1 /*
2  * Copyright (C) 2021 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.view;
18 
19 import static org.junit.Assert.assertEquals;
20 
21 import android.hardware.input.HostUsiVersion;
22 import android.os.Parcel;
23 
24 import androidx.test.ext.junit.runners.AndroidJUnit4;
25 import androidx.test.filters.SmallTest;
26 
27 import org.junit.Test;
28 import org.junit.runner.RunWith;
29 
30 @SmallTest
31 @RunWith(AndroidJUnit4.class)
32 public class InputDeviceTest {
33     private static final float DELTA = 0.01f;
34     private static final int DEVICE_ID = 1000;
35 
assertMotionRangeEquals(InputDevice.MotionRange range, InputDevice.MotionRange outRange)36     private void assertMotionRangeEquals(InputDevice.MotionRange range,
37             InputDevice.MotionRange outRange) {
38         assertEquals(range.getAxis(), outRange.getAxis());
39         assertEquals(range.getSource(), outRange.getSource());
40         assertEquals(range.getMin(), outRange.getMin(), DELTA);
41         assertEquals(range.getMax(), outRange.getMax(), DELTA);
42         assertEquals(range.getFlat(), outRange.getFlat(), DELTA);
43         assertEquals(range.getFuzz(), outRange.getFuzz(), DELTA);
44         assertEquals(range.getResolution(), outRange.getResolution(), DELTA);
45     }
46 
assertDeviceEquals(InputDevice device, InputDevice outDevice)47     private void assertDeviceEquals(InputDevice device, InputDevice outDevice) {
48         assertEquals(device.getId(), outDevice.getId());
49         assertEquals(device.getGeneration(), outDevice.getGeneration());
50         assertEquals(device.getControllerNumber(), outDevice.getControllerNumber());
51         assertEquals(device.getName(), outDevice.getName());
52         assertEquals(device.getVendorId(), outDevice.getVendorId());
53         assertEquals(device.getProductId(), outDevice.getProductId());
54         assertEquals(device.getDescriptor(), outDevice.getDescriptor());
55         assertEquals(device.isExternal(), outDevice.isExternal());
56         assertEquals(device.getSources(), outDevice.getSources());
57         assertEquals(device.getKeyboardType(), outDevice.getKeyboardType());
58         assertEquals(device.getKeyboardLanguageTag(), outDevice.getKeyboardLanguageTag());
59         assertEquals(device.getKeyboardLayoutType(), outDevice.getKeyboardLayoutType());
60         assertEquals(device.getMotionRanges().size(), outDevice.getMotionRanges().size());
61         assertEquals(device.getHostUsiVersion(), outDevice.getHostUsiVersion());
62         assertEquals(device.getAssociatedDisplayId(), outDevice.getAssociatedDisplayId());
63 
64         KeyCharacterMap keyCharacterMap = device.getKeyCharacterMap();
65         KeyCharacterMap outKeyCharacterMap = outDevice.getKeyCharacterMap();
66         assertEquals("keyCharacterMap not equal", keyCharacterMap, outKeyCharacterMap);
67 
68         for (int j = 0; j < device.getMotionRanges().size(); j++) {
69             assertMotionRangeEquals(device.getMotionRanges().get(j),
70                     outDevice.getMotionRanges().get(j));
71         }
72     }
73 
assertInputDeviceParcelUnparcel(KeyCharacterMap keyCharacterMap)74     private void assertInputDeviceParcelUnparcel(KeyCharacterMap keyCharacterMap) {
75         final InputDevice.Builder deviceBuilder = new InputDevice.Builder()
76                 .setId(DEVICE_ID)
77                 .setGeneration(42)
78                 .setControllerNumber(43)
79                 .setName("Test Device " + DEVICE_ID)
80                 .setVendorId(44)
81                 .setProductId(45)
82                 .setDescriptor("descriptor")
83                 .setExternal(true)
84                 .setSources(InputDevice.SOURCE_HDMI)
85                 .setKeyboardType(InputDevice.KEYBOARD_TYPE_NON_ALPHABETIC)
86                 .setKeyCharacterMap(keyCharacterMap)
87                 .setHasVibrator(true)
88                 .setHasMicrophone(true)
89                 .setHasButtonUnderPad(true)
90                 .setHasSensor(true)
91                 .setHasBattery(true)
92                 .setKeyboardLanguageTag("en-US")
93                 .setKeyboardLayoutType("qwerty")
94                 .setUsiVersion(new HostUsiVersion(2, 0));
95 
96         for (int i = 0; i < 30; i++) {
97             deviceBuilder.addMotionRange(
98                     MotionEvent.AXIS_GENERIC_1,
99                     InputDevice.SOURCE_UNKNOWN,
100                     i,
101                     i + 1,
102                     i + 2,
103                     i + 3,
104                     i + 4);
105         }
106 
107         final InputDevice device = deviceBuilder.build();
108 
109         Parcel parcel = Parcel.obtain();
110         device.writeToParcel(parcel, 0);
111         parcel.setDataPosition(0);
112 
113         InputDevice outDevice = InputDevice.CREATOR.createFromParcel(parcel);
114         assertDeviceEquals(device, outDevice);
115     }
116 
117     @Test
testParcelUnparcelInputDevice_VirtualCharacterMap()118     public void testParcelUnparcelInputDevice_VirtualCharacterMap() {
119         final KeyCharacterMap keyCharacterMap =
120                 KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
121         assertInputDeviceParcelUnparcel(keyCharacterMap);
122     }
123 
124     @Test
testParcelUnparcelInputDevice_EmptyCharacterMap()125     public void testParcelUnparcelInputDevice_EmptyCharacterMap() {
126         final KeyCharacterMap keyCharacterMap = KeyCharacterMap.obtainEmptyMap(DEVICE_ID);
127         assertInputDeviceParcelUnparcel(keyCharacterMap);
128     }
129 }
130