assertEquals("C1", xcell.get(2).getR());
assertEquals("F1", xcell.get(3).getR());
//re-creating a row does NOT add extra data to the parent
row2 = sheet.createRow(1);
assertEquals(3, sheetData.sizeOfRowArray());
//existing cells are invalidated
assertEquals(0, sheetData.getRowArray(1).sizeOfCArray());
assertEquals(0, row2.getPhysicalNumberOfCells());
workbook = XSSFTestDataSamples.writeOutAndReadBack(workbook);