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LibJS: Implement Temporal.ZonedDateTime.prototype.toString

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Luke Wilde 2021-11-10 00:26:33 +00:00 • committed by Linus Groh
parent dc72d416b2
commit a9ad993e78
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99
Userland/Libraries/LibJS/Tests/builtins/Temporal/ZonedDateTime/ZonedDateTime.prototype.toString.js Normal file
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describe("correct behavior", () => {
test("length is 0", () => {
expect(Temporal.ZonedDateTime.prototype.toString).toHaveLength(0);
});
test("basic functionality", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
expect(zonedDateTime.toString()).toBe("2021-11-03T01:33:05.1002003+00:00[UTC]");
});
test("fractionalSecondDigits option", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
const values = [
["auto", "2021-11-03T01:33:05.1002003+00:00[UTC]"],
[0, "2021-11-03T01:33:05+00:00[UTC]"],
[1, "2021-11-03T01:33:05.1+00:00[UTC]"],
[2, "2021-11-03T01:33:05.10+00:00[UTC]"],
[3, "2021-11-03T01:33:05.100+00:00[UTC]"],
[4, "2021-11-03T01:33:05.1002+00:00[UTC]"],
[5, "2021-11-03T01:33:05.10020+00:00[UTC]"],
[6, "2021-11-03T01:33:05.100200+00:00[UTC]"],
[7, "2021-11-03T01:33:05.1002003+00:00[UTC]"],
[8, "2021-11-03T01:33:05.10020030+00:00[UTC]"],
[9, "2021-11-03T01:33:05.100200300+00:00[UTC]"],
];
for (const [fractionalSecondDigits, expected] of values) {
const options = { fractionalSecondDigits };
expect(zonedDateTime.toString(options)).toBe(expected);
}
// Ignored when smallestUnit is given
expect(zonedDateTime.toString({ smallestUnit: "minute", fractionalSecondDigits: 9 })).toBe(
"2021-11-03T01:33+00:00[UTC]"
);
});
test("smallestUnit option", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
const values = [
["minute", "2021-11-03T01:33+00:00[UTC]"],
["second", "2021-11-03T01:33:05+00:00[UTC]"],
["millisecond", "2021-11-03T01:33:05.100+00:00[UTC]"],
["microsecond", "2021-11-03T01:33:05.100200+00:00[UTC]"],
["nanosecond", "2021-11-03T01:33:05.100200300+00:00[UTC]"],
];
for (const [smallestUnit, expected] of values) {
const singularOptions = { smallestUnit };
const pluralOptions = { smallestUnit: `${smallestUnit}s` };
expect(zonedDateTime.toString(singularOptions)).toBe(expected);
expect(zonedDateTime.toString(pluralOptions)).toBe(expected);
}
});
test("timeZoneName option", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
const values = [
["auto", "2021-11-03T01:33:05.1002003+00:00[UTC]"],
["never", "2021-11-03T01:33:05.1002003+00:00"],
];
for (const [timeZoneName, expected] of values) {
const options = { timeZoneName };
expect(zonedDateTime.toString(options)).toBe(expected);
}
});
test("offset option", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
const values = [
["auto", "2021-11-03T01:33:05.1002003+00:00[UTC]"],
["never", "2021-11-03T01:33:05.1002003[UTC]"],
];
for (const [offset, expected] of values) {
const options = { offset };
expect(zonedDateTime.toString(options)).toBe(expected);
}
});
});
describe("errors", () => {
test("this value must be a Temporal.ZonedDateTime object", () => {
expect(() => {
Temporal.ZonedDateTime.prototype.toString.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.ZonedDateTime");
});
});