Add test for HOVER_EXIT when another device is touched

When there's currently a hovering pointer, it should be canceled via
"HOVER_EXIT" whenever another device touches down (by sending
ACTION_DOWN).

Bug: 268683979
Test: m inputflinger_tests && $ANDROID_HOST_OUT/nativetest64/inputflinger_tests/inputflinger_tests
Merged-In: Ib839c8d6c1f949a5c7f62739b989aa9ec7481058
Change-Id: Ib839c8d6c1f949a5c7f62739b989aa9ec7481058
(cherry picked from commit ab5a4bc759a82ca54fc008561b1ba4377e52182c)
diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index bd9038d..cda677e 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -2490,7 +2490,7 @@
     const int32_t mouseDeviceId = 6;
     NotifyMotionArgs args;
 
-    // First touch pointer down on right window
+    // First touch pointer down
     mDispatcher->notifyMotion(&(
             args = MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
                            .deviceId(touchDeviceId)
@@ -3440,6 +3440,42 @@
 }
 
 /**
+ * If mouse is hovering when the touch goes down, the hovering should be stopped via HOVER_EXIT.
+ */
+TEST_F(InputDispatcherTest, TouchDownAfterMouseHover) {
+    std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();
+    sp<FakeWindowHandle> window =
+            sp<FakeWindowHandle>::make(application, mDispatcher, "Window", ADISPLAY_ID_DEFAULT);
+    window->setFrame(Rect(0, 0, 100, 100));
+
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {window}}});
+
+    const int32_t mouseDeviceId = 7;
+    const int32_t touchDeviceId = 4;
+    NotifyMotionArgs args;
+
+    // Start hovering with the mouse
+    mDispatcher->notifyMotion(
+            &(args = MotionArgsBuilder(ACTION_HOVER_ENTER, AINPUT_SOURCE_MOUSE)
+                             .deviceId(mouseDeviceId)
+                             .pointer(PointerBuilder(0, AMOTION_EVENT_TOOL_TYPE_MOUSE).x(10).y(10))
+                             .build()));
+    window->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_HOVER_ENTER), WithDeviceId(mouseDeviceId)));
+
+    // Touch goes down
+    mDispatcher->notifyMotion(
+            &(args = MotionArgsBuilder(ACTION_DOWN, AINPUT_SOURCE_TOUCHSCREEN)
+                             .deviceId(touchDeviceId)
+                             .pointer(PointerBuilder(0, AMOTION_EVENT_TOOL_TYPE_FINGER).x(50).y(50))
+                             .build()));
+
+    window->consumeMotionEvent(
+            AllOf(WithMotionAction(ACTION_HOVER_EXIT), WithDeviceId(mouseDeviceId)));
+    window->consumeMotionEvent(AllOf(WithMotionAction(ACTION_DOWN), WithDeviceId(touchDeviceId)));
+}
+
+/**
  * Inject a mouse hover event followed by a tap from touchscreen.
  * The tap causes a HOVER_EXIT event to be generated because the current event
  * stream's source has been switched.