js/src/tests/test262/built-ins/Temporal/PlainYearMonth/prototype/toPlainDate/calendar-mergefields-called-with-null-prototype-fields.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.toplaindate
description: >
    Calendar.mergeFields method is called with null-prototype fields objects
includes: [temporalHelpers.js]
features: [Temporal]
---*/

const calendar = TemporalHelpers.calendarCheckMergeFieldsPrototypePollution();
const instance = new Temporal.PlainYearMonth(2000, 5, calendar);
instance.toPlainDate({ day: 24 });
assert.sameValue(calendar.mergeFieldsCallCount, 1, "mergeFields should have been called on the calendar");

reportCompare(0, 0);