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1 /*
<lambda>null2  * Copyright (C) 2020 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 android.net.InetAddresses.parseNumericAddress
20 import android.os.Build
21 import com.android.testutils.DevSdkIgnoreRule
22 import com.android.testutils.DevSdkIgnoreRunner
23 import com.android.testutils.assertParcelingIsLossless
24 import org.junit.Test
25 import org.junit.runner.RunWith
26 import java.net.InetAddress
27 import kotlin.test.assertEquals
28 import kotlin.test.assertNotEquals
29 import kotlin.test.assertTrue
30 
31 @RunWith(DevSdkIgnoreRunner::class)
32 @DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R) // TcpKeepalivePacketData added to SDK in S
33 class TcpKeepalivePacketDataTest {
34     private fun makeData(
35         srcAddress: InetAddress = parseNumericAddress("192.0.2.123"),
36         srcPort: Int = 1234,
37         dstAddress: InetAddress = parseNumericAddress("192.0.2.231"),
38         dstPort: Int = 4321,
39         data: ByteArray = byteArrayOf(1, 2, 3),
40         tcpSeq: Int = 135,
41         tcpAck: Int = 246,
42         tcpWnd: Int = 1234,
43         tcpWndScale: Int = 2,
44         ipTos: Int = 0x12,
45         ipTtl: Int = 10
46     ) = TcpKeepalivePacketData(srcAddress, srcPort, dstAddress, dstPort, data, tcpSeq, tcpAck,
47             tcpWnd, tcpWndScale, ipTos, ipTtl)
48 
49     @Test
50     fun testEquals() {
51         val data1 = makeData()
52         val data2 = makeData()
53         assertEquals(data1, data2)
54         assertEquals(data1.hashCode(), data2.hashCode())
55     }
56 
57     @Test
58     fun testNotEquals() {
59         assertNotEquals(makeData(srcAddress = parseNumericAddress("192.0.2.124")), makeData())
60         assertNotEquals(makeData(srcPort = 1235), makeData())
61         assertNotEquals(makeData(dstAddress = parseNumericAddress("192.0.2.232")), makeData())
62         assertNotEquals(makeData(dstPort = 4322), makeData())
63         // .equals does not test .packet, as it should be generated from the other fields
64         assertNotEquals(makeData(tcpSeq = 136), makeData())
65         assertNotEquals(makeData(tcpAck = 247), makeData())
66         assertNotEquals(makeData(tcpWnd = 1235), makeData())
67         assertNotEquals(makeData(tcpWndScale = 3), makeData())
68         assertNotEquals(makeData(ipTos = 0x14), makeData())
69         assertNotEquals(makeData(ipTtl = 11), makeData())
70     }
71 
72     @Test
73     fun testParcelUnparcel() {
74         assertParcelingIsLossless(makeData()) { a, b ->
75             // .equals() does not verify .packet
76             a == b && a.packet contentEquals b.packet
77         }
78     }
79 
80     @Test
81     fun testToString() {
82         val data = makeData()
83         val str = data.toString()
84 
85         assertTrue(str.contains(data.srcAddress.hostAddress))
86         assertTrue(str.contains(data.srcPort.toString()))
87         assertTrue(str.contains(data.dstAddress.hostAddress))
88         assertTrue(str.contains(data.dstPort.toString()))
89         // .packet not included in toString()
90         assertTrue(str.contains(data.getTcpSeq().toString()))
91         assertTrue(str.contains(data.getTcpAck().toString()))
92         assertTrue(str.contains(data.getTcpWindow().toString()))
93         assertTrue(str.contains(data.getTcpWindowScale().toString()))
94         assertTrue(str.contains(data.getIpTos().toString()))
95         assertTrue(str.contains(data.getIpTtl().toString()))
96     }
97 }