private void TestDeleteRecordsOnIndex() { try { _logger.Message("Testing DeleteRecordsOnIndex"); //making the table Column indexedColumn = new Column(Column.DataType.Int, "Int", 100); String indexPath = GetFilePath.TableColumnIndex(dbName, tableName, indexedColumn.Name); List <Column> cols = new List <Column>(); cols.Add(indexedColumn); cols.Add(new Column(Column.DataType.Double, "Double", 1)); cols.Add(new Column(Column.DataType.Char, "String", 20)); manager.CreateTable(dbName, tableName, cols); //making records to be inserted List <String> l1 = new List <string>(); l1.Add("5"); l1.Add("5.1"); l1.Add("random1"); Record r1 = new Record(l1); List <String> l2 = new List <string>(); l2.Add("2048000"); l2.Add("5.2"); l2.Add("random2"); Record r2 = new Record(l2); List <String> l3 = new List <string>(); l3.Add("-409600"); l3.Add("5.3"); l3.Add("random3"); Record r3 = new Record(l3); manager.InsertRecord(r1); manager.InsertRecord(r2); manager.InsertRecord(r3); manager.AddIndex(indexedColumn); List <Record> records = manager.SelectRecordsOnIndex(new Condition(indexedColumn, Condition.ConditionType.Equal, "5")); Assert.AreEqual(1, records.Count); AssertRecords(r1, records[0]); records = manager.SelectRecordsOnIndex(new Condition(indexedColumn, Condition.ConditionType.Less, "100")); Assert.AreEqual(2, records.Count); AssertRecords(r3, records[0]); AssertRecords(r1, records[1]); records = manager.SelectRecordsOnIndex(new Condition(indexedColumn, Condition.ConditionType.GreaterEqual, "5")); Assert.AreEqual(2, records.Count); AssertRecords(r1, records[0]); AssertRecords(r2, records[1]); Dictionary <int, Record> dict = new Dictionary <int, Record>(); dict.Add(54, r2); dict.Add(12, r1); manager.DeleteRecordsFromIndices(dict); records = manager.SelectRecordsOnIndex(new Condition(indexedColumn, Condition.ConditionType.Less, "10")); Assert.AreEqual(1, records.Count); AssertRecords(r3, records[0]); } catch (Exception e) { _logger.Error(e.Message); } finally { manager.DropTable(dbName, tableName); } }