hello-algo/zh-hant/codes/go/chapter_graph/graph_adjacency_matrix_test.go

44 lines
1009 B
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// File: graph_adjacency_matrix_test.go
// Created Time: 2023-01-31
// Author: Reanon (793584285@qq.com)
package chapter_graph
import (
"fmt"
"testing"
)
func TestGraphAdjMat(t *testing.T) {
/* 初始化無向圖 */
// 請注意edges 元素代表頂點索引,即對應 vertices 元素索引
vertices := []int{1, 3, 2, 5, 4}
edges := [][]int{{0, 1}, {1, 2}, {2, 3}, {0, 3}, {2, 4}, {3, 4}}
graph := newGraphAdjMat(vertices, edges)
fmt.Println("初始化後,圖為:")
graph.print()
/* 新增邊 */
// 頂點 1, 2 的索引分別為 0, 2
graph.addEdge(0, 2)
fmt.Println("新增邊 1-2 後,圖為")
graph.print()
/* 刪除邊 */
// 頂點 1, 3 的索引分別為 0, 1
graph.removeEdge(0, 1)
fmt.Println("刪除邊 1-3 後,圖為")
graph.print()
/* 新增頂點 */
graph.addVertex(6)
fmt.Println("新增頂點 6 後,圖為")
graph.print()
/* 刪除頂點 */
// 頂點 3 的索引為 1
graph.removeVertex(1)
fmt.Println("刪除頂點 3 後,圖為")
graph.print()
}