/*
* 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 <math.h>
#include <binder/Parcel.h>
#include <gtest/gtest.h>
#include <input/Input.h>
namespace android {
class BaseTest : public testing::Test {
protected:
virtual void SetUp() { }
virtual void TearDown() { }
};
// --- PointerCoordsTest ---
class PointerCoordsTest : public BaseTest {
};
TEST_F(PointerCoordsTest, ClearSetsBitsToZero) {
PointerCoords coords;
coords.clear();
ASSERT_EQ(0ULL, coords.bits);
}
TEST_F(PointerCoordsTest, AxisValues) {
float* valuePtr;
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.
const nsecs_t ARBITRARY_DOWN_TIME = 1;
const nsecs_t ARBITRARY_EVENT_TIME = 2;
event.initialize(2, AINPUT_SOURCE_GAMEPAD, 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(AINPUT_EVENT_TYPE_KEY, event.getType());
ASSERT_EQ(2, event.getDeviceId());
ASSERT_EQ(static_cast<int>(AINPUT_SOURCE_GAMEPAD), event.getSource());
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(static_cast<int>(AINPUT_SOURCE_JOYSTICK), event.getSource());
}
// --- MotionEventTest ---
class MotionEventTest : public BaseTest {
protected:
static const nsecs_t ARBITRARY_DOWN_TIME;
static const nsecs_t ARBITRARY_EVENT_TIME;
static const float X_OFFSET;
static const float Y_OFFSET;
void initializeEventWithHistory(MotionEvent* event);
void assertEqualsEventWithHistory(const MotionEvent* event);
};
const nsecs_t MotionEventTest::ARBITRARY_DOWN_TIME = 1;
const nsecs_t MotionEventTest::ARBITRARY_EVENT_TIME = 2;
const float MotionEventTest::X_OFFSET = 1.0f;
const float MotionEventTest::Y_OFFSET = 1.1f;
void MotionEventTest::initializeEventWithHistory(MotionEvent* event) {
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(2, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_MOVE, 0,
AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED,
AMOTION_EVENT_EDGE_FLAG_TOP, AMETA_ALT_ON, AMOTION_EVENT_BUTTON_PRIMARY,
X_OFFSET, Y_OFFSET, 2.0f, 2.1f,
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(AINPUT_EVENT_TYPE_MOTION, event->getType());
ASSERT_EQ(2, event->getDeviceId());
ASSERT_EQ(static_cast<int>(AINPUT_SOURCE_TOUCHSCREEN), event->getSource());
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(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, event->getHistoricalX(0, 0));
ASSERT_EQ(X_OFFSET + 20, event->getHistoricalX(1, 0));
ASSERT_EQ(X_OFFSET + 110, event->getHistoricalX(0, 1));
ASSERT_EQ(X_OFFSET + 120, event->getHistoricalX(1, 1));
ASSERT_EQ(X_OFFSET + 210, event->getX(0));
ASSERT_EQ(X_OFFSET + 220, event->getX(1));
ASSERT_EQ(Y_OFFSET + 11, event->getHistoricalY(0, 0));
ASSERT_EQ(Y_OFFSET + 21, event->getHistoricalY(1, 0));
ASSERT_EQ(Y_OFFSET + 111, event->getHistoricalY(0, 1));
ASSERT_EQ(Y_OFFSET + 121, event->getHistoricalY(1, 1));
ASSERT_EQ(Y_OFFSET + 211, event->getY(0));
ASSERT_EQ(Y_OFFSET + 221, 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(static_cast<int>(AINPUT_SOURCE_JOYSTICK), event.getSource());
// 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) * 2, event.getX(0));
ASSERT_EQ((Y_OFFSET + 211) * 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(0, 0, AMOTION_EVENT_ACTION_MOVE, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 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);
}
// 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);
}
} // namespace android