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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
assertEquals(typeof Intl.DisplayNames.supportedLocalesOf, "function",
"Intl.DisplayNames.supportedLocalesOf should be a function");
var undef = Intl.DisplayNames.supportedLocalesOf();
assertEquals([], undef);
var empty = Intl.DisplayNames.supportedLocalesOf([]);
assertEquals([], empty);
var strLocale = Intl.DisplayNames.supportedLocalesOf('sr');
assertEquals('sr', strLocale[0]);
var multiLocale = ['sr-Thai-RS', 'de', 'zh-CN'];
assertEquals(multiLocale,
Intl.DisplayNames.supportedLocalesOf(multiLocale,
{localeMatcher: "lookup"}));
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