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package org.apache.poi.hssf.record.formula.eval;
import java.util.EmptyStackException;
import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.CellValue;
/**
* Tests for {@link MissingArgEval}
*
* @author Josh Micich
*/
public final class TestMissingArgEval extends TestCase {
public void testEvaluateMissingArgs() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
HSSFSheet sheet = wb.createSheet("Sheet1");
HSSFCell cell = sheet.createRow(0).createCell(0);
cell.setCellFormula("if(true,)");
fe.clearAllCachedResultValues();
CellValue cv;
try {
cv = fe.evaluate(cell);
} catch (EmptyStackException e) {
throw new AssertionFailedError("Missing args evaluation not implemented (bug 43354");
}
// MissingArg -> BlankEval -> zero (as formula result)
assertEquals(0.0, cv.getNumberValue(), 0.0);
// MissingArg -> BlankEval -> empty string (in concatenation)
cell.setCellFormula("\"abc\"&if(true,)");
fe.clearAllCachedResultValues();
assertEquals("abc", fe.evaluate(cell).getStringValue());
}
public void testCountFuncs() {
HSSFWorkbook wb = new HSSFWorkbook();
HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
HSSFSheet sheet = wb.createSheet("Sheet1");
HSSFCell cell = sheet.createRow(0).createCell(0);
cell.setCellFormula("COUNT(C5,,,,)"); // 4 missing args, C5 is blank
assertEquals(4.0, fe.evaluate(cell).getNumberValue(), 0.0);
cell.setCellFormula("COUNTA(C5,,)"); // 2 missing args, C5 is blank
fe.clearAllCachedResultValues();
assertEquals(2.0, fe.evaluate(cell).getNumberValue(), 0.0);
}
}