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 #include "../InputClassifierConverter.h"
18 
19 #include <gtest/gtest.h>
20 #include <utils/BitSet.h>
21 
22 
23 using namespace android::hardware::input;
24 
25 namespace android {
26 
27 // --- InputClassifierConverterTest ---
28 
generateBasicMotionArgs()29 static NotifyMotionArgs generateBasicMotionArgs() {
30     // Create a basic motion event for testing
31     PointerProperties properties;
32     properties.id = 0;
33     properties.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
34 
35     PointerCoords coords;
36     coords.clear();
37     coords.setAxisValue(AMOTION_EVENT_AXIS_X, 1);
38     coords.setAxisValue(AMOTION_EVENT_AXIS_Y, 2);
39     coords.setAxisValue(AMOTION_EVENT_AXIS_SIZE, 0.5);
40     static constexpr nsecs_t downTime = 2;
41     NotifyMotionArgs motionArgs(1/*sequenceNum*/, downTime/*eventTime*/, 3/*deviceId*/,
42             AINPUT_SOURCE_ANY, ADISPLAY_ID_DEFAULT, 4/*policyFlags*/, AMOTION_EVENT_ACTION_DOWN,
43             0/*actionButton*/, 0/*flags*/, AMETA_NONE, 0/*buttonState*/, MotionClassification::NONE,
44             AMOTION_EVENT_EDGE_FLAG_NONE, 5/*deviceTimestamp*/,
45             1/*pointerCount*/, &properties, &coords, 0/*xPrecision*/, 0/*yPrecision*/,
46             downTime, {}/*videoFrames*/);
47     return motionArgs;
48 }
49 
getMotionEventAxis(common::V1_0::PointerCoords coords,common::V1_0::Axis axis)50 static float getMotionEventAxis(common::V1_0::PointerCoords coords,
51         common::V1_0::Axis axis) {
52     uint32_t index = BitSet64::getIndexOfBit(static_cast<uint64_t>(coords.bits),
53             static_cast<uint64_t>(axis));
54     return coords.values[index];
55 }
56 
57 /**
58  * Check that coordinates get converted properly from the framework's PointerCoords
59  * to the hidl PointerCoords in input::common.
60  */
TEST(InputClassifierConverterTest,PointerCoordsAxes)61 TEST(InputClassifierConverterTest, PointerCoordsAxes) {
62     const NotifyMotionArgs motionArgs = generateBasicMotionArgs();
63     ASSERT_EQ(1, motionArgs.pointerCoords[0].getX());
64     ASSERT_EQ(2, motionArgs.pointerCoords[0].getY());
65     ASSERT_EQ(0.5, motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_SIZE));
66     ASSERT_EQ(3U, BitSet64::count(motionArgs.pointerCoords[0].bits));
67 
68     common::V1_0::MotionEvent motionEvent = notifyMotionArgsToHalMotionEvent(motionArgs);
69 
70     ASSERT_EQ(getMotionEventAxis(motionEvent.pointerCoords[0], common::V1_0::Axis::X),
71             motionArgs.pointerCoords[0].getX());
72     ASSERT_EQ(getMotionEventAxis(motionEvent.pointerCoords[0], common::V1_0::Axis::Y),
73             motionArgs.pointerCoords[0].getY());
74     ASSERT_EQ(getMotionEventAxis(motionEvent.pointerCoords[0], common::V1_0::Axis::SIZE),
75             motionArgs.pointerCoords[0].getAxisValue(AMOTION_EVENT_AXIS_SIZE));
76     ASSERT_EQ(BitSet64::count(motionArgs.pointerCoords[0].bits),
77             BitSet64::count(motionEvent.pointerCoords[0].bits));
78 }
79 
80 } // namespace android
81