public void AdjacencyList_Should_Be_Equal_To_Colored_Vertices()
        {
            AdjacencyList list = new AdjacencyList("2x2onecolor.txt");
            var colorsLine = File.ReadLines("2x2onecolor.txt").First();
            var colors = colorsLine.Split(new [] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(short.Parse);

            Assert.AreEqual(list.Count(), colors.Count());
        }