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

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// 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) {
/* 初始化无向图 */
// 请注意edges 元素代表顶点索引,即对应 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("初始化后,图为:")
graph.print()
/* 添加边 */
// 顶点 1, 2 的索引分别为 0, 2
graph.addEdge(0, 2)
fmt.Println("添加边 1-2 后,图为")
graph.print()
/* 删除边 */
// 顶点 1, 3 的索引分别为 0, 1
graph.removeEdge(0, 1)
fmt.Println("删除边 1-3 后,图为")
graph.print()
/* 添加顶点 */
graph.addVertex(6)
fmt.Println("添加顶点 6 后,图为")
graph.print()
/* 删除顶点 */
// 顶点 3 的索引为 1
graph.removeVertex(1)
fmt.Println("删除顶点 3 后,图为")
graph.print()
}