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LibJS: Implement Intl.PluralRules.prototype.resolvedOptions

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Timothy Flynn 2022-01-28 13:42:20 -05:00 committed by Linus Groh
parent 8b3f49ff84
commit 74939eb943
4 changed files with 134 additions and 0 deletions

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describe("correct behavior", () => {
test("length is 0", () => {
expect(Intl.PluralRules.prototype.resolvedOptions).toHaveLength(0);
});
test("locale only contains relevant extension keys", () => {
const en1 = new Intl.PluralRules("en-u-ca-islamicc");
expect(en1.resolvedOptions().locale).toBe("en");
const en2 = new Intl.PluralRules("en-u-nu-latn");
expect(en2.resolvedOptions().locale).toBe("en");
const en3 = new Intl.PluralRules("en-u-ca-islamicc-nu-latn");
expect(en3.resolvedOptions().locale).toBe("en");
});
test("type", () => {
const en1 = new Intl.PluralRules("en");
expect(en1.resolvedOptions().type).toBe("cardinal");
["cardinal", "ordinal"].forEach(type => {
const en2 = new Intl.PluralRules("en", { type: type });
expect(en2.resolvedOptions().type).toBe(type);
});
});
test("min integer digits", () => {
const en1 = new Intl.PluralRules("en");
expect(en1.resolvedOptions().minimumIntegerDigits).toBe(1);
const en2 = new Intl.PluralRules("en", { minimumIntegerDigits: 5 });
expect(en2.resolvedOptions().minimumIntegerDigits).toBe(5);
});
test("min/max fraction digits", () => {
const en1 = new Intl.PluralRules("en", { minimumFractionDigits: 5 });
expect(en1.resolvedOptions().minimumFractionDigits).toBe(5);
expect(en1.resolvedOptions().maximumFractionDigits).toBe(5);
expect(en1.resolvedOptions().minimumSignificantDigits).toBeUndefined();
expect(en1.resolvedOptions().maximumSignificantDigits).toBeUndefined();
const en2 = new Intl.PluralRules("en", { maximumFractionDigits: 5 });
expect(en2.resolvedOptions().minimumFractionDigits).toBe(0);
expect(en2.resolvedOptions().maximumFractionDigits).toBe(5);
expect(en2.resolvedOptions().minimumSignificantDigits).toBeUndefined();
expect(en2.resolvedOptions().maximumSignificantDigits).toBeUndefined();
const en3 = new Intl.PluralRules("en", {
minimumFractionDigits: 5,
maximumFractionDigits: 10,
});
expect(en3.resolvedOptions().minimumFractionDigits).toBe(5);
expect(en3.resolvedOptions().maximumFractionDigits).toBe(10);
expect(en3.resolvedOptions().minimumSignificantDigits).toBeUndefined();
expect(en3.resolvedOptions().maximumSignificantDigits).toBeUndefined();
});
test("min/max significant digits", () => {
const en1 = new Intl.PluralRules("en", { minimumSignificantDigits: 5 });
expect(en1.resolvedOptions().minimumFractionDigits).toBeUndefined();
expect(en1.resolvedOptions().maximumFractionDigits).toBeUndefined();
expect(en1.resolvedOptions().minimumSignificantDigits).toBe(5);
expect(en1.resolvedOptions().maximumSignificantDigits).toBe(21);
const en2 = new Intl.PluralRules("en", { maximumSignificantDigits: 5 });
expect(en2.resolvedOptions().minimumFractionDigits).toBeUndefined();
expect(en2.resolvedOptions().maximumFractionDigits).toBeUndefined();
expect(en2.resolvedOptions().minimumSignificantDigits).toBe(1);
expect(en2.resolvedOptions().maximumSignificantDigits).toBe(5);
const en3 = new Intl.PluralRules("en", {
minimumSignificantDigits: 5,
maximumSignificantDigits: 10,
});
expect(en3.resolvedOptions().minimumFractionDigits).toBeUndefined();
expect(en3.resolvedOptions().maximumFractionDigits).toBeUndefined();
expect(en3.resolvedOptions().minimumSignificantDigits).toBe(5);
expect(en3.resolvedOptions().maximumSignificantDigits).toBe(10);
});
test("plural categories", () => {
// FIXME: Write better tests when this is implemented.
const en = new Intl.PluralRules("en");
expect(en.resolvedOptions().pluralCategories).toBeDefined();
expect(en.resolvedOptions().pluralCategories).toEqual([]);
});
});