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import { assertEquals } from "https://deno.land/std@0.157.0/testing/asserts.ts";
import getMinimumDifference from "./index.ts";
Deno.test("minimum-absolute-difference-in-bst", () => {    const trees = [        {            val: 4,            left: {                val: 2,                left: { val: 1, left: null, right: null },                right: { val: 3, left: null, right: null },            },            right: { val: 6, left: null, right: null },        },        {            val: 1,            left: { val: 0, left: null, right: null },            right: {                val: 48,                left: { val: 12, left: null, right: null },                right: { val: 49, left: null, right: null },            },        },    ];    assertEquals(trees.map(getMinimumDifference), [1, 1]);});