public void IsNull_DirectionStrategy(string command)
{
IDirectionContextStrategy directionContextStrategy = new DirectionContextStrategy();
directionContextStrategy.SetCommand(command);
IDirectionStrategy directionStrategy = directionContextStrategy.GetDirection();
Assert.Null(directionStrategy);
}
public void IsThrowArgumentOutOfRangeException_Coordinate_X_and_Y_Minus(string command)
{
IDirectionContextStrategy directionContextStrategy = new DirectionContextStrategy();
Assert.Throws <ArgumentNullException>(() => directionContextStrategy.SetCommand(command));
}
