public void FromFunctionTest()
{
ISqlFunction function = new SqlFunction("SUM");
function.AddArgument(new SqlStringExpression("1"));
function.AddArgument(new SqlStringExpression("2"));
ISqlObject obj = SqlObject.FromFunction(function);
Assert.AreEqual <string>(function.SqlString, obj.Fullname);
Assert.AreEqual <string>(function.SqlString, obj.SqlString);
}