TestLinkTable.java
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package org.apache.poi.hssf.model;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.record.BOFRecord;
import org.apache.poi.hssf.record.CRNCountRecord;
import org.apache.poi.hssf.record.CountryRecord;
import org.apache.poi.hssf.record.EOFRecord;
import org.apache.poi.hssf.record.ExternSheetRecord;
import org.apache.poi.hssf.record.ExternalNameRecord;
import org.apache.poi.hssf.record.NameCommentRecord;
import org.apache.poi.hssf.record.NameRecord;
import org.apache.poi.hssf.record.Record;
import org.apache.poi.hssf.record.RecordInputStream;
import org.apache.poi.hssf.record.SSTRecord;
import org.apache.poi.hssf.record.SupBookRecord;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.formula.ptg.NameXPtg;
import org.apache.poi.util.LittleEndian;
import org.junit.jupiter.api.Test;
/**
* Tests for {@link LinkTable}
*/
final class TestLinkTable {
/*
* The example file attached to bugzilla 45046 is a clear example of Name records being present
* without an External Book (SupBook) record. Excel has no trouble reading this file.<br>
* TODO get OOO documentation updated to reflect this (that EXTERNALBOOK is optional).
*
* It's not clear what exact steps need to be taken in Excel to create such a workbook
*/
@Test
void testLinkTableWithoutExternalBookRecord_bug45046() throws IOException {
// Bug 45046 b: DEFINEDNAME is part of LinkTable
try (HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("ex45046-21984.xls")) {
// some other sanity checks
assertEquals(3, wb.getNumberOfSheets());
String formula = wb.getSheetAt(0).getRow(4).getCell(13).getCellFormula();
// The reported symptom of this bugzilla is an earlier bug (already fixed)
// This is observable in version 3.0
assertNotEquals("ipcSummenproduktIntern($P5,N$6,$A$9,N$5)", formula);
assertEquals("ipcSummenproduktIntern($C5,N$2,$A$9,N$1)", formula);
}
}
@Test
void testMultipleExternSheetRecords_bug45698() throws IOException {
// Bug: Extern sheet is part of LinkTable
try (HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("ex45698-22488.xls")) {
// some other sanity checks
assertEquals(7, wb.getNumberOfSheets());
}
}
@Test
void testExtraSheetRefs_bug45978() throws IOException {
try (HSSFWorkbook wb = HSSFTestDataSamples.openSampleWorkbook("ex45978-extraLinkTableSheets.xls")) {
/*
ex45978-extraLinkTableSheets.xls is a cut-down version of attachment 22561.
The original file produces the same error.
This bug was caused by a combination of invalid sheet indexes in the EXTERNSHEET
record, and eager initialisation of the extern sheet references. Note - the workbook
has 2 sheets, but the EXTERNSHEET record refers to sheet indexes 0, 1 and 2.
Offset 0x3954 (14676)
recordid = 0x17, size = 32
[EXTERNSHEET]
numOfRefs = 5
refrec #0: extBook=0 firstSheet=0 lastSheet=0
refrec #1: extBook=1 firstSheet=2 lastSheet=2
refrec #2: extBook=2 firstSheet=1 lastSheet=1
refrec #3: extBook=0 firstSheet=-1 lastSheet=-1
refrec #4: extBook=0 firstSheet=1 lastSheet=1
[/EXTERNSHEET]
As it turns out, the formula in question doesn't even use externSheetIndex #1 - it
uses #4, which resolves to sheetIndex 1 -> 'Data'.
It is not clear exactly what externSheetIndex #4 would refer to. Excel seems to
display such a formula as "''!$A2", but then complains of broken link errors.
*/
HSSFCell cell = wb.getSheetAt(0).getRow(1).getCell(1);
// Bug: IndexOutOfBoundsException - Index: 2, Size: 2
String cellFormula = cell.getCellFormula();
assertEquals("Data!$A2", cellFormula);
}
}
/**
* This problem was visible in POI svn r763332
* when reading the workbook of attachment 23468 from bugzilla 47001
*/
@Test
void testMissingExternSheetRecord_bug47001b() {
Record[] recs = {
SupBookRecord.createAddInFunctions(),
new SSTRecord(),
};
List<org.apache.poi.hssf.record.Record> recList = Arrays.asList(recs);
WorkbookRecordList wrl = new WorkbookRecordList();
// Bug 47001b: Expected an EXTERNSHEET record but got (org.apache.poi.hssf.record.SSTRecord)
LinkTable lt = new LinkTable(recList, 0, wrl, Collections.emptyMap());
assertNotNull(lt);
assertThrows(IllegalStateException.class,
() -> lt.getExternalBookAndSheetName(0));
}
@Test
void testCRNCountRecordInvalid() {
byte[] data = new byte[22];
LittleEndian.putShort(data, 0, CRNCountRecord.sid);
LittleEndian.putShort(data, 2, (short)18);
LittleEndian.putShort(data, 4, (short)55);
LittleEndian.putInt(data, 6, 56);
RecordInputStream in = new RecordInputStream(new ByteArrayInputStream(data));
in.nextRecord();
Record[] recs = {
SupBookRecord.createAddInFunctions(),
new CRNCountRecord(in),
new SSTRecord(),
};
List<org.apache.poi.hssf.record.Record> recList = Arrays.asList(recs);
WorkbookRecordList wrl = new WorkbookRecordList();
assertThrows(IllegalStateException.class,
() -> new LinkTable(recList, 0, wrl, Collections.emptyMap()));
}
@Test
void testNameCommentRecordBetweenNameRecords() {
final Record[] recs = {
new NameRecord(),
new NameCommentRecord("name1", "comment1"),
new NameRecord(),
new NameCommentRecord("name2", "comment2"),
};
final List<org.apache.poi.hssf.record.Record> recList = Arrays.asList(recs);
final WorkbookRecordList wrl = new WorkbookRecordList();
final Map<String, NameCommentRecord> commentRecords = new LinkedHashMap<>();
final LinkTable lt = new LinkTable(recList, 0, wrl, commentRecords);
assertNotNull(lt);
assertEquals(2, commentRecords.size());
assertSame(recs[1], commentRecords.get("name1")); //== is intentionally not .equals()!
assertSame(recs[3], commentRecords.get("name2")); //== is intentionally not .equals()!
assertEquals(2, lt.getNumNames());
}
@Test
void testAddNameX(){
WorkbookRecordList wrl = new WorkbookRecordList();
wrl.add(0, new BOFRecord());
wrl.add(1, new CountryRecord());
wrl.add(2, EOFRecord.instance);
int numberOfSheets = 3;
LinkTable tbl = new LinkTable(numberOfSheets, wrl);
// creation of a new LinkTable insert two new records: SupBookRecord followed by ExternSheetRecord
// assure they are in place:
// [BOFRecord]
// [CountryRecord]
// [SUPBOOK Internal References nSheets= 3]
// [EXTERNSHEET]
// [EOFRecord]
assertEquals(5, wrl.getRecords().size());
assertTrue(wrl.get(2) instanceof SupBookRecord);
SupBookRecord sup1 = (SupBookRecord)wrl.get(2);
assertEquals(numberOfSheets, sup1.getNumberOfSheets());
assertTrue(wrl.get(3) instanceof ExternSheetRecord);
ExternSheetRecord extSheet = (ExternSheetRecord)wrl.get(3);
assertEquals(0, extSheet.getNumOfRefs());
assertNull(tbl.getNameXPtg("ISODD", -1));
assertEquals(5, wrl.getRecords().size()); //still have five records
NameXPtg namex1 = tbl.addNameXPtg("ISODD"); // adds two new rercords
assertEquals(0, namex1.getSheetRefIndex());
assertEquals(0, namex1.getNameIndex());
NameXPtg act = tbl.getNameXPtg("ISODD", -1);
assertNotNull(act);
assertEquals(namex1.toString(), act.toString());
// Can only find on the right sheet ref, if restricting
act = tbl.getNameXPtg("ISODD", 0);
assertNotNull(act);
assertEquals(namex1.toString(), act.toString());
assertNull(tbl.getNameXPtg("ISODD", 1));
assertNull(tbl.getNameXPtg("ISODD", 2));
// assure they are in place:
// [BOFRecord]
// [CountryRecord]
// [SUPBOOK Internal References nSheets= 3]
// [SUPBOOK Add-In Functions nSheets= 1]
// [EXTERNALNAME .name = ISODD]
// [EXTERNSHEET]
// [EOFRecord]
assertEquals(7, wrl.getRecords().size());
assertTrue(wrl.get(3) instanceof SupBookRecord);
SupBookRecord sup2 = (SupBookRecord)wrl.get(3);
assertTrue(sup2.isAddInFunctions());
assertTrue(wrl.get(4) instanceof ExternalNameRecord);
ExternalNameRecord ext1 = (ExternalNameRecord)wrl.get(4);
assertEquals("ISODD", ext1.getText());
assertTrue(wrl.get(5) instanceof ExternSheetRecord);
assertEquals(1, extSheet.getNumOfRefs());
//check that
assertEquals(0, tbl.resolveNameXIx(namex1.getSheetRefIndex(), namex1.getNameIndex()));
assertEquals("ISODD", tbl.resolveNameXText(namex1.getSheetRefIndex(), namex1.getNameIndex(), null));
assertNull(tbl.getNameXPtg("ISEVEN", -1));
NameXPtg namex2 = tbl.addNameXPtg("ISEVEN"); // adds two new rercords
assertEquals(0, namex2.getSheetRefIndex());
assertEquals(1, namex2.getNameIndex()); // name index increased by one
act = tbl.getNameXPtg("ISEVEN", -1);
assertNotNull(act);
assertEquals(namex2.toString(), act.toString());
assertEquals(8, wrl.getRecords().size());
// assure they are in place:
// [BOFRecord]
// [CountryRecord]
// [SUPBOOK Internal References nSheets= 3]
// [SUPBOOK Add-In Functions nSheets= 1]
// [EXTERNALNAME .name = ISODD]
// [EXTERNALNAME .name = ISEVEN]
// [EXTERNSHEET]
// [EOFRecord]
assertTrue(wrl.get(3) instanceof SupBookRecord);
assertTrue(wrl.get(4) instanceof ExternalNameRecord);
assertTrue(wrl.get(5) instanceof ExternalNameRecord);
assertEquals("ISODD", ((ExternalNameRecord)wrl.get(4)).getText());
assertEquals("ISEVEN", ((ExternalNameRecord)wrl.get(5)).getText());
assertTrue(wrl.get(6) instanceof ExternSheetRecord);
assertTrue(wrl.get(7) instanceof EOFRecord);
assertEquals(0, tbl.resolveNameXIx(namex2.getSheetRefIndex(), namex2.getNameIndex()));
assertEquals("ISEVEN", tbl.resolveNameXText(namex2.getSheetRefIndex(), namex2.getNameIndex(), null));
}
}