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/***************************************************************************
* Copyright (C) 2007 by Dominik Seichter *
* domseichter@web.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library 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 Library 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. *
***************************************************************************/
#include "FilterTest.h"
#include <cppunit/Asserter.h>
#include <stdlib.h>
using namespace PoDoFo;
CPPUNIT_TEST_SUITE_REGISTRATION( FilterTest );
static const char s_pTestBuffer1[] = "Man is distinguished, not only by his reason, but by this singular passion from other animals, which is a lust of the mind, that by a perseverance of delight in the continued and indefatigable generation of knowledge, exceeds the short vehemence of any carnal pleasure.";
// We treat the buffer as _excluding_ the trailing \0
static const long s_lTestLength1 = strlen(s_pTestBuffer1);
const char s_pTestBuffer2[] = {
0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x01,
0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x03,
0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x02,
0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x00,
0x01, 0x64, 0x65, 0xFE, 0x6B, 0x80, 0x45, 0x32, 0x88, 0x12, 0x71, 0xEA, 0x00,
0x00, 0x00, 0x00, 0x00, 0x6B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
const long s_lTestLength2 = 6*13;
void FilterTest::setUp()
{
}
void FilterTest::tearDown()
{
}
void FilterTest::TestFilter( EPdfFilter eFilter, const char * pTestBuffer, const long lTestLength )
{
char* pEncoded;
char* pDecoded;
pdf_long lEncoded;
pdf_long lDecoded;
std::auto_ptr<PdfFilter> pFilter = PdfFilterFactory::Create( eFilter );
if( !pFilter.get() )
{
printf("!!! Filter %i not implemented.\n", eFilter);
return;
}
printf("Testing Algorithm %i:\n", eFilter);
printf("\t-> Testing Encoding\n");
try {
pFilter->Encode( pTestBuffer, lTestLength, &pEncoded, &lEncoded );
} catch( PdfError & e ) {
if( e == ePdfError_UnsupportedFilter )
{
printf("\t-> Encoding not supported for filter %i.\n", eFilter );
return;
}
else
{
e.AddToCallstack( __FILE__, __LINE__ );
throw e;
}
}
printf("\t-> Testing Decoding\n");
try {
pFilter->Decode( pEncoded, lEncoded, &pDecoded, &lDecoded );
} catch( PdfError & e ) {
if( e == ePdfError_UnsupportedFilter )
{
printf("\t-> Decoding not supported for filter %i.\n", eFilter);
return;
}
else
{
e.AddToCallstack( __FILE__, __LINE__ );
throw e;
}
}
printf("\t-> Original Data Length: %li\n", lTestLength );
printf("\t-> Encoded Data Length: %li\n", lEncoded );
printf("\t-> Decoded Data Length: %li\n", lDecoded );
CPPUNIT_ASSERT_EQUAL( static_cast<long>(lTestLength), static_cast<long>(lDecoded) );
CPPUNIT_ASSERT_EQUAL( memcmp( pTestBuffer, pDecoded, lTestLength ), 0 );
free( pEncoded );
free( pDecoded );
printf("\t-> Test succeeded!\n");
}
void FilterTest::testFilters()
{
for( int i =0; i<=ePdfFilter_Crypt; i++ )
{
TestFilter( static_cast<EPdfFilter>(i), s_pTestBuffer1, s_lTestLength1 );
TestFilter( static_cast<EPdfFilter>(i), s_pTestBuffer2, s_lTestLength2 );
}
}
void FilterTest::testCCITT()
{
std::auto_ptr<PdfFilter> pFilter = PdfFilterFactory::Create( ePdfFilter_CCITTFaxDecode );
if( !pFilter.get() )
{
printf("!!! ePdfFilter_CCITTFaxDecode not implemented skipping test!\n");
return;
}
}
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