import { permutations } from '../GeneratePermutations'

describe('Permutations', () => {
  it('Permutations of [1, 2, 3]', () => {
    expect(permutations([1, 2, 3])).toEqual([
      [ 1, 2, 3 ],
      [ 1, 3, 2 ],
      [ 2, 1, 3 ],
      [ 2, 3, 1 ],
      [ 3, 1, 2 ],
      [ 3, 2, 1 ]
    ])
  })
})