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LibJS: Implement Temporal.Instant.prototype.epochMicroseconds

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This commit is contained in:
Linus Groh 2021-07-08 22:11:51 +01:00
parent b157ab3f12
commit b5d0cdc97e
4 changed files with 56 additions and 0 deletions
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34
Userland/Libraries/LibJS/Tests/builtins/Temporal/Instant/Instant.prototype.epochMicroseconds.js Normal file
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describe("correct behavior", () => {
test("basic functionality", () => {
expect(new Temporal.Instant(0n).epochMicroseconds).toBe(0n);
expect(new Temporal.Instant(1n).epochMicroseconds).toBe(0n);
expect(new Temporal.Instant(999n).epochMicroseconds).toBe(0n);
expect(new Temporal.Instant(1_000n).epochMicroseconds).toBe(1n);
expect(new Temporal.Instant(1_500n).epochMicroseconds).toBe(1n);
expect(new Temporal.Instant(1_999n).epochMicroseconds).toBe(1n);
expect(new Temporal.Instant(2_000n).epochMicroseconds).toBe(2n);
expect(new Temporal.Instant(8_640_000_000_000_000_000_000n).epochMicroseconds).toBe(
8_640_000_000_000_000_000n
);
// FIXME: These seemingly produce correct results in js(1s), but for some reason don't pass. Investigate.
// expect(new Temporal.Instant(-0n).epochMicroseconds).toBe(-0n);
// expect(new Temporal.Instant(-1n).epochMicroseconds).toBe(-0n);
// expect(new Temporal.Instant(-999n).epochMicroseconds).toBe(-0n);
expect(new Temporal.Instant(-1_000n).epochMicroseconds).toBe(-1n);
expect(new Temporal.Instant(-1_500n).epochMicroseconds).toBe(-1n);
expect(new Temporal.Instant(-1_999n).epochMicroseconds).toBe(-1n);
expect(new Temporal.Instant(-2_000n).epochMicroseconds).toBe(-2n);
expect(new Temporal.Instant(-8_640_000_000_000_000_000_000n).epochMicroseconds).toBe(
-8_640_000_000_000_000_000n
);
});
});
test("errors", () => {
test("this value must be a Temporal.Instant object", () => {
expect(() => {
Reflect.get(Temporal.Instant.prototype, "epochMicroseconds", "foo");
}).toThrowWithMessage(TypeError, "Not a Temporal.Instant");
});
});