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- describe("correct behavior", () => {
- test("length is 0", () => {
- expect(Temporal.Now.plainDateISO).toHaveLength(0);
- });
- test("basic functionality", () => {
- const plainDate = Temporal.Now.plainDateISO();
- expect(plainDate).toBeInstanceOf(Temporal.PlainDate);
- expect(plainDate.calendar.id).toBe("iso8601");
- });
- test("custom time zone", () => {
- const timeZone = {
- getOffsetNanosecondsFor() {
- return 86400000000000;
- },
- };
- const plainDate = Temporal.Now.plainDateISO();
- const plainDateWithOffset = Temporal.Now.plainDateISO(timeZone);
- if (plainDate.dayOfYear === plainDate.daysInYear) {
- expect(plainDateWithOffset.year).toBe(plainDate.year + 1);
- expect(plainDateWithOffset.month).toBe(1);
- expect(plainDateWithOffset.day).toBe(1);
- } else {
- expect(plainDateWithOffset.year).toBe(plainDate.year);
- if (plainDate.day === plainDate.daysInMonth) {
- expect(plainDateWithOffset.month).toBe(plainDate.month + 1);
- expect(plainDateWithOffset.day).toBe(1);
- } else {
- expect(plainDateWithOffset.month).toBe(plainDate.month);
- expect(plainDateWithOffset.day).toBe(plainDate.day + 1);
- }
- }
- });
- });
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