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// |reftest| skip-if(!this.hasOwnProperty("Intl"))
// ECMA-402 includes mapping of legacy variants, as long as they're also present
// in <variantAlias> in CLDR's supplementalMetadata.xml
// <https://www.unicode.org/reports/tr35/#Legacy_Variants>
assertEq(Intl.getCanonicalLocales("sv-AALAND")[0], "sv-AX");
assertEq(Intl.getCanonicalLocales("no-BOKMAL")[0], "nb");
assertEq(Intl.getCanonicalLocales("no-NYNORSK")[0], "nn");
assertEq(Intl.getCanonicalLocales("en-POSIX")[0], "en-posix");
assertEq(Intl.getCanonicalLocales("el-POLYTONI")[0], "el-polyton");
assertEq(Intl.getCanonicalLocales("aa-SAAHO")[0], "ssy");
// Additional cases from CLDR, version 38.
assertEq(Intl.getCanonicalLocales("aar-saaho")[0], "ssy");
assertEq(Intl.getCanonicalLocales("arm-arevmda")[0], "hyw");
assertEq(Intl.getCanonicalLocales("hy-arevmda")[0], "hyw");
assertEq(Intl.getCanonicalLocales("hye-arevmda")[0], "hyw");
for (let language of ["chi", "cmn", "zh", "zho"]) {
assertEq(Intl.getCanonicalLocales(language)[0], "zh");
let mapping = {
"guoyu-hakka": "hak",
"guoyu-xiang": "hsn",
"guoyu": "zh",
"hakka": "hak",
"xiang": "hsn",
};
for (let [variant, canonical] of Object.entries(mapping)) {
assertEq(Intl.getCanonicalLocales(`${language}-${variant}`)[0], canonical);
}
}
// Most legacy variant subtags are simply removed in contexts they don't apply.
for (let variant of ["arevela", "arevmda", "bokmal", "hakka", "lojban", "nynorsk", "saaho", "xiang"]) {
assertEq(Intl.getCanonicalLocales(`en-${variant}`)[0], "en");
}
// Except these three, whose replacement is always applied.
assertEq(Intl.getCanonicalLocales("en-aaland")[0], "en-AX");
assertEq(Intl.getCanonicalLocales("en-heploc")[0], "en-alalc97");
assertEq(Intl.getCanonicalLocales("en-polytoni")[0], "en-polyton");
if (typeof reportCompare === "function")
reportCompare(true, true);
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