public void WhenSetTableNameEmptyThenThrows() { var mapdoc = new HbmMapping(); var hbmJoin = new HbmJoin(); var mapper = new JoinMapper(typeof(MyClass), "AA", hbmJoin, mapdoc); mapper.Executing(x => x.Table(null)).Throws <ArgumentNullException>(); mapper.Executing(x => x.Table("")).Throws <ArgumentOutOfRangeException>(); mapper.Executing(x => x.Table(" ")).Throws <ArgumentOutOfRangeException>(); }