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/***************************************************************************
* Copyright (C) 2008 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 "EncodingTest.h"
#include <podofo.h>
#include <ostream>
// Registers the fixture into the 'registry'
CPPUNIT_TEST_SUITE_REGISTRATION( EncodingTest );
using namespace PoDoFo;
inline std::ostream& operator<<(std::ostream& o, const PdfVariant& s)
{
std::string str;
s.ToString(str);
return o << str;
}
void EncodingTest::setUp()
{
}
void EncodingTest::tearDown()
{
}
void EncodingTest::testDifferences()
{
PdfEncodingDifference difference;
// Newly created encoding should be empty
CPPUNIT_ASSERT_EQUAL( static_cast<int>(difference.GetCount()), 0 );
// Adding 0 should work
difference.AddDifference( 0, PdfName("A") );
CPPUNIT_ASSERT_EQUAL( static_cast<int>(difference.GetCount()), 1 );
// Adding 255 should work
difference.AddDifference( 255, PdfName("B") );
CPPUNIT_ASSERT_EQUAL( static_cast<int>(difference.GetCount()), 2 );
// Adding out of range should throw exception
CPPUNIT_ASSERT_THROW( difference.AddDifference( -1, PdfName("C") );, PdfError );
CPPUNIT_ASSERT_THROW( difference.AddDifference( 256, PdfName("D") );, PdfError );
CPPUNIT_ASSERT_EQUAL( static_cast<int>(difference.GetCount()), 2 );
// Convert to array
PdfArray data;
PdfArray expected;
expected.push_back( static_cast<pdf_int64>(0LL) );
expected.push_back( PdfName("A") );
expected.push_back( static_cast<pdf_int64>(255LL) );
expected.push_back( PdfName("B") );
difference.ToArray( data );
CPPUNIT_ASSERT_EQUAL( data.GetSize(), expected.GetSize() );
for( unsigned int i=0;i<data.GetSize(); i++ )
CPPUNIT_ASSERT_EQUAL( data[i], expected[i] );
// Test replace
expected.Clear();
expected.push_back( static_cast<pdf_int64>(0LL) );
expected.push_back( PdfName("A") );
expected.push_back( static_cast<pdf_int64>(255LL) );
expected.push_back( PdfName("X") );
difference.AddDifference( 255, PdfName("X") );
difference.ToArray( data );
CPPUNIT_ASSERT_EQUAL( data.GetSize(), expected.GetSize() );
for( unsigned int i=0;i<data.GetSize(); i++ )
CPPUNIT_ASSERT_EQUAL( data[i], expected[i] );
// Test more complicated array
expected.Clear();
expected.push_back( static_cast<pdf_int64>(0LL) );
expected.push_back( PdfName("A") );
expected.push_back( PdfName("B") );
expected.push_back( PdfName("C") );
expected.push_back( static_cast<pdf_int64>(4LL) );
expected.push_back( PdfName("D") );
expected.push_back( PdfName("E") );
expected.push_back( static_cast<pdf_int64>(9LL) );
expected.push_back( PdfName("F") );
expected.push_back( static_cast<pdf_int64>(255LL) );
expected.push_back( PdfName("X") );
difference.AddDifference( 1, PdfName("B") );
difference.AddDifference( 2, PdfName("C") );
difference.AddDifference( 4, PdfName("D") );
difference.AddDifference( 5, PdfName("E") );
difference.AddDifference( 9, PdfName("F") );
difference.ToArray( data );
CPPUNIT_ASSERT_EQUAL( data.GetSize(), expected.GetSize() );
for( unsigned int i=0;i<data.GetSize(); i++ )
CPPUNIT_ASSERT_EQUAL( data[i], expected[i] );
// Test if contains works correctly
PdfName name;
pdf_utf16be value;
CPPUNIT_ASSERT_EQUAL( difference.Contains( 0, name, value ), true );
CPPUNIT_ASSERT_EQUAL( name, PdfName("A") );
#ifdef PODOFO_IS_LITTLE_ENDIAN
CPPUNIT_ASSERT_EQUAL( static_cast<int>(value), 0x4100 );
#else
CPPUNIT_ASSERT_EQUAL( static_cast<int>(value), 0x0041 );
#endif //PODOFO_IS_LITTLE_ENDIAN
CPPUNIT_ASSERT_EQUAL( difference.Contains( 9, name, value ), true );
CPPUNIT_ASSERT_EQUAL( name, PdfName("F") );
#ifdef PODOFO_IS_LITTLE_ENDIAN
CPPUNIT_ASSERT_EQUAL( static_cast<int>(value), 0x4600 );
#else
CPPUNIT_ASSERT_EQUAL( static_cast<int>(value), 0x0046 );
#endif //PODOFO_IS_LITTLE_ENDIAN
CPPUNIT_ASSERT_EQUAL( difference.Contains( 255, name, value ), true );
CPPUNIT_ASSERT_EQUAL( name, PdfName("X") );
#ifdef PODOFO_IS_LITTLE_ENDIAN
CPPUNIT_ASSERT_EQUAL( static_cast<int>(value), 0x5800 );
#else
CPPUNIT_ASSERT_EQUAL( static_cast<int>(value), 0x0058 );
#endif //PODOFO_IS_LITTLE_ENDIAN
CPPUNIT_ASSERT_EQUAL( difference.Contains( 100, name,value ), false );
}
void EncodingTest::testDifferencesObject()
{
PdfMemDocument doc;
PdfEncodingDifference difference;
difference.AddDifference( 1, PdfName("B") );
difference.AddDifference( 2, PdfName("C") );
difference.AddDifference( 4, PdfName("D") );
difference.AddDifference( 5, PdfName("E") );
difference.AddDifference( 9, PdfName("F") );
PdfDifferenceEncoding encoding( difference, PdfDifferenceEncoding::eBaseEncoding_MacRoman, &doc );
// Check for encoding key
PdfObject* pObj = doc.GetObjects().CreateObject();
encoding.AddToDictionary( pObj->GetDictionary() );
CPPUNIT_ASSERT_EQUAL( true, pObj->GetDictionary().HasKey( PdfName("Encoding") ) );
PdfObject* pKey = pObj->GetDictionary().GetKey( PdfName("Encoding") );
CPPUNIT_ASSERT_EQUAL( true, pKey->IsReference() );
PdfObject* pEncoding = doc.GetObjects().GetObject( pKey->GetReference() );
// Test BaseEncoding
PdfObject* pBase = pEncoding->GetDictionary().GetKey( PdfName("BaseEncoding" ) );
CPPUNIT_ASSERT_EQUAL( pBase->GetName(), PdfName("MacRomanEncoding") );
// Test differences
PdfObject* pDiff = pEncoding->GetDictionary().GetKey( PdfName("Differences" ) );
PdfArray expected;
expected.push_back( static_cast<pdf_int64>(1LL) );
expected.push_back( PdfName("B") );
expected.push_back( PdfName("C") );
expected.push_back( static_cast<pdf_int64>(4LL) );
expected.push_back( PdfName("D") );
expected.push_back( PdfName("E") );
expected.push_back( static_cast<pdf_int64>(9LL) );
expected.push_back( PdfName("F") );
const PdfArray & data = pDiff->GetArray();
CPPUNIT_ASSERT_EQUAL( data.GetSize(), expected.GetSize() );
for( unsigned int i=0;i<data.GetSize(); i++ )
CPPUNIT_ASSERT_EQUAL( data[i], expected[i] );
}
void EncodingTest::testDifferencesEncoding()
{
PdfMemDocument doc;
// Create a differences encoding where A and B are exchanged
PdfEncodingDifference difference;
difference.AddDifference( 0x0041, PdfName("B") );
difference.AddDifference( 0x0042, PdfName("A") );
PdfDifferenceEncoding encoding( difference, PdfDifferenceEncoding::eBaseEncoding_WinAnsi, &doc );
PdfString unicodeStr = encoding.ConvertToUnicode( PdfString("BAAB"), NULL );
CPPUNIT_ASSERT_EQUAL( PdfString("ABBA"), unicodeStr );
PdfRefCountedBuffer encodingStr = encoding.ConvertToEncoding( PdfString("ABBA"), NULL );
CPPUNIT_ASSERT_EQUAL( static_cast<size_t>(4), encodingStr.GetSize() );
CPPUNIT_ASSERT_EQUAL( memcmp("BAAB", encodingStr.GetBuffer(), encodingStr.GetSize()), 0 );
}
void EncodingTest::testUnicodeNames()
{
// List of items which are defined twice and cause
// other ids to be returned than those which where send in
const char* pszDuplicated[] = {
"Delta",
"fraction",
"hyphen",
"macron",
"mu",
"Omega",
"periodcentered",
"scedilla",
"Scedilla",
"space",
"tcommaaccent",
"Tcommaaccent",
"exclamsmall",
"dollaroldstyle",
"zerooldstyle",
"oneoldstyle",
"twooldstyle",
"threeoldstyle",
"fouroldstyle",
"fiveoldstyle",
"sixoldstyle",
"sevenoldstyle",
"eightoldstyle",
"nineoldstyle",
"ampersandsmall",
"questionsmall",
NULL
};
int nCount = 0;
for( int i = 0;i<=0xFFFF; i++ )
{
PdfName name = PdfDifferenceEncoding::UnicodeIDToName( static_cast<pdf_utf16be>(i) );
pdf_utf16be id = PdfDifferenceEncoding::NameToUnicodeID( name );
bool bFound = false;
const char** pszDup = pszDuplicated;
while( *pszDup )
{
if( PdfName( *pszDup ) == name )
{
bFound = true;
break;
}
++pszDup;
}
if( !bFound )
{
// Does not work because of 2 many duplicates...
//CPPUNIT_ASSERT_EQUAL_MESSAGE( name.GetName(), id, static_cast<pdf_utf16be>(i) );
if( id == static_cast<pdf_utf16be>(i) )
++nCount;
}
}
CPPUNIT_ASSERT_EQUAL_MESSAGE( "Compared codes count", 65422, nCount );
}
void EncodingTest::testGetCharCode()
{
std::string msg;
bool ret;
PdfWinAnsiEncoding cWinAnsiEncoding;
ret = outofRangeHelper( &cWinAnsiEncoding, msg, "PdfWinAnsiEncoding" );
CPPUNIT_ASSERT_EQUAL_MESSAGE( msg, ret, true );
PdfMacRomanEncoding cMacRomanEncoding;
ret = outofRangeHelper( &cMacRomanEncoding, msg, "PdfMacRomanEncoding" );
CPPUNIT_ASSERT_EQUAL_MESSAGE( msg, ret, true );
PdfIdentityEncoding cIdentityEncoding;
ret = outofRangeHelper( &cIdentityEncoding, msg, "PdfIdentityEncoding" );
CPPUNIT_ASSERT_EQUAL_MESSAGE( msg, ret, true );
PdfVecObjects vec;
vec.SetAutoDelete( true );
PdfEncodingDifference difference;
difference.AddDifference( 0x0041, PdfName("B") );
difference.AddDifference( 0x0042, PdfName("A") );
PdfDifferenceEncoding cDifferenceEncoding( difference, PdfDifferenceEncoding::eBaseEncoding_WinAnsi, &vec );
ret = outofRangeHelper( &cDifferenceEncoding, msg, "PdfDifferenceEncoding" );
CPPUNIT_ASSERT_EQUAL_MESSAGE( msg, ret, true );
#ifdef PODOFO_IS_LITTLE_ENDIAN
CPPUNIT_ASSERT_EQUAL( static_cast<pdf_utf16be>(0x4200), cDifferenceEncoding.GetCharCode( 0x0041 ) );
CPPUNIT_ASSERT_EQUAL( static_cast<pdf_utf16be>(0x4100), cDifferenceEncoding.GetCharCode( 0x0042 ) );
#else
CPPUNIT_ASSERT_EQUAL( static_cast<pdf_utf16be>(0x0042), cDifferenceEncoding.GetCharCode( 0x0041 ) );
CPPUNIT_ASSERT_EQUAL( static_cast<pdf_utf16be>(0x0041), cDifferenceEncoding.GetCharCode( 0x0042 ) );
#endif // PODOFO_IS_LITTLE_ENDIAN
}
bool EncodingTest::outofRangeHelper( PdfEncoding* pEncoding, std::string & rMsg, const char* pszName )
{
bool exception = false;
try {
pEncoding->GetCharCode( pEncoding->GetFirstChar() );
}
catch( const PdfError & rError )
{
// This may not throw!
rMsg = "pEncoding->GetCharCode( pEncoding->GetFirstChar() ) failed";
return false;
}
try {
pEncoding->GetCharCode( pEncoding->GetFirstChar() - 1 );
}
catch( const PdfError & rError )
{
// This has to throw!
exception = true;
}
if( !exception )
{
rMsg = "pEncoding->GetCharCode( pEncoding->GetFirstChar() - 1 ); failed";
return false;
}
try {
pEncoding->GetCharCode( pEncoding->GetLastChar() );
}
catch( const PdfError & rError )
{
// This may not throw!
rMsg = "pEncoding->GetCharCode( pEncoding->GetLastChar() ); failed";
return false;
}
exception = false;
try {
pEncoding->GetCharCode( pEncoding->GetLastChar() + 1 );
}
catch( const PdfError & rError )
{
// This has to throw!
exception = true;
}
if( !exception )
{
rMsg = "pEncoding->GetCharCode( pEncoding->GetLastChar() + 1 ); failed";
return false;
}
PdfEncoding::const_iterator it = pEncoding->begin();
int nCount = pEncoding->GetFirstChar();
while( it != pEncoding->end() )
{
CPPUNIT_ASSERT_EQUAL_MESSAGE( pszName, *it, pEncoding->GetCharCode( nCount ) );
++nCount;
++it;
}
return true;
}
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