1 /*
2  * Copyright (C) 2019 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.shared;
18 
19 import static android.net.InetAddresses.parseNumericAddress;
20 
21 import static com.android.testutils.MiscAsserts.assertFieldCountEquals;
22 
23 import static org.junit.Assert.assertEquals;
24 import static org.junit.Assert.assertNotEquals;
25 
26 import android.net.IpPrefix;
27 import android.net.LinkAddress;
28 
29 import androidx.test.filters.SmallTest;
30 import androidx.test.runner.AndroidJUnit4;
31 
32 import org.junit.Before;
33 import org.junit.Test;
34 import org.junit.runner.RunWith;
35 
36 import java.util.Arrays;
37 import java.util.function.Consumer;
38 
39 /**
40  * Tests for {@link InitialConfiguration}
41  */
42 @RunWith(AndroidJUnit4.class)
43 @SmallTest
44 public class InitialConfigurationTest {
45     private InitialConfiguration mConfig;
46 
47     @Before
setUp()48     public void setUp() {
49         mConfig = new InitialConfiguration();
50         mConfig.ipAddresses.addAll(Arrays.asList(
51                 new LinkAddress(parseNumericAddress("192.168.45.45"), 16),
52                 new LinkAddress(parseNumericAddress("2001:db8::45"), 33)));
53         mConfig.directlyConnectedRoutes.addAll(Arrays.asList(
54                 new IpPrefix(parseNumericAddress("192.168.46.46"), 17),
55                 new IpPrefix(parseNumericAddress("2001:db8::46"), 34)));
56         mConfig.dnsServers.addAll(Arrays.asList(
57                 parseNumericAddress("192.168.47.47"),
58                 parseNumericAddress("2001:db8::47")));
59         // Any added InitialConfiguration field must be included in equals() to be tested properly
60         assertFieldCountEquals(3, InitialConfiguration.class);
61     }
62 
63     @Test
testParcelUnparcelInitialConfiguration()64     public void testParcelUnparcelInitialConfiguration() {
65         final InitialConfiguration unparceled =
66                 InitialConfiguration.fromStableParcelable(mConfig.toStableParcelable());
67         assertEquals(mConfig, unparceled);
68     }
69 
70     @Test
testEquals()71     public void testEquals() {
72         assertEquals(mConfig, InitialConfiguration.copy(mConfig));
73 
74         assertNotEqualsAfterChange(c -> c.ipAddresses.add(
75                 new LinkAddress(parseNumericAddress("192.168.47.47"), 24)));
76         assertNotEqualsAfterChange(c -> c.directlyConnectedRoutes.add(
77                 new IpPrefix(parseNumericAddress("192.168.46.46"), 32)));
78         assertNotEqualsAfterChange(c -> c.dnsServers.add(parseNumericAddress("2001:db8::49")));
79         assertFieldCountEquals(3, InitialConfiguration.class);
80     }
81 
assertNotEqualsAfterChange(Consumer<InitialConfiguration> mutator)82     private void assertNotEqualsAfterChange(Consumer<InitialConfiguration> mutator) {
83         final InitialConfiguration newConfig = InitialConfiguration.copy(mConfig);
84         mutator.accept(newConfig);
85         assertNotEquals(mConfig, newConfig);
86     }
87 }
88