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Add test which populates cells with null string

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1925187 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2025-04-21 08:51:02 +00:00
parent 7c9a1ce89b
commit 85aa74414c
1 changed files with 30 additions and 0 deletions
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30
poi/src/test/java/org/apache/poi/ss/usermodel/BaseTestCell.java
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@ -1473,6 +1473,36 @@ public abstract class BaseTestCell {
verify(cell).setBlank();
}
@Test
protected void setCellNullString() throws IOException {
try (Workbook wb = _testDataProvider.createWorkbook()) {
Cell cell = getInstance(wb);
cell.setCellValue((String)null);
// setting string "null" leads to a BLANK cell
assertEquals(CellType.BLANK, cell.getCellType());
assertEquals("", cell.getStringCellValue());
assertEquals("", cell.toString());
cell.setCellType(CellType.STRING);
// forcing to string type leads to STRING cell, but still empty strings
assertEquals(CellType.STRING, cell.getCellType());
assertEquals("", cell.getStringCellValue());
assertEquals("", cell.toString());
try (Workbook wb2 = _testDataProvider.writeOutAndReadBack(wb)) {
// read first sheet, first row, first cell
Cell cellBack = wb2.iterator().next().iterator().next().iterator().next();
assertEquals(CellType.STRING, cell.getCellType());
assertEquals("", cell.getStringCellValue());
assertEquals("", cell.toString());
}
}
}
private Cell getInstance(Workbook wb) {
return wb.createSheet().createRow(0).createCell(0);
}