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4ba104a21c
Adds a test that verifies that Intl.supportedValuesOf('timeZones')
includes those timezones those don't correspond to any continent. This
includes the oceanic Etc/* timezones and UTC.
Fixes: https://github.com/tc39/ecma402/issues/778
60 lines
1.5 KiB
JavaScript
60 lines
1.5 KiB
JavaScript
// Copyright 2025 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-availableprimarytimezoneidentifiers
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description: >
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AvailablePrimaryTimeZoneIdentifiers doesn't perform any kind of filtering on
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the time zone IDs returned therefore time zone IDs for time zones that don't
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correspond to any continent like the Etc/* timezones as well as UTC should be
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included in this list.
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info: |
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6.5.3 AvailablePrimaryTimeZoneIdentifiers ( )
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1. Let records be AvailableNamedTimeZoneIdentifiers().
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2. Let result be a new empty List.
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3. For each element timeZoneIdentifierRecord of records, do
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a. If timeZoneIdentifierRecord.[[Identifier]] is timeZoneIdentifierRecord.[[PrimaryIdentifier]], then
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i. Append timeZoneIdentifierRecord.[[Identifier]] to result.
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4. Return result.
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features: [Intl-enumeration]
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---*/
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const nonContinentalTimeZones = [
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"Etc/GMT+1",
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"Etc/GMT+2",
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"Etc/GMT+3",
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"Etc/GMT+4",
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"Etc/GMT+5",
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"Etc/GMT+6",
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"Etc/GMT+7",
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"Etc/GMT+8",
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"Etc/GMT+9",
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"Etc/GMT+10",
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"Etc/GMT+11",
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"Etc/GMT+12",
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"Etc/GMT-1",
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"Etc/GMT-2",
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"Etc/GMT-3",
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"Etc/GMT-4",
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"Etc/GMT-5",
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"Etc/GMT-6",
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"Etc/GMT-7",
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"Etc/GMT-8",
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"Etc/GMT-9",
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"Etc/GMT-10",
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"Etc/GMT-11",
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"Etc/GMT-12",
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"Etc/GMT-13",
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"Etc/GMT-14",
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"UTC",
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];
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const supportedTimeZones = Intl.supportedValuesOf("timeZone");
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for (const tz of nonContinentalTimeZones) {
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assert(
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supportedTimeZones.includes(tz),
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`non-continental timezone ${tz} is not supported`,
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);
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}
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