private static CalendarDay TweakBy(
this CalendarDay calendarDay,
int amount,
CalendarDayComponent componentToTweak)
{
if (componentToTweak == CalendarDayComponent.Day)
{
var updatedDateTime = calendarDay.ToDateTime().AddDays(amount);
var result = new CalendarDay(updatedDateTime.Year, (MonthOfYear)updatedDateTime.Month, (DayOfMonth)updatedDateTime.Day);
return(result);
}
if (componentToTweak == CalendarDayComponent.Month)
{
var updatedDateTime = calendarDay.ToDateTime().AddMonths(amount);
var result = new CalendarDay(updatedDateTime.Year, (MonthOfYear)updatedDateTime.Month, (DayOfMonth)updatedDateTime.Day);
return(result);
}
if (componentToTweak == CalendarDayComponent.Year)
{
var updatedDateTime = calendarDay.ToDateTime().AddYears(amount);
var result = new CalendarDay(updatedDateTime.Year, (MonthOfYear)updatedDateTime.Month, (DayOfMonth)updatedDateTime.Day);
return(result);
}
throw new NotSupportedException("this calendar day component is not supported: " + componentToTweak);
}
public static void GetUnitsToDate___Should_return_all_days_from_january_1_to_lastUnitOfTimeInYear___When_lastUnitOfTimeInYear_is_of_type_CalendarDay()
{
// Arrange
var lastUnitOfTimeInYear1 = new CalendarDay(2016, MonthOfYear.March, DayOfMonth.One);
var lastUnitOfTimeInYear2 = new CalendarDay(2016, MonthOfYear.January, DayOfMonth.One);
var expectedUnitsToDate1 = new List <CalendarDay>();
for (var date = new DateTime(2016, 1, 1); date <= lastUnitOfTimeInYear1.ToDateTime(); date = date.AddDays(1))
{
expectedUnitsToDate1.Add(date.ToCalendarDay());
}
var expectedUnitsToDate2 = new List <CalendarDay> {
lastUnitOfTimeInYear2
};
// Act
var actualUnitsToDate1 = lastUnitOfTimeInYear1.GetUnitsToDate();
var actualUnitsToDate2 = lastUnitOfTimeInYear2.GetUnitsToDate();
// Assert
actualUnitsToDate1.Should().Equal(expectedUnitsToDate1);
actualUnitsToDate2.Should().Equal(expectedUnitsToDate2);
}
public static void ToDateTime___Should_return_DateTime_version_of_CalendarDay_with_DateTimeKind_Unspecified___When_called()
{
// Arrange
var systemUnderTest1 = A.Dummy <CalendarDay>();
var systemUnderTest2 = new CalendarDay(2017, MonthOfYear.November, DayOfMonth.Thirty);
var expectedDateTime1 = new DateTime(systemUnderTest1.Year, (int)systemUnderTest1.MonthOfYear, (int)systemUnderTest1.DayOfMonth);
var expectedDateTime2 = new DateTime(2017, 11, 30);
// Act
var dateTime1 = systemUnderTest1.ToDateTime();
var dateTime2 = systemUnderTest2.ToDateTime();
// Assert
dateTime1.AsTest().Must().BeEqualTo(expectedDateTime1);
dateTime1.Kind.AsTest().Must().BeEqualTo(DateTimeKind.Unspecified);
dateTime2.AsTest().Must().BeEqualTo(expectedDateTime2);
dateTime2.Kind.AsTest().Must().BeEqualTo(DateTimeKind.Unspecified);
}