public void auto_set_mode()
{
var subDevice = Substitute.For <IHOTASDevice>();
var buttonMap = new ObservableCollection <IHotasBaseMap>();
buttonMap.Add(new HOTASButton()
{
ShiftModePage = 43
});
subDevice.IsDeviceLoaded.Returns(true);
subDevice.ButtonMap.Returns(buttonMap);
subDevice.GetButtonState(Arg.Any <int>()).Returns(true);
var subDeviceFactory = Substitute.For <HOTASDeviceFactory>();
subDeviceFactory.CreateHOTASDevice(Arg.Any <IDirectInput>(), Arg.Any <Guid>(), Arg.Any <Guid>(), Arg.Any <string>(), Arg.Any <IHOTASQueue>()).Returns(subDevice);
var list = new HOTASCollection(Substitute.For <DirectInputFactory>(), Substitute.For <JoystickFactory>(), Substitute.For <HOTASQueueFactory>(Substitute.For <IKeyboard>()), subDeviceFactory);
list.Mode = 1;
list.AddDevice(subDevice);
list.ListenToAllDevices();
list.AutoSetMode();
Assert.Equal(43, list.Mode);
}