hello-algo/codes/go/chapter_tree/binary_tree_dfs_test.go

35 lines
756 B
Go

// File: binary_tree_dfs_test.go
// Created Time: 2022-11-26
// Author: Reanon (793584285@qq.com)
package chapter_tree
import (
"fmt"
"testing"
. "github.com/krahets/hello-algo/pkg"
)
func TestPreInPostOrderTraversal(t *testing.T) {
/* 初始化二叉树 */
// 这里借助了一个从数组直接生成二叉树的函数
root := SliceToTree([]any{1, 2, 3, 4, 5, 6, 7})
fmt.Println("\n初始化二叉树: ")
PrintTree(root)
// 前序遍历
nums = nil
preOrder(root)
fmt.Println("\n前序遍历的节点打印序列 =", nums)
// 中序遍历
nums = nil
inOrder(root)
fmt.Println("\n中序遍历的节点打印序列 =", nums)
// 后序遍历
nums = nil
postOrder(root)
fmt.Println("\n后序遍历的节点打印序列 =", nums)
}