libs/ui/tests/InputPublisherAndConsumer_test.cpp - LeafOS-Project/android_frameworks_base - Gitiles

 /*
  * Copyright (C) 2010 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 <ui/InputTransport.h>
 #include <utils/Timers.h>
 #include <utils/StopWatch.h>
 #include <gtest/gtest.h>
 #include <unistd.h>
 #include <time.h>
 #include <sys/mman.h>
 #include <cutils/ashmem.h>

 #include "../../utils/tests/TestHelpers.h"

 namespace android {

 class InputPublisherAndConsumerTest : public testing::Test {
 protected:
     sp<InputChannel> serverChannel, clientChannel;
     InputPublisher* mPublisher;
     InputConsumer* mConsumer;
     PreallocatedInputEventFactory mEventFactory;

     virtual void SetUp() {
         status_t result = InputChannel::openInputChannelPair(String8("channel name"),
                 serverChannel, clientChannel);

         mPublisher = new InputPublisher(serverChannel);
         mConsumer = new InputConsumer(clientChannel);
     }

     virtual void TearDown() {
         if (mPublisher) {
             delete mPublisher;
             mPublisher = NULL;
         }

         if (mConsumer) {
             delete mConsumer;
             mConsumer = NULL;
         }

         serverChannel.clear();
         clientChannel.clear();
     }

     void Initialize();
     void PublishAndConsumeKeyEvent();
     void PublishAndConsumeMotionEvent(
             size_t samplesToAppendBeforeDispatch = 0,
             size_t samplesToAppendAfterDispatch = 0);
 };

 TEST_F(InputPublisherAndConsumerTest, GetChannel_ReturnsTheChannel) {
     EXPECT_EQ(serverChannel.get(), mPublisher->getChannel().get());
     EXPECT_EQ(clientChannel.get(), mConsumer->getChannel().get());
 }

 void InputPublisherAndConsumerTest::Initialize() {
     status_t status;

     status = mPublisher->initialize();
     ASSERT_EQ(OK, status)
             << "publisher initialize should return OK";

     status = mConsumer->initialize();
     ASSERT_EQ(OK, status)
             << "consumer initialize should return OK";
 }

 void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
     status_t status;

     const int32_t deviceId = 1;
     const int32_t source = AINPUT_SOURCE_KEYBOARD;
     const int32_t action = AKEY_EVENT_ACTION_DOWN;
     const int32_t flags = AKEY_EVENT_FLAG_FROM_SYSTEM;
     const int32_t keyCode = AKEYCODE_ENTER;
     const int32_t scanCode = 13;
     const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
     const int32_t repeatCount = 1;
     const nsecs_t downTime = 3;
     const nsecs_t eventTime = 4;

     status = mPublisher->publishKeyEvent(deviceId, source, action, flags,
             keyCode, scanCode, metaState, repeatCount, downTime, eventTime);
     ASSERT_EQ(OK, status)
             << "publisher publishKeyEvent should return OK";

     status = mPublisher->sendDispatchSignal();
     ASSERT_EQ(OK, status)
             << "publisher sendDispatchSignal should return OK";

     status = mConsumer->receiveDispatchSignal();
     ASSERT_EQ(OK, status)
             << "consumer receiveDispatchSignal should return OK";

     InputEvent* event;
     status = mConsumer->consume(& mEventFactory, & event);
     ASSERT_EQ(OK, status)
             << "consumer consume should return OK";

     ASSERT_TRUE(event != NULL)
             << "consumer should have returned non-NULL event";
     ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event->getType())
             << "consumer should have returned a key event";

     KeyEvent* keyEvent = static_cast<KeyEvent*>(event);
     EXPECT_EQ(deviceId, keyEvent->getDeviceId());
     EXPECT_EQ(source, keyEvent->getSource());
     EXPECT_EQ(action, keyEvent->getAction());
     EXPECT_EQ(flags, keyEvent->getFlags());
     EXPECT_EQ(keyCode, keyEvent->getKeyCode());
     EXPECT_EQ(scanCode, keyEvent->getScanCode());
     EXPECT_EQ(metaState, keyEvent->getMetaState());
     EXPECT_EQ(repeatCount, keyEvent->getRepeatCount());
     EXPECT_EQ(downTime, keyEvent->getDownTime());
     EXPECT_EQ(eventTime, keyEvent->getEventTime());

     status = mConsumer->sendFinishedSignal(true);
     ASSERT_EQ(OK, status)
             << "consumer sendFinishedSignal should return OK";

     bool handled = false;
     status = mPublisher->receiveFinishedSignal(&handled);
     ASSERT_EQ(OK, status)
             << "publisher receiveFinishedSignal should return OK";
     ASSERT_TRUE(handled)
             << "publisher receiveFinishedSignal should have set handled to consumer's reply";

     status = mPublisher->reset();
     ASSERT_EQ(OK, status)
             << "publisher reset should return OK";
 }

 void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent(
         size_t samplesToAppendBeforeDispatch, size_t samplesToAppendAfterDispatch) {
     status_t status;

     const int32_t deviceId = 1;
     const int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
     const int32_t action = AMOTION_EVENT_ACTION_MOVE;
     const int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
     const int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
     const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
     const int32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY;
     const float xOffset = -10;
     const float yOffset = -20;
     const float xPrecision = 0.25;
     const float yPrecision = 0.5;
     const nsecs_t downTime = 3;
     const size_t pointerCount = 3;
     PointerProperties pointerProperties[pointerCount];
     for (size_t i = 0; i < pointerCount; i++) {
         pointerProperties[i].clear();
         pointerProperties[i].id = (i + 2) % pointerCount;
         pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
     }

     Vector<nsecs_t> sampleEventTimes;
     Vector<PointerCoords> samplePointerCoords;

     for (size_t i = 0; i <= samplesToAppendAfterDispatch + samplesToAppendBeforeDispatch; i++) {
         sampleEventTimes.push(i + 10);
         for (size_t j = 0; j < pointerCount; j++) {
             samplePointerCoords.push();
             PointerCoords& pc = samplePointerCoords.editTop();
             pc.clear();
             pc.setAxisValue(AMOTION_EVENT_AXIS_X, 100 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_Y, 200 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 0.5 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_SIZE, 0.7 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 1.5 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 1.7 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.5 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.7 * i + j);
             pc.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 3.5 * i + j);
         }
     }

     status = mPublisher->publishMotionEvent(deviceId, source, action, flags, edgeFlags,
             metaState, buttonState, xOffset, yOffset, xPrecision, yPrecision,
             downTime, sampleEventTimes[0], pointerCount,
             pointerProperties, samplePointerCoords.array());
     ASSERT_EQ(OK, status)
             << "publisher publishMotionEvent should return OK";

     for (size_t i = 0; i < samplesToAppendBeforeDispatch; i++) {
         size_t sampleIndex = i + 1;
         status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
                 samplePointerCoords.array() + sampleIndex * pointerCount);
         ASSERT_EQ(OK, status)
                 << "publisher appendMotionEvent should return OK";
     }

     status = mPublisher->sendDispatchSignal();
     ASSERT_EQ(OK, status)
             << "publisher sendDispatchSignal should return OK";

     for (size_t i = 0; i < samplesToAppendAfterDispatch; i++) {
         size_t sampleIndex = i + 1 + samplesToAppendBeforeDispatch;
         status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
                 samplePointerCoords.array() + sampleIndex * pointerCount);
         ASSERT_EQ(OK, status)
                 << "publisher appendMotionEvent should return OK";
     }

     status = mConsumer->receiveDispatchSignal();
     ASSERT_EQ(OK, status)
             << "consumer receiveDispatchSignal should return OK";

     InputEvent* event;
     status = mConsumer->consume(& mEventFactory, & event);
     ASSERT_EQ(OK, status)
             << "consumer consume should return OK";

     ASSERT_TRUE(event != NULL)
             << "consumer should have returned non-NULL event";
     ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
             << "consumer should have returned a motion event";

     size_t lastSampleIndex = samplesToAppendBeforeDispatch + samplesToAppendAfterDispatch;

     MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
     EXPECT_EQ(deviceId, motionEvent->getDeviceId());
     EXPECT_EQ(source, motionEvent->getSource());
     EXPECT_EQ(action, motionEvent->getAction());
     EXPECT_EQ(flags, motionEvent->getFlags());
     EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
     EXPECT_EQ(metaState, motionEvent->getMetaState());
     EXPECT_EQ(buttonState, motionEvent->getButtonState());
     EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
     EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
     EXPECT_EQ(downTime, motionEvent->getDownTime());
     EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
     EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
     EXPECT_EQ(lastSampleIndex, motionEvent->getHistorySize());

     for (size_t i = 0; i < pointerCount; i++) {
         SCOPED_TRACE(i);
         EXPECT_EQ(pointerProperties[i].id, motionEvent->getPointerId(i));
         EXPECT_EQ(pointerProperties[i].toolType, motionEvent->getToolType(i));
     }

     for (size_t sampleIndex = 0; sampleIndex < lastSampleIndex; sampleIndex++) {
         SCOPED_TRACE(sampleIndex);
         EXPECT_EQ(sampleEventTimes[sampleIndex],
                 motionEvent->getHistoricalEventTime(sampleIndex));
         for (size_t i = 0; i < pointerCount; i++) {
             SCOPED_TRACE(i);
             size_t offset = sampleIndex * pointerCount + i;
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X),
                     motionEvent->getHistoricalRawX(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y),
                     motionEvent->getHistoricalRawY(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X) + xOffset,
                     motionEvent->getHistoricalX(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y) + yOffset,
                     motionEvent->getHistoricalY(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
                     motionEvent->getHistoricalPressure(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
                     motionEvent->getHistoricalSize(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
                     motionEvent->getHistoricalTouchMajor(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
                     motionEvent->getHistoricalTouchMinor(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
                     motionEvent->getHistoricalToolMajor(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
                     motionEvent->getHistoricalToolMinor(i, sampleIndex));
             EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
                     motionEvent->getHistoricalOrientation(i, sampleIndex));
         }
     }

     SCOPED_TRACE(lastSampleIndex);
     EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
     for (size_t i = 0; i < pointerCount; i++) {
         SCOPED_TRACE(i);
         size_t offset = lastSampleIndex * pointerCount + i;
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X),
                 motionEvent->getRawX(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y),
                 motionEvent->getRawY(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X) + xOffset,
                 motionEvent->getX(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y) + yOffset,
                 motionEvent->getY(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
                 motionEvent->getPressure(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
                 motionEvent->getSize(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
                 motionEvent->getTouchMajor(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
                 motionEvent->getTouchMinor(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
                 motionEvent->getToolMajor(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
                 motionEvent->getToolMinor(i));
         EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
                 motionEvent->getOrientation(i));
     }

     status = mConsumer->sendFinishedSignal(false);
     ASSERT_EQ(OK, status)
             << "consumer sendFinishedSignal should return OK";

     bool handled = true;
     status = mPublisher->receiveFinishedSignal(&handled);
     ASSERT_EQ(OK, status)
             << "publisher receiveFinishedSignal should return OK";
     ASSERT_FALSE(handled)
             << "publisher receiveFinishedSignal should have set handled to consumer's reply";

     status = mPublisher->reset();
     ASSERT_EQ(OK, status)
             << "publisher reset should return OK";
 }

 TEST_F(InputPublisherAndConsumerTest, PublishKeyEvent_EndToEnd) {
     ASSERT_NO_FATAL_FAILURE(Initialize());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
 }

 TEST_F(InputPublisherAndConsumerTest, PublishKeyEvent_WhenNotReset_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     status = mPublisher->publishKeyEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
     ASSERT_EQ(OK, status)
             << "publisher publishKeyEvent should return OK first time";

     status = mPublisher->publishKeyEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
     ASSERT_EQ(INVALID_OPERATION, status)
             << "publisher publishKeyEvent should return INVALID_OPERATION because "
                     "the publisher was not reset";
 }

 TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_EndToEnd) {
     ASSERT_NO_FATAL_FAILURE(Initialize());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
 }

 TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenNotReset_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     const size_t pointerCount = 1;
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];
     for (size_t i = 0; i < pointerCount; i++) {
         pointerProperties[i].clear();
         pointerCoords[i].clear();
     }

     status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(OK, status)
             << "publisher publishMotionEvent should return OK";

     status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(INVALID_OPERATION, status)
             << "publisher publishMotionEvent should return INVALID_OPERATION because ";
                     "the publisher was not reset";
 }

 TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenPointerCountLessThan1_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     const size_t pointerCount = 0;
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];

     status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
             << "publisher publishMotionEvent should return BAD_VALUE";
 }

 TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenPointerCountGreaterThanMax_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     const size_t pointerCount = MAX_POINTERS + 1;
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];
     for (size_t i = 0; i < pointerCount; i++) {
         pointerProperties[i].clear();
         pointerCoords[i].clear();
     }

     status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
             << "publisher publishMotionEvent should return BAD_VALUE";
 }

 TEST_F(InputPublisherAndConsumerTest, PublishMultipleEvents_EndToEnd) {
     ASSERT_NO_FATAL_FAILURE(Initialize());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
 }

 TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenCalledBeforeDispatchSignal_AppendsSamples) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent(3, 0));
 }

 TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenCalledAfterDispatchSignalAndNotConsumed_AppendsSamples) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());
     ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent(0, 4));
 }

 TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenNoMotionEventPublished_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     PointerCoords pointerCoords[1];
     status = mPublisher->appendMotionSample(0, pointerCoords);
     ASSERT_EQ(INVALID_OPERATION, status)
             << "publisher appendMotionSample should return INVALID_OPERATION";
 }

 TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenPublishedMotionEventIsNotAMove_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     const size_t pointerCount = MAX_POINTERS;
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];
     for (size_t i = 0; i < pointerCount; i++) {
         pointerProperties[i].clear();
         pointerCoords[i].clear();
     }

     status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_DOWN,
             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(OK, status);

     status = mPublisher->appendMotionSample(0, pointerCoords);
     ASSERT_EQ(INVALID_OPERATION, status)
             << "publisher appendMotionSample should return INVALID_OPERATION";
 }

 TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenAlreadyConsumed_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     const size_t pointerCount = MAX_POINTERS;
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];
     for (size_t i = 0; i < pointerCount; i++) {
         pointerProperties[i].clear();
         pointerCoords[i].clear();
     }

     status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(OK, status);

     status = mPublisher->sendDispatchSignal();
     ASSERT_EQ(OK, status);

     status = mConsumer->receiveDispatchSignal();
     ASSERT_EQ(OK, status);

     InputEvent* event;
     status = mConsumer->consume(& mEventFactory, & event);
     ASSERT_EQ(OK, status);

     status = mPublisher->appendMotionSample(0, pointerCoords);
     ASSERT_EQ(status_t(FAILED_TRANSACTION), status)
             << "publisher appendMotionSample should return FAILED_TRANSACTION";
 }

 TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenBufferFull_ReturnsError) {
     status_t status;
     ASSERT_NO_FATAL_FAILURE(Initialize());

     const size_t pointerCount = MAX_POINTERS;
     PointerProperties pointerProperties[pointerCount];
     PointerCoords pointerCoords[pointerCount];
     for (size_t i = 0; i < pointerCount; i++) {
         pointerProperties[i].clear();
         pointerCoords[i].clear();
     }

     status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
             0, 0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerProperties, pointerCoords);
     ASSERT_EQ(OK, status);

     for (int count = 1;; count++) {
         ASSERT_LT(count, 100000) << "should eventually reach OOM";

         status = mPublisher->appendMotionSample(0, pointerCoords);
         if (status != OK) {
             ASSERT_GT(count, 12) << "should be able to add at least a dozen samples";
             ASSERT_EQ(NO_MEMORY, status)
                     << "publisher appendMotionSample should return NO_MEMORY when buffer is full";
             break;
         }
     }

     status = mPublisher->appendMotionSample(0, pointerCoords);
     ASSERT_EQ(NO_MEMORY, status)
             << "publisher appendMotionSample should return NO_MEMORY persistently until reset";
 }

 } // namespace android
	/*
	* Copyright (C) 2010 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 <ui/InputTransport.h>
	#include <utils/Timers.h>
	#include <utils/StopWatch.h>
	#include <gtest/gtest.h>
	#include <unistd.h>
	#include <time.h>
	#include <sys/mman.h>
	#include <cutils/ashmem.h>

	#include "../../utils/tests/TestHelpers.h"

	namespace android {

	class InputPublisherAndConsumerTest : public testing::Test {
	protected:
	sp<InputChannel> serverChannel, clientChannel;
	InputPublisher* mPublisher;
	InputConsumer* mConsumer;
	PreallocatedInputEventFactory mEventFactory;

	virtual void SetUp() {
	status_t result = InputChannel::openInputChannelPair(String8("channel name"),
	serverChannel, clientChannel);

	mPublisher = new InputPublisher(serverChannel);
	mConsumer = new InputConsumer(clientChannel);
	}

	virtual void TearDown() {
	if (mPublisher) {
	delete mPublisher;
	mPublisher = NULL;
	}

	if (mConsumer) {
	delete mConsumer;
	mConsumer = NULL;
	}

	serverChannel.clear();
	clientChannel.clear();
	}

	void Initialize();
	void PublishAndConsumeKeyEvent();
	void PublishAndConsumeMotionEvent(
	size_t samplesToAppendBeforeDispatch = 0,
	size_t samplesToAppendAfterDispatch = 0);
	};

	TEST_F(InputPublisherAndConsumerTest, GetChannel_ReturnsTheChannel) {
	EXPECT_EQ(serverChannel.get(), mPublisher->getChannel().get());
	EXPECT_EQ(clientChannel.get(), mConsumer->getChannel().get());
	}

	void InputPublisherAndConsumerTest::Initialize() {
	status_t status;

	status = mPublisher->initialize();
	ASSERT_EQ(OK, status)
	<< "publisher initialize should return OK";

	status = mConsumer->initialize();
	ASSERT_EQ(OK, status)
	<< "consumer initialize should return OK";
	}

	void InputPublisherAndConsumerTest::PublishAndConsumeKeyEvent() {
	status_t status;

	const int32_t deviceId = 1;
	const int32_t source = AINPUT_SOURCE_KEYBOARD;
	const int32_t action = AKEY_EVENT_ACTION_DOWN;
	const int32_t flags = AKEY_EVENT_FLAG_FROM_SYSTEM;
	const int32_t keyCode = AKEYCODE_ENTER;
	const int32_t scanCode = 13;
	const int32_t metaState = AMETA_ALT_LEFT_ON \| AMETA_ALT_ON;
	const int32_t repeatCount = 1;
	const nsecs_t downTime = 3;
	const nsecs_t eventTime = 4;

	status = mPublisher->publishKeyEvent(deviceId, source, action, flags,
	keyCode, scanCode, metaState, repeatCount, downTime, eventTime);
	ASSERT_EQ(OK, status)
	<< "publisher publishKeyEvent should return OK";

	status = mPublisher->sendDispatchSignal();
	ASSERT_EQ(OK, status)
	<< "publisher sendDispatchSignal should return OK";

	status = mConsumer->receiveDispatchSignal();
	ASSERT_EQ(OK, status)
	<< "consumer receiveDispatchSignal should return OK";

	InputEvent* event;
	status = mConsumer->consume(& mEventFactory, & event);
	ASSERT_EQ(OK, status)
	<< "consumer consume should return OK";

	ASSERT_TRUE(event != NULL)
	<< "consumer should have returned non-NULL event";
	ASSERT_EQ(AINPUT_EVENT_TYPE_KEY, event->getType())
	<< "consumer should have returned a key event";

	KeyEvent* keyEvent = static_cast<KeyEvent*>(event);
	EXPECT_EQ(deviceId, keyEvent->getDeviceId());
	EXPECT_EQ(source, keyEvent->getSource());
	EXPECT_EQ(action, keyEvent->getAction());
	EXPECT_EQ(flags, keyEvent->getFlags());
	EXPECT_EQ(keyCode, keyEvent->getKeyCode());
	EXPECT_EQ(scanCode, keyEvent->getScanCode());
	EXPECT_EQ(metaState, keyEvent->getMetaState());
	EXPECT_EQ(repeatCount, keyEvent->getRepeatCount());
	EXPECT_EQ(downTime, keyEvent->getDownTime());
	EXPECT_EQ(eventTime, keyEvent->getEventTime());

	status = mConsumer->sendFinishedSignal(true);
	ASSERT_EQ(OK, status)
	<< "consumer sendFinishedSignal should return OK";

	bool handled = false;
	status = mPublisher->receiveFinishedSignal(&handled);
	ASSERT_EQ(OK, status)
	<< "publisher receiveFinishedSignal should return OK";
	ASSERT_TRUE(handled)
	<< "publisher receiveFinishedSignal should have set handled to consumer's reply";

	status = mPublisher->reset();
	ASSERT_EQ(OK, status)
	<< "publisher reset should return OK";
	}

	void InputPublisherAndConsumerTest::PublishAndConsumeMotionEvent(
	size_t samplesToAppendBeforeDispatch, size_t samplesToAppendAfterDispatch) {
	status_t status;

	const int32_t deviceId = 1;
	const int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
	const int32_t action = AMOTION_EVENT_ACTION_MOVE;
	const int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
	const int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
	const int32_t metaState = AMETA_ALT_LEFT_ON \| AMETA_ALT_ON;
	const int32_t buttonState = AMOTION_EVENT_BUTTON_PRIMARY;
	const float xOffset = -10;
	const float yOffset = -20;
	const float xPrecision = 0.25;
	const float yPrecision = 0.5;
	const nsecs_t downTime = 3;
	const size_t pointerCount = 3;
	PointerProperties pointerProperties[pointerCount];
	for (size_t i = 0; i < pointerCount; i++) {
	pointerProperties[i].clear();
	pointerProperties[i].id = (i + 2) % pointerCount;
	pointerProperties[i].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER;
	}

	Vector<nsecs_t> sampleEventTimes;
	Vector<PointerCoords> samplePointerCoords;

	for (size_t i = 0; i <= samplesToAppendAfterDispatch + samplesToAppendBeforeDispatch; i++) {
	sampleEventTimes.push(i + 10);
	for (size_t j = 0; j < pointerCount; j++) {
	samplePointerCoords.push();
	PointerCoords& pc = samplePointerCoords.editTop();
	pc.clear();
	pc.setAxisValue(AMOTION_EVENT_AXIS_X, 100 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_Y, 200 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 0.5 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_SIZE, 0.7 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, 1.5 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, 1.7 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.5 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, 2.7 * i + j);
	pc.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, 3.5 * i + j);
	}
	}

	status = mPublisher->publishMotionEvent(deviceId, source, action, flags, edgeFlags,
	metaState, buttonState, xOffset, yOffset, xPrecision, yPrecision,
	downTime, sampleEventTimes[0], pointerCount,
	pointerProperties, samplePointerCoords.array());
	ASSERT_EQ(OK, status)
	<< "publisher publishMotionEvent should return OK";

	for (size_t i = 0; i < samplesToAppendBeforeDispatch; i++) {
	size_t sampleIndex = i + 1;
	status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
	samplePointerCoords.array() + sampleIndex * pointerCount);
	ASSERT_EQ(OK, status)
	<< "publisher appendMotionEvent should return OK";
	}

	status = mPublisher->sendDispatchSignal();
	ASSERT_EQ(OK, status)
	<< "publisher sendDispatchSignal should return OK";

	for (size_t i = 0; i < samplesToAppendAfterDispatch; i++) {
	size_t sampleIndex = i + 1 + samplesToAppendBeforeDispatch;
	status = mPublisher->appendMotionSample(sampleEventTimes[sampleIndex],
	samplePointerCoords.array() + sampleIndex * pointerCount);
	ASSERT_EQ(OK, status)
	<< "publisher appendMotionEvent should return OK";
	}

	status = mConsumer->receiveDispatchSignal();
	ASSERT_EQ(OK, status)
	<< "consumer receiveDispatchSignal should return OK";

	InputEvent* event;
	status = mConsumer->consume(& mEventFactory, & event);
	ASSERT_EQ(OK, status)
	<< "consumer consume should return OK";

	ASSERT_TRUE(event != NULL)
	<< "consumer should have returned non-NULL event";
	ASSERT_EQ(AINPUT_EVENT_TYPE_MOTION, event->getType())
	<< "consumer should have returned a motion event";

	size_t lastSampleIndex = samplesToAppendBeforeDispatch + samplesToAppendAfterDispatch;

	MotionEvent* motionEvent = static_cast<MotionEvent*>(event);
	EXPECT_EQ(deviceId, motionEvent->getDeviceId());
	EXPECT_EQ(source, motionEvent->getSource());
	EXPECT_EQ(action, motionEvent->getAction());
	EXPECT_EQ(flags, motionEvent->getFlags());
	EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
	EXPECT_EQ(metaState, motionEvent->getMetaState());
	EXPECT_EQ(buttonState, motionEvent->getButtonState());
	EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
	EXPECT_EQ(yPrecision, motionEvent->getYPrecision());
	EXPECT_EQ(downTime, motionEvent->getDownTime());
	EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
	EXPECT_EQ(pointerCount, motionEvent->getPointerCount());
	EXPECT_EQ(lastSampleIndex, motionEvent->getHistorySize());

	for (size_t i = 0; i < pointerCount; i++) {
	SCOPED_TRACE(i);
	EXPECT_EQ(pointerProperties[i].id, motionEvent->getPointerId(i));
	EXPECT_EQ(pointerProperties[i].toolType, motionEvent->getToolType(i));
	}

	for (size_t sampleIndex = 0; sampleIndex < lastSampleIndex; sampleIndex++) {
	SCOPED_TRACE(sampleIndex);
	EXPECT_EQ(sampleEventTimes[sampleIndex],
	motionEvent->getHistoricalEventTime(sampleIndex));
	for (size_t i = 0; i < pointerCount; i++) {
	SCOPED_TRACE(i);
	size_t offset = sampleIndex * pointerCount + i;
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X),
	motionEvent->getHistoricalRawX(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y),
	motionEvent->getHistoricalRawY(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X) + xOffset,
	motionEvent->getHistoricalX(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y) + yOffset,
	motionEvent->getHistoricalY(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
	motionEvent->getHistoricalPressure(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
	motionEvent->getHistoricalSize(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
	motionEvent->getHistoricalTouchMajor(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
	motionEvent->getHistoricalTouchMinor(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
	motionEvent->getHistoricalToolMajor(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
	motionEvent->getHistoricalToolMinor(i, sampleIndex));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
	motionEvent->getHistoricalOrientation(i, sampleIndex));
	}
	}

	SCOPED_TRACE(lastSampleIndex);
	EXPECT_EQ(sampleEventTimes[lastSampleIndex], motionEvent->getEventTime());
	for (size_t i = 0; i < pointerCount; i++) {
	SCOPED_TRACE(i);
	size_t offset = lastSampleIndex * pointerCount + i;
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X),
	motionEvent->getRawX(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y),
	motionEvent->getRawY(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_X) + xOffset,
	motionEvent->getX(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_Y) + yOffset,
	motionEvent->getY(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_PRESSURE),
	motionEvent->getPressure(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_SIZE),
	motionEvent->getSize(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR),
	motionEvent->getTouchMajor(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR),
	motionEvent->getTouchMinor(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR),
	motionEvent->getToolMajor(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR),
	motionEvent->getToolMinor(i));
	EXPECT_EQ(samplePointerCoords[offset].getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION),
	motionEvent->getOrientation(i));
	}

	status = mConsumer->sendFinishedSignal(false);
	ASSERT_EQ(OK, status)
	<< "consumer sendFinishedSignal should return OK";

	bool handled = true;
	status = mPublisher->receiveFinishedSignal(&handled);
	ASSERT_EQ(OK, status)
	<< "publisher receiveFinishedSignal should return OK";
	ASSERT_FALSE(handled)
	<< "publisher receiveFinishedSignal should have set handled to consumer's reply";

	status = mPublisher->reset();
	ASSERT_EQ(OK, status)
	<< "publisher reset should return OK";
	}

	TEST_F(InputPublisherAndConsumerTest, PublishKeyEvent_EndToEnd) {
	ASSERT_NO_FATAL_FAILURE(Initialize());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
	}

	TEST_F(InputPublisherAndConsumerTest, PublishKeyEvent_WhenNotReset_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	status = mPublisher->publishKeyEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
	ASSERT_EQ(OK, status)
	<< "publisher publishKeyEvent should return OK first time";

	status = mPublisher->publishKeyEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
	ASSERT_EQ(INVALID_OPERATION, status)
	<< "publisher publishKeyEvent should return INVALID_OPERATION because "
	"the publisher was not reset";
	}

	TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_EndToEnd) {
	ASSERT_NO_FATAL_FAILURE(Initialize());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
	}

	TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenNotReset_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	const size_t pointerCount = 1;
	PointerProperties pointerProperties[pointerCount];
	PointerCoords pointerCoords[pointerCount];
	for (size_t i = 0; i < pointerCount; i++) {
	pointerProperties[i].clear();
	pointerCoords[i].clear();
	}

	status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	pointerCount, pointerProperties, pointerCoords);
	ASSERT_EQ(OK, status)
	<< "publisher publishMotionEvent should return OK";

	status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	pointerCount, pointerProperties, pointerCoords);
	ASSERT_EQ(INVALID_OPERATION, status)
	<< "publisher publishMotionEvent should return INVALID_OPERATION because ";
	"the publisher was not reset";
	}

	TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenPointerCountLessThan1_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	const size_t pointerCount = 0;
	PointerProperties pointerProperties[pointerCount];
	PointerCoords pointerCoords[pointerCount];

	status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	pointerCount, pointerProperties, pointerCoords);
	ASSERT_EQ(BAD_VALUE, status)
	<< "publisher publishMotionEvent should return BAD_VALUE";
	}

	TEST_F(InputPublisherAndConsumerTest, PublishMotionEvent_WhenPointerCountGreaterThanMax_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	const size_t pointerCount = MAX_POINTERS + 1;
	PointerProperties pointerProperties[pointerCount];
	PointerCoords pointerCoords[pointerCount];
	for (size_t i = 0; i < pointerCount; i++) {
	pointerProperties[i].clear();
	pointerCoords[i].clear();
	}

	status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	pointerCount, pointerProperties, pointerCoords);
	ASSERT_EQ(BAD_VALUE, status)
	<< "publisher publishMotionEvent should return BAD_VALUE";
	}

	TEST_F(InputPublisherAndConsumerTest, PublishMultipleEvents_EndToEnd) {
	ASSERT_NO_FATAL_FAILURE(Initialize());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeKeyEvent());
	}

	TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenCalledBeforeDispatchSignal_AppendsSamples) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent(3, 0));
	}

	TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenCalledAfterDispatchSignalAndNotConsumed_AppendsSamples) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());
	ASSERT_NO_FATAL_FAILURE(PublishAndConsumeMotionEvent(0, 4));
	}

	TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenNoMotionEventPublished_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	PointerCoords pointerCoords[1];
	status = mPublisher->appendMotionSample(0, pointerCoords);
	ASSERT_EQ(INVALID_OPERATION, status)
	<< "publisher appendMotionSample should return INVALID_OPERATION";
	}

	TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenPublishedMotionEventIsNotAMove_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	const size_t pointerCount = MAX_POINTERS;
	PointerProperties pointerProperties[pointerCount];
	PointerCoords pointerCoords[pointerCount];
	for (size_t i = 0; i < pointerCount; i++) {
	pointerProperties[i].clear();
	pointerCoords[i].clear();
	}

	status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_DOWN,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerProperties, pointerCoords);
	ASSERT_EQ(OK, status);

	status = mPublisher->appendMotionSample(0, pointerCoords);
	ASSERT_EQ(INVALID_OPERATION, status)
	<< "publisher appendMotionSample should return INVALID_OPERATION";
	}

	TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenAlreadyConsumed_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	const size_t pointerCount = MAX_POINTERS;
	PointerProperties pointerProperties[pointerCount];
	PointerCoords pointerCoords[pointerCount];
	for (size_t i = 0; i < pointerCount; i++) {
	pointerProperties[i].clear();
	pointerCoords[i].clear();
	}

	status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerProperties, pointerCoords);
	ASSERT_EQ(OK, status);

	status = mPublisher->sendDispatchSignal();
	ASSERT_EQ(OK, status);

	status = mConsumer->receiveDispatchSignal();
	ASSERT_EQ(OK, status);

	InputEvent* event;
	status = mConsumer->consume(& mEventFactory, & event);
	ASSERT_EQ(OK, status);

	status = mPublisher->appendMotionSample(0, pointerCoords);
	ASSERT_EQ(status_t(FAILED_TRANSACTION), status)
	<< "publisher appendMotionSample should return FAILED_TRANSACTION";
	}

	TEST_F(InputPublisherAndConsumerTest, AppendMotionSample_WhenBufferFull_ReturnsError) {
	status_t status;
	ASSERT_NO_FATAL_FAILURE(Initialize());

	const size_t pointerCount = MAX_POINTERS;
	PointerProperties pointerProperties[pointerCount];
	PointerCoords pointerCoords[pointerCount];
	for (size_t i = 0; i < pointerCount; i++) {
	pointerProperties[i].clear();
	pointerCoords[i].clear();
	}

	status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerProperties, pointerCoords);
	ASSERT_EQ(OK, status);

	for (int count = 1;; count++) {
	ASSERT_LT(count, 100000) << "should eventually reach OOM";

	status = mPublisher->appendMotionSample(0, pointerCoords);
	if (status != OK) {
	ASSERT_GT(count, 12) << "should be able to add at least a dozen samples";
	ASSERT_EQ(NO_MEMORY, status)
	<< "publisher appendMotionSample should return NO_MEMORY when buffer is full";
	break;
	}
	}

	status = mPublisher->appendMotionSample(0, pointerCoords);
	ASSERT_EQ(NO_MEMORY, status)
	<< "publisher appendMotionSample should return NO_MEMORY persistently until reset";
	}

	} // namespace android