public void WheelDownTest() { sender.WheelDown(); Assert.AreEqual(keyboardEvents.Count, 0); Assert.AreEqual(mouseEvents.Count, 1); Assert.AreEqual(mouseEvents[0].Item1, LowLevelMouseHook.Event.WM_MOUSEWHEEL); Assert.AreEqual(mouseEvents[0].Item2.mouseData.asWheelDelta.delta, -120); }