Fix `toLowerCase`/`toUpperCase` on `Locale.ROOT`

konsoletyper / teavm

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Fix `toLowerCase`/`toUpperCase` on `Locale.ROOT` #862

Closed SquidDev closed 7 months ago

SquidDev commented 7 months ago

Locale.ROOT.toLanguageTag() currently evaluates to an empty string, rather than the expected "und", which errors when passed to toLocaleLowerCase.

konsoletyper commented 7 months ago

I believe, this case should also be covered in LocaleTest