public void IsTollFreeDate_PublicHoliday_ReturnsTrue()
{
IHolidayLookup holidayLookup = Substitute.For <IHolidayLookup>();
var date = new DateTime(2017, 11, 27);
holidayLookup.IsPublicHoliday(date).Returns(true);
var tollFeeCalculator = new TollFeeCalculator(holidayLookup);
tollFeeCalculator.IsTollFreeDate(date).ShouldBeTrue();
}
public TollFeeCalculator(IHolidayLookup holidayLookup)
{
this.holidayLookup = holidayLookup ?? throw new ArgumentNullException(nameof(holidayLookup));
}