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import { assertEquals } from "https://deno.land/std@0.157.0/testing/asserts.ts";
import { TreeNode } from "../mod.ts";import buildTree from "./index.ts";
Deno.test("construct-binary-tree-from-preorder-and-inorder-traversal", () => {    assertEquals(        buildTree([3, 9, 20, 15, 7], [9, 3, 15, 20, 7]),        new TreeNode(            3,            new TreeNode(9),            new TreeNode(20, new TreeNode(15), new TreeNode(7)),        ),    );});Deno.test("construct-binary-tree-from-preorder-and-inorder-traversal", () => {    assertEquals(buildTree([-1], [-1]), new TreeNode(-1));});