public Object getCell(final int columnIndex) {
        Preconditions.checkArgument(columnIndex > 0 && columnIndex < data.length + 1);
        return data[columnIndex - 1];
    }
@Test
    void assertGetCellWithNegativeColumnIndex() {
        assertThrows(IllegalArgumentException.class, () -> memoryResultSetRow.getCell(-1));
    }