poi/src/test/java/org/apache/poi/hssf/util/TestAreaReference.java - poi - Git at Google

 /* ====================================================================
    Licensed to the Apache Software Foundation (ASF) under one or more
    contributor license agreements.  See the NOTICE file distributed with
    this work for additional information regarding copyright ownership.
    The ASF licenses this file to You under the Apache License, Version 2.0
    (the "License"); you may not use this file except in compliance with
    the License.  You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
 ==================================================================== */

 package org.apache.poi.hssf.util;

 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;

 import java.io.InputStream;

 import org.apache.poi.hssf.HSSFTestDataSamples;
 import org.apache.poi.hssf.model.HSSFFormulaParser;
 import org.apache.poi.hssf.model.InternalWorkbook;
 import org.apache.poi.hssf.record.NameRecord;
 import org.apache.poi.hssf.usermodel.HSSFCell;
 import org.apache.poi.hssf.usermodel.HSSFEvaluationWorkbook;
 import org.apache.poi.hssf.usermodel.HSSFName;
 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.TestHSSFWorkbook;
 import org.apache.poi.ss.SpreadsheetVersion;
 import org.apache.poi.ss.formula.ptg.Area3DPtg;
 import org.apache.poi.ss.formula.ptg.MemFuncPtg;
 import org.apache.poi.ss.formula.ptg.Ptg;
 import org.apache.poi.ss.formula.ptg.UnionPtg;
 import org.apache.poi.ss.util.AreaReference;
 import org.apache.poi.ss.util.CellReference;
 import org.junit.jupiter.api.Test;

 final class TestAreaReference {

     @Test
     void testAreaRef1() {
         AreaReference ar = new AreaReference("$A$1:$B$2", SpreadsheetVersion.EXCEL97);
         assertFalse(ar.isSingleCell(), "Two cells expected");
         CellReference cf = ar.getFirstCell();
         assertEquals(0, cf.getRow(), "row is 4");
         assertEquals(0, cf.getCol(), "col is 1");
         assertTrue(cf.isRowAbsolute(), "row is abs");
         assertTrue(cf.isColAbsolute(), "col is abs");
         assertEquals("$A$1", cf.formatAsString(), "string is $A$1");

         cf = ar.getLastCell();
         assertEquals(1, cf.getRow(), "row is 4");
         assertEquals(1, cf.getCol(), "col is 1");
         assertTrue(cf.isRowAbsolute(), "row is abs");
         assertTrue(cf.isColAbsolute(), "col is abs");
         assertEquals("$B$2", cf.formatAsString(), "string is $B$2");

         CellReference[] refs = ar.getAllReferencedCells();
         assertEquals(4, refs.length);

         assertEquals(0, refs[0].getRow());
         assertEquals(0, refs[0].getCol());
         assertNull(refs[0].getSheetName());

         assertEquals(0, refs[1].getRow());
         assertEquals(1, refs[1].getCol());
         assertNull(refs[1].getSheetName());

         assertEquals(1, refs[2].getRow());
         assertEquals(0, refs[2].getCol());
         assertNull(refs[2].getSheetName());

         assertEquals(1, refs[3].getRow());
         assertEquals(1, refs[3].getCol());
         assertNull(refs[3].getSheetName());
     }

     /**
      * References failed when sheet names were being used Reported by
      * Arne.Clauss@gedas.de
      */
     @Test
     void testReferenceWithSheet() {
         AreaReference ar;

         ar = new AreaReference("Tabelle1!B5:B5", SpreadsheetVersion.EXCEL97);
         assertTrue(ar.isSingleCell());
         TestCellReference.confirmCell(ar.getFirstCell(), "Tabelle1", 4, 1, false, false, "Tabelle1!B5");

         assertEquals(1, ar.getAllReferencedCells().length);

         ar = new AreaReference("Tabelle1!$B$5:$B$7", SpreadsheetVersion.EXCEL97);
         assertFalse(ar.isSingleCell());

         TestCellReference.confirmCell(ar.getFirstCell(), "Tabelle1", 4, 1, true, true, "Tabelle1!$B$5");
         TestCellReference.confirmCell(ar.getLastCell(), "Tabelle1", 6, 1, true, true, "Tabelle1!$B$7");

         // And all that make it up
         CellReference[] allCells = ar.getAllReferencedCells();
         assertEquals(3, allCells.length);
         TestCellReference.confirmCell(allCells[0], "Tabelle1", 4, 1, true, true, "Tabelle1!$B$5");
         TestCellReference.confirmCell(allCells[1], "Tabelle1", 5, 1, true, true, "Tabelle1!$B$6");
         TestCellReference.confirmCell(allCells[2], "Tabelle1", 6, 1, true, true, "Tabelle1!$B$7");
     }

     @Test
     void testContiguousReferences() {
         String refSimple = "$C$10:$C$10";
         String ref2D = "$C$10:$D$11";
         String refDCSimple = "$C$10:$C$10,$D$12:$D$12,$E$14:$E$14";
         String refDC2D = "$C$10:$C$11,$D$12:$D$12,$E$14:$E$20";
         String refDC3D = "Tabelle1!$C$10:$C$14,Tabelle1!$D$10:$D$12";
         String refComma = "'A,Sheet'!$A$1:$A$1,'A,Sheet'!$A$4:$A$5";
         String refCommaExp = "'!Sheet,Comma!'!$A$1:$B$1";

         // Check that we detect as contiguous properly
         assertTrue(AreaReference.isContiguous(refSimple));
         assertTrue(AreaReference.isContiguous(ref2D));
         assertFalse(AreaReference.isContiguous(refDCSimple));
         assertFalse(AreaReference.isContiguous(refDC2D));
         assertFalse(AreaReference.isContiguous(refDC3D));
         assertFalse(AreaReference.isContiguous(refComma));
         assertTrue(AreaReference.isContiguous(refCommaExp));

         // Check we can only create contiguous entries
         new AreaReference(refSimple, SpreadsheetVersion.EXCEL97);
         new AreaReference(ref2D, SpreadsheetVersion.EXCEL97);
         assertThrows(IllegalArgumentException.class, () -> new AreaReference(refDCSimple, SpreadsheetVersion.EXCEL97));
         assertThrows(IllegalArgumentException.class, () -> new AreaReference(refDC2D, SpreadsheetVersion.EXCEL97));
         assertThrows(IllegalArgumentException.class, () -> new AreaReference(refDC3D, SpreadsheetVersion.EXCEL97));

         // Test that we split as expected
         AreaReference[] refs;

         refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refSimple);
         assertEquals(1, refs.length);
         assertTrue(refs[0].isSingleCell());
         assertEquals("$C$10", refs[0].formatAsString());

         refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, ref2D);
         assertEquals(1, refs.length);
         assertFalse(refs[0].isSingleCell());
         assertEquals("$C$10:$D$11", refs[0].formatAsString());

         refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refDCSimple);
         assertEquals(3, refs.length);
         assertTrue(refs[0].isSingleCell());
         assertTrue(refs[1].isSingleCell());
         assertTrue(refs[2].isSingleCell());
         assertEquals("$C$10", refs[0].formatAsString());
         assertEquals("$D$12", refs[1].formatAsString());
         assertEquals("$E$14", refs[2].formatAsString());

         refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refDC2D);
         assertEquals(3, refs.length);
         assertFalse(refs[0].isSingleCell());
         assertTrue(refs[1].isSingleCell());
         assertFalse(refs[2].isSingleCell());
         assertEquals("$C$10:$C$11", refs[0].formatAsString());
         assertEquals("$D$12", refs[1].formatAsString());
         assertEquals("$E$14:$E$20", refs[2].formatAsString());

         refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refDC3D);
         assertEquals(2, refs.length);
         assertFalse(refs[0].isSingleCell());
         assertFalse(refs[0].isSingleCell());
         assertEquals("Tabelle1!$C$10:$C$14", refs[0].formatAsString());
         assertEquals("Tabelle1!$D$10:$D$12", refs[1].formatAsString());
         assertEquals("Tabelle1", refs[0].getFirstCell().getSheetName());
         assertEquals("Tabelle1", refs[0].getLastCell().getSheetName());
         assertEquals("Tabelle1", refs[1].getFirstCell().getSheetName());
         assertEquals("Tabelle1", refs[1].getLastCell().getSheetName());

         refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refComma);
         assertEquals(2, refs.length);
         System.out.println(refs[0].formatAsString());
         assertTrue(refs[0].isSingleCell());
         assertEquals("'A,Sheet'!$A$1", refs[0].formatAsString());
         assertEquals("A,Sheet", refs[0].getLastCell().getSheetName());
         assertEquals("'A,Sheet'!$A$4:$A$5", refs[1].formatAsString());
         assertEquals("A,Sheet", refs[1].getLastCell().getSheetName());

         refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refCommaExp);
         assertEquals(1, refs.length);
         assertFalse(refs[0].isSingleCell());
         assertEquals("'!Sheet,Comma!'!$A$1:$B$1", refs[0].formatAsString());
         assertEquals("!Sheet,Comma!", refs[0].getLastCell().getSheetName());
     }

     @Test
     void testDiscontinousReference() throws Exception {
         try (InputStream is = HSSFTestDataSamples.openSampleFileStream("44167.xls");
              HSSFWorkbook wb = new HSSFWorkbook(is)) {
             InternalWorkbook workbook = TestHSSFWorkbook.getInternalWorkbook(wb);
             HSSFEvaluationWorkbook eb = HSSFEvaluationWorkbook.create(wb);

             assertEquals(1, wb.getNumberOfNames());
             String sheetName = "Tabelle1";
             String rawRefA = "$C$10:$C$14";
             String rawRefB = "$C$16:$C$18";
             String refA = sheetName + "!" + rawRefA;
             String refB = sheetName + "!" + rawRefB;
             String ref = refA + "," + refB;

             // Check the low level record
             NameRecord nr = workbook.getNameRecord(0);
             assertNotNull(nr);
             assertEquals("test", nr.getNameText());

             Ptg[] def = nr.getNameDefinition();
             assertEquals(4, def.length);

             MemFuncPtg ptgA = (MemFuncPtg) def[0];
             Area3DPtg ptgB = (Area3DPtg) def[1];
             Area3DPtg ptgC = (Area3DPtg) def[2];
             UnionPtg ptgD = (UnionPtg) def[3];
             assertEquals("", ptgA.toFormulaString());
             assertEquals(refA, ptgB.toFormulaString(eb));
             assertEquals(refB, ptgC.toFormulaString(eb));
             assertEquals(",", ptgD.toFormulaString());

             assertEquals(ref, HSSFFormulaParser.toFormulaString(wb, nr.getNameDefinition()));

             // Check the high level definition
             HSSFName aNamedCell = wb.getName("test");

             // Should have 2 references
             assertNotNull(aNamedCell);
             String formulaRefs = aNamedCell.getRefersToFormula();
             assertNotNull(formulaRefs);
             assertEquals(ref, formulaRefs);

             // Check the parsing of the reference into cells
             assertFalse(AreaReference.isContiguous(formulaRefs));
             AreaReference[] arefs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, formulaRefs);
             assertEquals(2, arefs.length);
             assertEquals(refA, arefs[0].formatAsString());
             assertEquals(refB, arefs[1].formatAsString());

             for (AreaReference ar : arefs) {
                 confirmResolveCellRef(wb, ar.getFirstCell());
                 confirmResolveCellRef(wb, ar.getLastCell());
             }
         }
     }

     private static void confirmResolveCellRef(HSSFWorkbook wb, CellReference cref) {
         HSSFSheet s = wb.getSheet(cref.getSheetName());
         HSSFRow r = s.getRow(cref.getRow());
         HSSFCell c = r.getCell(cref.getCol());
         assertNotNull(c);
     }

     @Test
     void testSpecialSheetNames() {
         AreaReference ar;
         ar = new AreaReference("'Sheet A'!A1:A1", SpreadsheetVersion.EXCEL97);
         confirmAreaSheetName(ar, "Sheet A", "'Sheet A'!A1");

         ar = new AreaReference("'Hey! Look Here!'!A1:A1", SpreadsheetVersion.EXCEL97);
         confirmAreaSheetName(ar, "Hey! Look Here!", "'Hey! Look Here!'!A1");

         ar = new AreaReference("'O''Toole'!A1:B2", SpreadsheetVersion.EXCEL97);
         confirmAreaSheetName(ar, "O'Toole", "'O''Toole'!A1:B2");

         ar = new AreaReference("'one:many'!A1:B2", SpreadsheetVersion.EXCEL97);
         confirmAreaSheetName(ar, "one:many", "'one:many'!A1:B2");

         ar = new AreaReference("'O,Comma'!A1:B1", SpreadsheetVersion.EXCEL97);
         confirmAreaSheetName(ar, "O,Comma", "'O,Comma'!A1:B1");
     }

     private static void confirmAreaSheetName(AreaReference ar, String sheetName, String expectedFullText) {
         CellReference[] cells = ar.getAllReferencedCells();
         assertEquals(sheetName, cells[0].getSheetName());
         assertEquals(expectedFullText, ar.formatAsString());
     }

     @Test
     void testWholeColumnRefs() {
         confirmWholeColumnRef("A:A", 0, 0, false, false);
         confirmWholeColumnRef("$C:D", 2, 3, true, false);
         confirmWholeColumnRef("AD:$AE", 29, 30, false, true);
     }

     private static void confirmWholeColumnRef(String ref, int firstCol, int lastCol, boolean firstIsAbs, boolean lastIsAbs) {
         AreaReference ar = new AreaReference(ref, SpreadsheetVersion.EXCEL97);
         confirmCell(ar.getFirstCell(), 0, firstCol, true, firstIsAbs);
         confirmCell(ar.getLastCell(), 0xFFFF, lastCol, true, lastIsAbs);
     }

     private static void confirmCell(CellReference cell, int row, int col, boolean isRowAbs, boolean isColAbs) {
         assertEquals(row, cell.getRow());
         assertEquals(col, cell.getCol());
         assertEquals(isRowAbs, cell.isRowAbsolute());
         assertEquals(isColAbs, cell.isColAbsolute());
     }
 }
	/* ====================================================================
	Licensed to the Apache Software Foundation (ASF) under one or more
	contributor license agreements. See the NOTICE file distributed with
	this work for additional information regarding copyright ownership.
	The ASF licenses this file to You under the Apache License, Version 2.0
	(the "License"); you may not use this file except in compliance with
	the License. You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
	==================================================================== */

	package org.apache.poi.hssf.util;

	import static org.junit.jupiter.api.Assertions.assertEquals;
	import static org.junit.jupiter.api.Assertions.assertFalse;
	import static org.junit.jupiter.api.Assertions.assertNotNull;
	import static org.junit.jupiter.api.Assertions.assertNull;
	import static org.junit.jupiter.api.Assertions.assertThrows;
	import static org.junit.jupiter.api.Assertions.assertTrue;

	import java.io.InputStream;

	import org.apache.poi.hssf.HSSFTestDataSamples;
	import org.apache.poi.hssf.model.HSSFFormulaParser;
	import org.apache.poi.hssf.model.InternalWorkbook;
	import org.apache.poi.hssf.record.NameRecord;
	import org.apache.poi.hssf.usermodel.HSSFCell;
	import org.apache.poi.hssf.usermodel.HSSFEvaluationWorkbook;
	import org.apache.poi.hssf.usermodel.HSSFName;
	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.TestHSSFWorkbook;
	import org.apache.poi.ss.SpreadsheetVersion;
	import org.apache.poi.ss.formula.ptg.Area3DPtg;
	import org.apache.poi.ss.formula.ptg.MemFuncPtg;
	import org.apache.poi.ss.formula.ptg.Ptg;
	import org.apache.poi.ss.formula.ptg.UnionPtg;
	import org.apache.poi.ss.util.AreaReference;
	import org.apache.poi.ss.util.CellReference;
	import org.junit.jupiter.api.Test;

	final class TestAreaReference {

	@Test
	void testAreaRef1() {
	AreaReference ar = new AreaReference("$A$1:$B$2", SpreadsheetVersion.EXCEL97);
	assertFalse(ar.isSingleCell(), "Two cells expected");
	CellReference cf = ar.getFirstCell();
	assertEquals(0, cf.getRow(), "row is 4");
	assertEquals(0, cf.getCol(), "col is 1");
	assertTrue(cf.isRowAbsolute(), "row is abs");
	assertTrue(cf.isColAbsolute(), "col is abs");
	assertEquals("$A$1", cf.formatAsString(), "string is $A$1");

	cf = ar.getLastCell();
	assertEquals(1, cf.getRow(), "row is 4");
	assertEquals(1, cf.getCol(), "col is 1");
	assertTrue(cf.isRowAbsolute(), "row is abs");
	assertTrue(cf.isColAbsolute(), "col is abs");
	assertEquals("$B$2", cf.formatAsString(), "string is $B$2");

	CellReference[] refs = ar.getAllReferencedCells();
	assertEquals(4, refs.length);

	assertEquals(0, refs[0].getRow());
	assertEquals(0, refs[0].getCol());
	assertNull(refs[0].getSheetName());

	assertEquals(0, refs[1].getRow());
	assertEquals(1, refs[1].getCol());
	assertNull(refs[1].getSheetName());

	assertEquals(1, refs[2].getRow());
	assertEquals(0, refs[2].getCol());
	assertNull(refs[2].getSheetName());

	assertEquals(1, refs[3].getRow());
	assertEquals(1, refs[3].getCol());
	assertNull(refs[3].getSheetName());
	}

	/**
	* References failed when sheet names were being used Reported by
	* Arne.Clauss@gedas.de
	*/
	@Test
	void testReferenceWithSheet() {
	AreaReference ar;

	ar = new AreaReference("Tabelle1!B5:B5", SpreadsheetVersion.EXCEL97);
	assertTrue(ar.isSingleCell());
	TestCellReference.confirmCell(ar.getFirstCell(), "Tabelle1", 4, 1, false, false, "Tabelle1!B5");

	assertEquals(1, ar.getAllReferencedCells().length);

	ar = new AreaReference("Tabelle1!$B$5:$B$7", SpreadsheetVersion.EXCEL97);
	assertFalse(ar.isSingleCell());

	TestCellReference.confirmCell(ar.getFirstCell(), "Tabelle1", 4, 1, true, true, "Tabelle1!$B$5");
	TestCellReference.confirmCell(ar.getLastCell(), "Tabelle1", 6, 1, true, true, "Tabelle1!$B$7");

	// And all that make it up
	CellReference[] allCells = ar.getAllReferencedCells();
	assertEquals(3, allCells.length);
	TestCellReference.confirmCell(allCells[0], "Tabelle1", 4, 1, true, true, "Tabelle1!$B$5");
	TestCellReference.confirmCell(allCells[1], "Tabelle1", 5, 1, true, true, "Tabelle1!$B$6");
	TestCellReference.confirmCell(allCells[2], "Tabelle1", 6, 1, true, true, "Tabelle1!$B$7");
	}

	@Test
	void testContiguousReferences() {
	String refSimple = "$C$10:$C$10";
	String ref2D = "$C$10:$D$11";
	String refDCSimple = "$C$10:$C$10,$D$12:$D$12,$E$14:$E$14";
	String refDC2D = "$C$10:$C$11,$D$12:$D$12,$E$14:$E$20";
	String refDC3D = "Tabelle1!$C$10:$C$14,Tabelle1!$D$10:$D$12";
	String refComma = "'A,Sheet'!$A$1:$A$1,'A,Sheet'!$A$4:$A$5";
	String refCommaExp = "'!Sheet,Comma!'!$A$1:$B$1";

	// Check that we detect as contiguous properly
	assertTrue(AreaReference.isContiguous(refSimple));
	assertTrue(AreaReference.isContiguous(ref2D));
	assertFalse(AreaReference.isContiguous(refDCSimple));
	assertFalse(AreaReference.isContiguous(refDC2D));
	assertFalse(AreaReference.isContiguous(refDC3D));
	assertFalse(AreaReference.isContiguous(refComma));
	assertTrue(AreaReference.isContiguous(refCommaExp));

	// Check we can only create contiguous entries
	new AreaReference(refSimple, SpreadsheetVersion.EXCEL97);
	new AreaReference(ref2D, SpreadsheetVersion.EXCEL97);
	assertThrows(IllegalArgumentException.class, () -> new AreaReference(refDCSimple, SpreadsheetVersion.EXCEL97));
	assertThrows(IllegalArgumentException.class, () -> new AreaReference(refDC2D, SpreadsheetVersion.EXCEL97));
	assertThrows(IllegalArgumentException.class, () -> new AreaReference(refDC3D, SpreadsheetVersion.EXCEL97));

	// Test that we split as expected
	AreaReference[] refs;

	refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refSimple);
	assertEquals(1, refs.length);
	assertTrue(refs[0].isSingleCell());
	assertEquals("$C$10", refs[0].formatAsString());

	refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, ref2D);
	assertEquals(1, refs.length);
	assertFalse(refs[0].isSingleCell());
	assertEquals("$C$10:$D$11", refs[0].formatAsString());

	refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refDCSimple);
	assertEquals(3, refs.length);
	assertTrue(refs[0].isSingleCell());
	assertTrue(refs[1].isSingleCell());
	assertTrue(refs[2].isSingleCell());
	assertEquals("$C$10", refs[0].formatAsString());
	assertEquals("$D$12", refs[1].formatAsString());
	assertEquals("$E$14", refs[2].formatAsString());

	refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refDC2D);
	assertEquals(3, refs.length);
	assertFalse(refs[0].isSingleCell());
	assertTrue(refs[1].isSingleCell());
	assertFalse(refs[2].isSingleCell());
	assertEquals("$C$10:$C$11", refs[0].formatAsString());
	assertEquals("$D$12", refs[1].formatAsString());
	assertEquals("$E$14:$E$20", refs[2].formatAsString());

	refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refDC3D);
	assertEquals(2, refs.length);
	assertFalse(refs[0].isSingleCell());
	assertFalse(refs[0].isSingleCell());
	assertEquals("Tabelle1!$C$10:$C$14", refs[0].formatAsString());
	assertEquals("Tabelle1!$D$10:$D$12", refs[1].formatAsString());
	assertEquals("Tabelle1", refs[0].getFirstCell().getSheetName());
	assertEquals("Tabelle1", refs[0].getLastCell().getSheetName());
	assertEquals("Tabelle1", refs[1].getFirstCell().getSheetName());
	assertEquals("Tabelle1", refs[1].getLastCell().getSheetName());

	refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refComma);
	assertEquals(2, refs.length);
	System.out.println(refs[0].formatAsString());
	assertTrue(refs[0].isSingleCell());
	assertEquals("'A,Sheet'!$A$1", refs[0].formatAsString());
	assertEquals("A,Sheet", refs[0].getLastCell().getSheetName());
	assertEquals("'A,Sheet'!$A$4:$A$5", refs[1].formatAsString());
	assertEquals("A,Sheet", refs[1].getLastCell().getSheetName());

	refs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, refCommaExp);
	assertEquals(1, refs.length);
	assertFalse(refs[0].isSingleCell());
	assertEquals("'!Sheet,Comma!'!$A$1:$B$1", refs[0].formatAsString());
	assertEquals("!Sheet,Comma!", refs[0].getLastCell().getSheetName());
	}

	@Test
	void testDiscontinousReference() throws Exception {
	try (InputStream is = HSSFTestDataSamples.openSampleFileStream("44167.xls");
	HSSFWorkbook wb = new HSSFWorkbook(is)) {
	InternalWorkbook workbook = TestHSSFWorkbook.getInternalWorkbook(wb);
	HSSFEvaluationWorkbook eb = HSSFEvaluationWorkbook.create(wb);

	assertEquals(1, wb.getNumberOfNames());
	String sheetName = "Tabelle1";
	String rawRefA = "$C$10:$C$14";
	String rawRefB = "$C$16:$C$18";
	String refA = sheetName + "!" + rawRefA;
	String refB = sheetName + "!" + rawRefB;
	String ref = refA + "," + refB;

	// Check the low level record
	NameRecord nr = workbook.getNameRecord(0);
	assertNotNull(nr);
	assertEquals("test", nr.getNameText());

	Ptg[] def = nr.getNameDefinition();
	assertEquals(4, def.length);

	MemFuncPtg ptgA = (MemFuncPtg) def[0];
	Area3DPtg ptgB = (Area3DPtg) def[1];
	Area3DPtg ptgC = (Area3DPtg) def[2];
	UnionPtg ptgD = (UnionPtg) def[3];
	assertEquals("", ptgA.toFormulaString());
	assertEquals(refA, ptgB.toFormulaString(eb));
	assertEquals(refB, ptgC.toFormulaString(eb));
	assertEquals(",", ptgD.toFormulaString());

	assertEquals(ref, HSSFFormulaParser.toFormulaString(wb, nr.getNameDefinition()));

	// Check the high level definition
	HSSFName aNamedCell = wb.getName("test");

	// Should have 2 references
	assertNotNull(aNamedCell);
	String formulaRefs = aNamedCell.getRefersToFormula();
	assertNotNull(formulaRefs);
	assertEquals(ref, formulaRefs);

	// Check the parsing of the reference into cells
	assertFalse(AreaReference.isContiguous(formulaRefs));
	AreaReference[] arefs = AreaReference.generateContiguous(SpreadsheetVersion.EXCEL97, formulaRefs);
	assertEquals(2, arefs.length);
	assertEquals(refA, arefs[0].formatAsString());
	assertEquals(refB, arefs[1].formatAsString());

	for (AreaReference ar : arefs) {
	confirmResolveCellRef(wb, ar.getFirstCell());
	confirmResolveCellRef(wb, ar.getLastCell());
	}
	}
	}

	private static void confirmResolveCellRef(HSSFWorkbook wb, CellReference cref) {
	HSSFSheet s = wb.getSheet(cref.getSheetName());
	HSSFRow r = s.getRow(cref.getRow());
	HSSFCell c = r.getCell(cref.getCol());
	assertNotNull(c);
	}

	@Test
	void testSpecialSheetNames() {
	AreaReference ar;
	ar = new AreaReference("'Sheet A'!A1:A1", SpreadsheetVersion.EXCEL97);
	confirmAreaSheetName(ar, "Sheet A", "'Sheet A'!A1");

	ar = new AreaReference("'Hey! Look Here!'!A1:A1", SpreadsheetVersion.EXCEL97);
	confirmAreaSheetName(ar, "Hey! Look Here!", "'Hey! Look Here!'!A1");

	ar = new AreaReference("'O''Toole'!A1:B2", SpreadsheetVersion.EXCEL97);
	confirmAreaSheetName(ar, "O'Toole", "'O''Toole'!A1:B2");

	ar = new AreaReference("'one:many'!A1:B2", SpreadsheetVersion.EXCEL97);
	confirmAreaSheetName(ar, "one:many", "'one:many'!A1:B2");

	ar = new AreaReference("'O,Comma'!A1:B1", SpreadsheetVersion.EXCEL97);
	confirmAreaSheetName(ar, "O,Comma", "'O,Comma'!A1:B1");
	}

	private static void confirmAreaSheetName(AreaReference ar, String sheetName, String expectedFullText) {
	CellReference[] cells = ar.getAllReferencedCells();
	assertEquals(sheetName, cells[0].getSheetName());
	assertEquals(expectedFullText, ar.formatAsString());
	}

	@Test
	void testWholeColumnRefs() {
	confirmWholeColumnRef("A:A", 0, 0, false, false);
	confirmWholeColumnRef("$C:D", 2, 3, true, false);
	confirmWholeColumnRef("AD:$AE", 29, 30, false, true);
	}

	private static void confirmWholeColumnRef(String ref, int firstCol, int lastCol, boolean firstIsAbs, boolean lastIsAbs) {
	AreaReference ar = new AreaReference(ref, SpreadsheetVersion.EXCEL97);
	confirmCell(ar.getFirstCell(), 0, firstCol, true, firstIsAbs);
	confirmCell(ar.getLastCell(), 0xFFFF, lastCol, true, lastIsAbs);
	}

	private static void confirmCell(CellReference cell, int row, int col, boolean isRowAbs, boolean isColAbs) {
	assertEquals(row, cell.getRow());
	assertEquals(col, cell.getCol());
	assertEquals(isRowAbs, cell.isRowAbsolute());
	assertEquals(isColAbs, cell.isColAbsolute());
	}
	}