mirror of https://github.com/tc39/test262.git
20 lines
942 B
JavaScript
20 lines
942 B
JavaScript
// Copyright 2022 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.DurationFormat.supportedLocalesOf
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description: Tests that Intl.DurationFormat has a supportedLocalesOf property, and it works as expected.
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features: [Intl.DurationFormat]
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---*/
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assert.sameValue(typeof Intl.DurationFormat.supportedLocalesOf, "function",
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"supportedLocalesOf should be supported.");
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const defaultLocale = new Intl.DurationFormat().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.DurationFormat.supportedLocalesOf(requestedLocales);
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assert.sameValue(supportedLocales.length, 1, "The length of the supported locales list should be 1");
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assert.sameValue(supportedLocales[0], defaultLocale, "The default locale is returned in the supported list.");
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