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LibJS: Start implementing Temporal.PlainYearMonth

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This commit adds the PlainYearMonth object itself, its constructor and
prototype (currently empty), and the CreateTemporalYearMonth and
ISOYearMonthWithinLimits abstract operations.
This commit is contained in:
Linus Groh 2021-08-07 22:40:32 +01:00
parent 5b12542d39
commit 0a8edd5ce7
12 changed files with 360 additions and 10 deletions
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53
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainYearMonth/PlainYearMonth.js Normal file
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describe("errors", () => {
test("called without new", () => {
expect(() => {
Temporal.PlainYearMonth();
}).toThrowWithMessage(
TypeError,
"Temporal.PlainYearMonth constructor must be called with 'new'"
);
});
test("cannot pass Infinity", () => {
expect(() => {
new Temporal.PlainYearMonth(Infinity);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
expect(() => {
new Temporal.PlainYearMonth(0, Infinity);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
expect(() => {
new Temporal.PlainYearMonth(0, 0, {}, Infinity);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
expect(() => {
new Temporal.PlainYearMonth(-Infinity);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
expect(() => {
new Temporal.PlainYearMonth(0, -Infinity);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
expect(() => {
new Temporal.PlainYearMonth(0, 0, {}, -Infinity);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
});
test("cannot pass invalid ISO month/day", () => {
expect(() => {
new Temporal.PlainYearMonth(0, 0);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
expect(() => {
new Temporal.PlainYearMonth(0, 1, {}, 0);
}).toThrowWithMessage(RangeError, "Invalid plain year month");
});
});
describe("normal behavior", () => {
test("length is 2", () => {
expect(Temporal.PlainYearMonth).toHaveLength(2);
});
test("basic functionality", () => {
const plainYearMonth = new Temporal.PlainYearMonth(2021, 7);
expect(typeof plainYearMonth).toBe("object");
expect(plainYearMonth).toBeInstanceOf(Temporal.PlainYearMonth);
expect(Object.getPrototypeOf(plainYearMonth)).toBe(Temporal.PlainYearMonth.prototype);
});
});