1234567891011121314151617181920212223242526272829303132333435363738394041424344
import { assertEquals } from "https://deno.land/std@0.157.0/testing/asserts.ts";
import inorderSuccessor from "./index.ts";
Deno.test("successor-lcci", () => {    const inputs = [        [            {                val: 2,                left: { val: 1, left: null, right: null },                right: { val: 3, left: null, right: null },            },            { val: 1, left: null, right: null },        ],        [            {                val: 5,                left: {                    val: 3,                    left: {                        val: 2,                        left: { val: 1, left: null, right: null },                        right: null,                    },                    right: { val: 4, left: null, right: null },                },                right: { val: 6, left: null, right: null },            },            { val: 6, left: null, right: null },        ],    ];    assertEquals(        inputs.map(([root, p]) => inorderSuccessor(root, p)),        [            {                val: 2,                left: { val: 1, left: null, right: null },                right: { val: 3, left: null, right: null },            },            null,        ],    );});