public void TestMethodGetSimulationUnit()
        {
            int type        = 1;
            int value       = 1;
            var toolkitSWMM = new SWMMToolkit();

            int error = toolkitSWMM.Open(f1, f2, f3);

            error = toolkitSWMM.GetSimulationUnit(type, ref value);

            Assert.AreEqual(0, error);
        }