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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.
26 lines
720 B
JavaScript
26 lines
720 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.plainyearmonth.from
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description: A PlainYearMonth object is copied, not returned directly
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includes: [temporalHelpers.js]
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features: [Temporal]
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---*/
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const orig = new Temporal.PlainYearMonth(2000, 5, undefined, 7);
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const result = Temporal.PlainYearMonth.from(orig);
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TemporalHelpers.assertPlainYearMonth(
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result,
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2000, 5, "M05",
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"PlainYearMonth is copied",
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/* era = */ undefined, /* eraYear = */ undefined, /* isoDay = */ 7
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);
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assert.notSameValue(
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result,
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orig,
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"When a PlainYearMonth is given, the returned value is not the original PlainYearMonth"
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);
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