You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.1 KiB
46 lines
1.1 KiB
7 months ago
|
// File: binary_search_tree_test.go
|
||
|
// Created Time: 2022-11-26
|
||
|
// Author: Reanon (793584285@qq.com)
|
||
|
|
||
|
package chapter_tree
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
"testing"
|
||
|
)
|
||
|
|
||
|
func TestBinarySearchTree(t *testing.T) {
|
||
|
bst := newBinarySearchTree()
|
||
|
nums := []int{8, 4, 12, 2, 6, 10, 14, 1, 3, 5, 7, 9, 11, 13, 15}
|
||
|
// 請注意,不同的插入順序會生成不同的二元樹,該序列可以生成一個完美二元樹
|
||
|
for _, num := range nums {
|
||
|
bst.insert(num)
|
||
|
}
|
||
|
fmt.Println("\n初始化的二元樹為:")
|
||
|
bst.print()
|
||
|
|
||
|
// 獲取根節點
|
||
|
node := bst.getRoot()
|
||
|
fmt.Println("\n二元樹的根節點為:", node.Val)
|
||
|
|
||
|
// 查詢節點
|
||
|
node = bst.search(7)
|
||
|
fmt.Println("查詢到的節點物件為", node, ",節點值 =", node.Val)
|
||
|
|
||
|
// 插入節點
|
||
|
bst.insert(16)
|
||
|
fmt.Println("\n插入節點後 16 的二元樹為:")
|
||
|
bst.print()
|
||
|
|
||
|
// 刪除節點
|
||
|
bst.remove(1)
|
||
|
fmt.Println("\n刪除節點 1 後的二元樹為:")
|
||
|
bst.print()
|
||
|
bst.remove(2)
|
||
|
fmt.Println("\n刪除節點 2 後的二元樹為:")
|
||
|
bst.print()
|
||
|
bst.remove(4)
|
||
|
fmt.Println("\n刪除節點 4 後的二元樹為:")
|
||
|
bst.print()
|
||
|
}
|