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// |reftest| skip-if(!this.hasOwnProperty("Temporal"))
function assertDate(actual, {year, month, monthCode, day}) {
assertEq(actual.year, year);
assertEq(actual.month, month);
assertEq(actual.monthCode, monthCode);
assertEq(actual.day, day);
}
function assertYearMonth(actual, {year, month, monthCode}) {
assertEq(actual.year, year);
assertEq(actual.month, month);
assertEq(actual.monthCode, monthCode);
}
const dates = [
{
// Minimum valid ISO date: -271821 April, 19
date: new Temporal.PlainDate(-271821, 4, 19),
calendars: {
chinese: {
date: {year: -271821, monthCode: "M03", month: 3, day: 17},
yearmonth: {year: -271821, monthCode: "M02", month: 2},
},
dangi: {
date: {year: -271821, monthCode: "M03", month: 3, day: 17},
yearmonth: {year: -271821, monthCode: "M02", month: 2},
},
}
},
{
// Maximum valid ISO date: 275760 September, 13
date: new Temporal.PlainDate(275760, 9, 13),
calendars: {
chinese: {
date: {year: 275760, monthCode: "M07", month: 7, day: 30},
yearmonth: {year: 275760, monthCode: "M07", month: 7},
},
dangi: {
date: {year: 275760, monthCode: "M07", month: 7, day: 30},
yearmonth: {year: 275760, monthCode: "M07", month: 7},
},
}
}
];
for (let {date, calendars} of dates) {
for (let [calendar, expected] of Object.entries(calendars)) {
// From plain date in target calendar.
assertDate(new Temporal.PlainDate(date.year, date.month, date.day, calendar), expected.date);
// From ISO plain date, change calendar using |withCalendar|.
assertDate(date.withCalendar(calendar), expected.date);
// PlainDate.from using ordinal month.
assertDate(Temporal.PlainDate.from({
calendar,
year: expected.date.year,
month: expected.date.month,
day: expected.date.day,
}), expected.date);
// PlainDate.from using month code.
assertDate(Temporal.PlainDate.from({
calendar,
year: expected.date.year,
monthCode: expected.date.monthCode,
day: expected.date.day,
}), expected.date);
// From plain year-month in target calendar.
assertYearMonth(new Temporal.PlainYearMonth(date.year, date.month, calendar), expected.yearmonth);
// From ISO plain year-month, change calendar using |withCalendar|.
assertYearMonth(date.withCalendar(calendar).toPlainYearMonth(), expected.date);
// |PlainYearMonth.from| near the minimum valid range creates an invalid result per spec.
if (date.year < 0) {
continue;
}
// PlainYearMonth.from using ordinal month.
assertYearMonth(Temporal.PlainYearMonth.from({
calendar,
year: expected.yearmonth.year,
month: expected.yearmonth.month,
}), expected.yearmonth);
// PlainYearMonth.from using month code.
assertYearMonth(Temporal.PlainYearMonth.from({
calendar,
year: expected.yearmonth.year,
monthCode: expected.yearmonth.monthCode,
}), expected.yearmonth);
}
}
if (typeof reportCompare === "function")
reportCompare(true, true);