mirror of https://github.com/tc39/test262.git
29 lines
935 B
JavaScript
29 lines
935 B
JavaScript
// Copyright 2012 Google Inc. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/**
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* @description Tests that Intl.DateTimeFormat has a supportedLocalesOf
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* property, and it works as planned.
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* @author: Roozbeh Pournader
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*/
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var defaultLocale = new Intl.DateTimeFormat().resolvedOptions().locale;
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var notSupported = 'zxx'; // "no linguistic content"
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var requestedLocales = [defaultLocale, notSupported];
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var supportedLocales;
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if (!Intl.DateTimeFormat.hasOwnProperty('supportedLocalesOf')) {
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$ERROR("Intl.DateTimeFormat doesn't have a supportedLocalesOf property.");
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}
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supportedLocales = Intl.DateTimeFormat.supportedLocalesOf(requestedLocales);
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if (supportedLocales.length !== 1) {
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$ERROR('The length of supported locales list is not 1.');
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}
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if (supportedLocales[0] !== defaultLocale) {
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$ERROR('The default locale is not returned in the supported list.');
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}
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