const Arithmetic = require("../arithmetic");
//tests arithmetic class
describe("Arithmetic", () => {
  //organizational tool containing tests
  describe("Initialization", () => {
    it("should set 'number' when created", () => {
      // Arrange
      const num = 108;
      // Act
      const obj = new Arithmetic(num);
      // Assert
      expect(obj.number).toEqual(num);
    });
  })
           })