1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 17:37:34 +00:00

LibJS: Implement Temporal.ZonedDateTime.prototype.until()

This commit is contained in:
Linus Groh 2021-11-23 23:42:16 +00:00
parent 7dc846d51c
commit 7a2eeae8c6
6 changed files with 240 additions and 0 deletions

View file

@ -0,0 +1,115 @@
describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.ZonedDateTime.prototype.until).toHaveLength(1);
});
test("basic functionality", () => {
const values = [
[0n, 0n, "PT0S"],
[123456789n, 2345679011n, "PT2.222222222S"],
[0n, 123456789n, "PT0.123456789S"],
[123456789n, 0n, "-PT0.123456789S"],
[0n, 123456789123456789n, "PT34293H33M9.123456789S"],
[123456789123456789n, 0n, "-PT34293H33M9.123456789S"],
];
const utc = new Temporal.TimeZone("UTC");
for (const [arg, argOther, expected] of values) {
const zonedDateTime = new Temporal.ZonedDateTime(arg, utc);
const other = new Temporal.ZonedDateTime(argOther, utc);
expect(zonedDateTime.until(other).toString()).toBe(expected);
}
});
test("smallestUnit option", () => {
const utc = new Temporal.TimeZone("UTC");
const zonedDateTime = new Temporal.ZonedDateTime(0n, utc);
const other = new Temporal.ZonedDateTime(34401906007008009n, utc);
const values = [
["year", "P1Y"],
["month", "P13M"],
["week", "P56W"],
["day", "P398D"],
["hour", "PT9556H"],
["minute", "PT9556H5M"],
["second", "PT9556H5M6S"],
["millisecond", "PT9556H5M6.007S"],
["microsecond", "PT9556H5M6.007008S"],
["nanosecond", "PT9556H5M6.007008009S"],
];
for (const [smallestUnit, expected] of values) {
expect(zonedDateTime.until(other, { smallestUnit }).toString()).toBe(expected);
}
});
test("largestUnit option", () => {
const utc = new Temporal.TimeZone("UTC");
const zonedDateTime = new Temporal.ZonedDateTime(0n, utc);
const other = new Temporal.ZonedDateTime(34401906007008009n, utc);
const values = [
["year", "P1Y1M2DT4H5M6.007008009S"],
["month", "P13M2DT4H5M6.007008009S"],
["week", "P56W6DT4H5M6.007008009S"],
["day", "P398DT4H5M6.007008009S"],
["hour", "PT9556H5M6.007008009S"],
["minute", "PT573365M6.007008009S"],
["second", "PT34401906.007008009S"],
["millisecond", "PT34401906.007008009S"],
["microsecond", "PT34401906.007008009S"],
["nanosecond", "PT34401906.007008008S"],
];
for (const [largestUnit, expected] of values) {
expect(zonedDateTime.until(other, { largestUnit }).toString()).toBe(expected);
}
});
});
describe("errors", () => {
test("this value must be a Temporal.ZonedDateTime object", () => {
expect(() => {
Temporal.ZonedDateTime.prototype.until.call("foo", {});
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.ZonedDateTime");
});
test("cannot compare dates from different calendars", () => {
const calendarOne = {
toString() {
return "calendarOne";
},
};
const calendarTwo = {
toString() {
return "calendarTwo";
},
};
const utc = new Temporal.TimeZone("UTC");
const zonedDateTimeOne = new Temporal.ZonedDateTime(0n, utc, calendarOne);
const zonedDateTimeTwo = new Temporal.ZonedDateTime(0n, utc, calendarTwo);
expect(() => {
zonedDateTimeOne.until(zonedDateTimeTwo);
}).toThrowWithMessage(RangeError, "Cannot compare dates from two different calendars");
});
test("cannot compare dates from different time zones", () => {
const timeZoneOne = {
toString() {
return "timeZoneOne";
},
};
const timeZoneTwo = {
toString() {
return "timeZoneTwo";
},
};
const zonedDateTimeOne = new Temporal.ZonedDateTime(0n, timeZoneOne);
const zonedDateTimeTwo = new Temporal.ZonedDateTime(0n, timeZoneTwo);
expect(() => {
zonedDateTimeOne.until(zonedDateTimeTwo, { largestUnit: "day" });
}).toThrowWithMessage(RangeError, "Cannot compare dates from two different time zones");
});
});