public void GetAllVerticesTest() { MarkovChain <int> chains = new MarkovChain <int>(4); chains.AddEdge(0, 4, 0.2); chains.AddEdge(5, 6, 0.7); chains.AddEdge(7, 9, 0.1); CollectionAssert.AreEquivalent(new List <int> { 0, 4, 5, 6, 7, 9 }, chains.GetAllVertices()); }