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// |reftest| skip-if(!this.hasOwnProperty("Intl"))
// Per UTS 35, computing the canonical form for Unicode BCP 47 locale identifiers
// includes replacing deprecated variant mappings. The other UTS 35 canonicalisation
// algorithm ("BCP 47 Language Tag to Unicode BCP 47 Locale Identifier") doesn't
// support deprecated variant mappings.
// https://github.com/tc39/ecma402/issues/330
const languageTags = {
// The preferred value of "hy-arevela" is "hy" per CLDR.
"hy-arevela": "hy",
"hy-Armn-arevela": "hy-Armn",
"hy-AM-arevela": "hy-AM",
"hy-arevela-fonipa": "hy-fonipa",
"hy-fonipa-arevela": "hy-fonipa",
// The preferred value of "hy-arevmda" is "hyw" per CLDR.
"hy-arevmda": "hyw",
"hy-Armn-arevmda": "hyw-Armn",
"hy-AM-arevmda": "hyw-AM",
"hy-arevmda-fonipa": "hyw-fonipa",
"hy-fonipa-arevmda": "hyw-fonipa",
// The preferred value of "ja-Latn-hepburn-heploc" is "ja-Latn-alalc97" per CLDR and
// IANA.
"ja-Latn-hepburn-heploc": "ja-Latn-alalc97",
"ja-Latn-JP-hepburn-heploc": "ja-Latn-JP-alalc97",
// Variant subtag replacements not present in IANA.
"sv-aaland": "sv-AX",
"el-polytoni": "el-polyton",
// Additional cases when more variant subtags are present.
// 1. The preferred variant is already present.
"ja-Latn-alalc97-hepburn-heploc": "ja-Latn-alalc97",
"ja-Latn-hepburn-alalc97-heploc": "ja-Latn-alalc97",
"ja-Latn-hepburn-heploc-alalc97": "ja-Latn-alalc97",
// 2. The variant subtags aren't in the expected order per IANA. (CLDR doesn't care
// about the order of variant subtags.)
"ja-Latn-heploc-hepburn": "ja-Latn-alalc97",
// 3. IANA expects both variant subtags to be present, CLDR also accepts single "heploc".
"ja-Latn-heploc": "ja-Latn-alalc97",
// 4. Test for cases when the same variant subtag position needs to be checked more
// than once when replacing deprecated variant subtags.
"ja-Latn-aaland-heploc": "ja-Latn-AX-alalc97",
"ja-Latn-heploc-polytoni": "ja-Latn-alalc97-polyton",
};
for (let [tag, canonical] of Object.entries(languageTags)) {
assertEq(Intl.getCanonicalLocales(tag)[0], canonical);
}
if (typeof reportCompare === "function")
reportCompare(0, 0);
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