test("basic functionality", () => { expect(Math.cbrt).toHaveLength(1); expect(Math.cbrt(NaN)).toBeNaN(); expect(Math.cbrt(-1)).toBe(-1); expect(Math.cbrt(-0)).toBe(-0); expect(Math.cbrt(-Infinity)).toBe(-Infinity); expect(Math.cbrt(1)).toBe(1); expect(Math.cbrt(Infinity)).toBe(Infinity); expect(Math.cbrt(null)).toBe(0); expect(Math.cbrt(2)).toBeCloseTo(1.259921); });