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Add a check that just opening a usermodel slidesheet on it doesn't break things 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@393497 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2006-04-12 16:31:34 +00:00
parent 5f0cd6fc76
commit 66d1f0d1e2
1 changed files with 40 additions and 4 deletions
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44
src/scratchpad/testcases/org/apache/poi/hslf/TestReWrite.java
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@ -22,6 +22,8 @@ package org.apache.poi.hslf;
import junit.framework.TestCase; import junit.framework.TestCase;
import java.io.*; import java.io.*;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.poifs.filesystem.*; import org.apache.poi.poifs.filesystem.*;
/** /**
@ -32,22 +34,56 @@ import org.apache.poi.poifs.filesystem.*;
*/ */
public class TestReWrite extends TestCase { public class TestReWrite extends TestCase {
// HSLFSlideShow primed on the test data // HSLFSlideShow primed on the test data
private HSLFSlideShow ss; private HSLFSlideShow hss;
// POIFS primed on the test data // POIFS primed on the test data
private POIFSFileSystem pfs; private POIFSFileSystem pfs;
public TestReWrite() throws Exception { public void setUp() throws Exception {
String dirname = System.getProperty("HSLF.testdata.path"); String dirname = System.getProperty("HSLF.testdata.path");
String filename = dirname + "/basic_test_ppt_file.ppt"; String filename = dirname + "/basic_test_ppt_file.ppt";
FileInputStream fis = new FileInputStream(filename); FileInputStream fis = new FileInputStream(filename);
pfs = new POIFSFileSystem(fis); pfs = new POIFSFileSystem(fis);
ss = new HSLFSlideShow(pfs); hss = new HSLFSlideShow(pfs);
} }
public void testWritesOutTheSame() throws Exception { public void testWritesOutTheSame() throws Exception {
// Write out to a byte array // Write out to a byte array
ByteArrayOutputStream baos = new ByteArrayOutputStream(); ByteArrayOutputStream baos = new ByteArrayOutputStream();
ss.write(baos); hss.write(baos);
// Build an input stream of it
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
// Use POIFS to query that lot
POIFSFileSystem npfs = new POIFSFileSystem(bais);
// Check that the "PowerPoint Document" sections have the same size
DocumentEntry oProps = (DocumentEntry)pfs.getRoot().getEntry("PowerPoint Document");
DocumentEntry nProps = (DocumentEntry)npfs.getRoot().getEntry("PowerPoint Document");
assertEquals(oProps.getSize(),nProps.getSize());
// Check that they contain the same data
byte[] _oData = new byte[oProps.getSize()];
byte[] _nData = new byte[nProps.getSize()];
pfs.createDocumentInputStream("PowerPoint Document").read(_oData);
npfs.createDocumentInputStream("PowerPoint Document").read(_nData);
for(int i=0; i<_oData.length; i++) {
System.out.println(i + "\t" + Integer.toHexString(i));
assertEquals(_oData[i], _nData[i]);
}
}
/**
* Ensure that simply opening a slideshow (usermodel) view of it
* doesn't change things
*/
public void testSlideShowWritesOutTheSame() throws Exception {
// Create a slideshow covering it
SlideShow ss = new SlideShow(hss);
// Now write out to a byte array
ByteArrayOutputStream baos = new ByteArrayOutputStream();
hss.write(baos);
// Build an input stream of it // Build an input stream of it
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());