AnalyzerUnitTest.OverallReciprocationCalculatorTest.TestCalculateGraphMetrics5 C# (CSharp) Method

        TestCalculateGraphMetrics5()
        {
            // Directed graph, sample from http://
            // faculty.ucr.edu/~hanneman/nettext/C8_Embedding.html#reciprocity
            //
            // ...but with self-loops.  The self-loops should not affect the
            // results.

            Boolean bIsDirected = true;
            CreateGraph(bIsDirected);

            IVertex oVertexA = m_oVertices.Add();
            IVertex oVertexB = m_oVertices.Add();
            IVertex oVertexC = m_oVertices.Add();

            m_oEdges.Add(oVertexA, oVertexB, bIsDirected);
            m_oEdges.Add(oVertexB, oVertexA, bIsDirected);
            m_oEdges.Add(oVertexB, oVertexC, bIsDirected);

            m_oEdges.Add(oVertexA, oVertexA, bIsDirected);
            m_oEdges.Add(oVertexB, oVertexB, bIsDirected);
            m_oEdges.Add(oVertexC, oVertexC, bIsDirected);

            Nullable<Double> dReciprocatedVertexPairRatio, dReciprocatedEdgeRatio;

            m_oOverallReciprocationCalculator.CalculateGraphMetrics(m_oGraph,
                out dReciprocatedVertexPairRatio, out dReciprocatedEdgeRatio);

            Assert.AreEqual(0.5, dReciprocatedVertexPairRatio.Value);
            Assert.AreEqual(0.667, dReciprocatedEdgeRatio.Value, 0.001);
        }