public void TestSelectAggregation() { int minVal = (int)gateway.Min <Order>(WhereClip.All, Order._.OrderID); int maxVal = (int)gateway.Max <Order>(WhereClip.All, Order._.OrderID); int sumVal = (int)gateway.Sum <Order>(WhereClip.All, Order._.OrderID); int avgVal = (int)gateway.Avg <Order>(WhereClip.All, Order._.OrderID); Assert.IsTrue(minVal < avgVal && avgVal < maxVal && maxVal < sumVal); }