1 /*
2  * Copyright (C) 2017 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.wifi.nl80211;
18 
19 import static org.junit.Assert.assertEquals;
20 
21 import android.os.Parcel;
22 
23 import androidx.test.filters.SmallTest;
24 
25 import org.junit.Before;
26 import org.junit.Test;
27 
28 import java.util.ArrayList;
29 import java.util.Arrays;
30 import java.util.HashMap;
31 
32 /**
33  * Unit tests for {@link android.net.wifi.nl80211.PnoSettings}.
34  */
35 @SmallTest
36 public class PnoSettingsTest {
37 
38     private static final byte[] TEST_SSID_1 =
39             new byte[] {'G', 'o', 'o', 'g', 'l', 'e', 'G', 'u', 'e', 's', 't'};
40     private static final byte[] TEST_SSID_2 =
41             new byte[] {'A', 'n', 'd', 'r', 'o', 'i', 'd', 'T', 'e', 's', 't'};
42     private static final int[] TEST_FREQUENCIES_1 = {};
43     private static final int[] TEST_FREQUENCIES_2 = {2500, 5124};
44     private static final int TEST_INTERVAL_MS = 30000;
45     private static final int TEST_MIN_2G_RSSI = -60;
46     private static final int TEST_MIN_5G_RSSI = -65;
47     private static final int TEST_VALUE = 42;
48 
49     private PnoNetwork mPnoNetwork1;
50     private PnoNetwork mPnoNetwork2;
51 
52     @Before
setUp()53     public void setUp() {
54         mPnoNetwork1 = new PnoNetwork();
55         mPnoNetwork1.setSsid(TEST_SSID_1);
56         mPnoNetwork1.setHidden(true);
57         mPnoNetwork1.setFrequenciesMhz(TEST_FREQUENCIES_1);
58 
59         mPnoNetwork2 = new PnoNetwork();
60         mPnoNetwork2.setSsid(TEST_SSID_2);
61         mPnoNetwork2.setHidden(false);
62         mPnoNetwork2.setFrequenciesMhz(TEST_FREQUENCIES_2);
63     }
64 
65     /**
66      *  PnoSettings object can be serialized and deserialized, while keeping the
67      *  values unchanged.
68      */
69     @Test
canSerializeAndDeserialize()70     public void canSerializeAndDeserialize() {
71         PnoSettings pnoSettings = new PnoSettings();
72         pnoSettings.setIntervalMillis(TEST_INTERVAL_MS);
73         pnoSettings.setMin2gRssiDbm(TEST_MIN_2G_RSSI);
74         pnoSettings.setMin5gRssiDbm(TEST_MIN_5G_RSSI);
75         pnoSettings.setPnoNetworks(new ArrayList<>(Arrays.asList(mPnoNetwork1, mPnoNetwork2)));
76 
77         Parcel parcel = Parcel.obtain();
78         pnoSettings.writeToParcel(parcel, 0);
79         // Rewind the pointer to the head of the parcel.
80         parcel.setDataPosition(0);
81         PnoSettings pnoSettingsDeserialized = PnoSettings.CREATOR.createFromParcel(parcel);
82 
83         assertEquals(pnoSettings, pnoSettingsDeserialized);
84         assertEquals(pnoSettings.hashCode(), pnoSettingsDeserialized.hashCode());
85     }
86 
87     /**
88      * Tests usage of {@link PnoSettings} as a HashMap key type.
89      */
90     @Test
testAsHashMapKey()91     public void testAsHashMapKey() {
92         PnoSettings pnoSettings1 = new PnoSettings();
93         pnoSettings1.setIntervalMillis(TEST_INTERVAL_MS);
94         pnoSettings1.setMin2gRssiDbm(TEST_MIN_2G_RSSI);
95         pnoSettings1.setMin5gRssiDbm(TEST_MIN_5G_RSSI);
96         pnoSettings1.setPnoNetworks(new ArrayList<>(Arrays.asList(mPnoNetwork1, mPnoNetwork2)));
97 
98         PnoSettings pnoSettings2 = new PnoSettings();
99         pnoSettings2.setIntervalMillis(TEST_INTERVAL_MS);
100         pnoSettings2.setMin2gRssiDbm(TEST_MIN_2G_RSSI);
101         pnoSettings2.setMin5gRssiDbm(TEST_MIN_5G_RSSI);
102         pnoSettings2.setPnoNetworks(new ArrayList<>(Arrays.asList(mPnoNetwork1, mPnoNetwork2)));
103 
104         assertEquals(pnoSettings1, pnoSettings2);
105         assertEquals(pnoSettings1.hashCode(), pnoSettings2.hashCode());
106 
107         HashMap<PnoSettings, Integer> map = new HashMap<>();
108         map.put(pnoSettings1, TEST_VALUE);
109 
110         assertEquals(TEST_VALUE, map.get(pnoSettings2).intValue());
111     }
112 }
113