/**
* 无向图测试
*/
private void TestCycleGraph()
{
DFS dfs = new DFS();
Node a = new Node("A");
Node b = new Node("B");
Node c = new Node("C");
Node d = new Node("D");
Node e = new Node("E");
Node f = new Node("F");
Node g = new Node("G");
Node h = new Node("H");
dfs.AddTwoWayNodes(a, b);
dfs.AddTwoWayNodes(b, c);
dfs.AddTwoWayNodes(c, d);
dfs.AddTwoWayNodes(d, a);
dfs.AddTwoWayNodes(d, g);
dfs.AddTwoWayNodes(a, e);
dfs.AddTwoWayNodes(e, b);
dfs.AddTwoWayNodes(a, f);
dfs.AddTwoWayNodes(b, f);
dfs.AddTwoWayNodes(b, h);
dfs.SetHeadNode(a);
dfs.FindCycles();
}