddress.parseNumericAddress(addr); 33 } 34 35 private IpPrefix Prefix(String prefix) { 36 return new IpPrefix(prefix); 37 } 38 39 @SmallTest 40 public void testConstructor() { 41 RouteInfo r; 42 43 // Invalid input. 44 try { 45 r = new RouteInfo((IpPrefix) null, null, "rmnet0"); 46 fail("Expected RuntimeException: destination and gateway null"); 47 } catch(RuntimeException e) {} 48 49 // Null destination is default route. 50 r = new RouteInfo((IpPrefix) null, Address("2001:db8::1"), null); 51 assertEquals(Prefix("::/0"), r.getDestination()); 52 assertEquals(Address("2001:db8::1"), r.getGateway()); 53 assertNull(r.getInterface()); 54 55 r = new RouteInfo((IpPrefix) null, Address("192.0.2.1"), "wlan0"); 56 assertEquals(Prefix("0.0.0.0/0"), r.getDestination()); 57 assertEquals(Address("192.0.2.1"), r.getGateway()); 58 assertEquals("wlan0", r.getInterface()); 59 60 // Null gateway sets gateway to unspecified address (why?). 61 r = new RouteInfo(Prefix("2001:db8:beef:cafe::/48"), null, "lo"); 62 assertEquals(Prefix("2001:db8:beef::/48"), r.getDestination()); 63 assertEquals(Address("::"), r.getGateway()); 64 assertEquals("lo", r.getInterface()); 65 66 r = new RouteInfo(Prefix("192.0.2.5/24"), null); 67 assertEquals(Prefix("192.0.2.0/24"), r.getDestination()); 68 assertEquals(Address("0.0.0.0"), r.getGateway()); 69 assertNull(r.getInterface()); 70 } 71 72 public void testMatches() { 73 class PatchedRouteInfo { 74 private final RouteInfo mRouteInfo; 75 76 public PatchedRouteInfo(IpPrefix destination, InetAddress gateway, String iface) { 77 mRouteInfo = new RouteInfo(destination, gateway, iface); 78 } 79 80 public boolean matches(InetAddress destination) { 81 return mRouteInfo.matches(destination); 82 } 83 } 84 85 PatchedRouteInfo r; 86 87 r = new PatchedRouteInfo(Prefix("2001:db8:f00::ace:d00d/127"), null, "rmnet0"); 88 assertTrue(r.matches(Address("2001:db8:f00::ace:d00c"))); 89 assertTrue(r.matches(Address("2001:db8:f00::ace:d00d"))); 90 assertFalse(r.matches(Address("2001:db8:f00::ace:d00e"))); 91 assertFalse(r.matches(Address("2001:db8:f00::bad:d00d"))); 92 assertFalse(r.matches(Address("2001:4868:4860::8888"))); 93 94 r = new PatchedRouteInfo(Prefix("192.0.2.0/23"), null, "wlan0"); 95 assertTrue(r.matches(Address("192.0.2.43"))); 96 assertTrue(r.matches(Address("192.0.3.21"))); 97 assertFalse(r.matches(Address("192.0.0.21"))); 98 assertFalse(r.matches(Address("8.8.8.8"))); 99 100 PatchedRouteInfo ipv6Default = new PatchedRouteInfo(Prefix("::/0"), null, "rmnet0"); 101 assertTrue(ipv6Default.matches(Address("2001:db8::f00"))); 102 assertFalse(ipv6Default.matches(Address("192.0.2.1"))); 103 104 PatchedRouteInfo ipv4Default = new PatchedRouteInfo(Prefix("0.0.0.0/0"), null, "rmnet0"); 105 assertTrue(ipv4Default.matches(Address("255.255.255.255"))); 106 assertTrue(ipv4Default.matches(Address("192.0.2.1"))); 107 assertFalse(ipv4Default.matches(Address("2001:db8::f00"))); 108 } 109 110 private void assertAreEqual(Object o1, Object o2) { 111 assertTrue(o1.equals(o2)); 112 assertTrue(o2.equals(o1)); 113 } 114 115 private void assertAreNotEqual(Object o1, Object o2) { 116 assertFalse(o1.equals(o2)); 117 assertFalse(o2.equals(o1)); 118 } 119 120 public void testEquals() { 121 // IPv4 122 RouteInfo r1 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "wlan0"); 123 RouteInfo r2 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "wlan0"); 124 assertAreEqual(r1, r2); 125 126 RouteInfo r3 = new RouteInfo(Prefix("2001:db8:ace::/49"), Address("2001:db8::1"), "wlan0"); 127 RouteInfo r4 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::2"), "wlan0"); 128 RouteInfo r5 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "rmnet0"); 129 assertAreNotEqual(r1, r3); 130 assertAreNotEqual(r1, r4); 131 assertAreNotEqual(r1, r5); 132 133 // IPv6 134 r1 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "wlan0"); 135 r2 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "wlan0"); 136 assertAreEqual(r1, r2); 137 138 r3 = new RouteInfo(Prefix("192.0.2.0/24"), Address("192.0.2.1"), "wlan0"); 139 r4 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.2"), "wlan0"); 140 r5 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "rmnet0"); 141 assertAreNotEqual(r1, r3); 142 assertAreNotEqual(r1, r4); 143 assertAreNotEqual(r1, r5); 144 145 // Interfaces (but not destinations or gateways) can be null. 146 r1 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), null); 147 r2 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), null); 148 r3 = new RouteInfo(Prefix("192.0.2.0/24"), Address("192.0.2.1"), "wlan0"); 149 assertAreEqual(r1, r2); 150 assertAreNotEqual(r1, r3); 151 } 152 153 public void testHostAndDefaultRoutes() { 154 RouteInfo r; 155 156 r = new RouteInfo(Prefix("0.0.0.0/0"), Address("0.0.0.0"), "wlan0"); 157 assertFalse(r.isHostRoute()); 158 assertTrue(r.isDefaultRoute()); 159 assertTrue(r.isIPv4Default()); 160 assertFalse(r.isIPv6Default()); 161 162 r = new RouteInfo(Prefix("::/0"), Address("::"), "wlan0"); 163 assertFalse(r.isHostRoute()); 164 assertTrue(r.isDefaultRoute()); 165 assertFalse(r.isIPv4Default()); 166 assertTrue(r.isIPv6Default()); 167 168 r = new RouteInfo(Prefix("192.0.2.0/24"), null, "wlan0"); 169 assertFalse(r.isHostRoute()); 170 assertFalse(r.isDefaultRoute()); 171 assertFalse(r.isIPv4Default()); 172 assertFalse(r.isIPv6Default()); 173 174 r = new RouteInfo(Prefix("2001:db8::/48"), null, "wlan0"); 175 assertFalse(r.isHostRoute()); 176 assertFalse(r.isDefaultRoute()); 177 assertFalse(r.isIPv4Default()); 178 assertFalse(r.isIPv6Default()); 179 180 r = new RouteInfo(Prefix("192.0.2.0/32"), Address("0.0.0.0"), "wlan0"); 181 assertTrue(r.isHostRoute()); 182 assertFalse(r.isDefaultRoute()); 183 assertFalse(r.isIPv4Default()); 184 assertFalse(r.isIPv6Default()); 185 186 r = new RouteInfo(Prefix("2001:db8::/128"), Address("::"), "wlan0"); 187 assertTrue(r.isHostRoute()); 188 assertFalse(r.isDefaultRoute()); 189 assertFalse(r.isIPv4Default()); 190 assertFalse(r.isIPv6Default()); 191 192 r = new RouteInfo(Prefix("192.0.2.0/32"), null, "wlan0"); 193 assertTrue(r.isHostRoute()); 194 assertFalse(r.isDefaultRoute()); 195 assertFalse(r.isIPv4Default()); 196 assertFalse(r.isIPv6Default()); 197 198 r = new RouteInfo(Prefix("2001:db8::/128"), null, "wlan0"); 199 assertTrue(r.isHostRoute()); 200 assertFalse(r.isDefaultRoute()); 201 assertFalse(r.isIPv4Default()); 202 assertFalse(r.isIPv6Default()); 203 204 r = new RouteInfo(Prefix("::/128"), Address("fe80::"), "wlan0"); 205 assertTrue(r.isHostRoute()); 206 assertFalse(r.isDefaultRoute()); 207 assertFalse(r.isIPv4Default()); 208 assertFalse(r.isIPv6Default()); 209 210 r = new RouteInfo(Prefix("0.0.0.0/32"), Address("192.0.2.1"), "wlan0"); 211 assertTrue(r.isHostRoute()); 212 assertFalse(r.isDefaultRoute()); 213 assertFalse(r.isIPv4Default()); 214 assertFalse(r.isIPv6Default()); 215 } 216 217 public void testTruncation() { 218 LinkAddress l; 219 RouteInfo r; 220 221 l = new LinkAddress("192.0.2.5/30"); 222 r = new RouteInfo(l, Address("192.0.2.1"), "wlan0"); 223 assertEquals("192.0.2.4", r.getDestination().getAddress().getHostAddress()); 224 225 l = new LinkAddress("2001:db8:1:f::5/63"); 226 r = new RouteInfo(l, Address("2001:db8:5::1"), "wlan0"); 227 assertEquals("2001:db8:1:e::", r.getDestination().getAddress().getHostAddress()); 228 } 229 230 // Make sure that creating routes to multicast addresses doesn't throw an exception. Even though 231 // there's nothing we can do with them, we don't want to crash if, e.g., someone calls 232 // requestRouteToHostAddress("230.0.0.0", MOBILE_HIPRI); 233 public void testMulticastRoute() { 234 RouteInfo r; 235 r = new RouteInfo(Prefix("230.0.0.0/32"), Address("192.0.2.1"), "wlan0"); 236 r = new RouteInfo(Prefix("ff02::1/128"), Address("2001:db8::1"), "wlan0"); 237 // No exceptions? Good. 238 } 239 240 public RouteInfo passThroughParcel(RouteInfo r) { 241 Parcel p = Parcel.obtain(); 242 RouteInfo r2 = null; 243 try { 244 r.writeToParcel(p, 0); 245 p.setDataPosition(0); 246 r2 = RouteInfo.CREATOR.createFromParcel(p); 247 } finally { 248 p.recycle(); 249 } 250 assertNotNull(r2); 251 return r2; 252 } 253 254 public void assertParcelingIsLossless(RouteInfo r) { 255 RouteInfo r2 = passThroughParcel(r); 256 assertEquals(r, r2); 257 } 258 259 public void testParceling() { 260 RouteInfo r; 261 262 r = new RouteInfo(Prefix("::/0"), Address("2001:db8::"), null); 263 assertParcelingIsLossless(r); 264 265 r = new RouteInfo(Prefix("192.0.2.0/24"), null, "wlan0"); 266 assertParcelingIsLossless(r); 267 } 268} 269