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import {intersection} from './intersection'import {intersection as ramdaIntersection} from 'ramda'
test('intersection', () => {  const list1 = [1, 2, 3, 4]  const list2 = [3, 4, 5, 6]  expect(intersection(list1)(list2)).toEqual([3, 4])
  expect(intersection([], [])).toEqual([])})
test('intersection with objects', () => {  const list1 = [{id: 1}, {id: 2}, {id: 3}, {id: 4}]  const list2 = [{id: 3}, {id: 4}, {id: 5}, {id: 6}]  expect(intersection(list1)(list2)).toEqual([{id: 3}, {id: 4}])})
test('order is the same as in Ramda', () => {  const list = ['a', 'b', 'c', 'd']
  expect(ramdaIntersection(list, ['b', 'c'])).toEqual(['b', 'c'])  expect(intersection(list, ['b', 'c'])).toEqual(['b', 'c'])
  expect(intersection(list, ['c', 'b'])).toEqual(['c', 'b'])  expect(ramdaIntersection(list, ['c', 'b'])).toEqual(['c', 'b'])})