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LibJS: Implement Temporal.PlainTime.prototype.toZonedDateTime()

This commit is contained in:
Linus Groh 2021-11-02 17:47:58 +01:00
parent 070f056926
commit 330ac1e5ad
3 changed files with 109 additions and 0 deletions

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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.PlainTime.prototype.toZonedDateTime).toHaveLength(1);
});
test("basic functionality", () => {
const plainTime = new Temporal.PlainTime(18, 14, 47, 123, 456, 789);
const plainDate = new Temporal.PlainDate(2021, 7, 6);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainTime.toZonedDateTime({ plainDate, timeZone });
expect(zonedDateTime.year).toBe(2021);
expect(zonedDateTime.month).toBe(7);
expect(zonedDateTime.day).toBe(6);
expect(zonedDateTime.hour).toBe(18);
expect(zonedDateTime.minute).toBe(14);
expect(zonedDateTime.second).toBe(47);
expect(zonedDateTime.millisecond).toBe(123);
expect(zonedDateTime.microsecond).toBe(456);
expect(zonedDateTime.nanosecond).toBe(789);
expect(zonedDateTime.calendar).toBe(plainDate.calendar);
expect(zonedDateTime.timeZone).toBe(timeZone);
});
});
describe("errors", () => {
test("this value must be a Temporal.PlainTime object", () => {
expect(() => {
Temporal.PlainTime.prototype.toZonedDateTime.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainTime");
});
test("item argument must be an object", () => {
const plainTime = new Temporal.PlainTime();
for (const value of [123, NaN, Infinity, true, false, null, undefined]) {
expect(() => {
plainTime.toZonedDateTime(value);
}).toThrowWithMessage(TypeError, `${value} is not an object`);
}
});
test("item argument must have a 'plainDate' property", () => {
const plainTime = new Temporal.PlainTime();
expect(() => {
plainTime.toZonedDateTime({});
}).toThrowWithMessage(TypeError, "Required property plainDate is missing or undefined");
});
test("item argument must have a 'timeZone' property", () => {
const plainDate = new Temporal.PlainDate(1970, 1, 1);
const plainTime = new Temporal.PlainTime();
expect(() => {
plainTime.toZonedDateTime({ plainDate });
}).toThrowWithMessage(TypeError, "Required property timeZone is missing or undefined");
});
});