Three Finger Swipe

ash/wm/system_gesture_event_filter_unittest.cc

Index: ash/wm/system_gesture_event_filter_unittest.cc
diff --git a/ash/wm/system_gesture_event_filter_unittest.cc b/ash/wm/system_gesture_event_filter_unittest.cc
index 35c7596eac7c6506ad8c4610c4cdf85128b8ef5f..8e26aec587700321ff735bb796e6d531f5cbd629 100644
--- a/ash/wm/system_gesture_event_filter_unittest.cc
+++ b/ash/wm/system_gesture_event_filter_unittest.cc
@@ -47,4 +47,31 @@ TEST_F(SystemGestureEventFilterTest, TapOutsideRootWindow) {
   EXPECT_FALSE(consumed);
 }
 
+// Ensure that a three fingered swipe is consumed by the system event handler.
+TEST_F(SystemGestureEventFilterTest, ThreeFingerSwipe) {
+  aura::RootWindow* root_window = Shell::GetRootWindow();
+
+  const int kTouchId = 5;
+
+  // Get a target for kTouchId
+  aura::TouchEvent press(ui::ET_TOUCH_PRESSED, gfx::Point(100, 100), kTouchId,
+                         base::Time::NowFromSystemTime() - base::Time());
+  root_window->DispatchTouchEvent(&press);
+
+  aura::GestureEvent* event = new aura::GestureEvent(
+      ui::ET_GESTURE_THREE_FINGER_SWIPE, 0, 0, 0, base::Time::Now(),
+      0, 0, 1 << kTouchId);
+  bool consumed = root_window->DispatchGestureEvent(event);
+
+  EXPECT_TRUE(consumed);
+
+  // The system event filter shouldn't filter out events like tap downs.
+  aura::GestureEvent* event2 = new aura::GestureEvent(
+      ui::ET_GESTURE_TAP_DOWN, 0, 0, 0, base::Time::Now(),
+      0, 0, 1 << kTouchId);
+  consumed = root_window->DispatchGestureEvent(event2);
+
+  EXPECT_FALSE(consumed);
+}
+
 }  // namespace ash