test262/test/built-ins/Temporal/ZonedDateTime/calendar-undefined.js

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// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime
description: Calendar argument defaults to the built-in ISO 8601 calendar
features: [BigInt, Temporal]
---*/
const args = [957270896987654321n, new Temporal.TimeZone("UTC")];
Object.defineProperty(Temporal.Calendar, "from", {
get() {
throw new Test262Error("Should not get Calendar.from");
},
});
const explicit = new Temporal.ZonedDateTime(...args, undefined);
assert.sameValue(explicit.calendar.toString(), "iso8601");
const implicit = new Temporal.ZonedDateTime(...args);
assert.sameValue(implicit.calendar.toString(), "iso8601");