1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* Copyright (C) 2016 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 com.android.server.wifi.hotspot2.anqp;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import androidx.test.filters.SmallTest;
import org.junit.Test;
import java.net.ProtocolException;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
/**
* Unit tests for {@link com.android.server.wifi.hotspot2.anqp.CellularNetwork}.
*/
@SmallTest
public class CellularNetworkTest {
private static final byte[] TEST_PLMN_BYTES_1 = new byte[] {0x12, 0x34, 0x56};
private static final String TEST_PLMN_STRING_1 = "214653";
private static final byte[] TEST_PLMN_BYTES_2 = new byte[] {0x13, (byte) 0xF9, 0x32};
private static final String TEST_PLMN_STRING_2 = "31923";
/**
* Verify that BufferUnderflowException will be thrown when parsing an empty buffer.
*
* @throws Exception
*/
@Test(expected = BufferUnderflowException.class)
public void parseBufferWithEmptyBuffer() throws Exception {
CellularNetwork.parse(ByteBuffer.allocate(0));
}
/**
* Verify that a null will be returned when parsing a buffer contained an unsupported IEI type.
*
* @throws Exception
*/
@Test
public void parseBufferWithInvalidIEIType() throws Exception {
byte[][] plmnsData = new byte[][] {TEST_PLMN_BYTES_1, TEST_PLMN_BYTES_2};
byte[] testData = CellularNetworkTestUtil.formatPLMNListIEI(1, plmnsData);
assertNull(CellularNetwork.parse(ByteBuffer.wrap(testData)));
}
/**
* Verify that BufferUnderflowException will be thrown when parsing a truncated buffer
* (missing a byte at the end).
*
* @throws Exception
*/
@Test(expected = BufferUnderflowException.class)
public void parseBufferWithIncompleteData() throws Exception {
byte[][] plmnsData = new byte[][] {TEST_PLMN_BYTES_1, TEST_PLMN_BYTES_2};
byte[] testData = CellularNetworkTestUtil.formatPLMNListIEI(plmnsData);
CellularNetwork.parse(ByteBuffer.wrap(testData, 0, testData.length - 1));
}
/**
* Verify that ProtocolException will be thrown when IEI size and the PLMN count doesn't
* match.
*
* @throws Exception
*/
@Test(expected = ProtocolException.class)
public void parseBufferWithMismatchIEISizeAndPLMNCount() throws Exception {
byte[][] plmnsData = new byte[][] {TEST_PLMN_BYTES_1, TEST_PLMN_BYTES_2};
// Get test data with IEI size set to incorrect value.
byte[] testData = CellularNetworkTestUtil.formatPLMNListIEI(
CellularNetwork.IEI_TYPE_PLMN_LIST, plmnsData, true);
CellularNetwork.parse(ByteBuffer.wrap(testData));
}
/**
* Verify that the expected ProtocolPortTuple is returned when parsing a buffer contained
* the test data.
*
* @throws Exception
*/
@Test
public void parseBufferWithTestData() throws Exception {
byte[][] plmnsData = new byte[][] {TEST_PLMN_BYTES_1, TEST_PLMN_BYTES_2};
byte[] testData = CellularNetworkTestUtil.formatPLMNListIEI(plmnsData);
// Setup the expected CellularNetwork.
List<String> plmnList = new ArrayList<>();
plmnList.add(TEST_PLMN_STRING_1);
plmnList.add(TEST_PLMN_STRING_2);
CellularNetwork expected = new CellularNetwork(plmnList);
assertEquals(expected, CellularNetwork.parse(ByteBuffer.wrap(testData)));
}
}
|
