public virtual void TestMathLog()
{
var one = db.Customers.Where(c => c.CustomerID == "ALFKI").Sum(c => Math.Log((c.CustomerID == "ALFKI") ? 1.0 : 1.0));
var e = db.Customers.Where(c => c.CustomerID == "ALFKI").Sum(c => Math.Log((c.CustomerID == "ALFKI") ? Math.E : Math.E));
AssertValue(Math.Log(1.0), one, 0.0001);
AssertValue(Math.Log(Math.E), e, 0.0001);
}