public void testWeightedRemoveVertex()
{
WeightedGraph<int> graph = new WeightedGraph<int>();
int num1 = 1;
int num2 = 2;
int num3 = 3;
int num4 = 4;
int num5 = 5;
graph.addEdge(num1, num2);
graph.addEdge(num2, num3);
graph.addEdge(num3, num4);
graph.addEdge(num4, num5);
graph.addEdge(num1, num3);
GraphNode<int> node = new GraphNode<int>(num1);
graph.deleteVertex(num1);
graph.deleteVertex(num4);
Assert.IsFalse(graph.AdjacencyList.ContainsKey(num1));
Assert.IsFalse(graph.AdjacencyList.ContainsKey(num4));
Assert.IsTrue(graph.numVertices == 3);
Assert.IsFalse(graph.AdjacencyList[num2].Contains(node));
}
