const highestCount = (arr) => {}; const sum = (a, b) => {}; const difference = (a, b) => {}; const createPerson = (name) => {}; describe('1 - Create a function that calculates the number of repetitions of the largest number', () => { it('Return 2 when the parameter passed in the highestCount function is [1, 9, 2, 3, 9, 5, 7]', () => { expect(highestCount([1, 9, 2, 3, 9, 5, 7])).toBe(2); }); it('Return 1 when the parameter passed in the highestCount function is [0, 4, 4, 4, 9, 2, 1]', () => { expect(highestCount([0, 4, 4, 4, 9, 2, 1])).toBe(1); }); it('Return 1 when the parameter passed in the highestCount function is [-2, -2, -1]', () => { expect(highestCount([-2, -2, -1])).toBe(1); }); it('Return 3 when the parameter passed in the highestCount function is [0, 0, 0]', () => { expect(highestCount([0, 0, 0])).toBe(3); }); }); describe('2 - The sum function must be able to sum numbers', () => { test('Return 3 when the parameters are 2 and 1', () => { expect(sum(2,1)).toBe(3); }); test('Return -1 when the parameters are 2 and -3', () => { expect(sum(2,-3)).toBe(-1); }); test('Return approximately 3.45 when the parameters are 2 and 1.45', () => { expect(sum(2,1.45)).toBeCloseTo(3.45); }); }); describe('3 - The difference function must be able to return the distance between numbers', () => { test('Return 2 when the parameters are 3 and 1', () => { expect(difference(3,1)).toBe(2); }); test('Return 2 when the parameters are -3 and -1', () => { expect(difference(-3,-1)).toBe(2); }); test('Return 2 when the parameters are -1 and -3', () => { expect(difference(-1,-3)).toBe(2); }); test('Return 87 when the parameters are 0 and 87', () => { expect(difference(0,87)).toBe(87); }); }); describe('4 - createPerson must be able to return an object', () => { test('Return {name: "Lucas"} when the parameter is "Lucas"', () => { expect(createPerson('Lucas')).toEqual({name: "Lucas"}); }); test('Return {name: "James"} when the parameter is "James"', () => { expect(createPerson('James')).toEqual({name: "James"}); }); });