import { PermutationinString } from '../PermutationinString.js' describe('PermutationinString', () => { it("should return true if one of s1's permutations is the substring of s2", () => { expect(PermutationinString('ab', 'eidbaooo')).toEqual(true) expect(PermutationinString('abc', 'bcab')).toEqual(true) expect(PermutationinString('ab', 'eidboaoo')).toEqual(false) expect(PermutationinString('abc', '')).toEqual(false) }) })