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);
}
