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LibJS: Selectively display DateTimeFormat day periods as noon

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Timothy Flynn 2022-07-21 14:41:47 -04:00 • committed by Linus Groh
parent 32c07bc6c3
commit b8d4f8debf
2 changed files with 68 additions and 1 deletions
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42
Userland/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.format.js
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@ -273,6 +273,48 @@ describe("dayPeriod", () => {
expect(en.format(date1)).toBe("5 at night");
expect(en.format(date2)).toBe("11 at night");
});
test("noon", () => {
const date0 = Date.UTC(2017, 11, 12, 12, 0, 0, 0);
const date1 = Date.UTC(2017, 11, 12, 12, 1, 0, 0);
const date2 = Date.UTC(2017, 11, 12, 12, 0, 1, 0);
const date3 = Date.UTC(2017, 11, 12, 12, 0, 0, 500);
// prettier-ignore
const data = [
{ minute: undefined, second: undefined, fractionalSecondDigits: undefined, en0: "12 noon", en1: "12 noon", en2: "12 noon", en3: "12 noon", ar0: "١٢ ظهرًا", ar1: "١٢ ظهرًا", ar2: "١٢ ظهرًا", ar3: "١٢ ظهرًا" },
{ minute: "numeric", second: undefined, fractionalSecondDigits: undefined, en0: "12:00 noon", en1: "12:01 in the afternoon", en2: "12:00 noon", en3: "12:00 noon", ar0: "١٢:٠٠ ظهرًا", ar1: "١٢:٠١ ظهرًا", ar2: "١٢:٠٠ ظهرًا", ar3: "١٢:٠٠ ظهرًا" },
{ minute: "numeric", second: "numeric", fractionalSecondDigits: undefined, en0: "12:00:00 noon", en1: "12:01:00 in the afternoon", en2: "12:00:01 in the afternoon", en3: "12:00:00 noon", ar0: "١٢:٠٠:٠٠ ظهرًا", ar1: "١٢:٠١:٠٠ ظهرًا", ar2: "١٢:٠٠:٠١ ظهرًا", ar3: "١٢:٠٠:٠٠ ظهرًا" },
{ minute: "numeric", second: "numeric", fractionalSecondDigits: 1, en0: "12:00:00.0 noon", en1: "12:01:00.0 in the afternoon", en2: "12:00:01.0 in the afternoon", en3: "12:00:00.5 in the afternoon", ar0: "١٢:٠٠:٠٠٫٠ ظهرًا", ar1: "١٢:٠١:٠٠٫٠ ظهرًا", ar2: "١٢:٠٠:٠١٫٠ ظهرًا", ar3: "١٢:٠٠:٠٠٫٥ ظهرًا" },
];
// The en locale includes the "noon" fixed day period, whereas the ar locale does not.
data.forEach(d => {
const en = new Intl.DateTimeFormat("en", {
dayPeriod: "short",
timeZone: "UTC",
minute: d.minute,
second: d.second,
fractionalSecondDigits: d.fractionalSecondDigits,
});
expect(en.format(date0)).toBe(d.en0);
expect(en.format(date1)).toBe(d.en1);
expect(en.format(date2)).toBe(d.en2);
expect(en.format(date3)).toBe(d.en3);
const ar = new Intl.DateTimeFormat("ar", {
dayPeriod: "short",
timeZone: "UTC",
minute: d.minute,
second: d.second,
fractionalSecondDigits: d.fractionalSecondDigits,
});
expect(ar.format(date0)).toBe(d.ar0);
expect(ar.format(date1)).toBe(d.ar1);
expect(ar.format(date2)).toBe(d.ar2);
expect(ar.format(date3)).toBe(d.ar3);
});
});
});
describe("hour", () => {