protected override U3Pair RunProxiedDbDataAdapter(List <TestTable> randomDataSource, FakeProxiedDbDataAdapter adapter) { using (FakeDbCommandBuilder cmdBuilder = new FakeDbCommandBuilder(adapter)) { DataTable dataTable = new DataTable(); // `.Fill` returns the number of rows in the first table, not any subsequent tables. Yes, that's silly. Int32 rowsInFirstTable = adapter.Fill(dataTable); rowsInFirstTable.ShouldBe(40); // Dictionary <String, Int32> rowsModified = DataTableMethods.MutateDataTable(dataTable); // adapter.UpdateCommand = cmdBuilder.GetUpdateCommand(); adapter.UpdateCommand.NonQueryResultRowCountValue = (cmd) => DataTableMethods.GetUpdateStatementNonQueryResultRowCountValue(expectedTableName: "TODO", adapter, dataTable, cmd, rowsModified); Int32 updatedRows = adapter.Update3(dataTable); // updatedRows.ShouldBe( rowsModified ); return(dataTable, rowsModified, updatedRows); } }