42 lines
770 B
Go
42 lines
770 B
Go
// File: binary_tree_test.go
|
|
// Created Time: 2022-11-25
|
|
// Author: Reanon (793584285@qq.com)
|
|
|
|
package chapter_tree
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
. "github.com/krahets/hello-algo/pkg"
|
|
)
|
|
|
|
func TestBinaryTree(t *testing.T) {
|
|
/* Initialize binary tree */
|
|
// Initialize node
|
|
n1 := NewTreeNode(1)
|
|
n2 := NewTreeNode(2)
|
|
n3 := NewTreeNode(3)
|
|
n4 := NewTreeNode(4)
|
|
n5 := NewTreeNode(5)
|
|
// Construct node references (pointers)
|
|
n1.Left = n2
|
|
n1.Right = n3
|
|
n2.Left = n4
|
|
n2.Right = n5
|
|
fmt.Println("Initialize binary tree")
|
|
PrintTree(n1)
|
|
|
|
/* Insert and remove nodes */
|
|
// Insert node
|
|
p := NewTreeNode(0)
|
|
n1.Left = p
|
|
p.Left = n2
|
|
fmt.Println("After inserting node P")
|
|
PrintTree(n1)
|
|
// Remove node
|
|
n1.Left = n2
|
|
fmt.Println("After removing node P")
|
|
PrintTree(n1)
|
|
}
|