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ISO 4217 no longer normative for currency minor digits. New test verifies that currency data (from whatever source) is used by verifying that `maximumFractionDigits` and `minimumFractionDigits` are identical. See https://github.com/tc39/ecma402/pull/922
24 lines
891 B
JavaScript
24 lines
891 B
JavaScript
// Copyright 2024 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.numberformat
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description: >
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Tests that data for the number of fractional digits when formatting currency is used.
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info: |
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15.1.1 Intl.NumberFormat ([ locales [ , options ]])
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19. If style is "currency" and "notation" is "standard", then
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a. Let currency be numberFormat.[[Currency]].
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b. Let cDigits be CurrencyDigits(currency).
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c. Let mnfdDefault be cDigits.
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d. Let mxfdDefault be cDigits.
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author: Ben Allen
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---*/
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const nf = Intl.NumberFormat([], {style: "currency", currency: "USD"});
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const max = nf.resolvedOptions().maximumFractionDigits;
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const min = nf.resolvedOptions().minimumFractionDigits;
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assert.sameValue(min, max, "Currency data not used; maximumFractionDigits should match minimumFractionDigits");
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