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46 lines
1.1 KiB
46 lines
1.1 KiB
// File: binary_search_tree_test.go
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// Created Time: 2022-11-26
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// Author: Reanon (793584285@qq.com)
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package chapter_tree
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import (
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"fmt"
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"testing"
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)
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func TestBinarySearchTree(t *testing.T) {
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bst := newBinarySearchTree()
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nums := []int{8, 4, 12, 2, 6, 10, 14, 1, 3, 5, 7, 9, 11, 13, 15}
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// 请注意，不同的插入顺序会生成不同的二叉树，该序列可以生成一个完美二叉树
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for _, num := range nums {
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bst.insert(num)
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}
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fmt.Println("\n初始化的二叉树为:")
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bst.print()
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// 获取根节点
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node := bst.getRoot()
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fmt.Println("\n二叉树的根节点为:", node.Val)
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// 查找节点
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node = bst.search(7)
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fmt.Println("查找到的节点对象为", node, "，节点值 =", node.Val)
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// 插入节点
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bst.insert(16)
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fmt.Println("\n插入节点后 16 的二叉树为:")
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bst.print()
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// 删除节点
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bst.remove(1)
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fmt.Println("\n删除节点 1 后的二叉树为:")
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bst.print()
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bst.remove(2)
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fmt.Println("\n删除节点 2 后的二叉树为:")
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bst.print()
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bst.remove(4)
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fmt.Println("\n删除节点 4 后的二叉树为:")
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bst.print()
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}
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