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27f0104bc6
Each from() method except Calendar and TimeZone should test that when you pass an instance of that type, the return value is a clone of that instance, and a distinct object. These tests existed already for some types; regularize them and add the ones that didn't exist yet. In order to test the referenceISODay of a PlainYearMonth we add an argument to TemporalHelpers.assertPlainYearMonth.
22 lines
789 B
JavaScript
22 lines
789 B
JavaScript
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-temporal.zoneddatetime.from
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description: A ZonedDateTime object is copied, not returned directly
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features: [Temporal]
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---*/
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const orig = new Temporal.ZonedDateTime(946684800_000_000_010n, new Temporal.TimeZone("UTC"));
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const result = Temporal.ZonedDateTime.from(orig);
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assert.sameValue(result.epochNanoseconds, 946684800_000_000_010n, "ZonedDateTime is copied");
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assert.sameValue(result.timeZone, orig.timeZone, "time zone is the same");
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assert.sameValue(result.calendar, orig.calendar, "calendar is the same");
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assert.notSameValue(
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result,
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orig,
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"When a ZonedDateTime is given, the returned value is not the original ZonedDateTime"
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);
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