mirror of https://github.com/tc39/test262.git
22 lines
986 B
JavaScript
22 lines
986 B
JavaScript
// Copyright 2018 Google Inc., Igalia S.L. 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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esid: sec-Intl.RelativeTimeFormat.supportedLocalesOf
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description: >
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Tests that Intl.RelativeTimeFormat has a supportedLocalesOf property,
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and it works as planned.
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features: [Intl.RelativeTimeFormat]
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---*/
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assert.sameValue(typeof Intl.RelativeTimeFormat.supportedLocalesOf, "function",
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"supportedLocalesOf should be supported.");
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const defaultLocale = new Intl.RelativeTimeFormat().resolvedOptions().locale;
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const notSupported = 'zxx'; // "no linguistic content"
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const requestedLocales = [defaultLocale, notSupported];
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const supportedLocales = Intl.RelativeTimeFormat.supportedLocalesOf(requestedLocales);
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assert.sameValue(supportedLocales.length, 1, 'The length of supported locales list is not 1.');
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assert.sameValue(supportedLocales[0], defaultLocale, 'The default locale is not returned in the supported list.');
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