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serenity/Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainTime/PlainTime.from.js
Luke Wilde 3666d2132b LibJS: Remove fallback value for get_offset_nanoseconds_for
This is a normative change in the Temporal spec.

See: 664f02d

Note that the tests are not comprehensive.
2021-11-17 11:30:13 +00:00

59 lines
2.6 KiB
JavaScript

describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.PlainTime.from).toHaveLength(1);
});
test("PlainTime instance argument", () => {
const plainTime = new Temporal.PlainTime(18, 45, 37, 1, 2, 3);
const createdPlainTime = Temporal.PlainTime.from(plainTime);
expect(createdPlainTime.hour).toBe(18);
expect(createdPlainTime.minute).toBe(45);
expect(createdPlainTime.second).toBe(37);
expect(createdPlainTime.millisecond).toBe(1);
expect(createdPlainTime.microsecond).toBe(2);
expect(createdPlainTime.nanosecond).toBe(3);
});
test("PlainDateTime instance argument", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 8, 27, 18, 45, 37, 1, 2, 3);
const createdPlainTime = Temporal.PlainTime.from(plainDateTime);
expect(createdPlainTime.hour).toBe(18);
expect(createdPlainTime.minute).toBe(45);
expect(createdPlainTime.second).toBe(37);
expect(createdPlainTime.millisecond).toBe(1);
expect(createdPlainTime.microsecond).toBe(2);
expect(createdPlainTime.nanosecond).toBe(3);
});
test("ZonedDateTime instance argument", () => {
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = new Temporal.ZonedDateTime(1627318123456789000n, timeZone);
const createdPlainTime = Temporal.PlainTime.from(zonedDateTime);
expect(createdPlainTime.hour).toBe(16);
expect(createdPlainTime.minute).toBe(48);
expect(createdPlainTime.second).toBe(43);
expect(createdPlainTime.millisecond).toBe(456);
expect(createdPlainTime.microsecond).toBe(789);
expect(createdPlainTime.nanosecond).toBe(0);
});
// Un-skip once ParseISODateTime & ParseTemporalTimeString are implemented
test.skip("PlainTime string argument", () => {
const createdPlainTime = Temporal.PlainTime.from("2021-08-27T18:44:11Z");
expect(createdPlainTime.hour).toBe(18);
expect(createdPlainTime.minute).toBe(44);
expect(createdPlainTime.second).toBe(11);
expect(createdPlainTime.millisecond).toBe(0);
expect(createdPlainTime.microsecond).toBe(0);
expect(createdPlainTime.nanosecond).toBe(0);
});
});
describe("errors", () => {
test("custom time zone doesn't have a getOffsetNanosecondsFor function", () => {
const zonedDateTime = new Temporal.ZonedDateTime(0n, {});
expect(() => {
Temporal.PlainTime.from(zonedDateTime);
}).toThrowWithMessage(TypeError, "null is not a function");
});
});