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package org.apache.poi.hssf.record.formula.eval;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator.CellValue;
/**
* Miscellaneous tests for bugzilla entries.<p/> The test name contains the
* bugzilla bug id.
*
*
* @author Josh Micich
*/
public final class TestFormulaBugs extends TestCase {
/**
* Bug 27349 - VLOOKUP with reference to another sheet.<p/> This test was
* added <em>long</em> after the relevant functionality was fixed.
*/
public void test27349() {
// 27349-vlookupAcrossSheets.xls is bugzilla/attachment.cgi?id=10622
InputStream is = HSSFTestDataSamples.openSampleFileStream("27349-vlookupAcrossSheets.xls");
HSSFWorkbook wb;
try {
// original bug may have thrown exception here, or output warning to
// stderr
wb = new HSSFWorkbook(is);
} catch (IOException e) {
throw new RuntimeException(e);
}
HSSFSheet sheet = wb.getSheetAt(0);
HSSFRow row = sheet.getRow(1);
HSSFCell cell = row.getCell(0);
// this definitely would have failed due to 27349
assertEquals("VLOOKUP(1,'DATA TABLE'!$A$8:'DATA TABLE'!$B$10,2)", cell
.getCellFormula());
// We might as well evaluate the formula
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(sheet, wb);
fe.setCurrentRow(row);
CellValue cv = fe.evaluate(cell);
assertEquals(HSSFCell.CELL_TYPE_NUMERIC, cv.getCellType());
assertEquals(3.0, cv.getNumberValue(), 0.0);
}
/**
* Bug 27405 - isnumber() formula always evaluates to false in if statement<p/>
*
* seems to be a duplicate of 24925
*/
public void test27405() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet = wb.createSheet("input");
// input row 0
HSSFRow row = sheet.createRow((short) 0);
HSSFCell cell = row.createCell((short) 0);
cell = row.createCell((short) 1);
cell.setCellValue(1); // B1
// input row 1
row = sheet.createRow((short) 1);
cell = row.createCell((short) 1);
cell.setCellValue(999); // B2
int rno = 4;
row = sheet.createRow(rno);
cell = row.createCell((short) 1); // B5
cell.setCellFormula("isnumber(b1)");
cell = row.createCell((short) 3); // D5
cell.setCellFormula("IF(ISNUMBER(b1),b1,b2)");
if (false) { // set true to check excel file manually
// bug report mentions 'Editing the formula in excel "fixes" the problem.'
try {
FileOutputStream fileOut = new FileOutputStream("27405output.xls");
wb.write(fileOut);
fileOut.close();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
// use POI's evaluator as an extra sanity check
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(sheet, wb);
fe.setCurrentRow(row);
CellValue cv;
cv = fe.evaluate(cell);
assertEquals(HSSFCell.CELL_TYPE_NUMERIC, cv.getCellType());
assertEquals(1.0, cv.getNumberValue(), 0.0);
cv = fe.evaluate(row.getCell(1));
assertEquals(HSSFCell.CELL_TYPE_BOOLEAN, cv.getCellType());
assertEquals(true, cv.getBooleanValue());
}
/**
* Bug 42448 - Can't parse SUMPRODUCT(A!C7:A!C67, B8:B68) / B69 <p/>
*/
public void test42448() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFSheet sheet1 = wb.createSheet("Sheet1");
HSSFRow row = sheet1.createRow(0);
HSSFCell cell = row.createCell((short) 0);
// it's important to create the referenced sheet first
HSSFSheet sheet2 = wb.createSheet("A"); // note name 'A'
// TODO - POI crashes if the formula is added before this sheet
// RuntimeException("Zero length string is an invalid sheet name")
// Excel doesn't crash but the formula doesn't work until it is
// re-entered
String inputFormula = "SUMPRODUCT(A!C7:A!C67, B8:B68) / B69"; // as per bug report
try {
cell.setCellFormula(inputFormula);
} catch (StringIndexOutOfBoundsException e) {
throw new AssertionFailedError("Identified bug 42448");
}
assertEquals("SUMPRODUCT(A!C7:C67,B8:B68)/B69", cell.getCellFormula());
// might as well evaluate the sucker...
addCell(sheet2, 5, 2, 3.0); // A!C6
addCell(sheet2, 6, 2, 4.0); // A!C7
addCell(sheet2, 66, 2, 5.0); // A!C67
addCell(sheet2, 67, 2, 6.0); // A!C68
addCell(sheet1, 6, 1, 7.0); // B7
addCell(sheet1, 7, 1, 8.0); // B8
addCell(sheet1, 67, 1, 9.0); // B68
addCell(sheet1, 68, 1, 10.0); // B69
double expectedResult = (4.0 * 8.0 + 5.0 * 9.0) / 10.0;
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(sheet1, wb);
fe.setCurrentRow(row);
CellValue cv = fe.evaluate(cell);
assertEquals(HSSFCell.CELL_TYPE_NUMERIC, cv.getCellType());
assertEquals(expectedResult, cv.getNumberValue(), 0.0);
}
private static void addCell(HSSFSheet sheet, int rowIx, int colIx,
double value) {
sheet.createRow(rowIx).createCell((short) colIx).setCellValue(value);
}
}