let loop_arith=require ("../loop-arith.js"); let rec_arith=require ("../rec-arith.js"); describe("plus", function() { it("1 + 1 = 2", function() { expect(loop_arith.plus(1, 1)).toBe(rec_arith.plus(1, 1)); }); it("0 + x = x", function() { expect(loop_arith.plus(0, 1)).toBe(rec_arith.plus(0, 1)); }); }); describe("mult", function() { it("0 * 2 = 0", function() { expect(loop_arith.mult(0, 2)).toBe(rec_arith.mult(0, 2)); }); it("1 * 2 = 2", function() { expect(loop_arith.mult(1, 2)).toBe(rec_arith.mult(1, 2)); }); it("2 * 2 = 4", function() { expect(loop_arith.mult(2, 2)).toBe(rec_arith.mult(2, 2)); }); });