/* ====================================================================
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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
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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.
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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.*;
/**
* 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 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 {
String dirname = System.getProperty("HSLF.testdata.path");
String filename = dirname + "/basic_test_ppt_file.ppt";
FileInputStream fis = new FileInputStream(filename);
pfs = new POIFSFileSystem(fis);
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);
}
}
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