public void UndirectedPathToFiveHasTwoVertices()
{
var input = CreateTestInput();
var g = new Graph(GraphType.Undirected, input, 7);
var search = new Dfs(g, 0);
var path = search.PathTo(5).ToArray();
Assert.AreEqual(2, search.DistanceTo(5));
Assert.AreEqual(2, path[0]);
Assert.AreEqual(5, path[1]);
}
