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// |reftest| skip-if(!this.hasOwnProperty('Intl'))
const tests = {
"en": {
long: {
"Latn": "Latin",
"Hant": "Traditional Han",
"Hans": "Simplified Han",
"Cans": "Unified Canadian Aboriginal Syllabics",
},
short: {
"Hant": "Traditional",
"Hans": "Simplified",
"Cans": "UCAS",
},
narrow: {},
},
"de": {
long: {
"Latn": "Lateinisch",
"Hant": "Traditionelles Chinesisch",
"Hans": "Vereinfachtes Chinesisch",
},
short: {
"Hant": "Traditionell",
"Hans": "Vereinfacht",
},
narrow: {},
},
"fr": {
long: {
"Latn": "latin",
"Hant": "sinogrammes traditionnels",
"Hans": "sinogrammes simplifiés",
},
short: {
"Hant": "traditionnel",
"Hans": "simplifié",
},
narrow: {},
},
"zh": {
long: {
"Latn": "拉丁文",
"Hant": "繁体中文",
"Hans": "简体中文",
},
short: {
"Hant": "繁体",
"Hans": "简体",
},
narrow: {},
},
"ar": {
long: {
"Latn": "اللاتينية",
"Arab": "العربية",
"Hant": "الهان التقليدية",
"Hans": "الهان المبسطة",
},
short: {
"Hant": "التقليدية",
"Hans": "المبسطة",
},
narrow: {},
},
};
for (let [locale, localeTests] of Object.entries(tests)) {
for (let [style, styleTests] of Object.entries(localeTests)) {
let dn = new Intl.DisplayNames(locale, {type: "script", style});
let resolved = dn.resolvedOptions();
assertEq(resolved.locale, locale);
assertEq(resolved.style, style);
assertEq(resolved.type, "script");
assertEq(resolved.fallback, "code");
let inheritedTests = {...localeTests.long, ...localeTests.short, ...localeTests.narrow};
for (let [script, expected] of Object.entries({...inheritedTests, ...styleTests})) {
assertEq(dn.of(script), expected);
// Also works with objects.
assertEq(dn.of(Object(script)), expected);
}
}
}
{
let dn = new Intl.DisplayNames("en", {type: "script"});
// Performs ToString on the input and then validates the stringified result.
assertThrowsInstanceOf(() => dn.of(), RangeError);
assertThrowsInstanceOf(() => dn.of(Symbol()), TypeError);
assertThrowsInstanceOf(() => dn.of(0), RangeError);
// ToString(null) = "null", which passes `unicode_script_subtag`.
dn.of(null); // no error
// Throws an error if |code| can't be parsed as a `unicode_script_subtag` production.
assertThrowsInstanceOf(() => dn.of("latn-"), RangeError);
assertThrowsInstanceOf(() => dn.of("en-latn"), RangeError);
}
// Test fallback behaviour.
{
let dn1 = new Intl.DisplayNames("en", {type: "script"});
let dn2 = new Intl.DisplayNames("en", {type: "script", fallback: "code"});
let dn3 = new Intl.DisplayNames("en", {type: "script", fallback: "none"});
assertEq(dn1.resolvedOptions().fallback, "code");
assertEq(dn2.resolvedOptions().fallback, "code");
assertEq(dn3.resolvedOptions().fallback, "none");
// "Aaaa" is not a registered script code.
assertEq(dn1.of("Aaaa"), "Aaaa");
assertEq(dn2.of("Aaaa"), "Aaaa");
assertEq(dn3.of("Aaaa"), undefined);
// The returned fallback is in canonical case.
assertEq(dn1.of("aaaa"), "Aaaa");
assertEq(dn2.of("aaaa"), "Aaaa");
assertEq(dn3.of("aaaa"), undefined);
}
// Test when case isn't canonical.
{
let dn = new Intl.DisplayNames("en", {type: "script", fallback: "none"});
assertEq(dn.of("LATN"), "Latin");
}
if (typeof reportCompare === "function")
reportCompare(true, true);