public void Ch05_AQ_02_ReturnCorrectResult() { //create graph D1.AutoCreateGraph_03_TopSort_Directed_for_AQ_02_string(g1); //Get result in a string no spaces List <Node <string> > resultList = Q02.TopSort(g1); StringBuilder sb = new StringBuilder(); foreach (Node <string> node in resultList) { sb.Append(node.Id); } Assert.AreEqual(sb.ToString(), "ABDECFHGIJ"); }