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 GetLocalDate_Invalid(
CalendarWeekRule bclRule, DayOfWeek firstDayOfWeek,
int weekYear, int week, IsoDayOfWeek dayOfWeek)
{
var nodaRule = WeekYearRules.FromCalendarWeekRule(bclRule, firstDayOfWeek);
Assert.Throws <ArgumentOutOfRangeException>(() => nodaRule.GetLocalDate(weekYear, week, dayOfWeek));
}
public void RoundtripLastDayBcl(
[ValueSource(nameof(CalendarWeekRules))] CalendarWeekRule bclRule,
[ValueSource(nameof(BclDaysOfWeek))] DayOfWeek firstDayOfWeek)
{
var rule = WeekYearRules.FromCalendarWeekRule(bclRule, firstDayOfWeek);
var date = new LocalDate(9999, 12, 31);
Assert.AreEqual(date, rule.GetLocalDate(
rule.GetWeekYear(date),
rule.GetWeekOfWeekYear(date),
date.IsoDayOfWeek));
}
// We might want to add more tests here...
public void NonMondayFirstDayOfWeek(int minDaysInFirstWeek, IsoDayOfWeek firstDayOfWeek,
int weekYear, int week, IsoDayOfWeek dayOfWeek,
int expectedYear, int expectedMonth, int expectedDay)
{
var rule = WeekYearRules.ForMinDaysInFirstWeek(minDaysInFirstWeek, firstDayOfWeek);
var actual = rule.GetLocalDate(weekYear, week, dayOfWeek);
var expected = new LocalDate(expectedYear, expectedMonth, expectedDay);
Assert.AreEqual(expected, actual);
Assert.AreEqual(weekYear, rule.GetWeekYear(actual));
Assert.AreEqual(week, rule.GetWeekOfWeekYear(actual));
}
public void RoundtripLastDay_Iso1()
{
// In the Gregorian calendar with a minimum of 1 day in the first
// week, Friday December 31st 9999 is in week year 10000. We should be able to
// round-trip.
var rule = WeekYearRules.ForMinDaysInFirstWeek(1);
var date = new LocalDate(9999, 12, 31);
Assert.AreEqual(date, rule.GetLocalDate(
rule.GetWeekYear(date),
rule.GetWeekOfWeekYear(date),
date.IsoDayOfWeek));
}
public void RoundtripFirstDay_Iso7()
{
// In the Gregorian calendar with a minimum of 7 days in the first
// week, Tuesday January 1st -9998 is in week year -9999. We should be able to
// round-trip.
var rule = WeekYearRules.ForMinDaysInFirstWeek(7);
var date = new LocalDate(-9998, 1, 1);
Assert.AreEqual(date, rule.GetLocalDate(
rule.GetWeekYear(date),
rule.GetWeekOfWeekYear(date),
date.IsoDayOfWeek));
}
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);
}
}
public void Gregorian(int year, IsoDayOfWeek firstDayOfYear, int maxMinDaysInFirstWeekForSameWeekYear)
{
var startOfCalendarYear = new LocalDate(year, 1, 1);
Assert.AreEqual(firstDayOfYear, startOfCalendarYear.IsoDayOfWeek);
// Rules which put the first day of the calendar year into the same week year
for (int i = 1; i <= maxMinDaysInFirstWeekForSameWeekYear; i++)
{
var rule = WeekYearRules.ForMinDaysInFirstWeek(i);
Assert.AreEqual(year, rule.GetWeekYear(startOfCalendarYear));
Assert.AreEqual(1, rule.GetWeekOfWeekYear(startOfCalendarYear));
}
// Rules which put the first day of the calendar year into the previous week year
for (int i = maxMinDaysInFirstWeekForSameWeekYear + 1; i <= 7; i++)
{
var rule = WeekYearRules.ForMinDaysInFirstWeek(i);
Assert.AreEqual(year - 1, rule.GetWeekYear(startOfCalendarYear));
Assert.AreEqual(rule.GetWeeksInWeekYear(year - 1), rule.GetWeekOfWeekYear(startOfCalendarYear));
}
}
public void UnsupportedCalendarWeekRule()
{
Assert.Throws <ArgumentException>(() => WeekYearRules.FromCalendarWeekRule(CalendarWeekRule.FirstDay + 1000, DayOfWeek.Monday));
}
