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LibJS: Implement Intl.Locale.prototype.hourCycles property

This commit is contained in:
Timothy Flynn 2022-07-05 13:41:08 -04:00 committed by Linus Groh
parent 4d32f38a76
commit ee2be5895f
6 changed files with 55 additions and 1 deletions

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describe("errors", () => {
test("called on non-Locale object", () => {
expect(() => {
Intl.Locale.prototype.hourCycles;
}).toThrowWithMessage(TypeError, "Not an object of type Intl.Locale");
});
});
describe("normal behavior", () => {
test("basic functionality", () => {
expect(Array.isArray(new Intl.Locale("en").hourCycles)).toBeTrue();
expect(new Intl.Locale("en").hourCycles).toContain("h12");
expect(Array.isArray(new Intl.Locale("ha").hourCycles)).toBeTrue();
expect(new Intl.Locale("ha").hourCycles).toContain("h23");
});
test("extension keyword overrides default data", () => {
expect(new Intl.Locale("en-u-hc-h24").hourCycles).toEqual(["h24"]);
expect(new Intl.Locale("en", { hourCycle: "h24" }).hourCycles).toEqual(["h24"]);
expect(new Intl.Locale("ar-u-hc-h24").hourCycles).toEqual(["h24"]);
expect(new Intl.Locale("ar", { hourCycle: "h24" }).hourCycles).toEqual(["h24"]);
// Invalid hourCycles also take precedence when specified in the locale string. Unlike other
// properties, Locale("en", { hourCycle: "ladybird" }) will explictly throw.
expect(new Intl.Locale("en-u-hc-ladybird").hourCycles).toEqual(["ladybird"]);
});
});