public void Day_of_month_preference_validates_the_contructor_arg()
{
IPreference preferenceLessThanLowerBound = new DayOfMonthPreference(-1);
preferenceLessThanLowerBound.SendOnDate(new DateTime(2020, 1, 1)).ShouldBeTrue();
IPreference preferenceGreaterThanUpperBound = new DayOfMonthPreference(40);
preferenceGreaterThanUpperBound.SendOnDate(new DateTime(2020, 1, 28)).ShouldBeTrue();
}
public void Day_of_month_preference_determines_correct_result()
{
int preferenceDay = 5;
IPreference preference = new DayOfMonthPreference(preferenceDay);
for (int d = 1; d <= 28; d++)
{
if (d == preferenceDay)
{
preference.SendOnDate(new DateTime(2020, 1, d)).ShouldBeTrue($"Testing day {d} from preference {preferenceDay}");
}
else
{
preference.SendOnDate(new DateTime(2020, 1, d)).ShouldBeFalse($"Testing day {d} from preference {preferenceDay}");
}
}
}
public void Day_of_month_preference_Parse_Throws_Exceptions()
{
Should.Throw <FormatException>(() => DayOfMonthPreference.Parse("a"));
}
public void Day_of_month_preference_Parse_Works()
{
DayOfMonthPreference.Parse("21").ShouldBe(new DayOfMonthPreference(21));
DayOfMonthPreference.Parse("40").ShouldBe(new DayOfMonthPreference(28));
}
