diff --git a/include/ui/InputReader.h b/include/ui/InputReader.h
index 923cdbf..49351b0 100644
--- a/include/ui/InputReader.h
+++ b/include/ui/InputReader.h
@@ -170,11 +170,10 @@
  * and parameters maintained by the input reader.
  */
 class InputReaderContext {
-protected:
+public:
     InputReaderContext() { }
     virtual ~InputReaderContext() { }
 
-public:
     virtual void updateGlobalMetaState() = 0;
     virtual int32_t getGlobalMetaState() = 0;
 
@@ -193,7 +192,7 @@
  *     the input reader, the input reader never calls into other components while holding
  *     an exclusive internal lock whenever re-entrance can happen.
  */
-class InputReader : public InputReaderInterface, private InputReaderContext {
+class InputReader : public InputReaderInterface, protected InputReaderContext {
 public:
     InputReader(const sp<EventHubInterface>& eventHub,
             const sp<InputReaderPolicyInterface>& policy,
@@ -219,6 +218,11 @@
     virtual bool hasKeys(int32_t deviceId, uint32_t sourceMask,
             size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags);
 
+protected:
+    // These methods are protected virtual so they can be overridden and instrumented
+    // by test cases.
+    virtual InputDevice* createDevice(int32_t deviceId, const String8& name, uint32_t classes);
+
 private:
     sp<EventHubInterface> mEventHub;
     sp<InputReaderPolicyInterface> mPolicy;
@@ -244,12 +248,11 @@
 
     void addDevice(int32_t deviceId);
     void removeDevice(int32_t deviceId);
-    InputDevice* createDevice(int32_t deviceId, const String8& name, uint32_t classes);
     void configureExcludedDevices();
 
     void consumeEvent(const RawEvent* rawEvent);
 
-    void handleConfigurationChanged();
+    void handleConfigurationChanged(nsecs_t when);
 
     // state management for all devices
     Mutex mStateLock;
@@ -533,6 +536,21 @@
         int32_t toolMajor;
         int32_t toolMinor;
         int32_t orientation;
+
+        inline bool operator== (const PointerData& other) const {
+            return id == other.id
+                    && x == other.x
+                    && y == other.y
+                    && pressure == other.pressure
+                    && touchMajor == other.touchMajor
+                    && touchMinor == other.touchMinor
+                    && toolMajor == other.toolMajor
+                    && toolMinor == other.toolMinor
+                    && orientation == other.orientation;
+        }
+        inline bool operator!= (const PointerData& other) const {
+            return !(*this == other);
+        }
     };
 
     // Raw data for a collection of pointers including a pointer id mapping table.
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index 5c618fb..41daa9c 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -370,6 +370,7 @@
                 outEvent->deviceId = device->id;
             }
             outEvent->type = DEVICE_REMOVED;
+            outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC);
             delete device;
             mNeedToSendFinishedDeviceScan = true;
             return true;
@@ -386,6 +387,7 @@
                 outEvent->deviceId = device->id;
             }
             outEvent->type = DEVICE_ADDED;
+            outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC);
             mNeedToSendFinishedDeviceScan = true;
             return true;
         }
@@ -393,6 +395,7 @@
         if (mNeedToSendFinishedDeviceScan) {
             mNeedToSendFinishedDeviceScan = false;
             outEvent->type = FINISHED_DEVICE_SCAN;
+            outEvent->when = systemTime(SYSTEM_TIME_MONOTONIC);
             return true;
         }
 
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index 303075f..fef8148 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -124,12 +124,19 @@
                 pointerCount, MAX_POINTERS);
         return false;
     }
+    BitSet32 pointerIdBits;
     for (size_t i = 0; i < pointerCount; i++) {
-        if (pointerIds[i] < 0 || pointerIds[i] > MAX_POINTER_ID) {
+        int32_t id = pointerIds[i];
+        if (id < 0 || id > MAX_POINTER_ID) {
             LOGE("Motion event has invalid pointer id %d; value must be between 0 and %d",
-                    pointerIds[i], MAX_POINTER_ID);
+                    id, MAX_POINTER_ID);
             return false;
         }
+        if (pointerIdBits.hasBit(id)) {
+            LOGE("Motion event has duplicate pointer id %d", id);
+            return false;
+        }
+        pointerIdBits.markBit(id);
     }
     return true;
 }
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index ce0d880..d167439 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -234,7 +234,7 @@
         break;
 
     case EventHubInterface::FINISHED_DEVICE_SCAN:
-        handleConfigurationChanged();
+        handleConfigurationChanged(rawEvent->when);
         break;
 
     default:
@@ -372,7 +372,7 @@
     } // release device registry reader lock
 }
 
-void InputReader::handleConfigurationChanged() {
+void InputReader::handleConfigurationChanged(nsecs_t when) {
     // Reset global meta state because it depends on the list of all configured devices.
     updateGlobalMetaState();
 
@@ -380,7 +380,6 @@
     updateInputConfiguration();
 
     // Enqueue configuration changed.
-    nsecs_t when = systemTime(SYSTEM_TIME_MONOTONIC);
     mDispatcher->notifyConfigurationChanged(when);
 }
 
@@ -2094,7 +2093,7 @@
                 mLocked.currentVirtualKey.down = false;
 #if DEBUG_VIRTUAL_KEYS
                 LOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d",
-                        mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+                        mLocked.currentVirtualKey.keyCode, mLocked.currentVirtualKey.scanCode);
 #endif
                 keyEventAction = AKEY_EVENT_ACTION_UP;
                 keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY;
@@ -2119,13 +2118,22 @@
             mLocked.currentVirtualKey.down = false;
 #if DEBUG_VIRTUAL_KEYS
             LOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d",
-                    mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+                    mLocked.currentVirtualKey.keyCode, mLocked.currentVirtualKey.scanCode);
 #endif
             keyEventAction = AKEY_EVENT_ACTION_UP;
             keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
                     | AKEY_EVENT_FLAG_CANCELED;
-            touchResult = DROP_STROKE;
-            goto DispatchVirtualKey;
+
+            // Check whether the pointer moved inside the display area where we should
+            // start a new stroke.
+            int32_t x = mCurrentTouch.pointers[0].x;
+            int32_t y = mCurrentTouch.pointers[0].y;
+            if (isPointInsideSurfaceLocked(x, y)) {
+                mLastTouch.clear();
+                touchResult = DISPATCH_TOUCH;
+            } else {
+                touchResult = DROP_STROKE;
+            }
         } else {
             if (mCurrentTouch.pointerCount >= 1 && mLastTouch.pointerCount == 0) {
                 // Pointer just went down.  Handle off-screen touches, if needed.
@@ -2143,7 +2151,8 @@
                             mLocked.currentVirtualKey.scanCode = virtualKey->scanCode;
 #if DEBUG_VIRTUAL_KEYS
                             LOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d",
-                                    mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode);
+                                    mLocked.currentVirtualKey.keyCode,
+                                    mLocked.currentVirtualKey.scanCode);
 #endif
                             keyEventAction = AKEY_EVENT_ACTION_DOWN;
                             keyEventFlags = AKEY_EVENT_FLAG_FROM_SYSTEM
@@ -2190,14 +2199,35 @@
         dispatchTouch(when, policyFlags, & mCurrentTouch,
                 currentIdBits, -1, currentPointerCount, motionEventAction);
     } else {
-        // There may be pointers going up and pointers going down at the same time when pointer
-        // ids are reported by the device driver.
+        // There may be pointers going up and pointers going down and pointers moving
+        // all at the same time.
         BitSet32 upIdBits(lastIdBits.value & ~ currentIdBits.value);
         BitSet32 downIdBits(currentIdBits.value & ~ lastIdBits.value);
         BitSet32 activeIdBits(lastIdBits.value);
         uint32_t pointerCount = lastPointerCount;
 
-        while (! upIdBits.isEmpty()) {
+        // Produce an intermediate representation of the touch data that consists of the
+        // old location of pointers that have just gone up and the new location of pointers that
+        // have just moved but omits the location of pointers that have just gone down.
+        TouchData interimTouch;
+        interimTouch.copyFrom(mLastTouch);
+
+        BitSet32 moveIdBits(lastIdBits.value & currentIdBits.value);
+        bool moveNeeded = false;
+        while (!moveIdBits.isEmpty()) {
+            uint32_t moveId = moveIdBits.firstMarkedBit();
+            moveIdBits.clearBit(moveId);
+
+            int32_t oldIndex = mLastTouch.idToIndex[moveId];
+            int32_t newIndex = mCurrentTouch.idToIndex[moveId];
+            if (mLastTouch.pointers[oldIndex] != mCurrentTouch.pointers[newIndex]) {
+                interimTouch.pointers[oldIndex] = mCurrentTouch.pointers[newIndex];
+                moveNeeded = true;
+            }
+        }
+
+        // Dispatch pointer up events using the interim pointer locations.
+        while (!upIdBits.isEmpty()) {
             uint32_t upId = upIdBits.firstMarkedBit();
             upIdBits.clearBit(upId);
             BitSet32 oldActiveIdBits = activeIdBits;
@@ -2210,12 +2240,21 @@
                 motionEventAction = AMOTION_EVENT_ACTION_POINTER_UP;
             }
 
-            dispatchTouch(when, policyFlags, & mLastTouch,
+            dispatchTouch(when, policyFlags, &interimTouch,
                     oldActiveIdBits, upId, pointerCount, motionEventAction);
             pointerCount -= 1;
         }
 
-        while (! downIdBits.isEmpty()) {
+        // Dispatch move events if any of the remaining pointers moved from their old locations.
+        // Although applications receive new locations as part of individual pointer up
+        // events, they do not generally handle them except when presented in a move event.
+        if (moveNeeded) {
+            dispatchTouch(when, policyFlags, &mCurrentTouch,
+                    activeIdBits, -1, pointerCount, AMOTION_EVENT_ACTION_MOVE);
+        }
+
+        // Dispatch pointer down events using the new pointer locations.
+        while (!downIdBits.isEmpty()) {
             uint32_t downId = downIdBits.firstMarkedBit();
             downIdBits.clearBit(downId);
             BitSet32 oldActiveIdBits = activeIdBits;
@@ -2230,7 +2269,7 @@
             }
 
             pointerCount += 1;
-            dispatchTouch(when, policyFlags, & mCurrentTouch,
+            dispatchTouch(when, policyFlags, &mCurrentTouch,
                     activeIdBits, downId, pointerCount, motionEventAction);
         }
     }
@@ -3339,8 +3378,8 @@
 
         if (fields & Accumulator::FIELD_ABS_MT_PRESSURE) {
             if (inPointer.absMTPressure <= 0) {
-                // Some devices send sync packets with X / Y but with a 0 presure to indicate
-                // a pointer up.  Drop this finger.
+                // Some devices send sync packets with X / Y but with a 0 pressure to indicate
+                // a pointer going up.  Drop this finger.
                 continue;
             }
             outPointer.pressure = inPointer.absMTPressure;
diff --git a/libs/ui/tests/Android.mk b/libs/ui/tests/Android.mk
index 62f824f..aa017b9 100644
--- a/libs/ui/tests/Android.mk
+++ b/libs/ui/tests/Android.mk
@@ -7,6 +7,7 @@
 # Build the unit tests.
 test_src_files := \
     InputChannel_test.cpp \
+    InputReader_test.cpp \
     InputDispatcher_test.cpp \
     InputPublisherAndConsumer_test.cpp
 
diff --git a/libs/ui/tests/InputDispatcher_test.cpp b/libs/ui/tests/InputDispatcher_test.cpp
index 1dc6e46..8874dfe 100644
--- a/libs/ui/tests/InputDispatcher_test.cpp
+++ b/libs/ui/tests/InputDispatcher_test.cpp
@@ -4,15 +4,223 @@
 
 #include <ui/InputDispatcher.h>
 #include <gtest/gtest.h>
+#include <linux/input.h>
 
 namespace android {
 
-class InputDispatcherTest : public testing::Test {
+// An arbitrary time value.
+static const nsecs_t ARBITRARY_TIME = 1234;
+
+// An arbitrary device id.
+static const int32_t DEVICE_ID = 1;
+
+// An arbitrary injector pid / uid pair that has permission to inject events.
+static const int32_t INJECTOR_PID = 999;
+static const int32_t INJECTOR_UID = 1001;
+
+
+// --- FakeInputDispatcherPolicy ---
+
+class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface {
+protected:
+    virtual ~FakeInputDispatcherPolicy() {
+    }
+
 public:
+    FakeInputDispatcherPolicy() {
+    }
+
+private:
+    virtual void notifyConfigurationChanged(nsecs_t when) {
+    }
+
+    virtual nsecs_t notifyANR(const sp<InputApplicationHandle>& inputApplicationHandle,
+            const sp<InputChannel>& inputChannel) {
+        return 0;
+    }
+
+    virtual void notifyInputChannelBroken(const sp<InputChannel>& inputChannel) {
+    }
+
+    virtual nsecs_t getKeyRepeatTimeout() {
+        return 500 * 1000000LL;
+    }
+
+    virtual nsecs_t getKeyRepeatDelay() {
+        return 50 * 1000000LL;
+    }
+
+    virtual int32_t getMaxEventsPerSecond() {
+        return 60;
+    }
+
+    virtual void interceptKeyBeforeQueueing(nsecs_t when, int32_t deviceId,
+            int32_t action, int32_t& flags, int32_t keyCode, int32_t scanCode,
+            uint32_t& policyFlags) {
+    }
+
+    virtual void interceptGenericBeforeQueueing(nsecs_t when, uint32_t& policyFlags) {
+    }
+
+    virtual bool interceptKeyBeforeDispatching(const sp<InputChannel>& inputChannel,
+            const KeyEvent* keyEvent, uint32_t policyFlags) {
+        return false;
+    }
+
+    virtual void notifySwitch(nsecs_t when,
+            int32_t switchCode, int32_t switchValue, uint32_t policyFlags) {
+    }
+
+    virtual void pokeUserActivity(nsecs_t eventTime, int32_t eventType) {
+    }
+
+    virtual bool checkInjectEventsPermissionNonReentrant(
+            int32_t injectorPid, int32_t injectorUid) {
+        return false;
+    }
 };
 
-TEST_F(InputDispatcherTest, Dummy) {
-    // TODO
+
+// --- InputDispatcherTest ---
+
+class InputDispatcherTest : public testing::Test {
+protected:
+    sp<FakeInputDispatcherPolicy> mFakePolicy;
+    sp<InputDispatcher> mDispatcher;
+
+    virtual void SetUp() {
+        mFakePolicy = new FakeInputDispatcherPolicy();
+        mDispatcher = new InputDispatcher(mFakePolicy);
+    }
+
+    virtual void TearDown() {
+        mFakePolicy.clear();
+        mDispatcher.clear();
+    }
+};
+
+
+TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesKeyEvents) {
+    KeyEvent event;
+
+    // Rejects undefined key actions.
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD,
+            /*action*/ -1, 0,
+            AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject key events with undefined action.";
+
+    // Rejects ACTION_MULTIPLE since it is not supported despite being defined in the API.
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD,
+            AKEY_EVENT_ACTION_MULTIPLE, 0,
+            AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject key events with ACTION_MULTIPLE.";
+}
+
+TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesMotionEvents) {
+    MotionEvent event;
+    int32_t pointerIds[MAX_POINTERS + 1];
+    PointerCoords pointerCoords[MAX_POINTERS + 1];
+    for (int i = 0; i <= MAX_POINTERS; i++) {
+        pointerIds[i] = i;
+    }
+
+    // Rejects undefined motion actions.
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            /*action*/ -1, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with undefined action.";
+
+    // Rejects pointer down with invalid index.
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with pointer down index too large.";
+
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_POINTER_DOWN | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with pointer down index too small.";
+
+    // Rejects pointer up with invalid index.
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with pointer up index too large.";
+
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_POINTER_UP | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with pointer up index too small.";
+
+    // Rejects motion events with invalid number of pointers.
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 0, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with 0 pointers.";
+
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ MAX_POINTERS + 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with more than MAX_POINTERS pointers.";
+
+    // Rejects motion events with invalid pointer ids.
+    pointerIds[0] = -1;
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with pointer ids less than 0.";
+
+    pointerIds[0] = MAX_POINTER_ID + 1;
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 1, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with pointer ids greater than MAX_POINTER_ID.";
+
+    // Rejects motion events with duplicate pointer ids.
+    pointerIds[0] = 1;
+    pointerIds[1] = 1;
+    event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+            AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0,
+            ARBITRARY_TIME, ARBITRARY_TIME,
+            /*pointerCount*/ 2, pointerIds, pointerCoords);
+    ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent(&event,
+            INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0))
+            << "Should reject motion events with duplicate pointer ids.";
 }
 
 } // namespace android
diff --git a/libs/ui/tests/InputReader_test.cpp b/libs/ui/tests/InputReader_test.cpp
new file mode 100644
index 0000000..de4b05a
--- /dev/null
+++ b/libs/ui/tests/InputReader_test.cpp
@@ -0,0 +1,3368 @@
+//
+// Copyright 2010 The Android Open Source Project
+//
+
+#include <ui/InputReader.h>
+#include <utils/List.h>
+#include <gtest/gtest.h>
+#include <math.h>
+
+namespace android {
+
+// An arbitrary time value.
+static const nsecs_t ARBITRARY_TIME = 1234;
+
+// Arbitrary display properties.
+static const int32_t DISPLAY_ID = 0;
+static const int32_t DISPLAY_WIDTH = 480;
+static const int32_t DISPLAY_HEIGHT = 800;
+
+// Error tolerance for floating point assertions.
+static const float EPSILON = 0.001f;
+
+template<typename T>
+static inline T min(T a, T b) {
+    return a < b ? a : b;
+}
+
+static inline float avg(float x, float y) {
+    return (x + y) / 2;
+}
+
+
+// --- FakeInputReaderPolicy ---
+
+class FakeInputReaderPolicy : public InputReaderPolicyInterface {
+    struct DisplayInfo {
+        int32_t width;
+        int32_t height;
+        int32_t orientation;
+    };
+
+    KeyedVector<int32_t, DisplayInfo> mDisplayInfos;
+    bool mFilterTouchEvents;
+    bool mFilterJumpyTouchEvents;
+    KeyedVector<String8, Vector<VirtualKeyDefinition> > mVirtualKeyDefinitions;
+    KeyedVector<String8, InputDeviceCalibration> mInputDeviceCalibrations;
+    Vector<String8> mExcludedDeviceNames;
+
+protected:
+    virtual ~FakeInputReaderPolicy() { }
+
+public:
+    FakeInputReaderPolicy() :
+            mFilterTouchEvents(false), mFilterJumpyTouchEvents(false) {
+    }
+
+    void removeDisplayInfo(int32_t displayId) {
+        mDisplayInfos.removeItem(displayId);
+    }
+
+    void setDisplayInfo(int32_t displayId, int32_t width, int32_t height, int32_t orientation) {
+        removeDisplayInfo(displayId);
+
+        DisplayInfo info;
+        info.width = width;
+        info.height = height;
+        info.orientation = orientation;
+        mDisplayInfos.add(displayId, info);
+    }
+
+    void setFilterTouchEvents(bool enabled) {
+        mFilterTouchEvents = enabled;
+    }
+
+    void setFilterJumpyTouchEvents(bool enabled) {
+        mFilterJumpyTouchEvents = enabled;
+    }
+
+    void addInputDeviceCalibration(const String8& deviceName,
+            const InputDeviceCalibration& calibration) {
+        mInputDeviceCalibrations.add(deviceName, calibration);
+    }
+
+    void addInputDeviceCalibrationProperty(const String8& deviceName,
+            const String8& key, const String8& value) {
+        ssize_t index = mInputDeviceCalibrations.indexOfKey(deviceName);
+        if (index < 0) {
+            index = mInputDeviceCalibrations.add(deviceName, InputDeviceCalibration());
+        }
+        mInputDeviceCalibrations.editValueAt(index).addProperty(key, value);
+    }
+
+    void addVirtualKeyDefinition(const String8& deviceName,
+            const VirtualKeyDefinition& definition) {
+        if (mVirtualKeyDefinitions.indexOfKey(deviceName) < 0) {
+            mVirtualKeyDefinitions.add(deviceName, Vector<VirtualKeyDefinition>());
+        }
+
+        mVirtualKeyDefinitions.editValueFor(deviceName).push(definition);
+    }
+
+    void addExcludedDeviceName(const String8& deviceName) {
+        mExcludedDeviceNames.push(deviceName);
+    }
+
+private:
+    virtual bool getDisplayInfo(int32_t displayId,
+            int32_t* width, int32_t* height, int32_t* orientation) {
+        ssize_t index = mDisplayInfos.indexOfKey(displayId);
+        if (index >= 0) {
+            const DisplayInfo& info = mDisplayInfos.valueAt(index);
+            if (width) {
+                *width = info.width;
+            }
+            if (height) {
+                *height = info.height;
+            }
+            if (orientation) {
+                *orientation = info.orientation;
+            }
+            return true;
+        }
+        return false;
+    }
+
+    virtual bool filterTouchEvents() {
+        return mFilterTouchEvents;
+    }
+
+    virtual bool filterJumpyTouchEvents() {
+        return mFilterJumpyTouchEvents;
+    }
+
+    virtual void getVirtualKeyDefinitions(const String8& deviceName,
+            Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions) {
+        ssize_t index = mVirtualKeyDefinitions.indexOfKey(deviceName);
+        if (index >= 0) {
+            outVirtualKeyDefinitions.appendVector(mVirtualKeyDefinitions.valueAt(index));
+        }
+    }
+
+    virtual void getInputDeviceCalibration(const String8& deviceName,
+            InputDeviceCalibration& outCalibration) {
+        ssize_t index = mInputDeviceCalibrations.indexOfKey(deviceName);
+        if (index >= 0) {
+            outCalibration = mInputDeviceCalibrations.valueAt(index);
+        }
+    }
+
+    virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) {
+        outExcludedDeviceNames.appendVector(mExcludedDeviceNames);
+    }
+};
+
+
+// --- FakeInputDispatcher ---
+
+class FakeInputDispatcher : public InputDispatcherInterface {
+public:
+    struct NotifyConfigurationChangedArgs {
+        nsecs_t eventTime;
+    };
+
+    struct NotifyKeyArgs {
+        nsecs_t eventTime;
+        int32_t deviceId;
+        int32_t source;
+        uint32_t policyFlags;
+        int32_t action;
+        int32_t flags;
+        int32_t keyCode;
+        int32_t scanCode;
+        int32_t metaState;
+        nsecs_t downTime;
+    };
+
+    struct NotifyMotionArgs {
+        nsecs_t eventTime;
+        int32_t deviceId;
+        int32_t source;
+        uint32_t policyFlags;
+        int32_t action;
+        int32_t flags;
+        int32_t metaState;
+        int32_t edgeFlags;
+        uint32_t pointerCount;
+        Vector<int32_t> pointerIds;
+        Vector<PointerCoords> pointerCoords;
+        float xPrecision;
+        float yPrecision;
+        nsecs_t downTime;
+    };
+
+    struct NotifySwitchArgs {
+        nsecs_t when;
+        int32_t switchCode;
+        int32_t switchValue;
+        uint32_t policyFlags;
+    };
+
+private:
+    List<NotifyConfigurationChangedArgs> mNotifyConfigurationChangedArgs;
+    List<NotifyKeyArgs> mNotifyKeyArgs;
+    List<NotifyMotionArgs> mNotifyMotionArgs;
+    List<NotifySwitchArgs> mNotifySwitchArgs;
+
+protected:
+    virtual ~FakeInputDispatcher() { }
+
+public:
+    FakeInputDispatcher() {
+    }
+
+    void assertNotifyConfigurationChangedWasCalled(NotifyConfigurationChangedArgs* outArgs = NULL) {
+        ASSERT_FALSE(mNotifyConfigurationChangedArgs.empty())
+                << "Expected notifyConfigurationChanged() to have been called.";
+        if (outArgs) {
+            *outArgs = *mNotifyConfigurationChangedArgs.begin();
+        }
+        mNotifyConfigurationChangedArgs.erase(mNotifyConfigurationChangedArgs.begin());
+    }
+
+    void assertNotifyKeyWasCalled(NotifyKeyArgs* outArgs = NULL) {
+        ASSERT_FALSE(mNotifyKeyArgs.empty())
+                << "Expected notifyKey() to have been called.";
+        if (outArgs) {
+            *outArgs = *mNotifyKeyArgs.begin();
+        }
+        mNotifyKeyArgs.erase(mNotifyKeyArgs.begin());
+    }
+
+    void assertNotifyKeyWasNotCalled() {
+        ASSERT_TRUE(mNotifyKeyArgs.empty())
+                << "Expected notifyKey() to not have been called.";
+    }
+
+    void assertNotifyMotionWasCalled(NotifyMotionArgs* outArgs = NULL) {
+        ASSERT_FALSE(mNotifyMotionArgs.empty())
+                << "Expected notifyMotion() to have been called.";
+        if (outArgs) {
+            *outArgs = *mNotifyMotionArgs.begin();
+        }
+        mNotifyMotionArgs.erase(mNotifyMotionArgs.begin());
+    }
+
+    void assertNotifyMotionWasNotCalled() {
+        ASSERT_TRUE(mNotifyMotionArgs.empty())
+                << "Expected notifyMotion() to not have been called.";
+    }
+
+    void assertNotifySwitchWasCalled(NotifySwitchArgs* outArgs = NULL) {
+        ASSERT_FALSE(mNotifySwitchArgs.empty())
+                << "Expected notifySwitch() to have been called.";
+        if (outArgs) {
+            *outArgs = *mNotifySwitchArgs.begin();
+        }
+        mNotifySwitchArgs.erase(mNotifySwitchArgs.begin());
+    }
+
+private:
+    virtual void notifyConfigurationChanged(nsecs_t eventTime) {
+        NotifyConfigurationChangedArgs args;
+        args.eventTime = eventTime;
+        mNotifyConfigurationChangedArgs.push_back(args);
+    }
+
+    virtual void notifyKey(nsecs_t eventTime, int32_t deviceId, int32_t source,
+            uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
+            int32_t scanCode, int32_t metaState, nsecs_t downTime) {
+        NotifyKeyArgs args;
+        args.eventTime = eventTime;
+        args.deviceId = deviceId;
+        args.source = source;
+        args.policyFlags = policyFlags;
+        args.action = action;
+        args.flags = flags;
+        args.keyCode = keyCode;
+        args.scanCode = scanCode;
+        args.metaState = metaState;
+        args.downTime = downTime;
+        mNotifyKeyArgs.push_back(args);
+    }
+
+    virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
+            uint32_t policyFlags, int32_t action, int32_t flags,
+            int32_t metaState, int32_t edgeFlags,
+            uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
+            float xPrecision, float yPrecision, nsecs_t downTime) {
+        NotifyMotionArgs args;
+        args.eventTime = eventTime;
+        args.deviceId = deviceId;
+        args.source = source;
+        args.policyFlags = policyFlags;
+        args.action = action;
+        args.flags = flags;
+        args.metaState = metaState;
+        args.edgeFlags = edgeFlags;
+        args.pointerCount = pointerCount;
+        args.pointerIds.clear();
+        args.pointerIds.appendArray(pointerIds, pointerCount);
+        args.pointerCoords.clear();
+        args.pointerCoords.appendArray(pointerCoords, pointerCount);
+        args.xPrecision = xPrecision;
+        args.yPrecision = yPrecision;
+        args.downTime = downTime;
+        mNotifyMotionArgs.push_back(args);
+    }
+
+    virtual void notifySwitch(nsecs_t when,
+            int32_t switchCode, int32_t switchValue, uint32_t policyFlags) {
+        NotifySwitchArgs args;
+        args.when = when;
+        args.switchCode = switchCode;
+        args.switchValue = switchValue;
+        args.policyFlags = policyFlags;
+        mNotifySwitchArgs.push_back(args);
+    }
+
+    virtual void dump(String8& dump) {
+        ADD_FAILURE() << "Should never be called by input reader.";
+    }
+
+    virtual void dispatchOnce() {
+        ADD_FAILURE() << "Should never be called by input reader.";
+    }
+
+    virtual int32_t injectInputEvent(const InputEvent* event,
+            int32_t injectorPid, int32_t injectorUid, int32_t syncMode, int32_t timeoutMillis) {
+        ADD_FAILURE() << "Should never be called by input reader.";
+        return INPUT_EVENT_INJECTION_FAILED;
+    }
+
+    virtual void setInputWindows(const Vector<InputWindow>& inputWindows) {
+        ADD_FAILURE() << "Should never be called by input reader.";
+    }
+
+    virtual void setFocusedApplication(const InputApplication* inputApplication) {
+        ADD_FAILURE() << "Should never be called by input reader.";
+    }
+
+    virtual void setInputDispatchMode(bool enabled, bool frozen) {
+        ADD_FAILURE() << "Should never be called by input reader.";
+    }
+
+    virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor) {
+        ADD_FAILURE() << "Should never be called by input reader.";
+        return 0;
+    }
+
+    virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel) {
+        ADD_FAILURE() << "Should never be called by input reader.";
+        return 0;
+    }
+};
+
+
+// --- FakeEventHub ---
+
+class FakeEventHub : public EventHubInterface {
+    struct KeyInfo {
+        int32_t keyCode;
+        uint32_t flags;
+    };
+
+    struct Device {
+        String8 name;
+        uint32_t classes;
+        KeyedVector<int, RawAbsoluteAxisInfo> axes;
+        KeyedVector<int32_t, int32_t> keyCodeStates;
+        KeyedVector<int32_t, int32_t> scanCodeStates;
+        KeyedVector<int32_t, int32_t> switchStates;
+        KeyedVector<int32_t, KeyInfo> keys;
+
+        Device(const String8& name, uint32_t classes) :
+                name(name), classes(classes) {
+        }
+    };
+
+    KeyedVector<int32_t, Device*> mDevices;
+    Vector<String8> mExcludedDevices;
+    List<RawEvent> mEvents;
+
+protected:
+    virtual ~FakeEventHub() {
+        for (size_t i = 0; i < mDevices.size(); i++) {
+            delete mDevices.valueAt(i);
+        }
+    }
+
+public:
+    FakeEventHub() { }
+
+    void addDevice(int32_t deviceId, const String8& name, uint32_t classes) {
+        Device* device = new Device(name, classes);
+        mDevices.add(deviceId, device);
+
+        enqueueEvent(ARBITRARY_TIME, deviceId, EventHubInterface::DEVICE_ADDED, 0, 0, 0, 0);
+    }
+
+    void removeDevice(int32_t deviceId) {
+        delete mDevices.valueFor(deviceId);
+        mDevices.removeItem(deviceId);
+
+        enqueueEvent(ARBITRARY_TIME, deviceId, EventHubInterface::DEVICE_REMOVED, 0, 0, 0, 0);
+    }
+
+    void finishDeviceScan() {
+        enqueueEvent(ARBITRARY_TIME, 0, EventHubInterface::FINISHED_DEVICE_SCAN, 0, 0, 0, 0);
+    }
+
+    void addAxis(int32_t deviceId, int axis,
+            int32_t minValue, int32_t maxValue, int flat, int fuzz) {
+        Device* device = getDevice(deviceId);
+
+        RawAbsoluteAxisInfo info;
+        info.valid = true;
+        info.minValue = minValue;
+        info.maxValue = maxValue;
+        info.flat = flat;
+        info.fuzz = fuzz;
+        device->axes.add(axis, info);
+    }
+
+    void setKeyCodeState(int32_t deviceId, int32_t keyCode, int32_t state) {
+        Device* device = getDevice(deviceId);
+        device->keyCodeStates.replaceValueFor(keyCode, state);
+    }
+
+    void setScanCodeState(int32_t deviceId, int32_t scanCode, int32_t state) {
+        Device* device = getDevice(deviceId);
+        device->scanCodeStates.replaceValueFor(scanCode, state);
+    }
+
+    void setSwitchState(int32_t deviceId, int32_t switchCode, int32_t state) {
+        Device* device = getDevice(deviceId);
+        device->switchStates.replaceValueFor(switchCode, state);
+    }
+
+    void addKey(int32_t deviceId, int32_t scanCode, int32_t keyCode, uint32_t flags) {
+        Device* device = getDevice(deviceId);
+        KeyInfo info;
+        info.keyCode = keyCode;
+        info.flags = flags;
+        device->keys.add(scanCode, info);
+    }
+
+    Vector<String8>& getExcludedDevices() {
+        return mExcludedDevices;
+    }
+
+    void enqueueEvent(nsecs_t when, int32_t deviceId, int32_t type,
+            int32_t scanCode, int32_t keyCode, int32_t value, uint32_t flags) {
+        RawEvent event;
+        event.when = when;
+        event.deviceId = deviceId;
+        event.type = type;
+        event.scanCode = scanCode;
+        event.keyCode = keyCode;
+        event.value = value;
+        event.flags = flags;
+        mEvents.push_back(event);
+    }
+
+    void assertQueueIsEmpty() {
+        ASSERT_EQ(size_t(0), mEvents.size())
+                << "Expected the event queue to be empty (fully consumed).";
+    }
+
+private:
+    Device* getDevice(int32_t deviceId) const {
+        ssize_t index = mDevices.indexOfKey(deviceId);
+        return index >= 0 ? mDevices.valueAt(index) : NULL;
+    }
+
+    virtual uint32_t getDeviceClasses(int32_t deviceId) const {
+        Device* device = getDevice(deviceId);
+        return device ? device->classes : 0;
+    }
+
+    virtual String8 getDeviceName(int32_t deviceId) const {
+        Device* device = getDevice(deviceId);
+        return device ? device->name : String8("unknown");
+    }
+
+    virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
+            RawAbsoluteAxisInfo* outAxisInfo) const {
+        Device* device = getDevice(deviceId);
+        if (device) {
+            ssize_t index = device->axes.indexOfKey(axis);
+            if (index >= 0) {
+                *outAxisInfo = device->axes.valueAt(index);
+                return OK;
+            }
+        }
+        return -1;
+    }
+
+    virtual status_t scancodeToKeycode(int32_t deviceId, int scancode,
+            int32_t* outKeycode, uint32_t* outFlags) const {
+        Device* device = getDevice(deviceId);
+        if (device) {
+            ssize_t index = device->keys.indexOfKey(scancode);
+            if (index >= 0) {
+                if (outKeycode) {
+                    *outKeycode = device->keys.valueAt(index).keyCode;
+                }
+                if (outFlags) {
+                    *outFlags = device->keys.valueAt(index).flags;
+                }
+                return OK;
+            }
+        }
+        return NAME_NOT_FOUND;
+    }
+
+    virtual void addExcludedDevice(const char* deviceName) {
+        mExcludedDevices.add(String8(deviceName));
+    }
+
+    virtual bool getEvent(RawEvent* outEvent) {
+        if (mEvents.empty()) {
+            return false;
+        }
+
+        *outEvent = *mEvents.begin();
+        mEvents.erase(mEvents.begin());
+        return true;
+    }
+
+    virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const {
+        Device* device = getDevice(deviceId);
+        if (device) {
+            ssize_t index = device->scanCodeStates.indexOfKey(scanCode);
+            if (index >= 0) {
+                return device->scanCodeStates.valueAt(index);
+            }
+        }
+        return AKEY_STATE_UNKNOWN;
+    }
+
+    virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
+        Device* device = getDevice(deviceId);
+        if (device) {
+            ssize_t index = device->keyCodeStates.indexOfKey(keyCode);
+            if (index >= 0) {
+                return device->keyCodeStates.valueAt(index);
+            }
+        }
+        return AKEY_STATE_UNKNOWN;
+    }
+
+    virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const {
+        Device* device = getDevice(deviceId);
+        if (device) {
+            ssize_t index = device->switchStates.indexOfKey(sw);
+            if (index >= 0) {
+                return device->switchStates.valueAt(index);
+            }
+        }
+        return AKEY_STATE_UNKNOWN;
+    }
+
+    virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes,
+            uint8_t* outFlags) const {
+        bool result = false;
+        Device* device = getDevice(deviceId);
+        if (device) {
+            for (size_t i = 0; i < numCodes; i++) {
+                for (size_t j = 0; j < device->keys.size(); j++) {
+                    if (keyCodes[i] == device->keys.valueAt(j).keyCode) {
+                        outFlags[i] = 1;
+                        result = true;
+                    }
+                }
+            }
+        }
+        return result;
+    }
+
+    virtual void dump(String8& dump) {
+    }
+};
+
+
+// --- FakeInputReaderContext ---
+
+class FakeInputReaderContext : public InputReaderContext {
+    sp<EventHubInterface> mEventHub;
+    sp<InputReaderPolicyInterface> mPolicy;
+    sp<InputDispatcherInterface> mDispatcher;
+    int32_t mGlobalMetaState;
+    bool mUpdateGlobalMetaStateWasCalled;
+
+public:
+    FakeInputReaderContext(const sp<EventHubInterface>& eventHub,
+            const sp<InputReaderPolicyInterface>& policy,
+            const sp<InputDispatcherInterface>& dispatcher) :
+            mEventHub(eventHub), mPolicy(policy), mDispatcher(dispatcher),
+            mGlobalMetaState(0) {
+    }
+
+    virtual ~FakeInputReaderContext() { }
+
+    void assertUpdateGlobalMetaStateWasCalled() {
+        ASSERT_TRUE(mUpdateGlobalMetaStateWasCalled)
+                << "Expected updateGlobalMetaState() to have been called.";
+        mUpdateGlobalMetaStateWasCalled = false;
+    }
+
+    void setGlobalMetaState(int32_t state) {
+        mGlobalMetaState = state;
+    }
+
+private:
+    virtual void updateGlobalMetaState() {
+        mUpdateGlobalMetaStateWasCalled = true;
+    }
+
+    virtual int32_t getGlobalMetaState() {
+        return mGlobalMetaState;
+    }
+
+    virtual EventHubInterface* getEventHub() {
+        return mEventHub.get();
+    }
+
+    virtual InputReaderPolicyInterface* getPolicy() {
+        return mPolicy.get();
+    }
+
+    virtual InputDispatcherInterface* getDispatcher() {
+        return mDispatcher.get();
+    }
+};
+
+
+// --- FakeInputMapper ---
+
+class FakeInputMapper : public InputMapper {
+    uint32_t mSources;
+    int32_t mKeyboardType;
+    int32_t mMetaState;
+    KeyedVector<int32_t, int32_t> mKeyCodeStates;
+    KeyedVector<int32_t, int32_t> mScanCodeStates;
+    KeyedVector<int32_t, int32_t> mSwitchStates;
+    Vector<int32_t> mSupportedKeyCodes;
+    RawEvent mLastEvent;
+
+    bool mConfigureWasCalled;
+    bool mResetWasCalled;
+    bool mProcessWasCalled;
+
+public:
+    FakeInputMapper(InputDevice* device, uint32_t sources) :
+            InputMapper(device),
+            mSources(sources), mKeyboardType(AINPUT_KEYBOARD_TYPE_NONE),
+            mMetaState(0),
+            mConfigureWasCalled(false), mResetWasCalled(false), mProcessWasCalled(false) {
+    }
+
+    virtual ~FakeInputMapper() { }
+
+    void setKeyboardType(int32_t keyboardType) {
+        mKeyboardType = keyboardType;
+    }
+
+    void setMetaState(int32_t metaState) {
+        mMetaState = metaState;
+    }
+
+    void assertConfigureWasCalled() {
+        ASSERT_TRUE(mConfigureWasCalled)
+                << "Expected configure() to have been called.";
+        mConfigureWasCalled = false;
+    }
+
+    void assertResetWasCalled() {
+        ASSERT_TRUE(mResetWasCalled)
+                << "Expected reset() to have been called.";
+        mResetWasCalled = false;
+    }
+
+    void assertProcessWasCalled(RawEvent* outLastEvent = NULL) {
+        ASSERT_TRUE(mProcessWasCalled)
+                << "Expected process() to have been called.";
+        if (outLastEvent) {
+            *outLastEvent = mLastEvent;
+        }
+        mProcessWasCalled = false;
+    }
+
+    void setKeyCodeState(int32_t keyCode, int32_t state) {
+        mKeyCodeStates.replaceValueFor(keyCode, state);
+    }
+
+    void setScanCodeState(int32_t scanCode, int32_t state) {
+        mScanCodeStates.replaceValueFor(scanCode, state);
+    }
+
+    void setSwitchState(int32_t switchCode, int32_t state) {
+        mSwitchStates.replaceValueFor(switchCode, state);
+    }
+
+    void addSupportedKeyCode(int32_t keyCode) {
+        mSupportedKeyCodes.add(keyCode);
+    }
+
+private:
+    virtual uint32_t getSources() {
+        return mSources;
+    }
+
+    virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) {
+        InputMapper::populateDeviceInfo(deviceInfo);
+
+        if (mKeyboardType != AINPUT_KEYBOARD_TYPE_NONE) {
+            deviceInfo->setKeyboardType(mKeyboardType);
+        }
+    }
+
+    virtual void configure() {
+        mConfigureWasCalled = true;
+    }
+
+    virtual void reset() {
+        mResetWasCalled = true;
+    }
+
+    virtual void process(const RawEvent* rawEvent) {
+        mLastEvent = *rawEvent;
+        mProcessWasCalled = true;
+    }
+
+    virtual int32_t getKeyCodeState(uint32_t sourceMask, int32_t keyCode) {
+        ssize_t index = mKeyCodeStates.indexOfKey(keyCode);
+        return index >= 0 ? mKeyCodeStates.valueAt(index) : AKEY_STATE_UNKNOWN;
+    }
+
+    virtual int32_t getScanCodeState(uint32_t sourceMask, int32_t scanCode) {
+        ssize_t index = mScanCodeStates.indexOfKey(scanCode);
+        return index >= 0 ? mScanCodeStates.valueAt(index) : AKEY_STATE_UNKNOWN;
+    }
+
+    virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode) {
+        ssize_t index = mSwitchStates.indexOfKey(switchCode);
+        return index >= 0 ? mSwitchStates.valueAt(index) : AKEY_STATE_UNKNOWN;
+    }
+
+    virtual bool markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes,
+            const int32_t* keyCodes, uint8_t* outFlags) {
+        bool result = false;
+        for (size_t i = 0; i < numCodes; i++) {
+            for (size_t j = 0; j < mSupportedKeyCodes.size(); j++) {
+                if (keyCodes[i] == mSupportedKeyCodes[j]) {
+                    outFlags[i] = 1;
+                    result = true;
+                }
+            }
+        }
+        return result;
+    }
+
+    virtual int32_t getMetaState() {
+        return mMetaState;
+    }
+};
+
+
+// --- InstrumentedInputReader ---
+
+class InstrumentedInputReader : public InputReader {
+    InputDevice* mNextDevice;
+
+public:
+    InstrumentedInputReader(const sp<EventHubInterface>& eventHub,
+            const sp<InputReaderPolicyInterface>& policy,
+            const sp<InputDispatcherInterface>& dispatcher) :
+            InputReader(eventHub, policy, dispatcher) {
+    }
+
+    virtual ~InstrumentedInputReader() {
+        if (mNextDevice) {
+            delete mNextDevice;
+        }
+    }
+
+    void setNextDevice(InputDevice* device) {
+        mNextDevice = device;
+    }
+
+protected:
+    virtual InputDevice* createDevice(int32_t deviceId, const String8& name, uint32_t classes) {
+        if (mNextDevice) {
+            InputDevice* device = mNextDevice;
+            mNextDevice = NULL;
+            return device;
+        }
+        return InputReader::createDevice(deviceId, name, classes);
+    }
+
+    friend class InputReaderTest;
+};
+
+
+// --- InputReaderTest ---
+
+class InputReaderTest : public testing::Test {
+protected:
+    sp<FakeInputDispatcher> mFakeDispatcher;
+    sp<FakeInputReaderPolicy> mFakePolicy;
+    sp<FakeEventHub> mFakeEventHub;
+    sp<InstrumentedInputReader> mReader;
+
+    virtual void SetUp() {
+        mFakeEventHub = new FakeEventHub();
+        mFakePolicy = new FakeInputReaderPolicy();
+        mFakeDispatcher = new FakeInputDispatcher();
+
+        mReader = new InstrumentedInputReader(mFakeEventHub, mFakePolicy, mFakeDispatcher);
+    }
+
+    virtual void TearDown() {
+        mReader.clear();
+
+        mFakeDispatcher.clear();
+        mFakePolicy.clear();
+        mFakeEventHub.clear();
+    }
+
+    void addDevice(int32_t deviceId, const String8& name, uint32_t classes) {
+        mFakeEventHub->addDevice(deviceId, name, classes);
+        mFakeEventHub->finishDeviceScan();
+        mReader->loopOnce();
+        mReader->loopOnce();
+        mFakeEventHub->assertQueueIsEmpty();
+    }
+
+    FakeInputMapper* addDeviceWithFakeInputMapper(int32_t deviceId,
+            const String8& name, uint32_t classes, uint32_t sources) {
+        InputDevice* device = new InputDevice(mReader.get(), deviceId, name);
+        FakeInputMapper* mapper = new FakeInputMapper(device, sources);
+        device->addMapper(mapper);
+        mReader->setNextDevice(device);
+        addDevice(deviceId, name, classes);
+        return mapper;
+    }
+};
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenNoDevices_ReturnsDefaults) {
+    InputConfiguration config;
+    mReader->getInputConfiguration(&config);
+
+    ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+    ASSERT_EQ(InputConfiguration::NAVIGATION_NONAV, config.navigation);
+    ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenAlphabeticKeyboardPresent_ReturnsQwertyKeyboard) {
+    ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("keyboard"),
+            INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_ALPHAKEY));
+
+    InputConfiguration config;
+    mReader->getInputConfiguration(&config);
+
+    ASSERT_EQ(InputConfiguration::KEYBOARD_QWERTY, config.keyboard);
+    ASSERT_EQ(InputConfiguration::NAVIGATION_NONAV, config.navigation);
+    ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenTouchScreenPresent_ReturnsFingerTouchScreen) {
+    ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("touchscreen"),
+            INPUT_DEVICE_CLASS_TOUCHSCREEN));
+
+    InputConfiguration config;
+    mReader->getInputConfiguration(&config);
+
+    ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+    ASSERT_EQ(InputConfiguration::NAVIGATION_NONAV, config.navigation);
+    ASSERT_EQ(InputConfiguration::TOUCHSCREEN_FINGER, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenTrackballPresent_ReturnsTrackballNavigation) {
+    ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("trackball"),
+            INPUT_DEVICE_CLASS_TRACKBALL));
+
+    InputConfiguration config;
+    mReader->getInputConfiguration(&config);
+
+    ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+    ASSERT_EQ(InputConfiguration::NAVIGATION_TRACKBALL, config.navigation);
+    ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputConfiguration_WhenDPadPresent_ReturnsDPadNavigation) {
+    ASSERT_NO_FATAL_FAILURE(addDevice(0, String8("dpad"),
+            INPUT_DEVICE_CLASS_DPAD));
+
+    InputConfiguration config;
+    mReader->getInputConfiguration(&config);
+
+    ASSERT_EQ(InputConfiguration::KEYBOARD_NOKEYS, config.keyboard);
+    ASSERT_EQ(InputConfiguration::NAVIGATION_DPAD, config.navigation);
+    ASSERT_EQ(InputConfiguration::TOUCHSCREEN_NOTOUCH, config.touchScreen);
+}
+
+TEST_F(InputReaderTest, GetInputDeviceInfo_WhenDeviceIdIsValid) {
+    ASSERT_NO_FATAL_FAILURE(addDevice(1, String8("keyboard"),
+            INPUT_DEVICE_CLASS_KEYBOARD));
+
+    InputDeviceInfo info;
+    status_t result = mReader->getInputDeviceInfo(1, &info);
+
+    ASSERT_EQ(OK, result);
+    ASSERT_EQ(1, info.getId());
+    ASSERT_STREQ("keyboard", info.getName().string());
+    ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NON_ALPHABETIC, info.getKeyboardType());
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, info.getSources());
+    ASSERT_EQ(size_t(0), info.getMotionRanges().size());
+}
+
+TEST_F(InputReaderTest, GetInputDeviceInfo_WhenDeviceIdIsInvalid) {
+    InputDeviceInfo info;
+    status_t result = mReader->getInputDeviceInfo(-1, &info);
+
+    ASSERT_EQ(NAME_NOT_FOUND, result);
+}
+
+TEST_F(InputReaderTest, GetInputDeviceInfo_WhenDeviceIdIsIgnored) {
+    addDevice(1, String8("ignored"), 0); // no classes so device will be ignored
+
+    InputDeviceInfo info;
+    status_t result = mReader->getInputDeviceInfo(1, &info);
+
+    ASSERT_EQ(NAME_NOT_FOUND, result);
+}
+
+TEST_F(InputReaderTest, GetInputDeviceIds) {
+    ASSERT_NO_FATAL_FAILURE(addDevice(1, String8("keyboard"),
+            INPUT_DEVICE_CLASS_KEYBOARD | INPUT_DEVICE_CLASS_ALPHAKEY));
+    ASSERT_NO_FATAL_FAILURE(addDevice(2, String8("trackball"),
+            INPUT_DEVICE_CLASS_TRACKBALL));
+
+    Vector<int32_t> ids;
+    mReader->getInputDeviceIds(ids);
+
+    ASSERT_EQ(size_t(2), ids.size());
+    ASSERT_EQ(1, ids[0]);
+    ASSERT_EQ(2, ids[1]);
+}
+
+TEST_F(InputReaderTest, GetKeyCodeState_ForwardsRequestsToMappers) {
+    FakeInputMapper* mapper = NULL;
+    ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+            INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD));
+    mapper->setKeyCodeState(AKEYCODE_A, AKEY_STATE_DOWN);
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getKeyCodeState(0,
+            AINPUT_SOURCE_ANY, AKEYCODE_A))
+            << "Should return unknown when the device id is >= 0 but unknown.";
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getKeyCodeState(1,
+            AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+            << "Should return unknown when the device id is valid but the sources are not supported by the device.";
+
+    ASSERT_EQ(AKEY_STATE_DOWN, mReader->getKeyCodeState(1,
+            AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+            << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getKeyCodeState(-1,
+            AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+            << "Should return unknown when the device id is < 0 but the sources are not supported by any device.";
+
+    ASSERT_EQ(AKEY_STATE_DOWN, mReader->getKeyCodeState(-1,
+            AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+            << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+}
+
+TEST_F(InputReaderTest, GetScanCodeState_ForwardsRequestsToMappers) {
+    FakeInputMapper* mapper = NULL;
+    ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+            INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD));
+    mapper->setScanCodeState(KEY_A, AKEY_STATE_DOWN);
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getScanCodeState(0,
+            AINPUT_SOURCE_ANY, KEY_A))
+            << "Should return unknown when the device id is >= 0 but unknown.";
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getScanCodeState(1,
+            AINPUT_SOURCE_TRACKBALL, KEY_A))
+            << "Should return unknown when the device id is valid but the sources are not supported by the device.";
+
+    ASSERT_EQ(AKEY_STATE_DOWN, mReader->getScanCodeState(1,
+            AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, KEY_A))
+            << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getScanCodeState(-1,
+            AINPUT_SOURCE_TRACKBALL, KEY_A))
+            << "Should return unknown when the device id is < 0 but the sources are not supported by any device.";
+
+    ASSERT_EQ(AKEY_STATE_DOWN, mReader->getScanCodeState(-1,
+            AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, KEY_A))
+            << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+}
+
+TEST_F(InputReaderTest, GetSwitchState_ForwardsRequestsToMappers) {
+    FakeInputMapper* mapper = NULL;
+    ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+            INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD));
+    mapper->setSwitchState(SW_LID, AKEY_STATE_DOWN);
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getSwitchState(0,
+            AINPUT_SOURCE_ANY, SW_LID))
+            << "Should return unknown when the device id is >= 0 but unknown.";
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getSwitchState(1,
+            AINPUT_SOURCE_TRACKBALL, SW_LID))
+            << "Should return unknown when the device id is valid but the sources are not supported by the device.";
+
+    ASSERT_EQ(AKEY_STATE_DOWN, mReader->getSwitchState(1,
+            AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, SW_LID))
+            << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mReader->getSwitchState(-1,
+            AINPUT_SOURCE_TRACKBALL, SW_LID))
+            << "Should return unknown when the device id is < 0 but the sources are not supported by any device.";
+
+    ASSERT_EQ(AKEY_STATE_DOWN, mReader->getSwitchState(-1,
+            AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, SW_LID))
+            << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+}
+
+TEST_F(InputReaderTest, MarkSupportedKeyCodes_ForwardsRequestsToMappers) {
+    FakeInputMapper* mapper = NULL;
+    ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+            INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD));
+    mapper->addSupportedKeyCode(AKEYCODE_A);
+    mapper->addSupportedKeyCode(AKEYCODE_B);
+
+    const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+    uint8_t flags[4] = { 0, 0, 0, 1 };
+
+    ASSERT_FALSE(mReader->hasKeys(0, AINPUT_SOURCE_ANY, 4, keyCodes, flags))
+            << "Should return false when device id is >= 0 but unknown.";
+    ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
+
+    flags[3] = 1;
+    ASSERT_FALSE(mReader->hasKeys(1, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+            << "Should return false when device id is valid but the sources are not supported by the device.";
+    ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
+
+    flags[3] = 1;
+    ASSERT_TRUE(mReader->hasKeys(1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+            << "Should return value provided by mapper when device id is valid and the device supports some of the sources.";
+    ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
+
+    flags[3] = 1;
+    ASSERT_FALSE(mReader->hasKeys(-1, AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+            << "Should return false when the device id is < 0 but the sources are not supported by any device.";
+    ASSERT_TRUE(!flags[0] && !flags[1] && !flags[2] && !flags[3]);
+
+    flags[3] = 1;
+    ASSERT_TRUE(mReader->hasKeys(-1, AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+            << "Should return value provided by mapper when device id is < 0 and one of the devices supports some of the sources.";
+    ASSERT_TRUE(flags[0] && flags[1] && !flags[2] && !flags[3]);
+}
+
+TEST_F(InputReaderTest, LoopOnce_WhenDeviceScanFinished_SendsConfigurationChanged) {
+    addDevice(1, String8("ignored"), INPUT_DEVICE_CLASS_KEYBOARD);
+
+    FakeInputDispatcher::NotifyConfigurationChangedArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyConfigurationChangedWasCalled(&args));
+    ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+}
+
+TEST_F(InputReaderTest, LoopOnce_ForwardsRawEventsToMappers) {
+    FakeInputMapper* mapper = NULL;
+    ASSERT_NO_FATAL_FAILURE(mapper = addDeviceWithFakeInputMapper(1, String8("fake"),
+            INPUT_DEVICE_CLASS_KEYBOARD, AINPUT_SOURCE_KEYBOARD));
+
+    mFakeEventHub->enqueueEvent(0, 1, EV_KEY, KEY_A, AKEYCODE_A, 1, POLICY_FLAG_WAKE);
+    mReader->loopOnce();
+    ASSERT_NO_FATAL_FAILURE(mFakeEventHub->assertQueueIsEmpty());
+
+    RawEvent event;
+    ASSERT_NO_FATAL_FAILURE(mapper->assertProcessWasCalled(&event));
+    ASSERT_EQ(0, event.when);
+    ASSERT_EQ(1, event.deviceId);
+    ASSERT_EQ(EV_KEY, event.type);
+    ASSERT_EQ(KEY_A, event.scanCode);
+    ASSERT_EQ(AKEYCODE_A, event.keyCode);
+    ASSERT_EQ(1, event.value);
+    ASSERT_EQ(POLICY_FLAG_WAKE, event.flags);
+}
+
+
+// --- InputDeviceTest ---
+
+class InputDeviceTest : public testing::Test {
+protected:
+    static const char* DEVICE_NAME;
+    static const int32_t DEVICE_ID;
+
+    sp<FakeEventHub> mFakeEventHub;
+    sp<FakeInputReaderPolicy> mFakePolicy;
+    sp<FakeInputDispatcher> mFakeDispatcher;
+    FakeInputReaderContext* mFakeContext;
+
+    InputDevice* mDevice;
+
+    virtual void SetUp() {
+        mFakeEventHub = new FakeEventHub();
+        mFakePolicy = new FakeInputReaderPolicy();
+        mFakeDispatcher = new FakeInputDispatcher();
+        mFakeContext = new FakeInputReaderContext(mFakeEventHub, mFakePolicy, mFakeDispatcher);
+
+        mDevice = new InputDevice(mFakeContext, DEVICE_ID, String8(DEVICE_NAME));
+    }
+
+    virtual void TearDown() {
+        delete mDevice;
+
+        delete mFakeContext;
+        mFakeDispatcher.clear();
+        mFakePolicy.clear();
+        mFakeEventHub.clear();
+    }
+};
+
+const char* InputDeviceTest::DEVICE_NAME = "device";
+const int32_t InputDeviceTest::DEVICE_ID = 1;
+
+TEST_F(InputDeviceTest, ImmutableProperties) {
+    ASSERT_EQ(DEVICE_ID, mDevice->getId());
+    ASSERT_STREQ(DEVICE_NAME, mDevice->getName());
+}
+
+TEST_F(InputDeviceTest, WhenNoMappersAreRegistered_DeviceIsIgnored) {
+    // Configuration.
+    mDevice->configure();
+
+    // Metadata.
+    ASSERT_TRUE(mDevice->isIgnored());
+    ASSERT_EQ(AINPUT_SOURCE_UNKNOWN, mDevice->getSources());
+
+    InputDeviceInfo info;
+    mDevice->getDeviceInfo(&info);
+    ASSERT_EQ(DEVICE_ID, info.getId());
+    ASSERT_STREQ(DEVICE_NAME, info.getName().string());
+    ASSERT_EQ(AINPUT_KEYBOARD_TYPE_NONE, info.getKeyboardType());
+    ASSERT_EQ(AINPUT_SOURCE_UNKNOWN, info.getSources());
+
+    // State queries.
+    ASSERT_EQ(0, mDevice->getMetaState());
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getKeyCodeState(AINPUT_SOURCE_KEYBOARD, 0))
+            << "Ignored device should return unknown key code state.";
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getScanCodeState(AINPUT_SOURCE_KEYBOARD, 0))
+            << "Ignored device should return unknown scan code state.";
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 0))
+            << "Ignored device should return unknown switch state.";
+
+    const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
+    uint8_t flags[2] = { 0, 1 };
+    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 2, keyCodes, flags))
+            << "Ignored device should never mark any key codes.";
+    ASSERT_EQ(0, flags[0]) << "Flag for unsupported key should be unchanged.";
+    ASSERT_EQ(1, flags[1]) << "Flag for unsupported key should be unchanged.";
+
+    // Reset.
+    mDevice->reset();
+}
+
+TEST_F(InputDeviceTest, WhenMappersAreRegistered_DeviceIsNotIgnoredAndForwardsRequestsToMappers) {
+    // Configuration.
+    InputDeviceCalibration calibration;
+    calibration.addProperty(String8("key"), String8("value"));
+    mFakePolicy->addInputDeviceCalibration(String8(DEVICE_NAME), calibration);
+
+    FakeInputMapper* mapper1 = new FakeInputMapper(mDevice, AINPUT_SOURCE_KEYBOARD);
+    mapper1->setKeyboardType(AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    mapper1->setMetaState(AMETA_ALT_ON);
+    mapper1->addSupportedKeyCode(AKEYCODE_A);
+    mapper1->addSupportedKeyCode(AKEYCODE_B);
+    mapper1->setKeyCodeState(AKEYCODE_A, AKEY_STATE_DOWN);
+    mapper1->setKeyCodeState(AKEYCODE_B, AKEY_STATE_UP);
+    mapper1->setScanCodeState(2, AKEY_STATE_DOWN);
+    mapper1->setScanCodeState(3, AKEY_STATE_UP);
+    mapper1->setSwitchState(4, AKEY_STATE_DOWN);
+    mDevice->addMapper(mapper1);
+
+    FakeInputMapper* mapper2 = new FakeInputMapper(mDevice, AINPUT_SOURCE_TOUCHSCREEN);
+    mapper2->setMetaState(AMETA_SHIFT_ON);
+    mDevice->addMapper(mapper2);
+
+    mDevice->configure();
+
+    String8 propertyValue;
+    ASSERT_TRUE(mDevice->getCalibration().tryGetProperty(String8("key"), propertyValue))
+            << "Device should have read calibration during configuration phase.";
+    ASSERT_STREQ("value", propertyValue.string());
+
+    ASSERT_NO_FATAL_FAILURE(mapper1->assertConfigureWasCalled());
+    ASSERT_NO_FATAL_FAILURE(mapper2->assertConfigureWasCalled());
+
+    // Metadata.
+    ASSERT_FALSE(mDevice->isIgnored());
+    ASSERT_EQ(uint32_t(AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TOUCHSCREEN), mDevice->getSources());
+
+    InputDeviceInfo info;
+    mDevice->getDeviceInfo(&info);
+    ASSERT_EQ(DEVICE_ID, info.getId());
+    ASSERT_STREQ(DEVICE_NAME, info.getName().string());
+    ASSERT_EQ(AINPUT_KEYBOARD_TYPE_ALPHABETIC, info.getKeyboardType());
+    ASSERT_EQ(uint32_t(AINPUT_SOURCE_KEYBOARD | AINPUT_SOURCE_TOUCHSCREEN), info.getSources());
+
+    // State queries.
+    ASSERT_EQ(AMETA_ALT_ON | AMETA_SHIFT_ON, mDevice->getMetaState())
+            << "Should query mappers and combine meta states.";
+
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getKeyCodeState(AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+            << "Should return unknown key code state when source not supported.";
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getScanCodeState(AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+            << "Should return unknown scan code state when source not supported.";
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mDevice->getSwitchState(AINPUT_SOURCE_TRACKBALL, AKEYCODE_A))
+            << "Should return unknown switch state when source not supported.";
+
+    ASSERT_EQ(AKEY_STATE_DOWN, mDevice->getKeyCodeState(AINPUT_SOURCE_KEYBOARD, AKEYCODE_A))
+            << "Should query mapper when source is supported.";
+    ASSERT_EQ(AKEY_STATE_UP, mDevice->getScanCodeState(AINPUT_SOURCE_KEYBOARD, 3))
+            << "Should query mapper when source is supported.";
+    ASSERT_EQ(AKEY_STATE_DOWN, mDevice->getSwitchState(AINPUT_SOURCE_KEYBOARD, 4))
+            << "Should query mapper when source is supported.";
+
+    const int32_t keyCodes[4] = { AKEYCODE_A, AKEYCODE_B, AKEYCODE_1, AKEYCODE_2 };
+    uint8_t flags[4] = { 0, 0, 0, 1 };
+    ASSERT_FALSE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_TRACKBALL, 4, keyCodes, flags))
+            << "Should do nothing when source is unsupported.";
+    ASSERT_EQ(0, flags[0]) << "Flag should be unchanged when source is unsupported.";
+    ASSERT_EQ(0, flags[1]) << "Flag should be unchanged when source is unsupported.";
+    ASSERT_EQ(0, flags[2]) << "Flag should be unchanged when source is unsupported.";
+    ASSERT_EQ(1, flags[3]) << "Flag should be unchanged when source is unsupported.";
+
+    ASSERT_TRUE(mDevice->markSupportedKeyCodes(AINPUT_SOURCE_KEYBOARD, 4, keyCodes, flags))
+            << "Should query mapper when source is supported.";
+    ASSERT_EQ(1, flags[0]) << "Flag for supported key should be set.";
+    ASSERT_EQ(1, flags[1]) << "Flag for supported key should be set.";
+    ASSERT_EQ(0, flags[2]) << "Flag for unsupported key should be unchanged.";
+    ASSERT_EQ(1, flags[3]) << "Flag for unsupported key should be unchanged.";
+
+    // Event handling.
+    RawEvent event;
+    mDevice->process(&event);
+
+    ASSERT_NO_FATAL_FAILURE(mapper1->assertProcessWasCalled());
+    ASSERT_NO_FATAL_FAILURE(mapper2->assertProcessWasCalled());
+
+    // Reset.
+    mDevice->reset();
+
+    ASSERT_NO_FATAL_FAILURE(mapper1->assertResetWasCalled());
+    ASSERT_NO_FATAL_FAILURE(mapper2->assertResetWasCalled());
+}
+
+
+// --- InputMapperTest ---
+
+class InputMapperTest : public testing::Test {
+protected:
+    static const char* DEVICE_NAME;
+    static const int32_t DEVICE_ID;
+
+    sp<FakeEventHub> mFakeEventHub;
+    sp<FakeInputReaderPolicy> mFakePolicy;
+    sp<FakeInputDispatcher> mFakeDispatcher;
+    FakeInputReaderContext* mFakeContext;
+    InputDevice* mDevice;
+
+    virtual void SetUp() {
+        mFakeEventHub = new FakeEventHub();
+        mFakePolicy = new FakeInputReaderPolicy();
+        mFakeDispatcher = new FakeInputDispatcher();
+        mFakeContext = new FakeInputReaderContext(mFakeEventHub, mFakePolicy, mFakeDispatcher);
+        mDevice = new InputDevice(mFakeContext, DEVICE_ID, String8(DEVICE_NAME));
+
+        mFakeEventHub->addDevice(DEVICE_ID, String8(DEVICE_NAME), 0);
+    }
+
+    virtual void TearDown() {
+        delete mDevice;
+        delete mFakeContext;
+        mFakeDispatcher.clear();
+        mFakePolicy.clear();
+        mFakeEventHub.clear();
+    }
+
+    void prepareCalibration(const char* key, const char* value) {
+        mFakePolicy->addInputDeviceCalibrationProperty(String8(DEVICE_NAME),
+                String8(key), String8(value));
+    }
+
+    void addMapperAndConfigure(InputMapper* mapper) {
+        mDevice->addMapper(mapper);
+        mDevice->configure();
+    }
+
+    static void process(InputMapper* mapper, nsecs_t when, int32_t deviceId, int32_t type,
+            int32_t scanCode, int32_t keyCode, int32_t value, uint32_t flags) {
+        RawEvent event;
+        event.when = when;
+        event.deviceId = deviceId;
+        event.type = type;
+        event.scanCode = scanCode;
+        event.keyCode = keyCode;
+        event.value = value;
+        event.flags = flags;
+        mapper->process(&event);
+    }
+
+    static void assertMotionRange(const InputDeviceInfo& info,
+            int32_t rangeType, float min, float max, float flat, float fuzz) {
+        const InputDeviceInfo::MotionRange* range = info.getMotionRange(rangeType);
+        ASSERT_TRUE(range != NULL) << "Range: " << rangeType;
+        ASSERT_NEAR(min, range->min, EPSILON) << "Range: " << rangeType;
+        ASSERT_NEAR(max, range->max, EPSILON) << "Range: " << rangeType;
+        ASSERT_NEAR(flat, range->flat, EPSILON) << "Range: " << rangeType;
+        ASSERT_NEAR(fuzz, range->fuzz, EPSILON) << "Range: " << rangeType;
+    }
+
+    static void assertPointerCoords(const PointerCoords& coords,
+            float x, float y, float pressure, float size,
+            float touchMajor, float touchMinor, float toolMajor, float toolMinor,
+            float orientation) {
+        ASSERT_NEAR(x, coords.x, 1);
+        ASSERT_NEAR(y, coords.y, 1);
+        ASSERT_NEAR(pressure, coords.pressure, EPSILON);
+        ASSERT_NEAR(size, coords.size, EPSILON);
+        ASSERT_NEAR(touchMajor, coords.touchMajor, 1);
+        ASSERT_NEAR(touchMinor, coords.touchMinor, 1);
+        ASSERT_NEAR(toolMajor, coords.toolMajor, 1);
+        ASSERT_NEAR(toolMinor, coords.toolMinor, 1);
+        ASSERT_NEAR(orientation, coords.orientation, EPSILON);
+    }
+};
+
+const char* InputMapperTest::DEVICE_NAME = "device";
+const int32_t InputMapperTest::DEVICE_ID = 1;
+
+
+// --- SwitchInputMapperTest ---
+
+class SwitchInputMapperTest : public InputMapperTest {
+protected:
+};
+
+TEST_F(SwitchInputMapperTest, GetSources) {
+    SwitchInputMapper* mapper = new SwitchInputMapper(mDevice);
+    addMapperAndConfigure(mapper);
+
+    ASSERT_EQ(uint32_t(0), mapper->getSources());
+}
+
+TEST_F(SwitchInputMapperTest, GetSwitchState) {
+    SwitchInputMapper* mapper = new SwitchInputMapper(mDevice);
+    addMapperAndConfigure(mapper);
+
+    mFakeEventHub->setSwitchState(DEVICE_ID, SW_LID, 1);
+    ASSERT_EQ(1, mapper->getSwitchState(AINPUT_SOURCE_ANY, SW_LID));
+
+    mFakeEventHub->setSwitchState(DEVICE_ID, SW_LID, 0);
+    ASSERT_EQ(0, mapper->getSwitchState(AINPUT_SOURCE_ANY, SW_LID));
+}
+
+TEST_F(SwitchInputMapperTest, Process) {
+    SwitchInputMapper* mapper = new SwitchInputMapper(mDevice);
+    addMapperAndConfigure(mapper);
+
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SW, SW_LID, 0, 1, 0);
+
+    FakeInputDispatcher::NotifySwitchArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifySwitchWasCalled(&args));
+    ASSERT_EQ(ARBITRARY_TIME, args.when);
+    ASSERT_EQ(SW_LID, args.switchCode);
+    ASSERT_EQ(1, args.switchValue);
+    ASSERT_EQ(uint32_t(0), args.policyFlags);
+}
+
+
+// --- KeyboardInputMapperTest ---
+
+class KeyboardInputMapperTest : public InputMapperTest {
+protected:
+    void testDPadKeyRotation(KeyboardInputMapper* mapper,
+            int32_t originalScanCode, int32_t originalKeyCode, int32_t rotatedKeyCode);
+};
+
+void KeyboardInputMapperTest::testDPadKeyRotation(KeyboardInputMapper* mapper,
+        int32_t originalScanCode, int32_t originalKeyCode, int32_t rotatedKeyCode) {
+    FakeInputDispatcher::NotifyKeyArgs args;
+
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, originalScanCode, originalKeyCode, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(originalScanCode, args.scanCode);
+    ASSERT_EQ(rotatedKeyCode, args.keyCode);
+
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, originalScanCode, originalKeyCode, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(originalScanCode, args.scanCode);
+    ASSERT_EQ(rotatedKeyCode, args.keyCode);
+}
+
+
+TEST_F(KeyboardInputMapperTest, GetSources) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, mapper->getSources());
+}
+
+TEST_F(KeyboardInputMapperTest, Process_SimpleKeyPress) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    // Key down.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID,
+            EV_KEY, KEY_HOME, AKEYCODE_HOME, 1, POLICY_FLAG_WAKE);
+    FakeInputDispatcher::NotifyKeyArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AMETA_NONE, args.metaState);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+    ASSERT_EQ(POLICY_FLAG_WAKE, args.policyFlags);
+    ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+    // Key up.
+    process(mapper, ARBITRARY_TIME + 1, DEVICE_ID,
+            EV_KEY, KEY_HOME, AKEYCODE_HOME, 0, POLICY_FLAG_WAKE);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(ARBITRARY_TIME + 1, args.eventTime);
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AMETA_NONE, args.metaState);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+    ASSERT_EQ(POLICY_FLAG_WAKE, args.policyFlags);
+    ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+}
+
+TEST_F(KeyboardInputMapperTest, Reset_WhenKeysAreNotDown_DoesNotSynthesizeKeyUp) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    // Key down.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID,
+            EV_KEY, KEY_HOME, AKEYCODE_HOME, 1, POLICY_FLAG_WAKE);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    // Key up.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID,
+            EV_KEY, KEY_HOME, AKEYCODE_HOME, 0, POLICY_FLAG_WAKE);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    // Reset.  Since no keys still down, should not synthesize any key ups.
+    mapper->reset();
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(KeyboardInputMapperTest, Reset_WhenKeysAreDown_SynthesizesKeyUps) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    // Metakey down.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID,
+            EV_KEY, KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    // Key down.
+    process(mapper, ARBITRARY_TIME + 1, DEVICE_ID,
+            EV_KEY, KEY_A, AKEYCODE_A, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    // Reset.  Since two keys are still down, should synthesize two key ups in reverse order.
+    mapper->reset();
+
+    FakeInputDispatcher::NotifyKeyArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(AKEYCODE_A, args.keyCode);
+    ASSERT_EQ(KEY_A, args.scanCode);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+    ASSERT_EQ(uint32_t(0), args.policyFlags);
+    ASSERT_EQ(ARBITRARY_TIME + 1, args.downTime);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(AKEYCODE_SHIFT_LEFT, args.keyCode);
+    ASSERT_EQ(KEY_LEFTSHIFT, args.scanCode);
+    ASSERT_EQ(AMETA_NONE, args.metaState);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM, args.flags);
+    ASSERT_EQ(uint32_t(0), args.policyFlags);
+    ASSERT_EQ(ARBITRARY_TIME + 1, args.downTime);
+
+    // And that's it.
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(KeyboardInputMapperTest, Process_ShouldUpdateMetaState) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    // Initial metastate.
+    ASSERT_EQ(AMETA_NONE, mapper->getMetaState());
+
+    // Metakey down.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID,
+            EV_KEY, KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT, 1, 0);
+    FakeInputDispatcher::NotifyKeyArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, mapper->getMetaState());
+    ASSERT_NO_FATAL_FAILURE(mFakeContext->assertUpdateGlobalMetaStateWasCalled());
+
+    // Key down.
+    process(mapper, ARBITRARY_TIME + 1, DEVICE_ID,
+            EV_KEY, KEY_A, AKEYCODE_A, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, mapper->getMetaState());
+
+    // Key up.
+    process(mapper, ARBITRARY_TIME + 2, DEVICE_ID,
+            EV_KEY, KEY_A, AKEYCODE_A, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, mapper->getMetaState());
+
+    // Metakey up.
+    process(mapper, ARBITRARY_TIME + 3, DEVICE_ID,
+            EV_KEY, KEY_LEFTSHIFT, AKEYCODE_SHIFT_LEFT, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AMETA_NONE, args.metaState);
+    ASSERT_EQ(AMETA_NONE, mapper->getMetaState());
+    ASSERT_NO_FATAL_FAILURE(mFakeContext->assertUpdateGlobalMetaStateWasCalled());
+}
+
+TEST_F(KeyboardInputMapperTest, Process_WhenNotAttachedToDisplay_ShouldNotRotateDPad) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_UP));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_RIGHT));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_DOWN));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_LEFT));
+}
+
+TEST_F(KeyboardInputMapperTest, Process_WhenAttachedToDisplay_ShouldRotateDPad) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, DISPLAY_ID,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_0);
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_UP));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_RIGHT));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_DOWN));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_LEFT));
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_90);
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_LEFT));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_UP));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_RIGHT));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_DOWN));
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_180);
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_DOWN));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_LEFT));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_UP));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_RIGHT));
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_270);
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_UP, AKEYCODE_DPAD_UP, AKEYCODE_DPAD_RIGHT));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_RIGHT, AKEYCODE_DPAD_RIGHT, AKEYCODE_DPAD_DOWN));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_DOWN, AKEYCODE_DPAD_DOWN, AKEYCODE_DPAD_LEFT));
+    ASSERT_NO_FATAL_FAILURE(testDPadKeyRotation(mapper,
+            KEY_LEFT, AKEYCODE_DPAD_LEFT, AKEYCODE_DPAD_UP));
+
+    // Special case: if orientation changes while key is down, we still emit the same keycode
+    // in the key up as we did in the key down.
+    FakeInputDispatcher::NotifyKeyArgs args;
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_270);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, KEY_UP, AKEYCODE_DPAD_UP, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(KEY_UP, args.scanCode);
+    ASSERT_EQ(AKEYCODE_DPAD_RIGHT, args.keyCode);
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_180);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, KEY_UP, AKEYCODE_DPAD_UP, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(KEY_UP, args.scanCode);
+    ASSERT_EQ(AKEYCODE_DPAD_RIGHT, args.keyCode);
+}
+
+TEST_F(KeyboardInputMapperTest, GetKeyCodeState) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    mFakeEventHub->setKeyCodeState(DEVICE_ID, AKEYCODE_A, 1);
+    ASSERT_EQ(1, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_A));
+
+    mFakeEventHub->setKeyCodeState(DEVICE_ID, AKEYCODE_A, 0);
+    ASSERT_EQ(0, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_A));
+}
+
+TEST_F(KeyboardInputMapperTest, GetScanCodeState) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    mFakeEventHub->setScanCodeState(DEVICE_ID, KEY_A, 1);
+    ASSERT_EQ(1, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_A));
+
+    mFakeEventHub->setScanCodeState(DEVICE_ID, KEY_A, 0);
+    ASSERT_EQ(0, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_A));
+}
+
+TEST_F(KeyboardInputMapperTest, MarkSupportedKeyCodes) {
+    KeyboardInputMapper* mapper = new KeyboardInputMapper(mDevice, -1,
+            AINPUT_SOURCE_KEYBOARD, AINPUT_KEYBOARD_TYPE_ALPHABETIC);
+    addMapperAndConfigure(mapper);
+
+    mFakeEventHub->addKey(DEVICE_ID, KEY_A, AKEYCODE_A, 0);
+
+    const int32_t keyCodes[2] = { AKEYCODE_A, AKEYCODE_B };
+    uint8_t flags[2] = { 0, 0 };
+    ASSERT_TRUE(mapper->markSupportedKeyCodes(AINPUT_SOURCE_ANY, 1, keyCodes, flags));
+    ASSERT_TRUE(flags[0]);
+    ASSERT_FALSE(flags[1]);
+}
+
+
+// --- TrackballInputMapperTest ---
+
+class TrackballInputMapperTest : public InputMapperTest {
+protected:
+    static const int32_t TRACKBALL_MOVEMENT_THRESHOLD;
+
+    void testMotionRotation(TrackballInputMapper* mapper,
+            int32_t originalX, int32_t originalY, int32_t rotatedX, int32_t rotatedY);
+};
+
+const int32_t TrackballInputMapperTest::TRACKBALL_MOVEMENT_THRESHOLD = 6;
+
+void TrackballInputMapperTest::testMotionRotation(TrackballInputMapper* mapper,
+        int32_t originalX, int32_t originalY, int32_t rotatedX, int32_t rotatedY) {
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, originalX, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, originalY, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            float(rotatedX) / TRACKBALL_MOVEMENT_THRESHOLD,
+            float(rotatedY) / TRACKBALL_MOVEMENT_THRESHOLD,
+            0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(TrackballInputMapperTest, GetSources) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    ASSERT_EQ(AINPUT_SOURCE_TRACKBALL, mapper->getSources());
+}
+
+TEST_F(TrackballInputMapperTest, PopulateDeviceInfo) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    InputDeviceInfo info;
+    mapper->populateDeviceInfo(&info);
+
+    ASSERT_NO_FATAL_FAILURE(assertMotionRange(info, AINPUT_MOTION_RANGE_X,
+            -1.0f, 1.0f, 0.0f, 1.0f / TRACKBALL_MOVEMENT_THRESHOLD));
+    ASSERT_NO_FATAL_FAILURE(assertMotionRange(info, AINPUT_MOTION_RANGE_Y,
+            -1.0f, 1.0f, 0.0f, 1.0f / TRACKBALL_MOVEMENT_THRESHOLD));
+}
+
+TEST_F(TrackballInputMapperTest, Process_ShouldSetAllFieldsAndIncludeGlobalMetaState) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    // Button press.
+    // Mostly testing non x/y behavior here so we don't need to check again elsewhere.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TRACKBALL, args.source);
+    ASSERT_EQ(uint32_t(0), args.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(0, args.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(0, args.edgeFlags);
+    ASSERT_EQ(uint32_t(1), args.pointerCount);
+    ASSERT_EQ(0, args.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+    ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.xPrecision);
+    ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.yPrecision);
+    ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+    // Button release.  Should have same down time.
+    process(mapper, ARBITRARY_TIME + 1, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(ARBITRARY_TIME + 1, args.eventTime);
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TRACKBALL, args.source);
+    ASSERT_EQ(uint32_t(0), args.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(0, args.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(0, args.edgeFlags);
+    ASSERT_EQ(uint32_t(1), args.pointerCount);
+    ASSERT_EQ(0, args.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+    ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.xPrecision);
+    ASSERT_EQ(TRACKBALL_MOVEMENT_THRESHOLD, args.yPrecision);
+    ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+}
+
+TEST_F(TrackballInputMapperTest, Process_ShouldHandleIndependentXYUpdates) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    // Motion in X but not Y.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, 1, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            1.0f / TRACKBALL_MOVEMENT_THRESHOLD, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+    // Motion in Y but not X.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, -2, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_NEAR(0.0f, args.pointerCoords[0].x, EPSILON);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            0.0f, -2.0f / TRACKBALL_MOVEMENT_THRESHOLD, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(TrackballInputMapperTest, Process_ShouldHandleIndependentButtonUpdates) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    // Button press without following sync.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+    // Button release without following sync.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(TrackballInputMapperTest, Process_ShouldHandleCombinedXYAndButtonUpdates) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    // Combined X, Y and Button.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, 1, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, -2, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            1.0f / TRACKBALL_MOVEMENT_THRESHOLD, -2.0f / TRACKBALL_MOVEMENT_THRESHOLD,
+            1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+    // Move X, Y a bit while pressed.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_X, 0, 2, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_REL, REL_Y, 0, 1, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            2.0f / TRACKBALL_MOVEMENT_THRESHOLD, 1.0f / TRACKBALL_MOVEMENT_THRESHOLD,
+            1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+
+    // Release Button.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(TrackballInputMapperTest, Reset_WhenButtonIsNotDown_ShouldNotSynthesizeButtonUp) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    // Button press.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+
+    // Button release.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 0, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+
+    // Reset.  Should not synthesize button up since button is not pressed.
+    mapper->reset();
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(TrackballInputMapperTest, Reset_WhenButtonIsDown_ShouldSynthesizeButtonUp) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    // Button press.
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_MOUSE, 0, 1, 0);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+
+    // Reset.  Should synthesize button up.
+    mapper->reset();
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, args.action);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+}
+
+TEST_F(TrackballInputMapperTest, Process_WhenNotAttachedToDisplay_ShouldNotRotateMotions) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, -1);
+    addMapperAndConfigure(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  0,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1,  1,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1, -1,  1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0, -1,  0, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, -1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  0, -1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1, -1,  1));
+}
+
+TEST_F(TrackballInputMapperTest, Process_WhenAttachedToDisplay_ShouldRotateMotions) {
+    TrackballInputMapper* mapper = new TrackballInputMapper(mDevice, DISPLAY_ID);
+    addMapperAndConfigure(mapper);
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_0);
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  0,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1,  1,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1, -1,  1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0, -1,  0, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, -1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  0, -1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1, -1,  1));
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_90);
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1,  1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  0, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1, -1, -1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0, -1, -1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1, -1,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  0,  0,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1,  1,  1));
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_180);
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1,  0, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1, -1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0, -1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1, -1, -1,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0, -1,  0,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1,  1,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  0,  1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1,  1, -1));
+
+    mFakePolicy->setDisplayInfo(DISPLAY_ID,
+            DISPLAY_WIDTH, DISPLAY_HEIGHT,
+            InputReaderPolicyInterface::ROTATION_270);
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0,  1, -1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  1, -1,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1,  0,  0,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  1, -1,  1,  1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper,  0, -1,  1,  0));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1, -1,  1, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  0,  0, -1));
+    ASSERT_NO_FATAL_FAILURE(testMotionRotation(mapper, -1,  1, -1, -1));
+}
+
+
+// --- TouchInputMapperTest ---
+
+class TouchInputMapperTest : public InputMapperTest {
+protected:
+    static const int32_t RAW_X_MIN;
+    static const int32_t RAW_X_MAX;
+    static const int32_t RAW_Y_MIN;
+    static const int32_t RAW_Y_MAX;
+    static const int32_t RAW_TOUCH_MIN;
+    static const int32_t RAW_TOUCH_MAX;
+    static const int32_t RAW_TOOL_MIN;
+    static const int32_t RAW_TOOL_MAX;
+    static const int32_t RAW_PRESSURE_MIN;
+    static const int32_t RAW_PRESSURE_MAX;
+    static const int32_t RAW_ORIENTATION_MIN;
+    static const int32_t RAW_ORIENTATION_MAX;
+    static const int32_t RAW_ID_MIN;
+    static const int32_t RAW_ID_MAX;
+    static const float X_PRECISION;
+    static const float Y_PRECISION;
+
+    static const VirtualKeyDefinition VIRTUAL_KEYS[2];
+
+    enum Axes {
+        POSITION = 1 << 0,
+        TOUCH = 1 << 1,
+        TOOL = 1 << 2,
+        PRESSURE = 1 << 3,
+        ORIENTATION = 1 << 4,
+        MINOR = 1 << 5,
+        ID = 1 << 6,
+    };
+
+    void prepareDisplay(int32_t orientation);
+    void prepareVirtualKeys();
+    int32_t toRawX(float displayX);
+    int32_t toRawY(float displayY);
+    float toDisplayX(int32_t rawX);
+    float toDisplayY(int32_t rawY);
+};
+
+const int32_t TouchInputMapperTest::RAW_X_MIN = 25;
+const int32_t TouchInputMapperTest::RAW_X_MAX = 1020;
+const int32_t TouchInputMapperTest::RAW_Y_MIN = 30;
+const int32_t TouchInputMapperTest::RAW_Y_MAX = 1010;
+const int32_t TouchInputMapperTest::RAW_TOUCH_MIN = 0;
+const int32_t TouchInputMapperTest::RAW_TOUCH_MAX = 31;
+const int32_t TouchInputMapperTest::RAW_TOOL_MIN = 0;
+const int32_t TouchInputMapperTest::RAW_TOOL_MAX = 15;
+const int32_t TouchInputMapperTest::RAW_PRESSURE_MIN = RAW_TOUCH_MIN;
+const int32_t TouchInputMapperTest::RAW_PRESSURE_MAX = RAW_TOUCH_MAX;
+const int32_t TouchInputMapperTest::RAW_ORIENTATION_MIN = -7;
+const int32_t TouchInputMapperTest::RAW_ORIENTATION_MAX = 7;
+const int32_t TouchInputMapperTest::RAW_ID_MIN = 0;
+const int32_t TouchInputMapperTest::RAW_ID_MAX = 9;
+const float TouchInputMapperTest::X_PRECISION = float(RAW_X_MAX - RAW_X_MIN) / DISPLAY_WIDTH;
+const float TouchInputMapperTest::Y_PRECISION = float(RAW_Y_MAX - RAW_Y_MIN) / DISPLAY_HEIGHT;
+
+const VirtualKeyDefinition TouchInputMapperTest::VIRTUAL_KEYS[2] = {
+        { KEY_HOME, 60, DISPLAY_HEIGHT + 15, 20, 20 },
+        { KEY_MENU, DISPLAY_HEIGHT - 60, DISPLAY_WIDTH + 15, 20, 20 },
+};
+
+void TouchInputMapperTest::prepareDisplay(int32_t orientation) {
+    mFakePolicy->setDisplayInfo(DISPLAY_ID, DISPLAY_WIDTH, DISPLAY_HEIGHT, orientation);
+}
+
+void TouchInputMapperTest::prepareVirtualKeys() {
+    mFakePolicy->addVirtualKeyDefinition(String8(DEVICE_NAME), VIRTUAL_KEYS[0]);
+    mFakePolicy->addVirtualKeyDefinition(String8(DEVICE_NAME), VIRTUAL_KEYS[1]);
+    mFakeEventHub->addKey(DEVICE_ID, KEY_HOME, AKEYCODE_HOME, POLICY_FLAG_WAKE);
+    mFakeEventHub->addKey(DEVICE_ID, KEY_MENU, AKEYCODE_MENU, POLICY_FLAG_WAKE);
+}
+
+int32_t TouchInputMapperTest::toRawX(float displayX) {
+    return int32_t(displayX * (RAW_X_MAX - RAW_X_MIN) / DISPLAY_WIDTH + RAW_X_MIN);
+}
+
+int32_t TouchInputMapperTest::toRawY(float displayY) {
+    return int32_t(displayY * (RAW_Y_MAX - RAW_Y_MIN) / DISPLAY_HEIGHT + RAW_Y_MIN);
+}
+
+float TouchInputMapperTest::toDisplayX(int32_t rawX) {
+    return float(rawX - RAW_X_MIN) * DISPLAY_WIDTH / (RAW_X_MAX - RAW_X_MIN);
+}
+
+float TouchInputMapperTest::toDisplayY(int32_t rawY) {
+    return float(rawY - RAW_Y_MIN) * DISPLAY_HEIGHT / (RAW_Y_MAX - RAW_Y_MIN);
+}
+
+
+// --- SingleTouchInputMapperTest ---
+
+class SingleTouchInputMapperTest : public TouchInputMapperTest {
+protected:
+    void prepareAxes(int axes);
+
+    void processDown(SingleTouchInputMapper* mapper, int32_t x, int32_t y);
+    void processMove(SingleTouchInputMapper* mapper, int32_t x, int32_t y);
+    void processUp(SingleTouchInputMapper* mappery);
+    void processPressure(SingleTouchInputMapper* mapper, int32_t pressure);
+    void processToolMajor(SingleTouchInputMapper* mapper, int32_t toolMajor);
+    void processSync(SingleTouchInputMapper* mapper);
+};
+
+void SingleTouchInputMapperTest::prepareAxes(int axes) {
+    if (axes & POSITION) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_X, RAW_X_MIN, RAW_X_MAX, 0, 0);
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_Y, RAW_Y_MIN, RAW_Y_MAX, 0, 0);
+    }
+    if (axes & PRESSURE) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_PRESSURE, RAW_PRESSURE_MIN, RAW_PRESSURE_MAX, 0, 0);
+    }
+    if (axes & TOOL) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_TOOL_WIDTH, RAW_TOOL_MIN, RAW_TOOL_MAX, 0, 0);
+    }
+}
+
+void SingleTouchInputMapperTest::processDown(SingleTouchInputMapper* mapper, int32_t x, int32_t y) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_TOUCH, 0, 1, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_X, 0, x, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_Y, 0, y, 0);
+}
+
+void SingleTouchInputMapperTest::processMove(SingleTouchInputMapper* mapper, int32_t x, int32_t y) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_X, 0, x, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_Y, 0, y, 0);
+}
+
+void SingleTouchInputMapperTest::processUp(SingleTouchInputMapper* mapper) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_KEY, BTN_TOUCH, 0, 0, 0);
+}
+
+void SingleTouchInputMapperTest::processPressure(
+        SingleTouchInputMapper* mapper, int32_t pressure) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_PRESSURE, 0, pressure, 0);
+}
+
+void SingleTouchInputMapperTest::processToolMajor(
+        SingleTouchInputMapper* mapper, int32_t toolMajor) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_TOOL_WIDTH, 0, toolMajor, 0);
+}
+
+void SingleTouchInputMapperTest::processSync(SingleTouchInputMapper* mapper) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+}
+
+
+TEST_F(SingleTouchInputMapperTest, GetSources_WhenNotAttachedToADisplay_ReturnsTouchPad) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, -1);
+    prepareAxes(POSITION);
+    addMapperAndConfigure(mapper);
+
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHPAD, mapper->getSources());
+}
+
+TEST_F(SingleTouchInputMapperTest, GetSources_WhenAttachedToADisplay_ReturnsTouchScreen) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareAxes(POSITION);
+    addMapperAndConfigure(mapper);
+
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, mapper->getSources());
+}
+
+TEST_F(SingleTouchInputMapperTest, GetKeyCodeState) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    // Unknown key.
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_A));
+
+    // Virtual key is down.
+    int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+    int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+    processDown(mapper, x, y);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    ASSERT_EQ(AKEY_STATE_VIRTUAL, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_HOME));
+
+    // Virtual key is up.
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    ASSERT_EQ(AKEY_STATE_UP, mapper->getKeyCodeState(AINPUT_SOURCE_ANY, AKEYCODE_HOME));
+}
+
+TEST_F(SingleTouchInputMapperTest, GetScanCodeState) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    // Unknown key.
+    ASSERT_EQ(AKEY_STATE_UNKNOWN, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_A));
+
+    // Virtual key is down.
+    int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+    int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+    processDown(mapper, x, y);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    ASSERT_EQ(AKEY_STATE_VIRTUAL, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_HOME));
+
+    // Virtual key is up.
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    ASSERT_EQ(AKEY_STATE_UP, mapper->getScanCodeState(AINPUT_SOURCE_ANY, KEY_HOME));
+}
+
+TEST_F(SingleTouchInputMapperTest, MarkSupportedKeyCodes) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    const int32_t keys[2] = { AKEYCODE_HOME, AKEYCODE_A };
+    uint8_t flags[2] = { 0, 0 };
+    ASSERT_TRUE(mapper->markSupportedKeyCodes(AINPUT_SOURCE_ANY, 2, keys, flags));
+    ASSERT_TRUE(flags[0]);
+    ASSERT_FALSE(flags[1]);
+}
+
+TEST_F(SingleTouchInputMapperTest, Reset_WhenVirtualKeysAreDown_SendsUp) {
+    // Note: Ideally we should send cancels but the implementation is more straightforward
+    // with up and this will only happen if a device is forcibly removed.
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    // Press virtual key.
+    int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+    int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+    processDown(mapper, x, y);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    // Reset.  Since key is down, synthesize key up.
+    mapper->reset();
+
+    FakeInputDispatcher::NotifyKeyArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    //ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(POLICY_FLAG_VIRTUAL, args.policyFlags);
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, args.flags);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+}
+
+TEST_F(SingleTouchInputMapperTest, Reset_WhenNothingIsPressed_NothingMuchHappens) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    // Press virtual key.
+    int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+    int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+    processDown(mapper, x, y);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    // Release virtual key.
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled());
+
+    // Reset.  Since no key is down, nothing happens.
+    mapper->reset();
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndReleasedNormally_SendsKeyDownAndKeyUp) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    FakeInputDispatcher::NotifyKeyArgs args;
+
+    // Press virtual key.
+    int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+    int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+    processDown(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(POLICY_FLAG_VIRTUAL, args.policyFlags);
+    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, args.action);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, args.flags);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+    // Release virtual key.
+    processUp(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&args));
+    ASSERT_EQ(ARBITRARY_TIME, args.eventTime);
+    ASSERT_EQ(DEVICE_ID, args.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, args.source);
+    ASSERT_EQ(POLICY_FLAG_VIRTUAL, args.policyFlags);
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, args.action);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, args.flags);
+    ASSERT_EQ(AKEYCODE_HOME, args.keyCode);
+    ASSERT_EQ(KEY_HOME, args.scanCode);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, args.metaState);
+    ASSERT_EQ(ARBITRARY_TIME, args.downTime);
+
+    // Should not have sent any motions.
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenVirtualKeyIsPressedAndMovedOutOfBounds_SendsKeyDownAndKeyCancel) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    FakeInputDispatcher::NotifyKeyArgs keyArgs;
+
+    // Press virtual key.
+    int32_t x = toRawX(VIRTUAL_KEYS[0].centerX);
+    int32_t y = toRawY(VIRTUAL_KEYS[0].centerY);
+    processDown(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&keyArgs));
+    ASSERT_EQ(ARBITRARY_TIME, keyArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, keyArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, keyArgs.source);
+    ASSERT_EQ(POLICY_FLAG_VIRTUAL, keyArgs.policyFlags);
+    ASSERT_EQ(AKEY_EVENT_ACTION_DOWN, keyArgs.action);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY, keyArgs.flags);
+    ASSERT_EQ(AKEYCODE_HOME, keyArgs.keyCode);
+    ASSERT_EQ(KEY_HOME, keyArgs.scanCode);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, keyArgs.metaState);
+    ASSERT_EQ(ARBITRARY_TIME, keyArgs.downTime);
+
+    // Move out of bounds.  This should generate a cancel and a pointer down since we moved
+    // into the display area.
+    y -= 100;
+    processMove(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasCalled(&keyArgs));
+    ASSERT_EQ(ARBITRARY_TIME, keyArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, keyArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_KEYBOARD, keyArgs.source);
+    ASSERT_EQ(POLICY_FLAG_VIRTUAL, keyArgs.policyFlags);
+    ASSERT_EQ(AKEY_EVENT_ACTION_UP, keyArgs.action);
+    ASSERT_EQ(AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY
+            | AKEY_EVENT_FLAG_CANCELED, keyArgs.flags);
+    ASSERT_EQ(AKEYCODE_HOME, keyArgs.keyCode);
+    ASSERT_EQ(KEY_HOME, keyArgs.scanCode);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, keyArgs.metaState);
+    ASSERT_EQ(ARBITRARY_TIME, keyArgs.downTime);
+
+    FakeInputDispatcher::NotifyMotionArgs motionArgs;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Keep moving out of bounds.  Should generate a pointer move.
+    y -= 50;
+    processMove(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Release out of bounds.  Should generate a pointer up.
+    processUp(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Should not have sent any more keys or motions.
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_WhenTouchStartsOutsideDisplayAndMovesIn_SendsDownAsTouchEntersDisplay) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+    // Initially go down out of bounds.
+    int32_t x = -10;
+    int32_t y = -10;
+    processDown(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+
+    // Move into the display area.  Should generate a pointer down.
+    x = 50;
+    y = 75;
+    processMove(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Release.  Should generate a pointer up.
+    processUp(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Should not have sent any more keys or motions.
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_NormalSingleTouchGesture) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+    // Down.
+    int32_t x = 100;
+    int32_t y = 125;
+    processDown(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Move.
+    x += 50;
+    y += 75;
+    processMove(mapper, x, y);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Up.
+    processUp(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x), toDisplayY(y), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Should not have sent any more keys or motions.
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_Rotation) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareAxes(POSITION);
+    addMapperAndConfigure(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+
+    // Rotation 0.
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    processDown(mapper, toRawX(50), toRawY(75));
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_NEAR(50, args.pointerCoords[0].x, 1);
+    ASSERT_NEAR(75, args.pointerCoords[0].y, 1);
+
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+
+    // Rotation 90.
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_90);
+    processDown(mapper, toRawX(50), toRawY(75));
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_NEAR(75, args.pointerCoords[0].x, 1);
+    ASSERT_NEAR(DISPLAY_WIDTH - 50, args.pointerCoords[0].y, 1);
+
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+
+    // Rotation 180.
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_180);
+    processDown(mapper, toRawX(50), toRawY(75));
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_NEAR(DISPLAY_WIDTH - 50, args.pointerCoords[0].x, 1);
+    ASSERT_NEAR(DISPLAY_HEIGHT - 75, args.pointerCoords[0].y, 1);
+
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+
+    // Rotation 270.
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_270);
+    processDown(mapper, toRawX(50), toRawY(75));
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_NEAR(DISPLAY_HEIGHT - 75, args.pointerCoords[0].x, 1);
+    ASSERT_NEAR(50, args.pointerCoords[0].y, 1);
+
+    processUp(mapper);
+    processSync(mapper);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled());
+}
+
+TEST_F(SingleTouchInputMapperTest, Process_AllAxes_DefaultCalibration) {
+    SingleTouchInputMapper* mapper = new SingleTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION | PRESSURE | TOOL);
+    addMapperAndConfigure(mapper);
+
+    // These calculations are based on the input device calibration documentation.
+    int32_t rawX = 100;
+    int32_t rawY = 200;
+    int32_t rawPressure = 10;
+    int32_t rawToolMajor = 12;
+
+    float x = toDisplayX(rawX);
+    float y = toDisplayY(rawY);
+    float pressure = float(rawPressure) / RAW_PRESSURE_MAX;
+    float size = float(rawToolMajor) / RAW_TOOL_MAX;
+    float tool = min(DISPLAY_WIDTH, DISPLAY_HEIGHT) * size;
+    float touch = min(tool * pressure, tool);
+
+    processDown(mapper, rawX, rawY);
+    processPressure(mapper, rawPressure);
+    processToolMajor(mapper, rawToolMajor);
+    processSync(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            x, y, pressure, size, touch, touch, tool, tool, 0));
+}
+
+
+// --- MultiTouchInputMapperTest ---
+
+class MultiTouchInputMapperTest : public TouchInputMapperTest {
+protected:
+    void prepareAxes(int axes);
+
+    void processPosition(MultiTouchInputMapper* mapper, int32_t x, int32_t y);
+    void processTouchMajor(MultiTouchInputMapper* mapper, int32_t touchMajor);
+    void processTouchMinor(MultiTouchInputMapper* mapper, int32_t touchMinor);
+    void processToolMajor(MultiTouchInputMapper* mapper, int32_t toolMajor);
+    void processToolMinor(MultiTouchInputMapper* mapper, int32_t toolMinor);
+    void processOrientation(MultiTouchInputMapper* mapper, int32_t orientation);
+    void processPressure(MultiTouchInputMapper* mapper, int32_t pressure);
+    void processId(MultiTouchInputMapper* mapper, int32_t id);
+    void processMTSync(MultiTouchInputMapper* mapper);
+    void processSync(MultiTouchInputMapper* mapper);
+};
+
+void MultiTouchInputMapperTest::prepareAxes(int axes) {
+    if (axes & POSITION) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_POSITION_X, RAW_X_MIN, RAW_X_MAX, 0, 0);
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_POSITION_Y, RAW_Y_MIN, RAW_Y_MAX, 0, 0);
+    }
+    if (axes & TOUCH) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_TOUCH_MAJOR, RAW_TOUCH_MIN, RAW_TOUCH_MAX, 0, 0);
+        if (axes & MINOR) {
+            mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_TOUCH_MINOR,
+                    RAW_TOUCH_MIN, RAW_TOUCH_MAX, 0, 0);
+        }
+    }
+    if (axes & TOOL) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_WIDTH_MAJOR, RAW_TOOL_MIN, RAW_TOOL_MAX, 0, 0);
+        if (axes & MINOR) {
+            mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_WIDTH_MINOR,
+                    RAW_TOOL_MAX, RAW_TOOL_MAX, 0, 0);
+        }
+    }
+    if (axes & ORIENTATION) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_ORIENTATION,
+                RAW_ORIENTATION_MIN, RAW_ORIENTATION_MAX, 0, 0);
+    }
+    if (axes & PRESSURE) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_PRESSURE,
+                RAW_PRESSURE_MIN, RAW_PRESSURE_MAX, 0, 0);
+    }
+    if (axes & ID) {
+        mFakeEventHub->addAxis(DEVICE_ID, ABS_MT_TRACKING_ID,
+                RAW_ID_MIN, RAW_ID_MAX, 0, 0);
+    }
+}
+
+void MultiTouchInputMapperTest::processPosition(
+        MultiTouchInputMapper* mapper, int32_t x, int32_t y) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_POSITION_X, 0, x, 0);
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_POSITION_Y, 0, y, 0);
+}
+
+void MultiTouchInputMapperTest::processTouchMajor(
+        MultiTouchInputMapper* mapper, int32_t touchMajor) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_TOUCH_MAJOR, 0, touchMajor, 0);
+}
+
+void MultiTouchInputMapperTest::processTouchMinor(
+        MultiTouchInputMapper* mapper, int32_t touchMinor) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_TOUCH_MINOR, 0, touchMinor, 0);
+}
+
+void MultiTouchInputMapperTest::processToolMajor(
+        MultiTouchInputMapper* mapper, int32_t toolMajor) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_WIDTH_MAJOR, 0, toolMajor, 0);
+}
+
+void MultiTouchInputMapperTest::processToolMinor(
+        MultiTouchInputMapper* mapper, int32_t toolMinor) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_WIDTH_MINOR, 0, toolMinor, 0);
+}
+
+void MultiTouchInputMapperTest::processOrientation(
+        MultiTouchInputMapper* mapper, int32_t orientation) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_ORIENTATION, 0, orientation, 0);
+}
+
+void MultiTouchInputMapperTest::processPressure(
+        MultiTouchInputMapper* mapper, int32_t pressure) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_PRESSURE, 0, pressure, 0);
+}
+
+void MultiTouchInputMapperTest::processId(
+        MultiTouchInputMapper* mapper, int32_t id) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_ABS, ABS_MT_TRACKING_ID, 0, id, 0);
+}
+
+void MultiTouchInputMapperTest::processMTSync(MultiTouchInputMapper* mapper) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_MT_REPORT, 0, 0, 0);
+}
+
+void MultiTouchInputMapperTest::processSync(MultiTouchInputMapper* mapper) {
+    process(mapper, ARBITRARY_TIME, DEVICE_ID, EV_SYN, SYN_REPORT, 0, 0, 0);
+}
+
+
+TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithoutTrackingIds) {
+    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once.
+    int32_t x1 = 100, y1 = 125, x2 = 300, y2 = 500;
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_EQ(1, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Move.
+    x1 += 10; y1 += 15; x2 += 5; y2 -= 10;
+    processPosition(mapper, x1, y1);
+    processMTSync(mapper);
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_EQ(1, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // First finger up.
+    x2 += 15; y2 -= 20;
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_EQ(1, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(1, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Move.
+    x2 += 20; y2 -= 25;
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(1, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // New finger down.
+    int32_t x3 = 700, y3 = 300;
+    processPosition(mapper, x2, y2);
+    processMTSync(mapper);
+    processPosition(mapper, x3, y3);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_EQ(1, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Second finger up.
+    x3 += 30; y3 -= 20;
+    processPosition(mapper, x3, y3);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_EQ(1, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Last finger up.
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.eventTime);
+    ASSERT_EQ(DEVICE_ID, motionArgs.deviceId);
+    ASSERT_EQ(AINPUT_SOURCE_TOUCHSCREEN, motionArgs.source);
+    ASSERT_EQ(uint32_t(0), motionArgs.policyFlags);
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+    ASSERT_EQ(0, motionArgs.flags);
+    ASSERT_EQ(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON, motionArgs.metaState);
+    ASSERT_EQ(0, motionArgs.edgeFlags);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(0, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NEAR(X_PRECISION, motionArgs.xPrecision, EPSILON);
+    ASSERT_NEAR(Y_PRECISION, motionArgs.yPrecision, EPSILON);
+    ASSERT_EQ(ARBITRARY_TIME, motionArgs.downTime);
+
+    // Should not have sent any more keys or motions.
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_NormalMultiTouchGesture_WithTrackingIds) {
+    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION | ID);
+    prepareVirtualKeys();
+    addMapperAndConfigure(mapper);
+
+    mFakeContext->setGlobalMetaState(AMETA_SHIFT_LEFT_ON | AMETA_SHIFT_ON);
+
+    FakeInputDispatcher::NotifyMotionArgs motionArgs;
+
+    // Two fingers down at once.
+    int32_t x1 = 100, y1 = 125, x2 = 300, y2 = 500;
+    processPosition(mapper, x1, y1);
+    processId(mapper, 1);
+    processMTSync(mapper);
+    processPosition(mapper, x2, y2);
+    processId(mapper, 2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, motionArgs.action);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(1, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(1, motionArgs.pointerIds[0]);
+    ASSERT_EQ(2, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+    // Move.
+    x1 += 10; y1 += 15; x2 += 5; y2 -= 10;
+    processPosition(mapper, x1, y1);
+    processId(mapper, 1);
+    processMTSync(mapper);
+    processPosition(mapper, x2, y2);
+    processId(mapper, 2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(1, motionArgs.pointerIds[0]);
+    ASSERT_EQ(2, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+    // First finger up.
+    x2 += 15; y2 -= 20;
+    processPosition(mapper, x2, y2);
+    processId(mapper, 2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(1, motionArgs.pointerIds[0]);
+    ASSERT_EQ(2, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x1), toDisplayY(y1), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(2, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+    // Move.
+    x2 += 20; y2 -= 25;
+    processPosition(mapper, x2, y2);
+    processId(mapper, 2);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(2, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+
+    // New finger down.
+    int32_t x3 = 700, y3 = 300;
+    processPosition(mapper, x2, y2);
+    processId(mapper, 2);
+    processMTSync(mapper);
+    processPosition(mapper, x3, y3);
+    processId(mapper, 3);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(2, motionArgs.pointerIds[0]);
+    ASSERT_EQ(3, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+    // Second finger up.
+    x3 += 30; y3 -= 20;
+    processPosition(mapper, x3, y3);
+    processId(mapper, 3);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_UP | (0 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            motionArgs.action);
+    ASSERT_EQ(size_t(2), motionArgs.pointerCount);
+    ASSERT_EQ(2, motionArgs.pointerIds[0]);
+    ASSERT_EQ(3, motionArgs.pointerIds[1]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x2), toDisplayY(y2), 1, 0, 0, 0, 0, 0, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[1],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_MOVE, motionArgs.action);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(3, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+    // Last finger up.
+    processMTSync(mapper);
+    processSync(mapper);
+
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&motionArgs));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_UP, motionArgs.action);
+    ASSERT_EQ(size_t(1), motionArgs.pointerCount);
+    ASSERT_EQ(3, motionArgs.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(motionArgs.pointerCoords[0],
+            toDisplayX(x3), toDisplayY(y3), 1, 0, 0, 0, 0, 0, 0));
+
+    // Should not have sent any more keys or motions.
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyKeyWasNotCalled());
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasNotCalled());
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_AllAxes_WithDefaultCalibration) {
+    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION | TOUCH | TOOL | PRESSURE | ORIENTATION | ID | MINOR);
+    addMapperAndConfigure(mapper);
+
+    // These calculations are based on the input device calibration documentation.
+    int32_t rawX = 100;
+    int32_t rawY = 200;
+    int32_t rawTouchMajor = 7;
+    int32_t rawTouchMinor = 6;
+    int32_t rawToolMajor = 9;
+    int32_t rawToolMinor = 8;
+    int32_t rawPressure = 11;
+    int32_t rawOrientation = 3;
+    int32_t id = 5;
+
+    float x = toDisplayX(rawX);
+    float y = toDisplayY(rawY);
+    float pressure = float(rawPressure) / RAW_PRESSURE_MAX;
+    float size = avg(rawToolMajor, rawToolMinor) / RAW_TOOL_MAX;
+    float toolMajor = float(min(DISPLAY_WIDTH, DISPLAY_HEIGHT)) * rawToolMajor / RAW_TOOL_MAX;
+    float toolMinor = float(min(DISPLAY_WIDTH, DISPLAY_HEIGHT)) * rawToolMinor / RAW_TOOL_MAX;
+    float touchMajor = min(toolMajor * pressure, toolMajor);
+    float touchMinor = min(toolMinor * pressure, toolMinor);
+    float orientation = float(rawOrientation) / RAW_ORIENTATION_MAX * M_PI_2;
+
+    processPosition(mapper, rawX, rawY);
+    processTouchMajor(mapper, rawTouchMajor);
+    processTouchMinor(mapper, rawTouchMinor);
+    processToolMajor(mapper, rawToolMajor);
+    processToolMinor(mapper, rawToolMinor);
+    processPressure(mapper, rawPressure);
+    processOrientation(mapper, rawOrientation);
+    processId(mapper, id);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(id, args.pointerIds[0]);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            x, y, pressure, size, touchMajor, touchMinor, toolMajor, toolMinor, orientation));
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_TouchAndToolAxes_GeometricCalibration) {
+    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION | TOUCH | TOOL | MINOR);
+    prepareCalibration("touch.touchSize.calibration", "geometric");
+    prepareCalibration("touch.toolSize.calibration", "geometric");
+    addMapperAndConfigure(mapper);
+
+    // These calculations are based on the input device calibration documentation.
+    int32_t rawX = 100;
+    int32_t rawY = 200;
+    int32_t rawTouchMajor = 140;
+    int32_t rawTouchMinor = 120;
+    int32_t rawToolMajor = 180;
+    int32_t rawToolMinor = 160;
+
+    float x = toDisplayX(rawX);
+    float y = toDisplayY(rawY);
+    float pressure = float(rawTouchMajor) / RAW_TOUCH_MAX;
+    float size = avg(rawToolMajor, rawToolMinor) / RAW_TOOL_MAX;
+    float scale = avg(float(DISPLAY_WIDTH) / (RAW_X_MAX - RAW_X_MIN),
+            float(DISPLAY_HEIGHT) / (RAW_Y_MAX - RAW_Y_MIN));
+    float toolMajor = float(rawToolMajor) * scale;
+    float toolMinor = float(rawToolMinor) * scale;
+    float touchMajor = min(float(rawTouchMajor) * scale, toolMajor);
+    float touchMinor = min(float(rawTouchMinor) * scale, toolMinor);
+
+    processPosition(mapper, rawX, rawY);
+    processTouchMajor(mapper, rawTouchMajor);
+    processTouchMinor(mapper, rawTouchMinor);
+    processToolMajor(mapper, rawToolMajor);
+    processToolMinor(mapper, rawToolMinor);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            x, y, pressure, size, touchMajor, touchMinor, toolMajor, toolMinor, 0));
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_TouchToolPressureSizeAxes_SummedLinearCalibration) {
+    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION | TOUCH | TOOL);
+    prepareCalibration("touch.touchSize.calibration", "pressure");
+    prepareCalibration("touch.toolSize.calibration", "linear");
+    prepareCalibration("touch.toolSize.linearScale", "10");
+    prepareCalibration("touch.toolSize.linearBias", "160");
+    prepareCalibration("touch.toolSize.isSummed", "1");
+    prepareCalibration("touch.pressure.calibration", "amplitude");
+    prepareCalibration("touch.pressure.source", "touch");
+    prepareCalibration("touch.pressure.scale", "0.01");
+    addMapperAndConfigure(mapper);
+
+    // These calculations are based on the input device calibration documentation.
+    // Note: We only provide a single common touch/tool value because the device is assumed
+    //       not to emit separate values for each pointer (isSummed = 1).
+    int32_t rawX = 100;
+    int32_t rawY = 200;
+    int32_t rawX2 = 150;
+    int32_t rawY2 = 250;
+    int32_t rawTouchMajor = 60;
+    int32_t rawToolMajor = 5;
+
+    float x = toDisplayX(rawX);
+    float y = toDisplayY(rawY);
+    float x2 = toDisplayX(rawX2);
+    float y2 = toDisplayY(rawY2);
+    float pressure = float(rawTouchMajor) * 0.01f;
+    float size = float(rawToolMajor) / RAW_TOOL_MAX;
+    float tool = (float(rawToolMajor) * 10.0f + 160.0f) / 2;
+    float touch = min(tool * pressure, tool);
+
+    processPosition(mapper, rawX, rawY);
+    processTouchMajor(mapper, rawTouchMajor);
+    processToolMajor(mapper, rawToolMajor);
+    processMTSync(mapper);
+    processPosition(mapper, rawX2, rawY2);
+    processTouchMajor(mapper, rawTouchMajor);
+    processToolMajor(mapper, rawToolMajor);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_DOWN, args.action);
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_EQ(AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT),
+            args.action);
+    ASSERT_EQ(size_t(2), args.pointerCount);
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            x, y, pressure, size, touch, touch, tool, tool, 0));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[1],
+            x2, y2, pressure, size, touch, touch, tool, tool, 0));
+}
+
+TEST_F(MultiTouchInputMapperTest, Process_TouchToolPressureSizeAxes_AreaCalibration) {
+    MultiTouchInputMapper* mapper = new MultiTouchInputMapper(mDevice, DISPLAY_ID);
+    prepareDisplay(InputReaderPolicyInterface::ROTATION_0);
+    prepareAxes(POSITION | TOUCH | TOOL);
+    prepareCalibration("touch.touchSize.calibration", "pressure");
+    prepareCalibration("touch.toolSize.calibration", "area");
+    prepareCalibration("touch.toolSize.areaScale", "22");
+    prepareCalibration("touch.toolSize.areaBias", "1");
+    prepareCalibration("touch.toolSize.linearScale", "9.2");
+    prepareCalibration("touch.toolSize.linearBias", "3");
+    prepareCalibration("touch.pressure.calibration", "amplitude");
+    prepareCalibration("touch.pressure.source", "touch");
+    prepareCalibration("touch.pressure.scale", "0.01");
+    addMapperAndConfigure(mapper);
+
+    // These calculations are based on the input device calibration documentation.
+    int32_t rawX = 100;
+    int32_t rawY = 200;
+    int32_t rawTouchMajor = 60;
+    int32_t rawToolMajor = 5;
+
+    float x = toDisplayX(rawX);
+    float y = toDisplayY(rawY);
+    float pressure = float(rawTouchMajor) * 0.01f;
+    float size = float(rawToolMajor) / RAW_TOOL_MAX;
+    float tool = sqrtf(float(rawToolMajor) * 22.0f + 1.0f) * 9.2f + 3.0f;
+    float touch = min(tool * pressure, tool);
+
+    processPosition(mapper, rawX, rawY);
+    processTouchMajor(mapper, rawTouchMajor);
+    processToolMajor(mapper, rawToolMajor);
+    processMTSync(mapper);
+    processSync(mapper);
+
+    FakeInputDispatcher::NotifyMotionArgs args;
+    ASSERT_NO_FATAL_FAILURE(mFakeDispatcher->assertNotifyMotionWasCalled(&args));
+    ASSERT_NO_FATAL_FAILURE(assertPointerCoords(args.pointerCoords[0],
+            x, y, pressure, size, touch, touch, tool, tool, 0));
+}
+
+} // namespace android
diff --git a/native/include/android/input.h b/native/include/android/input.h
index 5580700..7df13c3 100644
--- a/native/include/android/input.h
+++ b/native/include/android/input.h
@@ -306,6 +306,8 @@
     AINPUT_SOURCE_MOUSE = 0x00002000 | AINPUT_SOURCE_CLASS_POINTER,
     AINPUT_SOURCE_TRACKBALL = 0x00010000 | AINPUT_SOURCE_CLASS_NAVIGATION,
     AINPUT_SOURCE_TOUCHPAD = 0x00100000 | AINPUT_SOURCE_CLASS_POSITION,
+
+    AINPUT_SOURCE_ANY = 0xffffff00,
 };
 
 /*