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      1 /*
      2  * Copyright (C) 2010 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 "TestHelpers.h"
     18 
     19 #include <unistd.h>
     20 #include <sys/mman.h>
     21 #include <time.h>
     22 
     23 #include <cutils/ashmem.h>
     24 #include <gtest/gtest.h>
     25 #include <input/InputTransport.h>
     26 #include <utils/Timers.h>
     27 #include <utils/StopWatch.h>
     28 
     29 namespace android {
     30 
     31 class InputPublisherAndConsumerTest : public testing::Test {
     32 protected:
     33     sp<InputChannel> serverChannel, clientChannel;
     34     InputPublisher* mPublisher;
     35     InputConsumer* mConsumer;
     36     PreallocatedInputEventFactory mEventFactory;
     37 
     38     virtual void SetUp() {
     39         status_t result = InputChannel::openInputChannelPair("channel name",
     40                 serverChannel, clientChannel);
     41 
     42         mPublisher = new InputPublisher(serverChannel);
     43         mConsumer = new InputConsumer(clientChannel);
     44     }
     45 
     46     virtual void TearDown() {
     47         if (mPublisher) {
     48             delete mPublisher;
     49             mPublisher = nullptr;
     50         }
     51 
     52         if (mConsumer) {
     53             delete mConsumer;
     54             mConsumer = nullptr;
     55         }
     56 
     57         serverChannel.clear();
     58         clientChannel.clear();
     59     }
     60 
     61     void PublishAndConsumeKeyEvent();
     62     void PublishAndConsumeMotionEvent();
     63 };
     64 
     65 TEST_F(InputPublisherAndConsumerTest, GetChannel_ReturnsTheChannel) {
     66     EXPECT_EQ(serverChannel.get(), mPublisher->getChannel().get());
     67     EXPECT_EQ(clientChannel.get(), mConsumer->getChannel().get());
     68 }
     69 
     70 void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
     71     status_t status;
     72 
     73     constexpr uint32_t seq = 15;
     74     constexpr int32_t deviceId = 1;
     75     constexpr int32_t source = AINPUT_SOURCE_KEYBOARD;
     76     constexpr int32_t displayId = ADISPLAY_ID_DEFAULT;
     77     constexpr int32_t action = AKEY_EVENT_ACTION_DOWN;
     78     constexpr int32_t flags = AKEY_EVENT_FLAG_FROM_SYSTEM;
     79     constexpr int32_t keyCode = AKEYCODE_ENTER;
     80     constexpr int32_t scanCode = 13;
     81     constexpr int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
     82     constexpr int32_t repeatCount = 1;
     83     constexpr nsecs_t downTime = 3;
     84     constexpr nsecs_t eventTime = 4;
     85 
     86     status = mPublisher->publishKeyEvent(seq, deviceId, source, displayId, action, flags,
     87             keyCode, scanCode, metaState, repeatCount, downTime, eventTime);
     88     ASSERT_EQ(OK, status)
     89             << "publisher publishKeyEvent should return OK";
     90 
     91     uint32_t consumeSeq;
     92     InputEvent* event;
     93     status = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, -1, &consumeSeq, &event);
     94     ASSERT_EQ(OK, status)
     95             << "consumer consume should return OK";
     96 
     97     ASSERT_TRUE(event != nullptr)
     98             << "consumer should have returned non-NULL event";
     99     ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event->getType())
    100             << "consumer should have returned a key event";
    101 
    102     KeyEvent* keyEvent = static_cast<KeyEvent*>(event);
    103     EXPECT_EQ(seq, consumeSeq);
    104     EXPECT_EQ(deviceId, keyEvent->getDeviceId());
    105     EXPECT_EQ(source, keyEvent->getSource());
    106     EXPECT_EQ(displayId, keyEvent->getDisplayId());
    107     EXPECT_EQ(action, keyEvent->getAction());
    108     EXPECT_EQ(flags, keyEvent->getFlags());
    109     EXPECT_EQ(keyCode, keyEvent->getKeyCode());
    110     EXPECT_EQ(scanCode, keyEvent->getScanCode());
    111     EXPECT_EQ(metaState, keyEvent->getMetaState());
    112     EXPECT_EQ(repeatCount, keyEvent->getRepeatCount());
    113     EXPECT_EQ(downTime, keyEvent->getDownTime());
    114     EXPECT_EQ(eventTime, keyEvent->getEventTime());
    115 
    116     status = mConsumer->sendFinishedSignal(seq, true);
    117     ASSERT_EQ(OK, status)
    118             << "consumer sendFinishedSignal should return OK";
    119 
    120     uint32_t finishedSeq = 0;
    121     bool handled = false;
    122     status = mPublisher->receiveFinishedSignal(&finishedSeq, &handled);
    123     ASSERT_EQ(OK, status)
    124             << "publisher receiveFinishedSignal should return OK";
    125     ASSERT_EQ(seq, finishedSeq)
    126             << "publisher receiveFinishedSignal should have returned the original sequence number";
    127     ASSERT_TRUE(handled)
    128             << "publisher receiveFinishedSignal should have set handled to consumer's reply";
    129 }
    130 
    131 void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent() {
    132     status_t status;
    133 
    134     constexpr uint32_t seq = 15;
    135     constexpr int32_t deviceId = 1;
    136     constexpr int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
    137     constexpr int32_t displayId = ADISPLAY_ID_DEFAULT;
    138     constexpr int32_t action = AMOTION_EVENT_ACTION_MOVE;
    139     constexpr int32_t actionButton = 0;
    140     constexpr int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
    141     constexpr int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
    142     constexpr int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
    143     constexpr int32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY;
    144     constexpr MotionClassification classification = MotionClassification::AMBIGUOUS_GESTURE;
    145     constexpr float xOffset = -10;
    146     constexpr float yOffset = -20;
    147     constexpr float xPrecision = 0.25;
    148     constexpr float yPrecision = 0.5;
    149     constexpr nsecs_t downTime = 3;
    150     constexpr size_t pointerCount = 3;
    151     constexpr nsecs_t eventTime = 4;
    152     PointerProperties pointerProperties[pointerCount];
    153     PointerCoords pointerCoords[pointerCount];
    154     for (size_t i = 0; i < pointerCount; i++) {
    155         pointerProperties[i].clear();
    156         pointerProperties[i].id = (i + 2) % pointerCount;
    157         pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
    158 
    159         pointerCoords[i].clear();
    160         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_X, 100 * i);
    161         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_Y, 200 * i);
    162         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 0.5 * i);
    163         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_SIZE, 0.7 * i);
    164         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 1.5 * i);
    165         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 1.7 * i);
    166         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.5 * i);
    167         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.7 * i);
    168         pointerCoords[i].setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 3.5 * i);
    169     }
    170 
    171     status = mPublisher->publishMotionEvent(seq, deviceId, source, displayId, action, actionButton,
    172             flags, edgeFlags, metaState, buttonState, classification,
    173             xOffset, yOffset, xPrecision, yPrecision, downTime, eventTime, pointerCount,
    174             pointerProperties, pointerCoords);
    175     ASSERT_EQ(OK, status)
    176             << "publisher publishMotionEvent should return OK";
    177 
    178     uint32_t consumeSeq;
    179     InputEvent* event;
    180     status = mConsumer->consume(&mEventFactory, true /*consumeBatches*/, -1, &consumeSeq, &event);
    181     ASSERT_EQ(OK, status)
    182             << "consumer consume should return OK";
    183 
    184     ASSERT_TRUE(event != nullptr)
    185             << "consumer should have returned non-NULL event";
    186     ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
    187             << "consumer should have returned a motion event";
    188 
    189     MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
    190     EXPECT_EQ(seq, consumeSeq);
    191     EXPECT_EQ(deviceId, motionEvent->getDeviceId());
    192     EXPECT_EQ(source, motionEvent->getSource());
    193     EXPECT_EQ(displayId, motionEvent->getDisplayId());
    194     EXPECT_EQ(action, motionEvent->getAction());
    195     EXPECT_EQ(flags, motionEvent->getFlags());
    196     EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
    197     EXPECT_EQ(metaState, motionEvent->getMetaState());
    198     EXPECT_EQ(buttonState, motionEvent->getButtonState());
    199     EXPECT_EQ(classification, motionEvent->getClassification());
    200     EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
    201     EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
    202     EXPECT_EQ(downTime, motionEvent->getDownTime());
    203     EXPECT_EQ(eventTime, motionEvent->getEventTime());
    204     EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
    205     EXPECT_EQ(0U, motionEvent->getHistorySize());
    206 
    207     for (size_t i = 0; i < pointerCount; i++) {
    208         SCOPED_TRACE(i);
    209         EXPECT_EQ(pointerProperties[i].id, motionEvent->getPointerId(i));
    210         EXPECT_EQ(pointerProperties[i].toolType, motionEvent->getToolType(i));
    211 
    212         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X),
    213                 motionEvent->getRawX(i));
    214         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y),
    215                 motionEvent->getRawY(i));
    216         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_X) + xOffset,
    217                 motionEvent->getX(i));
    218         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_Y) + yOffset,
    219                 motionEvent->getY(i));
    220         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
    221                 motionEvent->getPressure(i));
    222         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
    223                 motionEvent->getSize(i));
    224         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
    225                 motionEvent->getTouchMajor(i));
    226         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
    227                 motionEvent->getTouchMinor(i));
    228         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
    229                 motionEvent->getToolMajor(i));
    230         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
    231                 motionEvent->getToolMinor(i));
    232         EXPECT_EQ(pointerCoords[i].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
    233                 motionEvent->getOrientation(i));
    234     }
    235 
    236     status = mConsumer->sendFinishedSignal(seq, false);
    237     ASSERT_EQ(OK, status)
    238             << "consumer sendFinishedSignal should return OK";
    239 
    240     uint32_t finishedSeq = 0;
    241     bool handled = true;
    242     status = mPublisher->receiveFinishedSignal(&finishedSeq, &handled);
    243     ASSERT_EQ(OK, status)
    244             << "publisher receiveFinishedSignal should return OK";
    245     ASSERT_EQ(seq, finishedSeq)
    246             << "publisher receiveFinishedSignal should have returned the original sequence number";
    247     ASSERT_FALSE(handled)
    248             << "publisher receiveFinishedSignal should have set handled to consumer's reply";
    249 }
    250 
    251 TEST_F(InputPublisherAndConsumerTest, PublishKeyEvent_EndToEnd) {
    252     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
    253 }
    254 
    255 TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_EndToEnd) {
    256     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
    257 }
    258 
    259 TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenSequenceNumberIsZero_ReturnsError) {
    260     status_t status;
    261     const size_t pointerCount = 1;
    262     PointerProperties pointerProperties[pointerCount];
    263     PointerCoords pointerCoords[pointerCount];
    264     for (size_t i = 0; i < pointerCount; i++) {
    265         pointerProperties[i].clear();
    266         pointerCoords[i].clear();
    267     }
    268 
    269     status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    270             MotionClassification::NONE, 0, 0, 0, 0, 0, 0,
    271             pointerCount, pointerProperties, pointerCoords);
    272     ASSERT_EQ(BAD_VALUE, status)
    273             << "publisher publishMotionEvent should return BAD_VALUE";
    274 }
    275 
    276 TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenPointerCountLessThan1_ReturnsError) {
    277     status_t status;
    278     const size_t pointerCount = 0;
    279     PointerProperties pointerProperties[pointerCount];
    280     PointerCoords pointerCoords[pointerCount];
    281 
    282     status = mPublisher->publishMotionEvent(1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    283             MotionClassification::NONE, 0, 0, 0, 0, 0, 0,
    284             pointerCount, pointerProperties, pointerCoords);
    285     ASSERT_EQ(BAD_VALUE, status)
    286             << "publisher publishMotionEvent should return BAD_VALUE";
    287 }
    288 
    289 TEST_F(InputPublisherAndConsumerTest,
    290         PublishMotionEvent_WhenPointerCountGreaterThanMax_ReturnsError) {
    291     status_t status;
    292     const size_t pointerCount = MAX_POINTERS + 1;
    293     PointerProperties pointerProperties[pointerCount];
    294     PointerCoords pointerCoords[pointerCount];
    295     for (size_t i = 0; i < pointerCount; i++) {
    296         pointerProperties[i].clear();
    297         pointerCoords[i].clear();
    298     }
    299 
    300     status = mPublisher->publishMotionEvent(1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    301             MotionClassification::NONE, 0, 0, 0, 0, 0, 0,
    302             pointerCount, pointerProperties, pointerCoords);
    303     ASSERT_EQ(BAD_VALUE, status)
    304             << "publisher publishMotionEvent should return BAD_VALUE";
    305 }
    306 
    307 TEST_F(InputPublisherAndConsumerTest, PublishMultipleEvents_EndToEnd) {
    308     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
    309     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
    310     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
    311     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
    312     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
    313 }
    314 
    315 } // namespace android
    316