mirror of https://github.com/tc39/test262.git
40 lines
1.4 KiB
JavaScript
40 lines
1.4 KiB
JavaScript
// Copyright (C) 2018 Ujjwal Sharma. 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-initializenumberformat
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description: >
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Tests that Intl.NumberFormat contructor converts the locales argument
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to an object using `ToObject` (7.1.13).
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info: |
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9.2.1 CanonicalizeLocaleList
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4.a. Let O be ? ToObject(locales).
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---*/
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const toObjectResults = [
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[true, new Boolean(true)],
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[42, new Number(42)],
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[{}, {}],
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[Symbol(), Object(Symbol())]
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];
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// Test if ToObject is used to convert primitives to Objects.
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toObjectResults.forEach(pair => {
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const [value, result] = pair;
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const actual = new Intl.NumberFormat(value).resolvedOptions();
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const expected = new Intl.NumberFormat(result).resolvedOptions()
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assert.sameValue(actual.locale, expected.locale);
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assert.sameValue(actual.minimumIntegerDigits, expected.minimumIntegerDigits);
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assert.sameValue(actual.minimumFractionDigits, expected.minimumFractionDigits);
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assert.sameValue(actual.maximumFractionDigits, expected.maximumFractionDigits);
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assert.sameValue(actual.numberingSystem, expected.numberingSystem);
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assert.sameValue(actual.style, expected.style);
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assert.sameValue(actual.useGrouping, expected.useGrouping);
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});
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// ToObject throws a TypeError for undefined and null, but it's not called
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// when locales is undefined.
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assert.throws(TypeError, () => new Intl.NumberFormat(null));
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