js/src/tests/test262/built-ins/Temporal/PlainYearMonth/prototype/until/mixed-calendar-invalid.js


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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-temporal.plainyearmonth.prototype.until
description: Mixed calendars throw as invalid
features: [Temporal]
---*/

class customCal extends Temporal.Calendar {
  constructor () {
    super('iso8601');
  }

  get id() {
    return "I am a secret cal.";
  }
}

const ym1 = new Temporal.PlainYearMonth(2000, 1);
const ym2 = new Temporal.PlainYearMonth(2000, 1, new customCal());

assert.throws(RangeError, () => ym1.until(ym2), 'until throws with different calendars');

reportCompare(0, 0);