test("basic numeric shifting", () => { 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(1); expect(1 >>> 1).toBe(0); expect(1 >>> 2).toBe(0); expect(1 >>> 3).toBe(0); expect(1 >>> 4).toBe(0); expect(1 >>> 5).toBe(0); expect(5 >>> 0).toBe(5); expect(5 >>> 1).toBe(2); expect(5 >>> 2).toBe(1); expect(5 >>> 3).toBe(0); expect(5 >>> 4).toBe(0); expect(5 >>> 5).toBe(0); expect(42 >>> 0).toBe(42); expect(42 >>> 1).toBe(21); expect(42 >>> 2).toBe(10); expect(42 >>> 3).toBe(5); expect(42 >>> 4).toBe(2); expect(42 >>> 5).toBe(1); expect(0xffffffff >>> 0).toBe(4294967295); expect(0xffffffff >>> 16).toBe(65535); expect((0xf0000000 * 2) >>> 16).toBe(57344); }); test("numeric shifting with negative lhs values", () => { expect(-1 >>> 0).toBe(4294967295); expect(-1 >>> 1).toBe(2147483647); expect(-1 >>> 2).toBe(1073741823); expect(-1 >>> 3).toBe(536870911); expect(-1 >>> 4).toBe(268435455); expect(-1 >>> 5).toBe(134217727); expect(-5 >>> 0).toBe(4294967291); expect(-5 >>> 1).toBe(2147483645); expect(-5 >>> 2).toBe(1073741822); expect(-5 >>> 3).toBe(536870911); expect(-5 >>> 4).toBe(268435455); expect(-5 >>> 5).toBe(134217727); }); test("shifting with non-numeric values", () => { let x = -67; let y = 4; expect("-42" >>> 3).toBe(536870906); expect(x >>> y).toBe(268435451); expect(x >>> [[[[5]]]]).toBe(134217725); 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(6 >>> NaN).toBe(6); expect(Infinity >>> Infinity).toBe(0); expect(-Infinity >>> Infinity).toBe(0); });