public void BclEquivalence(
[ValueSource(typeof(BclCalendars), nameof(BclCalendars.MappedCalendars))] Calendar calendar,
[ValueSource(nameof(CalendarWeekRules))] CalendarWeekRule bclRule,
[ValueSource(nameof(BclDaysOfWeek))] DayOfWeek firstDayOfWeek)
{
var nodaCalendar = BclCalendars.CalendarSystemForCalendar(calendar);
var nodaRule = WeekYearRules.FromCalendarWeekRule(bclRule, firstDayOfWeek);
var startYear = new LocalDate(2016, 1, 1).WithCalendar(nodaCalendar).Year;
for (int year = startYear; year < startYear + 30; year++)
{
var startDate = new LocalDate(year, 1, 1, nodaCalendar).PlusDays(-15);
for (int day = 0; day < 30; day++)
{
var date = startDate.PlusDays(day);
var bclDate = date.ToDateTimeUnspecified();
var bclWeek = calendar.GetWeekOfYear(bclDate, bclRule, firstDayOfWeek);
// Weird... the BCL doesn't have a way of finding out which week-year we're in.
// We're starting at "start of year - 15 days", so a "small" week-of-year
// value means we're in "year", whereas a "large" week-of-year value means
// we're in the "year-1".
var bclWeekYear = bclWeek < 10 ? year : year - 1;
Assert.AreEqual(bclWeek, nodaRule.GetWeekOfWeekYear(date), "Date: {0}", date);
Assert.AreEqual(bclWeekYear, nodaRule.GetWeekYear(date), "Date: {0}", date);
Assert.AreEqual(date, nodaRule.GetLocalDate(bclWeekYear, bclWeek, date.IsoDayOfWeek, nodaCalendar),
"Week-year:{0}; Week: {1}; Day: {2}", bclWeekYear, bclWeek, date.IsoDayOfWeek);
}
}
}
public void BclThroughHistory()
{
Calendar bcl = BclCalendars.Persian;
CalendarSystem noda = BclCalendars.CalendarSystemForCalendar(bcl);
// Note: Noda Time stops in 9377, whereas the BCL goes into the start of 9378. This is because
// Noda Time ensures that the whole year is valid.
BclEquivalenceHelper.AssertEquivalent(bcl, noda);
}
public void GetWeeksInWeekYear(
[ValueSource(typeof(BclCalendars), nameof(BclCalendars.MappedCalendars))] Calendar calendar,
[ValueSource(nameof(CalendarWeekRules))] CalendarWeekRule bclRule,
[ValueSource(nameof(BclDaysOfWeek))] DayOfWeek firstDayOfWeek)
{
var nodaCalendar = BclCalendars.CalendarSystemForCalendar(calendar);
var nodaRule = WeekYearRules.FromCalendarWeekRule(bclRule, firstDayOfWeek);
var startYear = new LocalDate(2016, 1, 1).WithCalendar(nodaCalendar).Year;
for (int year = startYear; year < startYear + 30; year++)
{
var bclDate = new LocalDate(year + 1, 1, 1, nodaCalendar).PlusDays(-1).ToDateTimeUnspecified();
Assert.AreEqual(calendar.GetWeekOfYear(bclDate, bclRule, firstDayOfWeek),
nodaRule.GetWeeksInWeekYear(year, nodaCalendar), "Year {0}", year);
}
}