diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 32f9b69..cedda6e 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -266,6 +266,11 @@
         mPointerCaptureEnabled.reset();
     }
 
+    void assertDropTargetEquals(const sp<IBinder>& targetToken) {
+        std::scoped_lock lock(mLock);
+        ASSERT_EQ(targetToken, mDropTargetWindowToken);
+    }
+
 private:
     std::mutex mLock;
     std::unique_ptr<InputEvent> mFilteredEvent GUARDED_BY(mLock);
@@ -284,6 +289,8 @@
     std::queue<int32_t> mResponsiveMonitorPids GUARDED_BY(mLock);
     std::condition_variable mNotifyAnr;
 
+    sp<IBinder> mDropTargetWindowToken GUARDED_BY(mLock);
+
     void notifyConfigurationChanged(nsecs_t when) override {
         std::scoped_lock lock(mLock);
         mConfigurationChangedTime = when;
@@ -392,6 +399,11 @@
         mPointerCaptureChangedCondition.notify_all();
     }
 
+    void notifyDropWindow(const sp<IBinder>& token, float x, float y) override {
+        std::scoped_lock lock(mLock);
+        mDropTargetWindowToken = token;
+    }
+
     void assertFilterInputEventWasCalled(int type, nsecs_t eventTime, int32_t action,
                                          int32_t displayId) {
         std::scoped_lock lock(mLock);
@@ -4789,4 +4801,36 @@
     mSecondWindow->assertNoEvents();
 }
 
+TEST_F(InputDispatcherDragTests, DragAndDrop) {
+    performDrag();
+
+    // Move on window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN,
+                                ADISPLAY_ID_DEFAULT, {50, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionMove(ADISPLAY_ID_DEFAULT);
+    mWindow->consumeDragEvent(false, 50, 50);
+    mSecondWindow->assertNoEvents();
+
+    // Move to another window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionEvent(mDispatcher, AMOTION_EVENT_ACTION_MOVE, AINPUT_SOURCE_TOUCHSCREEN,
+                                ADISPLAY_ID_DEFAULT, {150, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionMove(ADISPLAY_ID_DEFAULT);
+    mWindow->consumeDragEvent(true, 150, 50);
+    mSecondWindow->consumeDragEvent(false, 50, 50);
+
+    // drop to another window.
+    ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
+              injectMotionUp(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
+                             {150, 50}))
+            << "Inject motion event should return InputEventInjectionResult::SUCCEEDED";
+    mDragWindow->consumeMotionUp(ADISPLAY_ID_DEFAULT);
+    mFakePolicy->assertDropTargetEquals(mSecondWindow->getToken());
+    mWindow->assertNoEvents();
+    mSecondWindow->assertNoEvents();
+}
+
 } // namespace android::inputdispatcher