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// |reftest| shell-option(--enable-temporal) skip-if(!this.hasOwnProperty("Temporal"))
// Lunisolar/lunar calendars can't accurately predict celestial orbits for dates
// far into the past/future.
//
const calendarsNotSupportingLargeDates = new Set([
"chinese",
"dangi",
"islamic",
"islamic-rgsa",
"islamic-umalqura",
]);
const minDate = new Temporal.PlainDate(-271821, 4, 19);
const maxDate = new Temporal.PlainDate(275760, 9, 13);
for (let calendar of Intl.supportedValuesOf("calendar")) {
// Skip this calendar when large dates are unsupported to avoid hitting
// assertions in ICU4X code.
if (calendarsNotSupportingLargeDates.has(calendar)) {
continue;
}
let min = minDate.withCalendar(calendar);
let max = maxDate.withCalendar(calendar);
assertEq(min.year < max.year, true);
}
if (typeof reportCompare === "function")
reportCompare(true, true);