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// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-Intl.DisplayNames
description: >
Throws TypeError if locales is not undefined, a string, or an array-like object.
info: |
Intl.DisplayNames ([ locales [ , options ]])
1. If NewTarget is undefined, throw a TypeError exception.
2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
« [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
3. Let requestedLocales be ? CanonicalizeLocaleList(locales).
...
CanonicalizeLocaleList ( locales )
1. If locales is undefined, then
a. Return a new empty List.
2. Let seen be a new empty List.
3. If Type(locales) is String, then
a. Let O be CreateArrayFromList(« locales »).
4. Else,
a. Let O be ? ToObject(locales).
5. Let len be ? ToLength(? Get(O, "length")).
features: [Intl.DisplayNames]
---*/
assert.throws(TypeError, () => {
new Intl.DisplayNames(null);
}, 'null');
reportCompare(0, 0);
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