moy-fp/test/List/reverseList.test.js

A functional programming library.

import __ from '../../src/Function/__'
/**
 * [a] -> [a]
 */
import reverseList from '../../src/List/reverseList'

test('reverseList(not using __)', () => {
  expect(
    reverseList([1, 2, 3, 4])
  ).toEqual([4, 3, 2, 1])
})

test('reverseList(using __)', () => {
  expect(
    reverseList(__)([1, 2, 3, 4])
  ).toEqual([4, 3, 2, 1])
})