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Temporal: Add test for date with offset transition (#4301) 

Co-authored-by: Philip Chimento <philip.chimento@gmail.com>
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Tim Chevalier 2024-11-01 13:43:05 -07:00 committed by GitHub
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19
test/intl402/Temporal/ZonedDateTime/prototype/hoursInDay/same-date-starts-twice.js vendored Normal file
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// Copyright (C) 2024 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.hoursinday
description: Handles dates with offset transitions where midnight occurs twice.
features: [Temporal]
---*/
// Test date with offset transition where the same day starts twice
// See https://github.com/tc39/proposal-temporal/issues/2938 for more details
const zdt1 = Temporal.ZonedDateTime.from('2010-11-06T00:00:00-02:30[America/St_Johns]');
const zdt2 = Temporal.ZonedDateTime.from('2010-11-07T23:00:00-03:30[America/St_Johns]');
const zdt3 = Temporal.ZonedDateTime.from('2010-11-08T23:00:00-03:30[America/St_Johns]');
assert.sameValue(zdt1.hoursInDay, 24);
assert.sameValue(zdt2.hoursInDay, 25);
assert.sameValue(zdt3.hoursInDay, 24);

23
test/intl402/Temporal/ZonedDateTime/prototype/startOfDay/same-date-starts-twice.js vendored Normal file
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// Copyright (C) 2024 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.startofday
description: Handles dates with offset transitions where midnight occurs twice.
includes: [temporalHelpers.js]
features: [Temporal]
---*/
// Test date with offset transition where the same day starts twice
// See https://github.com/tc39/proposal-temporal/issues/2938 for more details
const zdt1 = Temporal.ZonedDateTime.from('2010-11-06T00:00:00-02:30[America/St_Johns]');
const zdt2 = Temporal.ZonedDateTime.from('2010-11-07T23:00:00-03:30[America/St_Johns]');
const zdt3 = Temporal.ZonedDateTime.from('2010-11-08T23:00:00-03:30[America/St_Johns]');
const startOfDay2 = Temporal.ZonedDateTime.from('2010-11-07T00:00:00-02:30[America/St_Johns]');
const startOfDay3 = Temporal.ZonedDateTime.from('2010-11-08T00:00:00-03:30[America/St_Johns]');
TemporalHelpers.assertZonedDateTimesEqual(zdt1.startOfDay(), zdt1);
TemporalHelpers.assertZonedDateTimesEqual(zdt2.startOfDay(), startOfDay2);
TemporalHelpers.assertZonedDateTimesEqual(zdt3.startOfDay(), startOfDay3);