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// |reftest| skip-if(!this.hasOwnProperty('Intl'))
// Ensure alias and parent locales are correctly picked up when calling into ICU.
// "zh-HK" is an alias to "zh-Hant-HK", so display names should default to
// traditional instead of simplified characters.
{
const zh_Hant = new Intl.DisplayNames("zh-Hant", {type: "region"});
const zh_Hans = new Intl.DisplayNames("zh-Hans", {type: "region"});
const zh_HK = new Intl.DisplayNames("zh-HK", {type: "region"});
// We assume traditional and simplified have different outputs.
assertEq(zh_Hant.of("US") === zh_Hans.of("US"), false);
// "zh-HK" should use traditional characters.
assertEq(zh_HK.of("US"), zh_Hant.of("US"));
}
// The parent locale of "en-AU" is "en-001" and not "en" (because "en" actually means "en-US").
{
const en = new Intl.DisplayNames("en", {type: "language"});
const en_001 = new Intl.DisplayNames("en-001", {type: "language"});
const en_AU = new Intl.DisplayNames("en-AU", {type: "language"});
// We assume "en" and "en-001" have different outputs.
assertEq(en.of("nds-NL") === en_001.of("nds-NL"), false);
// "en-AU" should have the same output as "en-001".
assertEq(en_AU.of("nds-NL"), en_001.of("nds-NL"));
}
if (typeof reportCompare === "function")
reportCompare(true, true);
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