1234567891011121314151617181920212223
import { assertEquals } from "https://deno.land/std@0.157.0/testing/asserts.ts";
import ladderLength from "./index.ts";
Deno.test("word-ladder", () => {    const beginWord = "hit",        endWord = "cog",        wordList = ["hot", "dot", "dog", "lot", "log", "cog"];    assertEquals(5, ladderLength(beginWord, endWord, wordList));});Deno.test("word-ladder", () => {    const beginWord = "hit",        endWord = "cog",        wordList = ["hot", "dot", "dog", "lot", "log"];    assertEquals(0, ladderLength(beginWord, endWord, wordList));});Deno.test("word-ladder", () => {    assertEquals(2, ladderLength("a", "c", ["a", "b", "c"]));});Deno.test("word-ladder", () => {    assertEquals(0, ladderLength("hot", "dog", ["hot", "dog"]));});