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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
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http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.poi.hslf;
import junit.framework.TestCase;
import java.io.*;
import java.util.*;
import org.apache.poi.hslf.record.*;
import org.apache.poi.poifs.filesystem.*;
import org.apache.poi.POIDataSamples;
/**
* Tests that HSLFSlideShow writes the powerpoint bit of data back out
* in a sane manner - i.e. records end up in the right place
*
* @author Nick Burch (nick at torchbox dot com)
*/
public final class TestReWriteSanity extends TestCase {
// HSLFSlideShow primed on the test data
private HSLFSlideShow ss;
// POIFS primed on the test data
private POIFSFileSystem pfs;
public TestReWriteSanity() throws Exception {
POIDataSamples slTests = POIDataSamples.getSlideShowInstance();
pfs = new POIFSFileSystem(slTests.openResourceAsStream("basic_test_ppt_file.ppt"));
ss = new HSLFSlideShow(pfs);
}
public void testUserEditAtomsRight() throws Exception {
// Write out to a byte array
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ss.write(baos);
// Build an input stream of it
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
// Create a new one from that
HSLFSlideShow wss = new HSLFSlideShow(bais);
// Find the location of the PersistPtrIncrementalBlocks and
// UserEditAtoms
Record[] r = wss.getRecords();
Hashtable pp = new Hashtable();
Hashtable ue = new Hashtable();
ue.put(new Integer(0),new Integer(0)); // Will show 0 if first
int pos = 0;
int lastUEPos = -1;
for(int i=0; i<r.length; i++) {
if(r[i] instanceof PersistPtrHolder) {
pp.put(new Integer(pos), r[i]);
}
if(r[i] instanceof UserEditAtom) {
ue.put(new Integer(pos), r[i]);
lastUEPos = pos;
}
ByteArrayOutputStream bc = new ByteArrayOutputStream();
r[i].writeOut(bc);
pos += bc.size();
}
// Check that the UserEditAtom's point to right stuff
for(int i=0; i<r.length; i++) {
if(r[i] instanceof UserEditAtom) {
UserEditAtom uea = (UserEditAtom)r[i];
int luPos = uea.getLastUserEditAtomOffset();
int ppPos = uea.getPersistPointersOffset();
assertTrue(pp.containsKey(new Integer(ppPos)));
assertTrue(ue.containsKey(new Integer(luPos)));
}
}
// Check that the CurrentUserAtom points to the right UserEditAtom
CurrentUserAtom cua = wss.getCurrentUserAtom();
int listedUEPos = (int)cua.getCurrentEditOffset();
assertEquals(lastUEPos,listedUEPos);
}
}