public void GetStochastNames_IllustrationPointNodeNull_ThrowsArgumentNullException()
        {
            // Call
            void Call() => IllustrationPointNodeExtensions.GetStochastNames(null);

            // Assert
            var exception = Assert.Throws <ArgumentNullException>(Call);

            Assert.AreEqual("illustrationPointNode", exception.ParamName);
        }
        public void GetStochastNamesRecursively_IllustrationPointNodeNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate test = () => IllustrationPointNodeExtensions.GetStochastNamesRecursively(null);

            // Assert
            var exception = Assert.Throws <ArgumentNullException>(test);

            Assert.AreEqual("illustrationPointNode", exception.ParamName);
        }