public void CalculateDemeritPoints_SpeedIsOutOfRange_ThrowArgumentOutOfRangeException()
{
var calculator = new DemeritPointsCalculator();
Assert.That(() => calculator.CalculateDemeritPoints(-1),
Throws.Exception.TypeOf <ArgumentOutOfRangeException>());
}
public void CalculateDemeritPoints_WhenCalled_ReturnDemeritPoints(int speed)
{
var calculator = new DemeritPointsCalculator();
var points = calculator.CalculateDemeritPoints(speed);
Assert.That(points, Is.EqualTo(expectedResult));
}