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Fix for bug #15019. NullPointerException in shiftRows. Added the test case and moved the other test case into the file. Put Toshiaki Kamoshida as an author of the test case. Test failed. Added patch. Test worked. 

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353004 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Shawn Laubach 2003-02-09 21:12:35 +00:00
parent 5bbf6e7774
commit c2a0fd4fe6
3 changed files with 180 additions and 83 deletions
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1
src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
View File

@ -925,6 +925,7 @@ public class HSSFSheet
if ( cell != null ) if ( cell != null )
row2Replace.removeCell( cell ); row2Replace.removeCell( cell );
} }
if (row == null) continue;
for ( short col = row.getFirstCellNum(); col <= row.getLastCellNum(); col++ ) for ( short col = row.getFirstCellNum(); col <= row.getLastCellNum(); col++ )
{ {
cell = row.getCell( col ); cell = row.getCell( col );

83
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFSheet.java
View File

@ -237,89 +237,6 @@ public class TestHSSFSheet
assertEquals(cloned.getRow((short)0).getCell((short)0).getStringCellValue(), "clone_test"); assertEquals(cloned.getRow((short)0).getCell((short)0).getStringCellValue(), "clone_test");
} }
/**
* Tests the shiftRows function. Does three different shifts.
* After each shift, writes the workbook to file and reads back to
* check. This ensures that if some changes code that breaks
* writing or what not, they realize it.
*
* Shawn Laubach (slaubach at apache dot org)
*/
public void testShiftRows() throws Exception
{
// Read initial file in
String filename = System.getProperty( "HSSF.testdata.path" );
filename = filename + "/SimpleMultiCell.xls";
FileInputStream fin = new FileInputStream( filename );
HSSFWorkbook wb = new HSSFWorkbook( fin );
fin.close();
HSSFSheet s = wb.getSheetAt( 0 );
// Shift the second row down 1 and write to temp file
s.shiftRows( 1, 1, 1 );
File tempFile = File.createTempFile( "shift", "test.xls" );
FileOutputStream fout = new FileOutputStream( tempFile );
wb.write( fout );
fout.close();
// Read from temp file and check the number of cells in each
// row (in original file each row was unique)
fin = new FileInputStream( tempFile );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
assertEquals( s.getRow( 0 ).getPhysicalNumberOfCells(), 1 );
assertTrue( s.getRow( 1 ) == null || s.getRow( 1 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 2 ).getPhysicalNumberOfCells(), 2 );
assertEquals( s.getRow( 3 ).getPhysicalNumberOfCells(), 4 );
assertEquals( s.getRow( 4 ).getPhysicalNumberOfCells(), 5 );
// Shift rows 1-3 down 3 in the current one. This tests when
// 1 row is blank. Write to a another temp file
s.shiftRows( 0, 2, 3 );
tempFile = File.createTempFile( "shift", "test.xls" );
fout = new FileOutputStream( tempFile );
wb.write( fout );
fout.close();
// Read and ensure things are where they should be
fin = new FileInputStream( tempFile );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
assertTrue( s.getRow( 0 ) == null || s.getRow( 0 ).getPhysicalNumberOfCells() == 0 );
assertTrue( s.getRow( 1 ) == null || s.getRow( 1 ).getPhysicalNumberOfCells() == 0 );
assertTrue( s.getRow( 2 ) == null || s.getRow( 2 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 3 ).getPhysicalNumberOfCells(), 1 );
assertTrue( s.getRow( 4 ) == null || s.getRow( 4 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 5 ).getPhysicalNumberOfCells(), 2 );
// Read the first file again
fin = new FileInputStream( filename );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
// Shift rows 3 and 4 up and write to temp file
s.shiftRows( 2, 3, -2 );
tempFile = File.createTempFile( "shift", "test.xls" );
fout = new FileOutputStream( tempFile );
wb.write( fout );
fout.close();
// Read file and test
fin = new FileInputStream( tempFile );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
assertEquals( s.getRow( 0 ).getPhysicalNumberOfCells(), 3 );
assertEquals( s.getRow( 1 ).getPhysicalNumberOfCells(), 4 );
assertTrue( s.getRow( 2 ) == null || s.getRow( 2 ).getPhysicalNumberOfCells() == 0 );
assertTrue( s.getRow( 3 ) == null || s.getRow( 3 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 4 ).getPhysicalNumberOfCells(), 5 );
}
public void testZoom() public void testZoom()
throws Exception throws Exception
{ {

179
src/testcases/org/apache/poi/hssf/usermodel/TestSheetShiftRows.java Executable file
View File

@ -0,0 +1,179 @@
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache POI" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache POI", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.poi.hssf.usermodel;
import junit.framework.TestCase;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
/**
* Tests row shifting capabilities.
*
*
* @author Shawn Laubach (slaubach at apache dot com)
* @author Toshiaki Kamoshida (kamoshida.toshiaki at future dot co dot jp)
*/
public class TestSheetShiftRows extends TestCase {
/**
* Constructor for TestSheetShiftRows.
* @param arg0
*/
public TestSheetShiftRows(String arg0) {
super(arg0);
}
/**
* Tests the shiftRows function. Does three different shifts.
* After each shift, writes the workbook to file and reads back to
* check. This ensures that if some changes code that breaks
* writing or what not, they realize it.
*
* @author Shawn Laubach (slaubach at apache dot org)
*/
public void testShiftRows() throws Exception
{
// Read initial file in
String filename = System.getProperty( "HSSF.testdata.path" );
filename = filename + "/SimpleMultiCell.xls";
FileInputStream fin = new FileInputStream( filename );
HSSFWorkbook wb = new HSSFWorkbook( fin );
fin.close();
HSSFSheet s = wb.getSheetAt( 0 );
// Shift the second row down 1 and write to temp file
s.shiftRows( 1, 1, 1 );
File tempFile = File.createTempFile( "shift", "test.xls" );
FileOutputStream fout = new FileOutputStream( tempFile );
wb.write( fout );
fout.close();
// Read from temp file and check the number of cells in each
// row (in original file each row was unique)
fin = new FileInputStream( tempFile );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
assertEquals( s.getRow( 0 ).getPhysicalNumberOfCells(), 1 );
assertTrue( s.getRow( 1 ) == null || s.getRow( 1 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 2 ).getPhysicalNumberOfCells(), 2 );
assertEquals( s.getRow( 3 ).getPhysicalNumberOfCells(), 4 );
assertEquals( s.getRow( 4 ).getPhysicalNumberOfCells(), 5 );
// Shift rows 1-3 down 3 in the current one. This tests when
// 1 row is blank. Write to a another temp file
s.shiftRows( 0, 2, 3 );
tempFile = File.createTempFile( "shift", "test.xls" );
fout = new FileOutputStream( tempFile );
wb.write( fout );
fout.close();
// Read and ensure things are where they should be
fin = new FileInputStream( tempFile );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
assertTrue( s.getRow( 0 ) == null || s.getRow( 0 ).getPhysicalNumberOfCells() == 0 );
assertTrue( s.getRow( 1 ) == null || s.getRow( 1 ).getPhysicalNumberOfCells() == 0 );
assertTrue( s.getRow( 2 ) == null || s.getRow( 2 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 3 ).getPhysicalNumberOfCells(), 1 );
assertTrue( s.getRow( 4 ) == null || s.getRow( 4 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 5 ).getPhysicalNumberOfCells(), 2 );
// Read the first file again
fin = new FileInputStream( filename );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
// Shift rows 3 and 4 up and write to temp file
s.shiftRows( 2, 3, -2 );
tempFile = File.createTempFile( "shift", "test.xls" );
fout = new FileOutputStream( tempFile );
wb.write( fout );
fout.close();
// Read file and test
fin = new FileInputStream( tempFile );
wb = new HSSFWorkbook( fin );
fin.close();
s = wb.getSheetAt( 0 );
assertEquals( s.getRow( 0 ).getPhysicalNumberOfCells(), 3 );
assertEquals( s.getRow( 1 ).getPhysicalNumberOfCells(), 4 );
assertTrue( s.getRow( 2 ) == null || s.getRow( 2 ).getPhysicalNumberOfCells() == 0 );
assertTrue( s.getRow( 3 ) == null || s.getRow( 3 ).getPhysicalNumberOfCells() == 0 );
assertEquals( s.getRow( 4 ).getPhysicalNumberOfCells(), 5 );
}
/**
* Tests when rows are null.
*
* @author Toshiaki Kamoshida (kamoshida.toshiaki at future dot co dot jp)
*/
public void testShiftRow(){
HSSFWorkbook b = new HSSFWorkbook();
HSSFSheet s = b.createSheet();
s.createRow(0).createCell((short)0).setCellValue("TEST1");
s.createRow(3).createCell((short)0).setCellValue("TEST2");
s.shiftRows(0,4,1);
}
}