public void TestIS() { //-------------Setup Test Pack ------------------ //-------------Test Pre-conditions -------------- //-------------Execute test --------------------- Criteria criteria = new Criteria("MyField", Criteria.ComparisonOp.Is, "NULL"); //-------------Test Result ---------------------- Assert.IsNotNull(criteria.Field); Assert.AreEqual("MyField", criteria.Field.PropertyName); Assert.IsNull(criteria.Field.Source); Assert.AreEqual("MyField", criteria.Field.FieldName); Assert.AreEqual("NULL", criteria.FieldValue); Assert.AreEqual(Criteria.ComparisonOp.Is, criteria.ComparisonOperator); Assert.IsTrue(criteria.CannotBeParametrised()); }