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Bug 56688: Fix border cases in EDATE function: handle RefEval and BlankEval and also return #VALUE, not #REF if case of error 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1612557 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2014-07-22 12:31:56 +00:00
parent 5e74bf9133
commit 3853004e6d
8 changed files with 192 additions and 53 deletions
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13
src/java/org/apache/poi/ss/formula/functions/EDate.java
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@ -36,8 +36,7 @@ public class EDate implements FreeRefFunction {
}
try {
double startDateAsNumber = getValue(args[0]);
NumberEval offsetInYearsValue = (NumberEval) args[1];
int offsetInMonthAsNumber = (int) offsetInYearsValue.getNumberValue();
int offsetInMonthAsNumber = (int) getValue(args[1]);
Date startDate = DateUtil.getJavaDate(startDateAsNumber);
Calendar calendar = Calendar.getInstance();
@ -53,10 +52,18 @@ public class EDate implements FreeRefFunction {
if (arg instanceof NumberEval) {
return ((NumberEval) arg).getNumberValue();
}
if(arg instanceof BlankEval) {
return 0;
}
if (arg instanceof RefEval) {
ValueEval innerValueEval = ((RefEval) arg).getInnerValueEval();
if(innerValueEval instanceof NumberEval) {
return ((NumberEval) innerValueEval).getNumberValue();
}
throw new EvaluationException(ErrorEval.REF_INVALID);
if(innerValueEval instanceof BlankEval) {
return 0;
}
}
throw new EvaluationException(ErrorEval.VALUE_INVALID);
}
}

89
src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFBugs.java
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@ -18,13 +18,7 @@
package org.apache.poi.xssf.usermodel;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.junit.Assert.*;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@ -48,25 +42,7 @@ import org.apache.poi.ss.formula.WorkbookEvaluator;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.formula.functions.Function;
import org.apache.poi.ss.usermodel.BaseTestBugzillaIssues;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellValue;
import org.apache.poi.ss.usermodel.ClientAnchor;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.CreationHelper;
import org.apache.poi.ss.usermodel.DataFormatter;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.FormulaError;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Name;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.AreaReference;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellReference;
@ -589,6 +565,7 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
r = s.getRow(0);
c = r.getCell(0);
assertEquals("hello world", c.getRichStringCellValue().toString());
wb.close();
}
/**
@ -639,6 +616,7 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
assertEquals("A7", cc.getCTCalcChain().getCArray(5).getR());
assertEquals("A8", cc.getCTCalcChain().getCArray(6).getR());
assertEquals(40, cc.getCTCalcChain().sizeOfCArray());
wbRead.close();
wbRead = XSSFTestDataSamples.writeOutAndReadBack(wb);
@ -648,18 +626,23 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
sheet.getRow(1).getCell(0).setCellFormula("A1"); // stay
sheet.getRow(2).getCell(0).setCellFormula(null); // go
sheet.getRow(3).getCell(0).setCellType(Cell.CELL_TYPE_FORMULA); // stay
wbRead.close();
wbRead = XSSFTestDataSamples.writeOutAndReadBack(wb);
sheet.getRow(4).getCell(0).setCellType(Cell.CELL_TYPE_STRING); // go
wbRead.close();
wbRead = XSSFTestDataSamples.writeOutAndReadBack(wb);
validateCells(sheet);
sheet.getRow(5).removeCell(sheet.getRow(5).getCell(0)); // go
validateCells(sheet);
wbRead.close();
wbRead = XSSFTestDataSamples.writeOutAndReadBack(wb);
sheet.getRow(6).getCell(0).setCellType(Cell.CELL_TYPE_BLANK); // go
wbRead.close();
wbRead = XSSFTestDataSamples.writeOutAndReadBack(wb);
sheet.getRow(7).getCell(0).setCellValue((String) null); // go
wbRead.close();
wbRead = XSSFTestDataSamples.writeOutAndReadBack(wb);
@ -671,6 +654,7 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
assertEquals("A2", cc.getCTCalcChain().getCArray(0).getR());
assertEquals("A4", cc.getCTCalcChain().getCArray(1).getR());
assertEquals("A9", cc.getCTCalcChain().getCArray(2).getR());
wbRead.close();
}
@Test
@ -961,6 +945,7 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
row = sheet.getRow(2);
cell = row.getCell(2);
assertEquals(text, cell.getStringCellValue());
wb.close();
// FileOutputStream out = new FileOutputStream("/tmp/test48877.xlsx");
// wb.write(out);
@ -1125,6 +1110,9 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
assertEquals(true, s2.getCTWorksheet().isSetPageMargins());
assertEquals(true, ps2.getValidSettings());
assertEquals(false, ps2.getLandscape());
wb1.close();
wb2.close();
}
/**
@ -1201,6 +1189,7 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
assertEquals(pinkStyle, s.getColumnStyle(0));
assertEquals(defaultStyle, s.getColumnStyle(2));
assertEquals(blueStyle, s.getColumnStyle(3));
wb.close();
}
/**
@ -1532,6 +1521,8 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
byte secondSave[] = bos.toByteArray();
assertThat(firstSave, equalTo(secondSave));
wb.close();
}
/**
@ -1720,7 +1711,8 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
FileInputStream is = new FileInputStream(outFile);
try {
final Workbook newWB;
Workbook newWB = null;
try {
if(wb instanceof XSSFWorkbook) {
newWB = new XSSFWorkbook(is);
} else if(wb instanceof HSSFWorkbook) {
@ -1731,8 +1723,51 @@ public final class TestXSSFBugs extends BaseTestBugzillaIssues {
throw new IllegalStateException("Unknown workbook: " + wb);
}
assertNotNull(newWB.getSheet("test"));
} finally {
newWB.close();
}
} finally {
is.close();
}
}
@Test
public void testBug56688_1() {
XSSFWorkbook excel = XSSFTestDataSamples.openSampleWorkbook("56688_1.xlsx");
checkValue(excel, "-1.0"); /* Not 0.0 because POI sees date "0" minus one month as invalid date, which is -1! */
}
@Test
public void testBug56688_2() {
XSSFWorkbook excel = XSSFTestDataSamples.openSampleWorkbook("56688_2.xlsx");
checkValue(excel, "#VALUE!");
}
@Test
public void testBug56688_3() {
XSSFWorkbook excel = XSSFTestDataSamples.openSampleWorkbook("56688_3.xlsx");
checkValue(excel, "#VALUE!");
}
@Test
public void testBug56688_4() {
XSSFWorkbook excel = XSSFTestDataSamples.openSampleWorkbook("56688_4.xlsx");
// Calendar calendar = Calendar.getInstance();
// calendar.add(Calendar.MONTH, 2);
// double excelDate = DateUtil.getExcelDate(calendar.getTime());
// NumberEval eval = new NumberEval(Math.floor(excelDate));
// checkValue(excel, eval.getStringValue() + ".0");
checkValue(excel, "41904.0");
}
private void checkValue(XSSFWorkbook excel, String expect) {
XSSFFormulaEvaluator evaluator = new XSSFFormulaEvaluator(excel);
evaluator.evaluateAll();
XSSFCell cell = excel.getSheetAt(0).getRow(1).getCell(1);
CellValue value = evaluator.evaluate(cell);
assertEquals(expect, value.formatAsString());
}
}

26
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFDateUtil.java
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@ -21,6 +21,9 @@ import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
@ -28,6 +31,7 @@ import java.util.TimeZone;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.model.InternalWorkbook;
import org.apache.poi.ss.usermodel.DateUtil;
import org.junit.Test;
/**
@ -337,9 +341,10 @@ public final class TestHSSFDateUtil {
/**
* Test that against a real, test file, we still do everything
* correctly
* @throws IOException
*/
@Test
public void onARealFile() {
public void onARealFile() throws IOException {
HSSFWorkbook workbook = HSSFTestDataSamples.openSampleWorkbook("DateFormats.xls");
HSSFSheet sheet = workbook.getSheetAt(0);
@ -394,6 +399,18 @@ public final class TestHSSFDateUtil {
assertFalse(HSSFDateUtil.isInternalDateFormat(cell.getCellStyle().getDataFormat()));
assertTrue(HSSFDateUtil.isADateFormat(style.getDataFormat(), style.getDataFormatString()));
assertTrue(HSSFDateUtil.isCellDateFormatted(cell));
workbook.close();
}
@Test
public void excelDateBorderCases() throws ParseException {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
assertEquals(1.0, DateUtil.getExcelDate(df.parse("1900-01-01")), 0.00001);
assertEquals(31.0, DateUtil.getExcelDate(df.parse("1900-01-31")), 0.00001);
assertEquals(32.0, DateUtil.getExcelDate(df.parse("1900-02-01")), 0.00001);
assertEquals(/* BAD_DATE! */ -1.0, DateUtil.getExcelDate(df.parse("1899-12-31")), 0.00001);
}
@Test
@ -495,9 +512,10 @@ public final class TestHSSFDateUtil {
/**
* User reported a datetime issue in POI-2.5:
* Setting Cell's value to Jan 1, 1900 without a time doesn't return the same value set to
* @throws IOException
*/
@Test
public void bug19172()
public void bug19172() throws IOException
{
HSSFWorkbook workbook = new HSSFWorkbook();
HSSFSheet sheet = workbook.createSheet();
@ -505,7 +523,7 @@ public final class TestHSSFDateUtil {
Calendar cal = Calendar.getInstance();
// A pseduo special Excel dates
// A pseudo special Excel dates
cal.set(1900, 0, 1);
Date valueToTest = cal.getTime();
@ -515,6 +533,8 @@ public final class TestHSSFDateUtil {
Date returnedValue = cell.getDateCellValue();
assertEquals(valueToTest.getTime(), returnedValue.getTime());
workbook.close();
}
/**

87
src/testcases/org/apache/poi/ss/formula/functions/TestEDate.java
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@ -17,22 +17,65 @@
package org.apache.poi.ss.formula.functions;
import java.util.Calendar;
import java.util.Date;
import junit.framework.TestCase;
import org.apache.poi.ss.formula.eval.AreaEval;
import org.apache.poi.ss.formula.eval.BlankEval;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.formula.eval.NumberEval;
import org.apache.poi.ss.formula.eval.RefEval;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.ErrorConstants;
import java.util.Calendar;
import java.util.Date;
public class TestEDate extends TestCase{
private final class RefEvalImplementation implements RefEval {
private final ValueEval value;
public RefEvalImplementation(ValueEval value) {
super();
this.value = value;
}
public AreaEval offset(int relFirstRowIx, int relLastRowIx,
int relFirstColIx, int relLastColIx) {
throw new UnsupportedOperationException();
}
public int getRow() {
throw new UnsupportedOperationException();
}
public ValueEval getInnerValueEval() {
return value;
}
public int getColumn() {
throw new UnsupportedOperationException();
}
}
public void testEDateProperValues() {
// verify some border-case combinations of startDate and month-increase
checkValue(1000, 0, 1000d);
checkValue(1, 0, 1d);
checkValue(0, 1, 31d);
checkValue(1, 1, 32d);
checkValue(0, 0, /* BAD_DATE! */ -1.0d);
checkValue(0, -2, /* BAD_DATE! */ -1.0d);
checkValue(0, -3, /* BAD_DATE! */ -1.0d);
checkValue(49104, 0, 49104d);
checkValue(49104, 1, 49134d);
}
private void checkValue(int startDate, int monthInc, double expectedResult) {
EDate eDate = new EDate();
NumberEval result = (NumberEval) eDate.evaluate(new ValueEval[]{new NumberEval(1000), new NumberEval(0)}, null);
assertEquals(1000d, result.getNumberValue());
NumberEval result = (NumberEval) eDate.evaluate(new ValueEval[]{new NumberEval(startDate), new NumberEval(monthInc)}, null);
assertEquals(expectedResult, result.getNumberValue());
}
public void testEDateInvalidValues() {
@ -65,4 +108,38 @@ public class TestEDate extends TestCase{
instance.add(Calendar.MONTH, offset);
assertEquals(resultDate, instance.getTime());
}
public void testBug56688() {
EDate eDate = new EDate();
NumberEval result = (NumberEval) eDate.evaluate(new ValueEval[]{new NumberEval(1000), new RefEvalImplementation(new NumberEval(0))}, null);
assertEquals(1000d, result.getNumberValue());
}
public void testRefEvalStartDate() {
EDate eDate = new EDate();
NumberEval result = (NumberEval) eDate.evaluate(new ValueEval[]{new RefEvalImplementation(new NumberEval(1000)), new NumberEval(0)}, null);
assertEquals(1000d, result.getNumberValue());
}
public void testEDateInvalidValueEval() {
ValueEval evaluate = new EDate().evaluate(new ValueEval[]{new ValueEval() {}, new NumberEval(0)}, null);
assertTrue(evaluate instanceof ErrorEval);
assertEquals(ErrorEval.VALUE_INVALID, evaluate);
}
public void testEDateBlankValueEval() {
NumberEval evaluate = (NumberEval) new EDate().evaluate(new ValueEval[]{BlankEval.instance, new NumberEval(0)}, null);
assertEquals(-1.0d, evaluate.getNumberValue());
}
public void testEDateBlankRefValueEval() {
EDate eDate = new EDate();
NumberEval result = (NumberEval) eDate.evaluate(new ValueEval[]{new RefEvalImplementation(BlankEval.instance), new NumberEval(0)}, null);
assertEquals("0 startDate triggers BAD_DATE currently, thus -1.0!",
-1.0d, result.getNumberValue());
result = (NumberEval) eDate.evaluate(new ValueEval[]{new NumberEval(1), new RefEvalImplementation(BlankEval.instance)}, null);
assertEquals("Blank is handled as 0 otherwise",
1.0d, result.getNumberValue());
}
}

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