import { Reverse } from '../Reverse.js' import each from 'jest-each' describe('reverse elements in an array', () => { each` array | expected ${[]} | ${[]} ${[1]} | ${[1]} ${[1, 2, 3, 4]} | ${[4, 3, 2, 1]} `.test('returns $expected when given $array', ({ array, expected }) => { expect(Reverse(array)).toEqual(expected) }) })