public void TryCloseClosesIScreenState()
{
var screen = new Mock <IScreenState>();
ScreenExtensions.TryClose(screen.Object);
screen.Verify(x => x.Close());
}
public void TryCloseDoesNothingToNonIScreenState()
{
var screen = new Mock <IGuardClose>(MockBehavior.Strict);
ScreenExtensions.TryClose(screen.Object);
}