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LibJS: Implement Temporal.Calendar.prototype.yearMonthFromFields()

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This commit is contained in:
Linus Groh 2021-08-16 00:35:05 +01:00
parent c1c12497b5
commit ed9d37bd40
10 changed files with 223 additions and 14 deletions
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44
Userland/Libraries/LibJS/Tests/builtins/Temporal/Calendar/Calendar.prototype.yearMonthFromFields.js Normal file
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describe("correct behavior", () => {
test("length is 2", () => {
expect(Temporal.Calendar.prototype.yearMonthFromFields).toHaveLength(2);
});
test("basic functionality", () => {
const calendar = new Temporal.Calendar("iso8601");
const plainYearMonth = calendar.yearMonthFromFields({ year: 2021, month: 7 });
expect(plainYearMonth.calendar).toBe(calendar);
expect(plainYearMonth.year).toBe(2021);
expect(plainYearMonth.month).toBe(7);
});
test("with monthCode", () => {
const calendar = new Temporal.Calendar("iso8601");
const plainYearMonth = calendar.yearMonthFromFields({ year: 2021, monthCode: "M07" });
expect(plainYearMonth.calendar).toBe(calendar);
expect(plainYearMonth.year).toBe(2021);
expect(plainYearMonth.month).toBe(7);
});
});
describe("errors", () => {
test("first argument must be an object", () => {
const calendar = new Temporal.Calendar("iso8601");
expect(() => {
calendar.yearMonthFromFields(42);
}).toThrowWithMessage(TypeError, "42 is not an object");
});
test("year field is required", () => {
const calendar = new Temporal.Calendar("iso8601");
expect(() => {
calendar.yearMonthFromFields({ month: 7 });
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
});
test("month or monthCode field is required", () => {
const calendar = new Temporal.Calendar("iso8601");
expect(() => {
calendar.yearMonthFromFields({ year: 2021 });
}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
});
});