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LibJS: Implement Temporal.PlainDateTime.prototype.toString

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Luke Wilde 2021-11-03 01:51:35 +00:00 • committed by Linus Groh
parent f922ffb032
commit b2bbd4d2b8
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63
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDateTime/PlainDateTime.prototype.toString.js Normal file
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describe("correct behavior", () => {
test("length is 0", () => {
expect(Temporal.PlainDateTime.prototype.toString).toHaveLength(0);
});
test("basic functionality", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
expect(plainDateTime.toString()).toBe("2021-11-03T01:33:05.1002003");
});
test("fractionalSecondDigits option", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const values = [
["auto", "2021-11-03T01:33:05.1002003"],
[0, "2021-11-03T01:33:05"],
[1, "2021-11-03T01:33:05.1"],
[2, "2021-11-03T01:33:05.10"],
[3, "2021-11-03T01:33:05.100"],
[4, "2021-11-03T01:33:05.1002"],
[5, "2021-11-03T01:33:05.10020"],
[6, "2021-11-03T01:33:05.100200"],
[7, "2021-11-03T01:33:05.1002003"],
[8, "2021-11-03T01:33:05.10020030"],
[9, "2021-11-03T01:33:05.100200300"],
];
for (const [fractionalSecondDigits, expected] of values) {
const options = { fractionalSecondDigits };
expect(plainDateTime.toString(options)).toBe(expected);
}
// Ignored when smallestUnit is given
expect(plainDateTime.toString({ smallestUnit: "minute", fractionalSecondDigits: 9 })).toBe(
"2021-11-03T01:33"
);
});
test("smallestUnit option", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const values = [
["minute", "2021-11-03T01:33"],
["second", "2021-11-03T01:33:05"],
["millisecond", "2021-11-03T01:33:05.100"],
["microsecond", "2021-11-03T01:33:05.100200"],
["nanosecond", "2021-11-03T01:33:05.100200300"],
];
for (const [smallestUnit, expected] of values) {
const singularOptions = { smallestUnit };
const pluralOptions = { smallestUnit: `${smallestUnit}s` };
expect(plainDateTime.toString(singularOptions)).toBe(expected);
expect(plainDateTime.toString(pluralOptions)).toBe(expected);
}
});
});
describe("errors", () => {
test("this value must be a Temporal.PlainDateTime object", () => {
expect(() => {
Temporal.PlainDateTime.prototype.toString.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainDateTime");
});
});