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LibJS: Use currency digits for NumberFormat only for standard notation

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This is a normative change in the ECMA-402 spec. See:
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Timothy Flynn 2024-12-06 12:16:33 -05:00 • committed by Tim Flynn
commit 37b8ba96f1
Notes: github-actions[bot] 2025-03-18 15:48:29 +00:00
2 changed files with 32 additions and 12 deletions
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20
Libraries/LibJS/Tests/builtins/Intl/NumberFormat/NumberFormat.prototype.resolvedOptions.js
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@ -95,6 +95,26 @@ describe("correct behavior", () => {
expect(en2.resolvedOptions().maximumFractionDigits).toBe(2);
});
test("currency digits are not used for non-standard notation", () => {
const en1 = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
notation: "engineering",
});
expect(en1.resolvedOptions().style).toBe("currency");
expect(en1.resolvedOptions().minimumFractionDigits).toBe(0);
expect(en1.resolvedOptions().maximumFractionDigits).toBe(3);
const en2 = new Intl.NumberFormat("en", {
style: "currency",
currency: "USD",
notation: "compact",
});
expect(en2.resolvedOptions().style).toBe("currency");
expect(en2.resolvedOptions().minimumFractionDigits).toBe(0);
expect(en2.resolvedOptions().maximumFractionDigits).toBe(0);
});
test("other style options default to min fraction digits of 0 and max fraction digits of 0 or 3", () => {
const en1 = new Intl.NumberFormat("en", { style: "decimal" });
expect(en1.resolvedOptions().style).toBe("decimal");