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LibJS: Implement Temporal.PlainDate.prototype.until

This commit is contained in:
Luke Wilde 2021-11-15 01:29:58 +00:00 committed by Linus Groh
parent 99c15741ba
commit ddec3bc888
4 changed files with 333 additions and 0 deletions

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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.PlainDate.prototype.until).toHaveLength(1);
});
test("basic functionality", () => {
const dateOne = new Temporal.PlainDate(2021, 11, 14);
const dateTwo = new Temporal.PlainDate(2022, 12, 25);
const untilDuration = dateOne.until(dateTwo);
expect(untilDuration.years).toBe(0);
expect(untilDuration.months).toBe(0);
expect(untilDuration.weeks).toBe(0);
expect(untilDuration.days).toBe(406);
expect(untilDuration.hours).toBe(0);
expect(untilDuration.minutes).toBe(0);
expect(untilDuration.seconds).toBe(0);
expect(untilDuration.milliseconds).toBe(0);
expect(untilDuration.microseconds).toBe(0);
expect(untilDuration.nanoseconds).toBe(0);
});
test("equal dates", () => {
const equalDateOne = new Temporal.PlainDate(1, 1, 1);
const equalDateTwo = new Temporal.PlainDate(1, 1, 1);
const checkResults = result => {
expect(result.years).toBe(0);
expect(result.months).toBe(0);
expect(result.weeks).toBe(0);
expect(result.days).toBe(0);
expect(result.hours).toBe(0);
expect(result.minutes).toBe(0);
expect(result.seconds).toBe(0);
expect(result.milliseconds).toBe(0);
expect(result.microseconds).toBe(0);
expect(result.nanoseconds).toBe(0);
};
checkResults(equalDateOne.until(equalDateOne));
checkResults(equalDateTwo.until(equalDateTwo));
checkResults(equalDateOne.until(equalDateTwo));
checkResults(equalDateTwo.until(equalDateOne));
});
test("negative direction", () => {
const dateOne = new Temporal.PlainDate(2021, 11, 14);
const dateTwo = new Temporal.PlainDate(2022, 12, 25);
const untilDuration = dateTwo.until(dateOne);
expect(untilDuration.years).toBe(0);
expect(untilDuration.months).toBe(0);
expect(untilDuration.weeks).toBe(0);
expect(untilDuration.days).toBe(-406);
expect(untilDuration.hours).toBe(0);
expect(untilDuration.minutes).toBe(0);
expect(untilDuration.seconds).toBe(0);
expect(untilDuration.milliseconds).toBe(0);
expect(untilDuration.microseconds).toBe(0);
expect(untilDuration.nanoseconds).toBe(0);
});
test("largestUnit option", () => {
const values = [
["year", { years: 1, months: 1, days: 11 }],
["month", { months: 13, days: 11 }],
["week", { weeks: 58 }],
["day", { days: 406 }],
];
const dateOne = new Temporal.PlainDate(2021, 11, 14);
const dateTwo = new Temporal.PlainDate(2022, 12, 25);
for (const [largestUnit, durationLike] of values) {
const singularOptions = { largestUnit };
const pluralOptions = { largestUnit: `${largestUnit}s` };
const propertiesToCheck = Object.keys(durationLike);
// Positive direction
const positiveSingularResult = dateOne.until(dateTwo, singularOptions);
for (const property of propertiesToCheck)
expect(positiveSingularResult[property]).toBe(durationLike[property]);
const positivePluralResult = dateOne.until(dateTwo, pluralOptions);
for (const property of propertiesToCheck)
expect(positivePluralResult[property]).toBe(durationLike[property]);
// Negative direction
const negativeSingularResult = dateTwo.until(dateOne, singularOptions);
for (const property of propertiesToCheck)
expect(negativeSingularResult[property]).toBe(-durationLike[property]);
const negativePluralResult = dateTwo.until(dateOne, pluralOptions);
for (const property of propertiesToCheck)
expect(negativePluralResult[property]).toBe(-durationLike[property]);
}
});
// FIXME: Unskip when plain date string parsing is implemented.
test.skip("PlainDate string argument", () => {
const dateOne = new Temporal.PlainDate(2021, 11, 14);
const untilDuration = dateOne.until("2022-12-25");
expect(untilDuration.years).toBe(0);
expect(untilDuration.months).toBe(0);
expect(untilDuration.weeks).toBe(0);
expect(untilDuration.days).toBe(406);
expect(untilDuration.hours).toBe(0);
expect(untilDuration.minutes).toBe(0);
expect(untilDuration.seconds).toBe(0);
expect(untilDuration.milliseconds).toBe(0);
expect(untilDuration.microseconds).toBe(0);
expect(untilDuration.nanoseconds).toBe(0);
});
});
describe("errors", () => {
test("this value must be a Temporal.PlainDate object", () => {
expect(() => {
Temporal.PlainDate.prototype.until.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainDate");
});
test("cannot compare dates from different calendars", () => {
const calendarOne = {
toString() {
return "calendarOne";
},
};
const calendarTwo = {
toString() {
return "calendarTwo";
},
};
const dateOneWithCalendar = new Temporal.PlainDate(2021, 11, 14, calendarOne);
const dateTwoWithCalendar = new Temporal.PlainDate(2022, 12, 25, calendarTwo);
expect(() => {
dateOneWithCalendar.until(dateTwoWithCalendar);
}).toThrowWithMessage(RangeError, "Cannot compare dates from two different calendars");
});
test("disallowed units", () => {
const dateOne = new Temporal.PlainDate(2021, 11, 14);
const dateTwo = new Temporal.PlainDate(2022, 12, 25);
const disallowedUnits = [
"hour",
"minute",
"second",
"millisecond",
"microsecond",
"nanosecond",
];
for (const smallestUnit of disallowedUnits) {
const singularSmallestUnitOptions = { smallestUnit };
const pluralSmallestUnitOptions = { smallestUnit: `${smallestUnit}s` };
expect(() => {
dateOne.until(dateTwo, singularSmallestUnitOptions);
}).toThrowWithMessage(
RangeError,
`${smallestUnit} is not a valid value for option smallestUnit`
);
expect(() => {
dateOne.until(dateTwo, pluralSmallestUnitOptions);
}).toThrowWithMessage(
RangeError,
`${smallestUnit} is not a valid value for option smallestUnit`
);
}
for (const largestUnit of disallowedUnits) {
const singularLargestUnitOptions = { largestUnit };
const pluralLargestUnitOptions = { largestUnit: `${largestUnit}s` };
expect(() => {
dateOne.until(dateTwo, singularLargestUnitOptions);
}).toThrowWithMessage(
RangeError,
`${largestUnit} is not a valid value for option largestUnit`
);
expect(() => {
dateOne.until(dateTwo, pluralLargestUnitOptions);
}).toThrowWithMessage(
RangeError,
`${largestUnit} is not a valid value for option largestUnit`
);
}
});
test("invalid unit range", () => {
// smallestUnit -> disallowed largestUnits, see validate_temporal_unit_range
// Note that all the "smallestUnits" are all the allowedUnits.
const invalidRanges = [
["year", ["month", "week", "day"]],
["month", ["week", "day"]],
["week", ["day"]],
];
const dateOne = new Temporal.PlainDate(2021, 11, 14);
const dateTwo = new Temporal.PlainDate(2022, 12, 25);
for (const [smallestUnit, disallowedLargestUnits] of invalidRanges) {
const pluralSmallestUnit = `${smallestUnit}s`;
for (const disallowedUnit of disallowedLargestUnits) {
const pluralDisallowedUnit = `${disallowedUnit}s`;
const singularSmallestSingularDisallowedOptions = {
smallestUnit,
largestUnit: disallowedUnit,
};
const singularSmallestPluralDisallowedOptions = {
smallestUnit,
largestUnit: pluralDisallowedUnit,
};
const pluralSmallestSingularDisallowedOptions = {
smallestUnit: pluralSmallestUnit,
largestUnit: disallowedUnit,
};
const pluralSmallestPluralDisallowedOptions = {
smallestUnit: pluralSmallestUnit,
largestUnit: disallowedUnit,
};
expect(() => {
dateOne.until(dateTwo, singularSmallestSingularDisallowedOptions);
}).toThrowWithMessage(
RangeError,
`Invalid unit range, ${smallestUnit} is larger than ${disallowedUnit}`
);
expect(() => {
dateOne.until(dateTwo, singularSmallestPluralDisallowedOptions);
}).toThrowWithMessage(
RangeError,
`Invalid unit range, ${smallestUnit} is larger than ${disallowedUnit}`
);
expect(() => {
dateOne.until(dateTwo, pluralSmallestSingularDisallowedOptions);
}).toThrowWithMessage(
RangeError,
`Invalid unit range, ${smallestUnit} is larger than ${disallowedUnit}`
);
expect(() => {
dateOne.until(dateTwo, pluralSmallestPluralDisallowedOptions);
}).toThrowWithMessage(
RangeError,
`Invalid unit range, ${smallestUnit} is larger than ${disallowedUnit}`
);
}
}
});
});