protected static void ComputeWithoutRoot_Throws_Test <TGraph>(
[NotNull] IMutableVertexSet <int> graph,
[NotNull, InstantHandle] Func <RootedSearchAlgorithmBase <int, TGraph> > createAlgorithm)
where TGraph : IImplicitVertexSet <int>
{
RootedSearchAlgorithmBase <int, TGraph> algorithm = createAlgorithm();
Assert.Throws <InvalidOperationException>(algorithm.Compute);
// Source (and target) vertex set but not to a vertex in the graph
const int vertex1 = 1;
algorithm = createAlgorithm();
algorithm.SetRootVertex(vertex1);
algorithm.SetTargetVertex(vertex1);
Assert.Throws <VertexNotFoundException>(algorithm.Compute);
const int vertex2 = 2;
graph.AddVertex(vertex1);
algorithm = createAlgorithm();
algorithm.SetRootVertex(vertex1);
algorithm.SetTargetVertex(vertex2);
Assert.Throws <VertexNotFoundException>(algorithm.Compute);
}
