libs/input/tests/InputEvent_test.cpp - platform/frameworks/native - Git at Google


            
            /*

            
             * Copyright (C) 2011 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.

            
             */


            #include <array>

            
            #include <math.h>


            #include <binder/Parcel.h>

            
            #include <gtest/gtest.h>

            
            #include <input/Input.h>


            namespace android {


            // Default display id.

            
            static constexpr int32_t DISPLAY_ID = ADISPLAY_ID_DEFAULT;


            class BaseTest : public testing::Test {

            
            protected:

            
                static constexpr std::array<uint8_t, 32> HMAC = {0,  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};

            
            };


            // --- PointerCoordsTest ---


            class PointerCoordsTest : public BaseTest {

            
            };


            TEST_F(PointerCoordsTest, ClearSetsBitsToZero) {

            
                PointerCoords coords;

            
                coords.clear();


                ASSERT_EQ(0ULL, coords.bits);

            
            }


            TEST_F(PointerCoordsTest, AxisValues) {

            
                PointerCoords coords;

            
                coords.clear();


                // Check invariants when no axes are present.

            
                ASSERT_EQ(0, coords.getAxisValue(0))

            
                        << "getAxisValue should return zero because axis is not present";

            
                ASSERT_EQ(0, coords.getAxisValue(1))

            
                        << "getAxisValue should return zero because axis is not present";


                // Set first axis.

            
                ASSERT_EQ(OK, coords.setAxisValue(1, 5));

            
                ASSERT_EQ(5, coords.values[0]);

            
                ASSERT_EQ(0x4000000000000000ULL, coords.bits);


                ASSERT_EQ(0, coords.getAxisValue(0))

            
                        << "getAxisValue should return zero because axis is not present";

            
                ASSERT_EQ(5, coords.getAxisValue(1))

            
                        << "getAxisValue should return value of axis";


                // Set an axis with a higher id than all others.  (appending value at the end)

            
                ASSERT_EQ(OK, coords.setAxisValue(3, 2));

            
                ASSERT_EQ(0x5000000000000000ULL, coords.bits);

            
                ASSERT_EQ(5, coords.values[0]);

            
                ASSERT_EQ(2, coords.values[1]);


                ASSERT_EQ(0, coords.getAxisValue(0))

            
                        << "getAxisValue should return zero because axis is not present";

            
                ASSERT_EQ(5, coords.getAxisValue(1))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(0, coords.getAxisValue(2))

            
                        << "getAxisValue should return zero because axis is not present";

            
                ASSERT_EQ(2, coords.getAxisValue(3))

            
                        << "getAxisValue should return value of axis";


                // Set an axis with an id lower than all others.  (prepending value at beginning)

            
                ASSERT_EQ(OK, coords.setAxisValue(0, 4));

            
                ASSERT_EQ(0xd000000000000000ULL, coords.bits);

            
                ASSERT_EQ(4, coords.values[0]);

            
                ASSERT_EQ(5, coords.values[1]);

            
                ASSERT_EQ(2, coords.values[2]);


                ASSERT_EQ(4, coords.getAxisValue(0))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(5, coords.getAxisValue(1))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(0, coords.getAxisValue(2))

            
                        << "getAxisValue should return zero because axis is not present";

            
                ASSERT_EQ(2, coords.getAxisValue(3))

            
                        << "getAxisValue should return value of axis";


                // Set an axis with an id between the others.  (inserting value in the middle)

            
                ASSERT_EQ(OK, coords.setAxisValue(2, 1));

            
                ASSERT_EQ(0xf000000000000000ULL, coords.bits);

            
                ASSERT_EQ(4, coords.values[0]);

            
                ASSERT_EQ(5, coords.values[1]);

            
                ASSERT_EQ(1, coords.values[2]);

            
                ASSERT_EQ(2, coords.values[3]);


                ASSERT_EQ(4, coords.getAxisValue(0))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(5, coords.getAxisValue(1))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(1, coords.getAxisValue(2))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(2, coords.getAxisValue(3))

            
                        << "getAxisValue should return value of axis";


                // Set an existing axis value in place.

            
                ASSERT_EQ(OK, coords.setAxisValue(1, 6));

            
                ASSERT_EQ(0xf000000000000000ULL, coords.bits);

            
                ASSERT_EQ(4, coords.values[0]);

            
                ASSERT_EQ(6, coords.values[1]);

            
                ASSERT_EQ(1, coords.values[2]);

            
                ASSERT_EQ(2, coords.values[3]);


                ASSERT_EQ(4, coords.getAxisValue(0))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(6, coords.getAxisValue(1))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(1, coords.getAxisValue(2))

            
                        << "getAxisValue should return value of axis";

            
                ASSERT_EQ(2, coords.getAxisValue(3))

            
                        << "getAxisValue should return value of axis";


                // Set maximum number of axes.

            
                for (size_t axis = 4; axis < PointerCoords::MAX_AXES; axis++) {

            
                    ASSERT_EQ(OK, coords.setAxisValue(axis, axis));

            
                }

            
                ASSERT_EQ(PointerCoords::MAX_AXES, __builtin_popcountll(coords.bits));


                // Try to set one more axis beyond maximum number.

            
                // Ensure bits are unchanged.

            
                ASSERT_EQ(NO_MEMORY, coords.setAxisValue(PointerCoords::MAX_AXES, 100));

            
                ASSERT_EQ(PointerCoords::MAX_AXES, __builtin_popcountll(coords.bits));

            
            }


            TEST_F(PointerCoordsTest, Parcel) {

            
                Parcel parcel;


                PointerCoords inCoords;

            
                inCoords.clear();

            
                PointerCoords outCoords;


                // Round trip with empty coords.

            
                inCoords.writeToParcel(&parcel);

            
                parcel.setDataPosition(0);

            
                outCoords.readFromParcel(&parcel);


                ASSERT_EQ(0ULL, outCoords.bits);


                // Round trip with some values.

            
                parcel.freeData();

            
                inCoords.setAxisValue(2, 5);

            
                inCoords.setAxisValue(5, 8);


                inCoords.writeToParcel(&parcel);

            
                parcel.setDataPosition(0);

            
                outCoords.readFromParcel(&parcel);


                ASSERT_EQ(outCoords.bits, inCoords.bits);

            
                ASSERT_EQ(outCoords.values[0], inCoords.values[0]);

            
                ASSERT_EQ(outCoords.values[1], inCoords.values[1]);

            
            }


            // --- KeyEventTest ---


            class KeyEventTest : public BaseTest {

            
            };


            TEST_F(KeyEventTest, Properties) {

            
                KeyEvent event;


                // Initialize and get properties.

            
                constexpr nsecs_t ARBITRARY_DOWN_TIME = 1;

            
                constexpr nsecs_t ARBITRARY_EVENT_TIME = 2;

            
                const int32_t id = InputEvent::nextId();

            
                event.initialize(id, 2, AINPUT_SOURCE_GAMEPAD, DISPLAY_ID, HMAC, AKEY_EVENT_ACTION_DOWN,

            
                                 AKEY_EVENT_FLAG_FROM_SYSTEM, AKEYCODE_BUTTON_X, 121, AMETA_ALT_ON, 1,

            
                                 ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME);


                ASSERT_EQ(id, event.getId());

            
                ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event.getType());

            
                ASSERT_EQ(2, event.getDeviceId());

            
                ASSERT_EQ(AINPUT_SOURCE_GAMEPAD, event.getSource());

            
                ASSERT_EQ(DISPLAY_ID, event.getDisplayId());

            
                EXPECT_EQ(HMAC, event.getHmac());

            
                ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, event.getAction());

            
                ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, event.getFlags());

            
                ASSERT_EQ(AKEYCODE_BUTTON_X, event.getKeyCode());

            
                ASSERT_EQ(121, event.getScanCode());

            
                ASSERT_EQ(AMETA_ALT_ON, event.getMetaState());

            
                ASSERT_EQ(1, event.getRepeatCount());

            
                ASSERT_EQ(ARBITRARY_DOWN_TIME, event.getDownTime());

            
                ASSERT_EQ(ARBITRARY_EVENT_TIME, event.getEventTime());


                // Set source.

            
                event.setSource(AINPUT_SOURCE_JOYSTICK);

            
                ASSERT_EQ(AINPUT_SOURCE_JOYSTICK, event.getSource());


                // Set display id.

            
                constexpr int32_t newDisplayId = 2;

            
                event.setDisplayId(newDisplayId);

            
                ASSERT_EQ(newDisplayId, event.getDisplayId());

            
            }


            // --- MotionEventTest ---


            class MotionEventTest : public BaseTest {

            
            protected:

            
                static constexpr nsecs_t ARBITRARY_DOWN_TIME = 1;

            
                static constexpr nsecs_t ARBITRARY_EVENT_TIME = 2;

            
                static constexpr float X_SCALE = 2.0;

            
                static constexpr float Y_SCALE = 3.0;

            
                static constexpr float X_OFFSET = 1;

            
                static constexpr float Y_OFFSET = 1.1;


                int32_t mId;


                void initializeEventWithHistory(MotionEvent* event);

            
                void assertEqualsEventWithHistory(const MotionEvent* event);

            
            };


            void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {

            
                mId = InputEvent::nextId();


                PointerProperties pointerProperties[2];

            
                pointerProperties[0].clear();

            
                pointerProperties[0].id = 1;

            
                pointerProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;

            
                pointerProperties[1].clear();

            
                pointerProperties[1].id = 2;

            
                pointerProperties[1].toolType = AMOTION_EVENT_TOOL_TYPE_STYLUS;


                PointerCoords pointerCoords[2];

            
                pointerCoords[0].clear();

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 10);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 11);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 12);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 13);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 14);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 15);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 16);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 17);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 18);

            
                pointerCoords[1].clear();

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 20);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 21);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 22);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 23);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 24);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 25);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 26);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 27);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 28);

            
                event->initialize(mId, 2, AINPUT_SOURCE_TOUCHSCREEN, DISPLAY_ID, HMAC,

            
                                  AMOTION_EVENT_ACTION_MOVE, 0, AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED,

            
                                  AMOTION_EVENT_EDGE_FLAG_TOP, AMETA_ALT_ON, AMOTION_EVENT_BUTTON_PRIMARY,

            
                                  MotionClassification::NONE, X_SCALE, Y_SCALE, X_OFFSET, Y_OFFSET, 2.0f, 2.1f,

            
                                  AMOTION_EVENT_INVALID_CURSOR_POSITION, AMOTION_EVENT_INVALID_CURSOR_POSITION,

            
                                  ARBITRARY_DOWN_TIME, ARBITRARY_EVENT_TIME, 2, pointerProperties,

            
                                  pointerCoords);


                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 110);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 111);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 112);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 113);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 114);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 115);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 116);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 117);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 118);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 120);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 121);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 122);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 123);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 124);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 125);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 126);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 127);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 128);

            
                event->addSample(ARBITRARY_EVENT_TIME + 1, pointerCoords);


                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, 210);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, 211);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 212);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 213);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 214);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 215);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 216);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 217);

            
                pointerCoords[0].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 218);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_X, 220);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_Y, 221);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 222);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 223);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 224);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 225);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 226);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, 227);

            
                pointerCoords[1].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 228);

            
                event->addSample(ARBITRARY_EVENT_TIME + 2, pointerCoords);

            
            }


            void MotionEventTest::assertEqualsEventWithHistory(const MotionEvent* event) {

            
                // Check properties.

            
                ASSERT_EQ(mId, event->getId());

            
                ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType());

            
                ASSERT_EQ(2, event->getDeviceId());

            
                ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, event->getSource());

            
                ASSERT_EQ(DISPLAY_ID, event->getDisplayId());

            
                EXPECT_EQ(HMAC, event->getHmac());

            
                ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, event->getAction());

            
                ASSERT_EQ(AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED, event->getFlags());

            
                ASSERT_EQ(AMOTION_EVENT_EDGE_FLAG_TOP, event->getEdgeFlags());

            
                ASSERT_EQ(AMETA_ALT_ON, event->getMetaState());

            
                ASSERT_EQ(AMOTION_EVENT_BUTTON_PRIMARY, event->getButtonState());

            
                ASSERT_EQ(MotionClassification::NONE, event->getClassification());

            
                EXPECT_EQ(X_SCALE, event->getXScale());

            
                EXPECT_EQ(Y_SCALE, event->getYScale());

            
                ASSERT_EQ(X_OFFSET, event->getXOffset());

            
                ASSERT_EQ(Y_OFFSET, event->getYOffset());

            
                ASSERT_EQ(2.0f, event->getXPrecision());

            
                ASSERT_EQ(2.1f, event->getYPrecision());

            
                ASSERT_EQ(ARBITRARY_DOWN_TIME, event->getDownTime());


                ASSERT_EQ(2U, event->getPointerCount());

            
                ASSERT_EQ(1, event->getPointerId(0));

            
                ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_FINGER, event->getToolType(0));

            
                ASSERT_EQ(2, event->getPointerId(1));

            
                ASSERT_EQ(AMOTION_EVENT_TOOL_TYPE_STYLUS, event->getToolType(1));


                ASSERT_EQ(2U, event->getHistorySize());


                // Check data.

            
                ASSERT_EQ(ARBITRARY_EVENT_TIME, event->getHistoricalEventTime(0));

            
                ASSERT_EQ(ARBITRARY_EVENT_TIME + 1, event->getHistoricalEventTime(1));

            
                ASSERT_EQ(ARBITRARY_EVENT_TIME + 2, event->getEventTime());


                ASSERT_EQ(11, event->getHistoricalRawPointerCoords(0, 0)->

            
                        getAxisValue(AMOTION_EVENT_AXIS_Y));

            
                ASSERT_EQ(21, event->getHistoricalRawPointerCoords(1, 0)->

            
                        getAxisValue(AMOTION_EVENT_AXIS_Y));

            
                ASSERT_EQ(111, event->getHistoricalRawPointerCoords(0, 1)->

            
                        getAxisValue(AMOTION_EVENT_AXIS_Y));

            
                ASSERT_EQ(121, event->getHistoricalRawPointerCoords(1, 1)->

            
                        getAxisValue(AMOTION_EVENT_AXIS_Y));

            
                ASSERT_EQ(211, event->getRawPointerCoords(0)->

            
                        getAxisValue(AMOTION_EVENT_AXIS_Y));

            
                ASSERT_EQ(221, event->getRawPointerCoords(1)->

            
                        getAxisValue(AMOTION_EVENT_AXIS_Y));


                ASSERT_EQ(11, event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 0));

            
                ASSERT_EQ(21, event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 0));

            
                ASSERT_EQ(111, event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 0, 1));

            
                ASSERT_EQ(121, event->getHistoricalRawAxisValue(AMOTION_EVENT_AXIS_Y, 1, 1));

            
                ASSERT_EQ(211, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 0));

            
                ASSERT_EQ(221, event->getRawAxisValue(AMOTION_EVENT_AXIS_Y, 1));


                ASSERT_EQ(10, event->getHistoricalRawX(0, 0));

            
                ASSERT_EQ(20, event->getHistoricalRawX(1, 0));

            
                ASSERT_EQ(110, event->getHistoricalRawX(0, 1));

            
                ASSERT_EQ(120, event->getHistoricalRawX(1, 1));

            
                ASSERT_EQ(210, event->getRawX(0));

            
                ASSERT_EQ(220, event->getRawX(1));


                ASSERT_EQ(11, event->getHistoricalRawY(0, 0));

            
                ASSERT_EQ(21, event->getHistoricalRawY(1, 0));

            
                ASSERT_EQ(111, event->getHistoricalRawY(0, 1));

            
                ASSERT_EQ(121, event->getHistoricalRawY(1, 1));

            
                ASSERT_EQ(211, event->getRawY(0));

            
                ASSERT_EQ(221, event->getRawY(1));


                ASSERT_EQ(X_OFFSET + 10 * X_SCALE, event->getHistoricalX(0, 0));

            
                ASSERT_EQ(X_OFFSET + 20 * X_SCALE, event->getHistoricalX(1, 0));

            
                ASSERT_EQ(X_OFFSET + 110 * X_SCALE, event->getHistoricalX(0, 1));

            
                ASSERT_EQ(X_OFFSET + 120 * X_SCALE, event->getHistoricalX(1, 1));

            
                ASSERT_EQ(X_OFFSET + 210 * X_SCALE, event->getX(0));

            
                ASSERT_EQ(X_OFFSET + 220 * X_SCALE, event->getX(1));


                ASSERT_EQ(Y_OFFSET + 11 * Y_SCALE, event->getHistoricalY(0, 0));

            
                ASSERT_EQ(Y_OFFSET + 21 * Y_SCALE, event->getHistoricalY(1, 0));

            
                ASSERT_EQ(Y_OFFSET + 111 * Y_SCALE, event->getHistoricalY(0, 1));

            
                ASSERT_EQ(Y_OFFSET + 121 * Y_SCALE, event->getHistoricalY(1, 1));

            
                ASSERT_EQ(Y_OFFSET + 211 * Y_SCALE, event->getY(0));

            
                ASSERT_EQ(Y_OFFSET + 221 * Y_SCALE, event->getY(1));


                ASSERT_EQ(12, event->getHistoricalPressure(0, 0));

            
                ASSERT_EQ(22, event->getHistoricalPressure(1, 0));

            
                ASSERT_EQ(112, event->getHistoricalPressure(0, 1));

            
                ASSERT_EQ(122, event->getHistoricalPressure(1, 1));

            
                ASSERT_EQ(212, event->getPressure(0));

            
                ASSERT_EQ(222, event->getPressure(1));


                ASSERT_EQ(13, event->getHistoricalSize(0, 0));

            
                ASSERT_EQ(23, event->getHistoricalSize(1, 0));

            
                ASSERT_EQ(113, event->getHistoricalSize(0, 1));

            
                ASSERT_EQ(123, event->getHistoricalSize(1, 1));

            
                ASSERT_EQ(213, event->getSize(0));

            
                ASSERT_EQ(223, event->getSize(1));


                ASSERT_EQ(14, event->getHistoricalTouchMajor(0, 0));

            
                ASSERT_EQ(24, event->getHistoricalTouchMajor(1, 0));

            
                ASSERT_EQ(114, event->getHistoricalTouchMajor(0, 1));

            
                ASSERT_EQ(124, event->getHistoricalTouchMajor(1, 1));

            
                ASSERT_EQ(214, event->getTouchMajor(0));

            
                ASSERT_EQ(224, event->getTouchMajor(1));


                ASSERT_EQ(15, event->getHistoricalTouchMinor(0, 0));

            
                ASSERT_EQ(25, event->getHistoricalTouchMinor(1, 0));

            
                ASSERT_EQ(115, event->getHistoricalTouchMinor(0, 1));

            
                ASSERT_EQ(125, event->getHistoricalTouchMinor(1, 1));

            
                ASSERT_EQ(215, event->getTouchMinor(0));

            
                ASSERT_EQ(225, event->getTouchMinor(1));


                ASSERT_EQ(16, event->getHistoricalToolMajor(0, 0));

            
                ASSERT_EQ(26, event->getHistoricalToolMajor(1, 0));

            
                ASSERT_EQ(116, event->getHistoricalToolMajor(0, 1));

            
                ASSERT_EQ(126, event->getHistoricalToolMajor(1, 1));

            
                ASSERT_EQ(216, event->getToolMajor(0));

            
                ASSERT_EQ(226, event->getToolMajor(1));


                ASSERT_EQ(17, event->getHistoricalToolMinor(0, 0));

            
                ASSERT_EQ(27, event->getHistoricalToolMinor(1, 0));

            
                ASSERT_EQ(117, event->getHistoricalToolMinor(0, 1));

            
                ASSERT_EQ(127, event->getHistoricalToolMinor(1, 1));

            
                ASSERT_EQ(217, event->getToolMinor(0));

            
                ASSERT_EQ(227, event->getToolMinor(1));


                ASSERT_EQ(18, event->getHistoricalOrientation(0, 0));

            
                ASSERT_EQ(28, event->getHistoricalOrientation(1, 0));

            
                ASSERT_EQ(118, event->getHistoricalOrientation(0, 1));

            
                ASSERT_EQ(128, event->getHistoricalOrientation(1, 1));

            
                ASSERT_EQ(218, event->getOrientation(0));

            
                ASSERT_EQ(228, event->getOrientation(1));

            
            }


            TEST_F(MotionEventTest, Properties) {

            
                MotionEvent event;


                // Initialize, add samples and check properties.

            
                initializeEventWithHistory(&event);

            
                ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&event));


                // Set source.

            
                event.setSource(AINPUT_SOURCE_JOYSTICK);

            
                ASSERT_EQ(AINPUT_SOURCE_JOYSTICK, event.getSource());


                // Set displayId.

            
                constexpr int32_t newDisplayId = 2;

            
                event.setDisplayId(newDisplayId);

            
                ASSERT_EQ(newDisplayId, event.getDisplayId());


                // Set action.

            
                event.setAction(AMOTION_EVENT_ACTION_CANCEL);

            
                ASSERT_EQ(AMOTION_EVENT_ACTION_CANCEL, event.getAction());


                // Set meta state.

            
                event.setMetaState(AMETA_CTRL_ON);

            
                ASSERT_EQ(AMETA_CTRL_ON, event.getMetaState());

            
            }


            TEST_F(MotionEventTest, CopyFrom_KeepHistory) {

            
                MotionEvent event;

            
                initializeEventWithHistory(&event);


                MotionEvent copy;

            
                copy.copyFrom(&event, true /*keepHistory*/);


                ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&event));

            
            }


            TEST_F(MotionEventTest, CopyFrom_DoNotKeepHistory) {

            
                MotionEvent event;

            
                initializeEventWithHistory(&event);


                MotionEvent copy;

            
                copy.copyFrom(&event, false /*keepHistory*/);


                ASSERT_EQ(event.getPointerCount(), copy.getPointerCount());

            
                ASSERT_EQ(0U, copy.getHistorySize());


                ASSERT_EQ(event.getPointerId(0), copy.getPointerId(0));

            
                ASSERT_EQ(event.getPointerId(1), copy.getPointerId(1));


                ASSERT_EQ(event.getEventTime(), copy.getEventTime());


                ASSERT_EQ(event.getX(0), copy.getX(0));

            
            }


            TEST_F(MotionEventTest, OffsetLocation) {

            
                MotionEvent event;

            
                initializeEventWithHistory(&event);


                event.offsetLocation(5.0f, -2.0f);


                ASSERT_EQ(X_OFFSET + 5.0f, event.getXOffset());

            
                ASSERT_EQ(Y_OFFSET - 2.0f, event.getYOffset());

            
            }


            TEST_F(MotionEventTest, Scale) {

            
                MotionEvent event;

            
                initializeEventWithHistory(&event);


                event.scale(2.0f);


                ASSERT_EQ(X_OFFSET * 2, event.getXOffset());

            
                ASSERT_EQ(Y_OFFSET * 2, event.getYOffset());


                ASSERT_EQ(210 * 2, event.getRawX(0));

            
                ASSERT_EQ(211 * 2, event.getRawY(0));

            
                ASSERT_EQ((X_OFFSET + 210 * X_SCALE) * 2, event.getX(0));

            
                ASSERT_EQ((Y_OFFSET + 211 * Y_SCALE) * 2, event.getY(0));

            
                ASSERT_EQ(212, event.getPressure(0));

            
                ASSERT_EQ(213, event.getSize(0));

            
                ASSERT_EQ(214 * 2, event.getTouchMajor(0));

            
                ASSERT_EQ(215 * 2, event.getTouchMinor(0));

            
                ASSERT_EQ(216 * 2, event.getToolMajor(0));

            
                ASSERT_EQ(217 * 2, event.getToolMinor(0));

            
                ASSERT_EQ(218, event.getOrientation(0));

            
            }


            TEST_F(MotionEventTest, Parcel) {

            
                Parcel parcel;


                MotionEvent inEvent;

            
                initializeEventWithHistory(&inEvent);

            
                MotionEvent outEvent;


                // Round trip.

            
                inEvent.writeToParcel(&parcel);

            
                parcel.setDataPosition(0);

            
                outEvent.readFromParcel(&parcel);


                ASSERT_NO_FATAL_FAILURE(assertEqualsEventWithHistory(&outEvent));

            
            }


            static void setRotationMatrix(float matrix[9], float angle) {

            
                float sin = sinf(angle);

            
                float cos = cosf(angle);

            
                matrix[0] = cos;

            
                matrix[1] = -sin;

            
                matrix[2] = 0;

            
                matrix[3] = sin;

            
                matrix[4] = cos;

            
                matrix[5] = 0;

            
                matrix[6] = 0;

            
                matrix[7] = 0;

            
                matrix[8] = 1.0f;

            
            }


            TEST_F(MotionEventTest, Transform) {

            
                // Generate some points on a circle.

            
                // Each point 'i' is a point on a circle of radius ROTATION centered at (3,2) at an angle

            
                // of ARC * i degrees clockwise relative to the Y axis.

            
                // The geometrical representation is irrelevant to the test, it's just easy to generate

            
                // and check rotation.  We set the orientation to the same angle.

            
                // Coordinate system: down is increasing Y, right is increasing X.

            
                const float PI_180 = float(M_PI / 180);

            
                const float RADIUS = 10;

            
                const float ARC = 36;

            
                const float ROTATION = ARC * 2;


                const size_t pointerCount = 11;

            
                PointerProperties pointerProperties[pointerCount];

            
                PointerCoords pointerCoords[pointerCount];

            
                for (size_t i = 0; i < pointerCount; i++) {

            
                    float angle = float(i * ARC * PI_180);

            
                    pointerProperties[i].clear();

            
                    pointerProperties[i].id = i;

            
                    pointerCoords[i].clear();

            
                    pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, sinf(angle) * RADIUS + 3);

            
                    pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, -cosf(angle) * RADIUS + 2);

            
                    pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, angle);

            
                }

            
                MotionEvent event;

            
                event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_UNKNOWN, DISPLAY_ID,

            
                                 INVALID_HMAC, AMOTION_EVENT_ACTION_MOVE, 0 /*actionButton*/, 0 /*flags*/,

            
                                 AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0 /*buttonState*/,

            
                                 MotionClassification::NONE, 1 /*xScale*/, 1 /*yScale*/, 0 /*xOffset*/,

            
                                 0 /*yOffset*/, 0 /*xPrecision*/, 0 /*yPrecision*/,

            
                                 3 + RADIUS /*xCursorPosition*/, 2 /*yCursorPosition*/, 0 /*downTime*/,

            
                                 0 /*eventTime*/, pointerCount, pointerProperties, pointerCoords);

            
                float originalRawX = 0 + 3;

            
                float originalRawY = -RADIUS + 2;


                // Check original raw X and Y assumption.

            
                ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001);

            
                ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);


                // Now translate the motion event so the circle's origin is at (0,0).

            
                event.offsetLocation(-3, -2);


                // Offsetting the location should preserve the raw X and Y of the first point.

            
                ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001);

            
                ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);


                // Apply a rotation about the origin by ROTATION degrees clockwise.

            
                float matrix[9];

            
                setRotationMatrix(matrix, ROTATION * PI_180);

            
                event.transform(matrix);


                // Check the points.

            
                for (size_t i = 0; i < pointerCount; i++) {

            
                    float angle = float((i * ARC + ROTATION) * PI_180);

            
                    ASSERT_NEAR(sinf(angle) * RADIUS, event.getX(i), 0.001);

            
                    ASSERT_NEAR(-cosf(angle) * RADIUS, event.getY(i), 0.001);

            
                    ASSERT_NEAR(tanf(angle), tanf(event.getOrientation(i)), 0.1);

            
                }


                // Check cursor positions. The original cursor position is at (3 + RADIUS, 2), where the center

            
                // of the circle is (3, 2), so the cursor position is to the right of the center of the circle.

            
                // The choice of triangular functions in this test defines the angle of rotation clockwise

            
                // relative to the y-axis. Therefore the cursor position's angle is 90 degrees. Here we swap the

            
                // triangular function so that we don't have to add the 90 degrees.

            
                ASSERT_NEAR(cosf(PI_180 * ROTATION) * RADIUS, event.getXCursorPosition(), 0.001);

            
                ASSERT_NEAR(sinf(PI_180 * ROTATION) * RADIUS, event.getYCursorPosition(), 0.001);


                // Applying the transformation should preserve the raw X and Y of the first point.

            
                ASSERT_NEAR(originalRawX, event.getRawX(0), 0.001);

            
                ASSERT_NEAR(originalRawY, event.getRawY(0), 0.001);

            
            }


            TEST_F(MotionEventTest, Initialize_SetsClassification) {

            
                std::array<MotionClassification, 3> classifications = {

            
                        MotionClassification::NONE,

            
                        MotionClassification::AMBIGUOUS_GESTURE,

            
                        MotionClassification::DEEP_PRESS,

            
                };


                MotionEvent event;

            
                constexpr size_t pointerCount = 1;

            
                PointerProperties pointerProperties[pointerCount];

            
                PointerCoords pointerCoords[pointerCount];

            
                for (size_t i = 0; i < pointerCount; i++) {

            
                    pointerProperties[i].clear();

            
                    pointerProperties[i].id = i;

            
                    pointerCoords[i].clear();

            
                }


                for (MotionClassification classification : classifications) {

            
                    event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_TOUCHSCREEN,

            
                                     DISPLAY_ID, INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0,

            
                                     AMOTION_EVENT_EDGE_FLAG_NONE, AMETA_NONE, 0, classification, 1 /*xScale*/,

            
                                     1 /*yScale*/, 0, 0, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,

            
                                     AMOTION_EVENT_INVALID_CURSOR_POSITION, 0 /*downTime*/, 0 /*eventTime*/,

            
                                     pointerCount, pointerProperties, pointerCoords);

            
                    ASSERT_EQ(classification, event.getClassification());

            
                }

            
            }


            TEST_F(MotionEventTest, Initialize_SetsCursorPosition) {

            
                MotionEvent event;

            
                constexpr size_t pointerCount = 1;

            
                PointerProperties pointerProperties[pointerCount];

            
                PointerCoords pointerCoords[pointerCount];

            
                for (size_t i = 0; i < pointerCount; i++) {

            
                    pointerProperties[i].clear();

            
                    pointerProperties[i].id = i;

            
                    pointerCoords[i].clear();

            
                }


                event.initialize(InputEvent::nextId(), 0 /*deviceId*/, AINPUT_SOURCE_MOUSE, DISPLAY_ID,

            
                                 INVALID_HMAC, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMOTION_EVENT_EDGE_FLAG_NONE,

            
                                 AMETA_NONE, 0, MotionClassification::NONE, 1 /*xScale*/, 1 /*yScale*/, 0, 0, 0,

            
                                 0, 280 /*xCursorPosition*/, 540 /*yCursorPosition*/, 0 /*downTime*/,

            
                                 0 /*eventTime*/, pointerCount, pointerProperties, pointerCoords);

            
                event.offsetLocation(20, 60);

            
                ASSERT_EQ(280, event.getRawXCursorPosition());

            
                ASSERT_EQ(540, event.getRawYCursorPosition());

            
                ASSERT_EQ(300, event.getXCursorPosition());

            
                ASSERT_EQ(600, event.getYCursorPosition());

            
            }


            TEST_F(MotionEventTest, SetCursorPosition) {

            
                MotionEvent event;

            
                initializeEventWithHistory(&event);

            
                event.setSource(AINPUT_SOURCE_MOUSE);


                event.setCursorPosition(3, 4);

            
                ASSERT_EQ(3, event.getXCursorPosition());

            
                ASSERT_EQ(4, event.getYCursorPosition());

            
            }


            } // namespace android