TestCalculateGraphMetrics2()
{
// Undirected graph.
Boolean bIsDirected = false;
CreateGraph(bIsDirected);
IVertex oVertexA = m_oVertices.Add();
IVertex oVertexB = m_oVertices.Add();
m_oEdges.Add(oVertexA, oVertexB, bIsDirected);
Nullable<Double> dReciprocatedVertexPairRatio, dReciprocatedEdgeRatio;
m_oOverallReciprocationCalculator.CalculateGraphMetrics(m_oGraph,
out dReciprocatedVertexPairRatio, out dReciprocatedEdgeRatio);
Assert.IsFalse(dReciprocatedVertexPairRatio.HasValue);
Assert.IsFalse(dReciprocatedEdgeRatio.HasValue);
}