51e01b5a80
This is an editorial change in the Temporal spec. See: https://github.com/tc39/proposal-temporal/commit/41a8a5c
61 lines
2.4 KiB
JavaScript
61 lines
2.4 KiB
JavaScript
describe("correct behavior", () => {
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test("length is 1", () => {
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expect(Temporal.PlainDate.from).toHaveLength(1);
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});
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test("PlainDate instance argument", () => {
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const plainDate = new Temporal.PlainDate(2021, 7, 26);
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const createdPlainDate = Temporal.PlainDate.from(plainDate);
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expect(createdPlainDate.year).toBe(2021);
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expect(createdPlainDate.month).toBe(7);
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expect(createdPlainDate.day).toBe(26);
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});
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test("PlainDateTime instance argument", () => {
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const plainDateTime = new Temporal.PlainDateTime(2021, 7, 26, 1, 2, 3);
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const createdPlainDate = Temporal.PlainDate.from(plainDateTime);
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expect(createdPlainDate.year).toBe(2021);
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expect(createdPlainDate.month).toBe(7);
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expect(createdPlainDate.day).toBe(26);
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});
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test("ZonedDateTime instance argument", () => {
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const timeZone = new Temporal.TimeZone("UTC");
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const zonedDateTime = new Temporal.ZonedDateTime(1627318123456789000n, timeZone);
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const createdPlainDate = Temporal.PlainDate.from(zonedDateTime);
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expect(createdPlainDate.year).toBe(2021);
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expect(createdPlainDate.month).toBe(7);
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expect(createdPlainDate.day).toBe(26);
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});
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test("PlainDate string argument", () => {
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const createdPlainDate = Temporal.PlainDate.from("2021-07-26");
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expect(createdPlainDate.year).toBe(2021);
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expect(createdPlainDate.month).toBe(7);
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expect(createdPlainDate.day).toBe(26);
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});
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});
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describe("errors", () => {
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test("custom time zone doesn't have a getOffsetNanosecondsFor function", () => {
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const zonedDateTime = new Temporal.ZonedDateTime(0n, {});
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expect(() => {
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Temporal.PlainDate.from(zonedDateTime);
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}).toThrowWithMessage(TypeError, "null is not a function");
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});
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test("invalid date time string", () => {
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expect(() => {
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Temporal.PlainDate.from("foo");
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}).toThrowWithMessage(RangeError, "Invalid date time string 'foo'");
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});
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test("extended year must not be negative zero", () => {
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expect(() => {
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Temporal.PlainDate.from("-000000-01-01");
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}).toThrowWithMessage(RangeError, "Invalid date time string '-000000-01-01'");
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expect(() => {
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Temporal.PlainDate.from("−000000-01-01"); // U+2212
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}).toThrowWithMessage(RangeError, "Invalid date time string '−000000-01-01'");
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});
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});
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