Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.dhcp; |
| 18 | |
Remi NGUYEN VAN | 0e3d0923 | 2018-12-04 12:13:09 +0900 | [diff] [blame] | 19 | import static android.net.InetAddresses.parseNumericAddress; |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 20 | import static android.net.dhcp.DhcpServingParams.MTU_UNSET; |
Remi NGUYEN VAN | 77dd54d | 2019-01-25 08:54:08 +0900 | [diff] [blame] | 21 | import static android.net.shared.Inet4AddressUtils.inet4AddressToIntHTH; |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 22 | |
| 23 | import static junit.framework.Assert.assertEquals; |
| 24 | import static junit.framework.Assert.assertFalse; |
| 25 | import static junit.framework.Assert.assertTrue; |
| 26 | |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 27 | import android.annotation.NonNull; |
| 28 | import android.annotation.Nullable; |
| 29 | import android.net.LinkAddress; |
| 30 | import android.net.dhcp.DhcpServingParams.InvalidParameterException; |
Remi NGUYEN VAN | 77dd54d | 2019-01-25 08:54:08 +0900 | [diff] [blame] | 31 | import android.net.shared.Inet4AddressUtils; |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 32 | import android.support.test.filters.SmallTest; |
| 33 | import android.support.test.runner.AndroidJUnit4; |
| 34 | |
| 35 | import org.junit.Before; |
| 36 | import org.junit.Test; |
| 37 | import org.junit.runner.RunWith; |
| 38 | |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 39 | import java.lang.reflect.Modifier; |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 40 | import java.net.Inet4Address; |
| 41 | import java.util.Arrays; |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 42 | import java.util.Collection; |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 43 | import java.util.HashSet; |
| 44 | import java.util.Set; |
| 45 | |
| 46 | @RunWith(AndroidJUnit4.class) |
| 47 | @SmallTest |
| 48 | public class DhcpServingParamsTest { |
| 49 | @NonNull |
| 50 | private DhcpServingParams.Builder mBuilder; |
| 51 | |
| 52 | private static final Set<Inet4Address> TEST_DEFAULT_ROUTERS = new HashSet<>( |
| 53 | Arrays.asList(parseAddr("192.168.0.123"), parseAddr("192.168.0.124"))); |
| 54 | private static final long TEST_LEASE_TIME_SECS = 3600L; |
| 55 | private static final Set<Inet4Address> TEST_DNS_SERVERS = new HashSet<>( |
| 56 | Arrays.asList(parseAddr("192.168.0.126"), parseAddr("192.168.0.127"))); |
| 57 | private static final Inet4Address TEST_SERVER_ADDR = parseAddr("192.168.0.2"); |
| 58 | private static final LinkAddress TEST_LINKADDR = new LinkAddress(TEST_SERVER_ADDR, 20); |
| 59 | private static final int TEST_MTU = 1500; |
| 60 | private static final Set<Inet4Address> TEST_EXCLUDED_ADDRS = new HashSet<>( |
| 61 | Arrays.asList(parseAddr("192.168.0.200"), parseAddr("192.168.0.201"))); |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 62 | private static final boolean TEST_METERED = true; |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 63 | |
| 64 | @Before |
| 65 | public void setUp() { |
| 66 | mBuilder = new DhcpServingParams.Builder() |
| 67 | .setDefaultRouters(TEST_DEFAULT_ROUTERS) |
| 68 | .setDhcpLeaseTimeSecs(TEST_LEASE_TIME_SECS) |
| 69 | .setDnsServers(TEST_DNS_SERVERS) |
| 70 | .setServerAddr(TEST_LINKADDR) |
| 71 | .setLinkMtu(TEST_MTU) |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 72 | .setExcludedAddrs(TEST_EXCLUDED_ADDRS) |
| 73 | .setMetered(TEST_METERED); |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | @Test |
| 77 | public void testBuild_Immutable() throws InvalidParameterException { |
| 78 | final Set<Inet4Address> routers = new HashSet<>(TEST_DEFAULT_ROUTERS); |
| 79 | final Set<Inet4Address> dnsServers = new HashSet<>(TEST_DNS_SERVERS); |
| 80 | final Set<Inet4Address> excludedAddrs = new HashSet<>(TEST_EXCLUDED_ADDRS); |
| 81 | |
| 82 | final DhcpServingParams params = mBuilder |
| 83 | .setDefaultRouters(routers) |
| 84 | .setDnsServers(dnsServers) |
| 85 | .setExcludedAddrs(excludedAddrs) |
| 86 | .build(); |
| 87 | |
| 88 | // Modifications to source objects should not affect builder or final parameters |
| 89 | final Inet4Address addedAddr = parseAddr("192.168.0.223"); |
| 90 | routers.add(addedAddr); |
| 91 | dnsServers.add(addedAddr); |
| 92 | excludedAddrs.add(addedAddr); |
| 93 | |
| 94 | assertEquals(TEST_DEFAULT_ROUTERS, params.defaultRouters); |
| 95 | assertEquals(TEST_LEASE_TIME_SECS, params.dhcpLeaseTimeSecs); |
| 96 | assertEquals(TEST_DNS_SERVERS, params.dnsServers); |
| 97 | assertEquals(TEST_LINKADDR, params.serverAddr); |
| 98 | assertEquals(TEST_MTU, params.linkMtu); |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 99 | assertEquals(TEST_METERED, params.metered); |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 100 | |
| 101 | assertContains(params.excludedAddrs, TEST_EXCLUDED_ADDRS); |
| 102 | assertContains(params.excludedAddrs, TEST_DEFAULT_ROUTERS); |
| 103 | assertContains(params.excludedAddrs, TEST_DNS_SERVERS); |
| 104 | assertContains(params.excludedAddrs, TEST_SERVER_ADDR); |
| 105 | |
| 106 | assertFalse("excludedAddrs should not contain " + addedAddr, |
| 107 | params.excludedAddrs.contains(addedAddr)); |
| 108 | } |
| 109 | |
| 110 | @Test(expected = InvalidParameterException.class) |
| 111 | public void testBuild_NegativeLeaseTime() throws InvalidParameterException { |
| 112 | mBuilder.setDhcpLeaseTimeSecs(-1).build(); |
| 113 | } |
| 114 | |
| 115 | @Test(expected = InvalidParameterException.class) |
| 116 | public void testBuild_LeaseTimeTooLarge() throws InvalidParameterException { |
| 117 | // Set lease time larger than max value for uint32 |
| 118 | mBuilder.setDhcpLeaseTimeSecs(1L << 32).build(); |
| 119 | } |
| 120 | |
| 121 | @Test |
| 122 | public void testBuild_InfiniteLeaseTime() throws InvalidParameterException { |
| 123 | final long infiniteLeaseTime = 0xffffffffL; |
| 124 | final DhcpServingParams params = mBuilder |
| 125 | .setDhcpLeaseTimeSecs(infiniteLeaseTime).build(); |
| 126 | assertEquals(infiniteLeaseTime, params.dhcpLeaseTimeSecs); |
| 127 | assertTrue(params.dhcpLeaseTimeSecs > 0L); |
| 128 | } |
| 129 | |
| 130 | @Test |
| 131 | public void testBuild_UnsetMtu() throws InvalidParameterException { |
| 132 | final DhcpServingParams params = mBuilder.setLinkMtu(MTU_UNSET).build(); |
| 133 | assertEquals(MTU_UNSET, params.linkMtu); |
| 134 | } |
| 135 | |
| 136 | @Test(expected = InvalidParameterException.class) |
| 137 | public void testBuild_MtuTooSmall() throws InvalidParameterException { |
| 138 | mBuilder.setLinkMtu(20).build(); |
| 139 | } |
| 140 | |
| 141 | @Test(expected = InvalidParameterException.class) |
| 142 | public void testBuild_MtuTooLarge() throws InvalidParameterException { |
| 143 | mBuilder.setLinkMtu(65_536).build(); |
| 144 | } |
| 145 | |
| 146 | @Test(expected = InvalidParameterException.class) |
| 147 | public void testBuild_IPv6Addr() throws InvalidParameterException { |
| 148 | mBuilder.setServerAddr(new LinkAddress(parseNumericAddress("fe80::1111"), 120)).build(); |
| 149 | } |
| 150 | |
| 151 | @Test(expected = InvalidParameterException.class) |
| 152 | public void testBuild_PrefixTooLarge() throws InvalidParameterException { |
| 153 | mBuilder.setServerAddr(new LinkAddress(TEST_SERVER_ADDR, 15)).build(); |
| 154 | } |
| 155 | |
| 156 | @Test(expected = InvalidParameterException.class) |
| 157 | public void testBuild_PrefixTooSmall() throws InvalidParameterException { |
Remi NGUYEN VAN | a758720 | 2018-08-23 18:01:46 +0900 | [diff] [blame] | 158 | mBuilder.setDefaultRouters(parseAddr("192.168.0.254")) |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 159 | .setServerAddr(new LinkAddress(TEST_SERVER_ADDR, 31)) |
| 160 | .build(); |
| 161 | } |
| 162 | |
| 163 | @Test(expected = InvalidParameterException.class) |
| 164 | public void testBuild_RouterNotInPrefix() throws InvalidParameterException { |
Remi NGUYEN VAN | a758720 | 2018-08-23 18:01:46 +0900 | [diff] [blame] | 165 | mBuilder.setDefaultRouters(parseAddr("192.168.254.254")).build(); |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 166 | } |
| 167 | |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 168 | @Test |
| 169 | public void testFromParcelableObject() throws InvalidParameterException { |
| 170 | final DhcpServingParams params = mBuilder.build(); |
| 171 | final DhcpServingParamsParcel parcel = new DhcpServingParamsParcel(); |
| 172 | parcel.defaultRouters = toIntArray(TEST_DEFAULT_ROUTERS); |
| 173 | parcel.dhcpLeaseTimeSecs = TEST_LEASE_TIME_SECS; |
| 174 | parcel.dnsServers = toIntArray(TEST_DNS_SERVERS); |
| 175 | parcel.serverAddr = inet4AddressToIntHTH(TEST_SERVER_ADDR); |
| 176 | parcel.serverAddrPrefixLength = TEST_LINKADDR.getPrefixLength(); |
| 177 | parcel.linkMtu = TEST_MTU; |
| 178 | parcel.excludedAddrs = toIntArray(TEST_EXCLUDED_ADDRS); |
| 179 | parcel.metered = TEST_METERED; |
| 180 | final DhcpServingParams parceled = DhcpServingParams.fromParcelableObject(parcel); |
| 181 | |
| 182 | assertEquals(params.defaultRouters, parceled.defaultRouters); |
| 183 | assertEquals(params.dhcpLeaseTimeSecs, parceled.dhcpLeaseTimeSecs); |
| 184 | assertEquals(params.dnsServers, parceled.dnsServers); |
| 185 | assertEquals(params.serverAddr, parceled.serverAddr); |
| 186 | assertEquals(params.linkMtu, parceled.linkMtu); |
| 187 | assertEquals(params.excludedAddrs, parceled.excludedAddrs); |
| 188 | assertEquals(params.metered, parceled.metered); |
| 189 | |
| 190 | // Ensure that we do not miss any field if added in the future |
| 191 | final long numFields = Arrays.stream(DhcpServingParams.class.getDeclaredFields()) |
| 192 | .filter(f -> !Modifier.isStatic(f.getModifiers())) |
| 193 | .count(); |
| 194 | assertEquals(7, numFields); |
| 195 | } |
| 196 | |
Remi NGUYEN VAN | 0e3d0923 | 2018-12-04 12:13:09 +0900 | [diff] [blame] | 197 | @Test(expected = InvalidParameterException.class) |
| 198 | public void testFromParcelableObject_NullArgument() throws InvalidParameterException { |
| 199 | DhcpServingParams.fromParcelableObject(null); |
| 200 | } |
| 201 | |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 202 | private static int[] toIntArray(Collection<Inet4Address> addrs) { |
Remi NGUYEN VAN | 77dd54d | 2019-01-25 08:54:08 +0900 | [diff] [blame] | 203 | return addrs.stream().mapToInt(Inet4AddressUtils::inet4AddressToIntHTH).toArray(); |
Remi NGUYEN VAN | 761198a | 2018-12-10 16:35:30 +0900 | [diff] [blame] | 204 | } |
| 205 | |
Remi NGUYEN VAN | a420b57 | 2018-07-04 15:09:42 +0900 | [diff] [blame] | 206 | private static <T> void assertContains(@NonNull Set<T> set, @NonNull Set<T> subset) { |
| 207 | for (final T elem : subset) { |
| 208 | assertContains(set, elem); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | private static <T> void assertContains(@NonNull Set<T> set, @Nullable T elem) { |
| 213 | assertTrue("Set does not contain " + elem, set.contains(elem)); |
| 214 | } |
| 215 | |
| 216 | @NonNull |
| 217 | private static Inet4Address parseAddr(@NonNull String inet4Addr) { |
| 218 | return (Inet4Address) parseNumericAddress(inet4Addr); |
| 219 | } |
| 220 | } |