/* * Copyright (C) 2010 The Android Open Source Project * * Licensed 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 android.net; import java.lang.reflect.Method; import java.net.InetAddress; import android.net.IpPrefix; import android.net.RouteInfo; import android.os.Parcel; import junit.framework.TestCase; import android.test.suitebuilder.annotation.SmallTest; public class RouteInfoTest extends TestCase { private InetAddress Address(String addr) { return InetAddress.parseNumericAddress(addr); } private IpPrefix Prefix(String prefix) { return new IpPrefix(prefix); } @SmallTest public void testConstructor() { RouteInfo r; // Invalid input. try { r = new RouteInfo((IpPrefix) null, null, "rmnet0"); fail("Expected RuntimeException: destination and gateway null"); } catch(RuntimeException e) {} // Null destination is default route. r = new RouteInfo((IpPrefix) null, Address("2001:db8::1"), null); assertEquals(Prefix("::/0"), r.getDestination()); assertEquals(Address("2001:db8::1"), r.getGateway()); assertNull(r.getInterface()); r = new RouteInfo((IpPrefix) null, Address("192.0.2.1"), "wlan0"); assertEquals(Prefix("0.0.0.0/0"), r.getDestination()); assertEquals(Address("192.0.2.1"), r.getGateway()); assertEquals("wlan0", r.getInterface()); // Null gateway sets gateway to unspecified address (why?). r = new RouteInfo(Prefix("2001:db8:beef:cafe::/48"), null, "lo"); assertEquals(Prefix("2001:db8:beef::/48"), r.getDestination()); assertEquals(Address("::"), r.getGateway()); assertEquals("lo", r.getInterface()); r = new RouteInfo(Prefix("192.0.2.5/24"), null); assertEquals(Prefix("192.0.2.0/24"), r.getDestination()); assertEquals(Address("0.0.0.0"), r.getGateway()); assertNull(r.getInterface()); } public void testMatches() { class PatchedRouteInfo { private final RouteInfo mRouteInfo; public PatchedRouteInfo(IpPrefix destination, InetAddress gateway, String iface) { mRouteInfo = new RouteInfo(destination, gateway, iface); } public boolean matches(InetAddress destination) { return mRouteInfo.matches(destination); } } PatchedRouteInfo r; r = new PatchedRouteInfo(Prefix("2001:db8:f00::ace:d00d/127"), null, "rmnet0"); assertTrue(r.matches(Address("2001:db8:f00::ace:d00c"))); assertTrue(r.matches(Address("2001:db8:f00::ace:d00d"))); assertFalse(r.matches(Address("2001:db8:f00::ace:d00e"))); assertFalse(r.matches(Address("2001:db8:f00::bad:d00d"))); assertFalse(r.matches(Address("2001:4868:4860::8888"))); assertFalse(r.matches(Address("8.8.8.8"))); r = new PatchedRouteInfo(Prefix("192.0.2.0/23"), null, "wlan0"); assertTrue(r.matches(Address("192.0.2.43"))); assertTrue(r.matches(Address("192.0.3.21"))); assertFalse(r.matches(Address("192.0.0.21"))); assertFalse(r.matches(Address("8.8.8.8"))); PatchedRouteInfo ipv6Default = new PatchedRouteInfo(Prefix("::/0"), null, "rmnet0"); assertTrue(ipv6Default.matches(Address("2001:db8::f00"))); assertFalse(ipv6Default.matches(Address("192.0.2.1"))); PatchedRouteInfo ipv4Default = new PatchedRouteInfo(Prefix("0.0.0.0/0"), null, "rmnet0"); assertTrue(ipv4Default.matches(Address("255.255.255.255"))); assertTrue(ipv4Default.matches(Address("192.0.2.1"))); assertFalse(ipv4Default.matches(Address("2001:db8::f00"))); } private void assertAreEqual(Object o1, Object o2) { assertTrue(o1.equals(o2)); assertTrue(o2.equals(o1)); } private void assertAreNotEqual(Object o1, Object o2) { assertFalse(o1.equals(o2)); assertFalse(o2.equals(o1)); } public void testEquals() { // IPv4 RouteInfo r1 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "wlan0"); RouteInfo r2 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "wlan0"); assertAreEqual(r1, r2); RouteInfo r3 = new RouteInfo(Prefix("2001:db8:ace::/49"), Address("2001:db8::1"), "wlan0"); RouteInfo r4 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::2"), "wlan0"); RouteInfo r5 = new RouteInfo(Prefix("2001:db8:ace::/48"), Address("2001:db8::1"), "rmnet0"); assertAreNotEqual(r1, r3); assertAreNotEqual(r1, r4); assertAreNotEqual(r1, r5); // IPv6 r1 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "wlan0"); r2 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "wlan0"); assertAreEqual(r1, r2); r3 = new RouteInfo(Prefix("192.0.2.0/24"), Address("192.0.2.1"), "wlan0"); r4 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.2"), "wlan0"); r5 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), "rmnet0"); assertAreNotEqual(r1, r3); assertAreNotEqual(r1, r4); assertAreNotEqual(r1, r5); // Interfaces (but not destinations or gateways) can be null. r1 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), null); r2 = new RouteInfo(Prefix("192.0.2.0/25"), Address("192.0.2.1"), null); r3 = new RouteInfo(Prefix("192.0.2.0/24"), Address("192.0.2.1"), "wlan0"); assertAreEqual(r1, r2); assertAreNotEqual(r1, r3); } public void testHostAndDefaultRoutes() { RouteInfo r; r = new RouteInfo(Prefix("0.0.0.0/0"), Address("0.0.0.0"), "wlan0"); assertFalse(r.isHostRoute()); assertTrue(r.isDefaultRoute()); assertTrue(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("::/0"), Address("::"), "wlan0"); assertFalse(r.isHostRoute()); assertTrue(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertTrue(r.isIPv6Default()); r = new RouteInfo(Prefix("192.0.2.0/24"), null, "wlan0"); assertFalse(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("2001:db8::/48"), null, "wlan0"); assertFalse(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("192.0.2.0/32"), Address("0.0.0.0"), "wlan0"); assertTrue(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("2001:db8::/128"), Address("::"), "wlan0"); assertTrue(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("192.0.2.0/32"), null, "wlan0"); assertTrue(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("2001:db8::/128"), null, "wlan0"); assertTrue(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("::/128"), Address("fe80::"), "wlan0"); assertTrue(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); r = new RouteInfo(Prefix("0.0.0.0/32"), Address("192.0.2.1"), "wlan0"); assertTrue(r.isHostRoute()); assertFalse(r.isDefaultRoute()); assertFalse(r.isIPv4Default()); assertFalse(r.isIPv6Default()); } public void testTruncation() { LinkAddress l; RouteInfo r; l = new LinkAddress("192.0.2.5/30"); r = new RouteInfo(l, Address("192.0.2.1"), "wlan0"); assertEquals("192.0.2.4", r.getDestination().getAddress().getHostAddress()); l = new LinkAddress("2001:db8:1:f::5/63"); r = new RouteInfo(l, Address("2001:db8:5::1"), "wlan0"); assertEquals("2001:db8:1:e::", r.getDestination().getAddress().getHostAddress()); } // Make sure that creating routes to multicast addresses doesn't throw an exception. Even though // there's nothing we can do with them, we don't want to crash if, e.g., someone calls // requestRouteToHostAddress("230.0.0.0", MOBILE_HIPRI); public void testMulticastRoute() { RouteInfo r; r = new RouteInfo(Prefix("230.0.0.0/32"), Address("192.0.2.1"), "wlan0"); r = new RouteInfo(Prefix("ff02::1/128"), Address("2001:db8::1"), "wlan0"); // No exceptions? Good. } public RouteInfo passThroughParcel(RouteInfo r) { Parcel p = Parcel.obtain(); RouteInfo r2 = null; try { r.writeToParcel(p, 0); p.setDataPosition(0); r2 = RouteInfo.CREATOR.createFromParcel(p); } finally { p.recycle(); } assertNotNull(r2); return r2; } public void assertParcelingIsLossless(RouteInfo r) { RouteInfo r2 = passThroughParcel(r); assertEquals(r, r2); } public void testParceling() { RouteInfo r; r = new RouteInfo(Prefix("::/0"), Address("2001:db8::"), null); assertParcelingIsLossless(r); r = new RouteInfo(Prefix("192.0.2.0/24"), null, "wlan0"); assertParcelingIsLossless(r); } }