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/*
* steghide 0.5.1 - a steganography program
* Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef SH_CVRSTGFILETEST_H
#define SH_CVRSTGFILETEST_H
#include "BitString.h"
#include "CvrStgFile.h"
#include "UnitTest.h"
#include "TestSuite.h"
class CvrStgFileTest : public UnitTest {
public:
CvrStgFileTest (std::string n, TestSuite* s) : UnitTest(n,s) {} ;
protected:
/**
* read the file rfn and write it again, return true iff write op created what was read by read op
* \param rfn the file name of the file to read
* \param new_wfn wether to write the data to another file or to rfn (a backup copy is done)
**/
bool genericTestReadWrite (const std::string& rfn, bool new_wfn = true) const ;
bool genericTestReadEmbedExtract (const std::string& fn, BitString& emb) const ;
/**
* read fn and extract the first emb.getLength() bits, return true iff these equal emb
**/
bool genericTestReadExtractCompare (const std::string& fn, BitString& emb) const ;
bool genericTestReadEmbedWriteReadExtract (const std::string& cvrfn, BitString& emb) const ;
bool genericTestPosition (const CvrStgFile* f, const SamplePos pos, SampleValue* sv_r) const ;
bool genericTestSVALCalculation (const CvrStgFile* f, const Graph* g) const ;
/**
* for all sample positions, test if f->getEmbeddedValue(p) and f->getSampleValue(p)->getEmbeddedValue() return the same result
**/
bool genericTestEmbeddedValue (const CvrStgFile* f) const ;
private:
bool areEqual (const std::string& fn1, const std::string& fn2) const ;
void removeFile (const std::string& fn) const ;
void copyFile (const std::string& src, const std::string& dest) const ;
void moveFile (const std::string& src, const std::string& dest) const ;
} ;
#endif // ndef SH_CVRSTGFILETEST_H
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