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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// Copyright (C) 2024 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindate.prototype.weekofyear
description: >
Temporal.PlainDate.prototype.weekOfYear returns undefined for all
non-ISO calendars without a well-defined week numbering system.
features: [Temporal]
---*/
// Gregorian calendar has a well defined week-numbering system.
let calendar = new Temporal.Calendar("gregory");
const date = new Temporal.PlainDate(2024, 1, 1, calendar);
assert.sameValue(date.weekOfYear, 1);
calendar = new Temporal.Calendar("hebrew");
const nonisodate = new Temporal.PlainDate(2024, 1, 1, calendar);
assert.sameValue(nonisodate.weekOfYear, undefined);
reportCompare(0, 0);
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