Allow alternative era for Chinese calendar

Year 1 in the Chinese calendar corresponds to 2637 BCE in ICU4X.

See <https://docs.rs/icu/latest/icu/calendar/chinese/struct.Chinese.html#year-and-era-codes>.
This commit is contained in:
André Bargull 2024-11-05 10:07:43 +01:00 committed by Philip Chimento
parent dacf5ff845
commit d124e1486c
1 changed files with 12 additions and 2 deletions

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@ -9,8 +9,18 @@ features: [Temporal]
// 2001 is a leap year in the Chinese calendar with a M04L leap month.
// Therefore, month: 6 is M05 in 2001 but M06 in 2000 which is not a leap year.
const one = Temporal.PlainDate.from({ year: 2000, month: 6, day: 1, calendar: 'chinese' });
const two = Temporal.PlainDate.from({ year: 2001, month: 6, day: 1, calendar: 'chinese' });
const year2000 = new Temporal.PlainDate(2000, 3, 1).withCalendar("chinese").year;
const year2001 = new Temporal.PlainDate(2001, 3, 1).withCalendar("chinese").year;
const one = Temporal.PlainDate.from({ year: year2000, month: 6, day: 1, calendar: 'chinese' });
const two = Temporal.PlainDate.from({ year: year2001, month: 6, day: 1, calendar: 'chinese' });
assert.sameValue(one.inLeapYear, false, "year 2000 is not a leap year");
assert.sameValue(one.monthCode, "M06", "sixth month in year 2000 has month code M06");
assert.sameValue(two.inLeapYear, true, "year 2001 is a leap year");
assert.sameValue(two.monthCode, "M05", "sixth month in year 2001 has month code M05");
const expected = { years: 'P12M', months: 'P12M', weeks: 'P50W4D', days: 'P354D' };