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// Copyright 2024 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-createdatetimeformat
description: Tests that the time zone names "Etc/UTC", "Etc/GMT", and "GMT" all resolve to "UTC".
info: |
CreateDateTimeFormat ( dateTimeFormat, locales, options, required, default )
29. If IsTimeZoneOffsetString(timeZone) is true, then
...
30. Else,
a. Let timeZoneIdentifierRecord be GetAvailableNamedTimeZoneIdentifier(timeZone).
GetAvailableNamedTimeZoneIdentifier ( timeZoneIdentifier )
...
5. For each element identifier of identifiers, do
...
c. If primary is one of "Etc/UTC", "Etc/GMT", or "GMT", set primary to "UTC".
---*/
const utcIdentifiers = ["Etc/GMT", "Etc/UTC", "GMT"];
for (const timeZone of utcIdentifiers) {
assert.sameValue(new Intl.DateTimeFormat([], {timeZone}).resolvedOptions().timeZone, "UTC", "Time zone name " + timeZone + " not canonicalized to 'UTC'.");
}
reportCompare(0, 0);