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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// Copyright (C) 2021 the V8 project authors. All rights reserved.
// 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.calendar.prototype.mergefields
description: >
Temporal.Calendar.prototype.mergeFields will merge own data properties on its
arguments
info: |
1. Let calendar be the this value.
2. Perform ? RequireInternalSlot(calendar, [[InitializedTemporalCalendar]]).
3. Assert: calendar.[[Identifier]] is "iso8601".
4. Set fields to ? ToObject(fields).
5. Set additionalFields to ? ToObject(additionalFields).
6. Return ? DefaultMergeFields(fields, additionalFields).
features: [Temporal]
includes: [deepEqual.js]
---*/
const cal = new Temporal.Calendar("iso8601");
assert.deepEqual(
cal.mergeFields({ a: 1, b: 2 }, { c: 3, d: 4 }),
{ a: 1, b: 2, c: 3, d: 4 },
"properties are merged"
);
assert.deepEqual(
cal.mergeFields({ a: 1, b: 2 }, { b: 3, c: 4 }),
{ a: 1, b: 3, c: 4 },
"property in additionalFields should overwrite one in fields"
);
reportCompare(0, 0);
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