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LibJS: Implement Temporal.Instant.prototype.since

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Idan Horowitz 2021-09-06 21:36:54 +03:00 • committed by Linus Groh
parent 470499b2a8
commit 4b5aa2102c
4 changed files with 83 additions and 0 deletions
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20
Userland/Libraries/LibJS/Tests/builtins/Temporal/Instant/Instant.prototype.since.js Normal file
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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.Instant.prototype.since).toHaveLength(1);
});
test("basic functionality", () => {
const instant1 = new Temporal.Instant(1625614920000000000n);
const instant2 = new Temporal.Instant(0n);
expect(instant1.since(instant2).seconds).toBe(1625614920);
expect(instant1.since(instant2, { largestUnit: "hour" }).hours).toBe(27093582);
});
});
describe("errors", () => {
test("this value must be a Temporal.Instant object", () => {
expect(() => {
Temporal.Instant.prototype.since.call("foo");
}).toThrowWithMessage(TypeError, "Not a Temporal.Instant");
});
});