test("basic numeric and", () => { expect(0 & 0).toBe(0); expect(0 & 1).toBe(0); expect(0 & 2).toBe(0); expect(0 & 3).toBe(0); expect(0 & 4).toBe(0); expect(0 & 5).toBe(0); expect(1 & 0).toBe(0); expect(1 & 1).toBe(1); expect(1 & 2).toBe(0); expect(1 & 3).toBe(1); expect(1 & 4).toBe(0); expect(1 & 5).toBe(1); expect(2 & 0).toBe(0); expect(2 & 1).toBe(0); expect(2 & 2).toBe(2); expect(2 & 3).toBe(2); expect(2 & 4).toBe(0); expect(2 & 5).toBe(0); expect(3 & 0).toBe(0); expect(3 & 1).toBe(1); expect(3 & 2).toBe(2); expect(3 & 3).toBe(3); expect(3 & 4).toBe(0); expect(3 & 5).toBe(1); expect(4 & 0).toBe(0); expect(4 & 1).toBe(0); expect(4 & 2).toBe(0); expect(4 & 3).toBe(0); expect(4 & 4).toBe(4); expect(4 & 5).toBe(4); expect(5 & 0).toBe(0); expect(5 & 1).toBe(1); expect(5 & 2).toBe(0); expect(5 & 3).toBe(1); expect(5 & 4).toBe(4); expect(5 & 5).toBe(5); }); test("and with non-numeric values", () => { let x = 3; let y = 7; expect("42" & 6).toBe(2); expect(x & y).toBe(3); expect(x & [[[[13]]]]).toBe(1); expect(undefined & y).toBe(0); expect("a" & "b").toBe(0); expect(null & null).toBe(0); expect(undefined & undefined).toBe(0); expect(NaN & NaN).toBe(0); expect(NaN & 6).toBe(0); expect(Infinity & Infinity).toBe(0); expect(-Infinity & Infinity).toBe(0); });