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LibJS: Start implementing Temporal.PlainDate
This commit adds the PlainDate object itself, its constructor and prototype (currently empty), and several required abstract operations.
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19 changed files with 465 additions and 5 deletions
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describe("errors", () => {
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test("called without new", () => {
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expect(() => {
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Temporal.PlainDate();
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}).toThrowWithMessage(
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TypeError,
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"Temporal.PlainDate constructor must be called with 'new'"
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);
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});
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test("cannot pass Infinity", () => {
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expect(() => {
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new Temporal.PlainDate(Infinity);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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expect(() => {
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new Temporal.PlainDate(0, Infinity);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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expect(() => {
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new Temporal.PlainDate(0, 0, Infinity);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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expect(() => {
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new Temporal.PlainDate(-Infinity);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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expect(() => {
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new Temporal.PlainDate(0, -Infinity);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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expect(() => {
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new Temporal.PlainDate(0, 0, -Infinity);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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});
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test("cannot pass invalid ISO month/day", () => {
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expect(() => {
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new Temporal.PlainDate(0, 0, 1);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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expect(() => {
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new Temporal.PlainDate(0, 1, 0);
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}).toThrowWithMessage(RangeError, "Invalid plain date");
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});
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});
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describe("normal behavior", () => {
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test("length is 0", () => {
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expect(Temporal.PlainDate).toHaveLength(0);
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});
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test("basic functionality", () => {
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const plainDate = new Temporal.PlainDate(2021, 7, 19);
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expect(typeof plainDate).toBe("object");
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expect(plainDate).toBeInstanceOf(Temporal.PlainDate);
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expect(Object.getPrototypeOf(plainDate)).toBe(Temporal.PlainDate.prototype);
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});
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});
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