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commited streams test suite (not part of build yet, coming soon)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26535 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2004-04-01 10:13:47 +00:00
parent 793921582e
commit 340da6aec0
5 changed files with 870 additions and 0 deletions
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69
tests/streams/bstream.cpp Normal file
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///////////////////////////////////////////////////////////////////////////////
// Name: tests/streams/bstream.cpp
// Purpose: House the base stream test suite.
// Author: Hans Van Leemputten
// RCS-ID: $Id$
// Copyright: (c) 2004 Hans Van Leemputten
// Licence: wxWidgets licence
///////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation
#pragma interface
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/cppunit.h"
#include "bstream.h"
using namespace CppUnit;
///////////////////////////////////////////////////////////////////////////////
// Streams main test suite, it houses all stream test suites.
//
class StreamCase : public TestSuite
{
public:
StreamCase()
:TestSuite("Streams")
{ /* Nothing extra */ }
static Test *suite();
};
Test *StreamCase::suite()
{
TestSuite *suite = new StreamCase;
/*
* Register all sub stream test suites.
*/
STREAM_REGISTER_SUB_SUITE(memStream);
STREAM_REGISTER_SUB_SUITE(fileStream);
STREAM_REGISTER_SUB_SUITE(ffileStream);
STREAM_REGISTER_SUB_SUITE(zlibStream);
/*
** Add more stream subtests here
*/
return suite;
}
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION(StreamCase);
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(StreamCase, STREAM_TEST_NAME);

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tests/streams/ffilestream.cpp Normal file
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///////////////////////////////////////////////////////////////////////////////
// Name: tests/streams/ffilestream.cpp
// Purpose: Test wxFFileInputStream/wxFFileOutputStream
// Author: Hans Van Leemputten
// RCS-ID: $Id$
// Copyright: (c) 2004 Hans Van Leemputten
// Licence: wxWidgets licence
///////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation
#pragma interface
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/cppunit.h"
#include "wx/wfstream.h"
#include "bstream.h"
using namespace std;
using namespace CppUnit;
#define DATABUFFER_SIZE 1024
static const wxString FILENAME_FFILEINSTREAM = _T("ffileinstream.test");
static const wxString FILENAME_FFILEOUTSTREAM = _T("ffileoutstream.test");
///////////////////////////////////////////////////////////////////////////////
// The test case
//
// Try to fully test wxFFileInputStream and wxFFileOutputStream
class ffileStream : public BaseStreamTestCase<wxFFileInputStream, wxFFileOutputStream>
{
public:
ffileStream();
virtual ~ffileStream();
CPPUNIT_TEST_SUITE(ffileStream);
// Base class stream tests the ffileStream supports.
CPPUNIT_TEST(Input_GetSize);
CPPUNIT_TEST(Input_GetC);
CPPUNIT_TEST(Input_Read);
CPPUNIT_TEST(Input_Eof);
CPPUNIT_TEST(Input_LastRead);
CPPUNIT_TEST(Input_SeekI);
CPPUNIT_TEST(Input_TellI);
CPPUNIT_TEST(Input_Peek);
CPPUNIT_TEST(Input_Ungetch);
CPPUNIT_TEST(Output_PutC);
CPPUNIT_TEST(Output_Write);
CPPUNIT_TEST(Output_LastWrite);
CPPUNIT_TEST(Output_SeekO);
CPPUNIT_TEST(Output_TellO);
// Other test specific for File stream test case.
CPPUNIT_TEST_SUITE_END();
protected:
// Add own test here.
private:
// Implement base class functions.
virtual wxFFileInputStream *DoCreateInStream();
virtual wxFFileOutputStream *DoCreateOutStream();
virtual void DoDeleteOutStream();
private:
wxString GetInFileName() const;
};
ffileStream::ffileStream()
{
/* Nothing extra */
}
ffileStream::~ffileStream()
{
// Remove the temp test file...
::wxRemoveFile(FILENAME_FFILEINSTREAM);
::wxRemoveFile(FILENAME_FFILEOUTSTREAM);
}
wxFFileInputStream *ffileStream::DoCreateInStream()
{
wxFFileInputStream *pFileInStream = new wxFFileInputStream(GetInFileName());
CPPUNIT_ASSERT(pFileInStream->IsOk());
return pFileInStream;
}
wxFFileOutputStream *ffileStream::DoCreateOutStream()
{
wxFFileOutputStream *pFileOutStream = new wxFFileOutputStream(FILENAME_FFILEOUTSTREAM);
CPPUNIT_ASSERT(pFileOutStream->IsOk());
return pFileOutStream;
}
void ffileStream::DoDeleteOutStream()
{
::wxRemoveFile(FILENAME_FFILEOUTSTREAM);
}
wxString ffileStream::GetInFileName() const
{
static bool bFileCreated = false;
if (!bFileCreated)
{
// Create the file only once
bFileCreated = true;
// Make sure we have a input file...
char buf[DATABUFFER_SIZE];
wxFFileOutputStream out(FILENAME_FFILEINSTREAM);
// Init the data buffer.
for (size_t i = 0; i < DATABUFFER_SIZE; i++)
buf[i] = (i % 0xFF);
// Save the data
out.Write(buf, DATABUFFER_SIZE);
}
return FILENAME_FFILEINSTREAM;
}
// Register the stream sub suite, by using some stream helper macro.
// Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(ffileStream)

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tests/streams/filestream.cpp Normal file
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///////////////////////////////////////////////////////////////////////////////
// Name: tests/streams/filestream.cpp
// Purpose: Test wxFileInputStream/wxFileOutputStream
// Author: Hans Van Leemputten
// RCS-ID: $Id$
// Copyright: (c) 2004 Hans Van Leemputten
// Licence: wxWidgets licence
///////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation
#pragma interface
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/cppunit.h"
#include "wx/wfstream.h"
#include "bstream.h"
using namespace std;
using namespace CppUnit;
#define DATABUFFER_SIZE 1024
static const wxString FILENAME_FILEINSTREAM = _T("fileinstream.test");
static const wxString FILENAME_FILEOUTSTREAM = _T("fileoutstream.test");
///////////////////////////////////////////////////////////////////////////////
// The test case
//
// Try to fully test wxFileInputStream and wxFileOutputStream
class fileStream : public BaseStreamTestCase<wxFileInputStream, wxFileOutputStream>
{
public:
fileStream();
virtual ~fileStream();
CPPUNIT_TEST_SUITE(fileStream);
// Base class stream tests the fileStream supports.
CPPUNIT_TEST(Input_GetSize);
CPPUNIT_TEST(Input_GetC);
CPPUNIT_TEST(Input_Read);
CPPUNIT_TEST(Input_Eof);
CPPUNIT_TEST(Input_LastRead);
CPPUNIT_TEST(Input_SeekI);
CPPUNIT_TEST(Input_TellI);
CPPUNIT_TEST(Input_Peek);
CPPUNIT_TEST(Input_Ungetch);
CPPUNIT_TEST(Output_PutC);
CPPUNIT_TEST(Output_Write);
CPPUNIT_TEST(Output_LastWrite);
CPPUNIT_TEST(Output_SeekO);
CPPUNIT_TEST(Output_TellO);
// Other test specific for File stream test case.
CPPUNIT_TEST_SUITE_END();
protected:
// Add own test here.
private:
// Implement base class functions.
virtual wxFileInputStream *DoCreateInStream();
virtual wxFileOutputStream *DoCreateOutStream();
virtual void DoDeleteOutStream();
private:
wxString GetInFileName() const;
};
fileStream::fileStream()
{
/* Nothing extra */
}
fileStream::~fileStream()
{
// Remove the temp test file...
::wxRemoveFile(FILENAME_FILEINSTREAM);
::wxRemoveFile(FILENAME_FILEOUTSTREAM);
}
wxFileInputStream *fileStream::DoCreateInStream()
{
wxFileInputStream *pFileInStream = new wxFileInputStream(GetInFileName());
CPPUNIT_ASSERT(pFileInStream->IsOk());
return pFileInStream;
}
wxFileOutputStream *fileStream::DoCreateOutStream()
{
wxFileOutputStream *pFileOutStream = new wxFileOutputStream(FILENAME_FILEOUTSTREAM);
CPPUNIT_ASSERT(pFileOutStream->IsOk());
return pFileOutStream;
}
void fileStream::DoDeleteOutStream()
{
::wxRemoveFile(FILENAME_FILEOUTSTREAM);
}
wxString fileStream::GetInFileName() const
{
static bool bFileCreated = false;
if (!bFileCreated)
{
// Create the file only once
bFileCreated = true;
// Make sure we have a input file...
char buf[DATABUFFER_SIZE];
wxFileOutputStream out(FILENAME_FILEINSTREAM);
// Init the data buffer.
for (size_t i = 0; i < DATABUFFER_SIZE; i++)
buf[i] = (i % 0xFF);
// Save the data
out.Write(buf, DATABUFFER_SIZE);
}
return FILENAME_FILEINSTREAM;
}
// Register the stream sub suite, by using some stream helper macro.
// Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(fileStream)

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tests/streams/memstream.cpp Normal file
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///////////////////////////////////////////////////////////////////////////////
// Name: tests/streams/memstream.cpp
// Purpose: Test wxMemoryInputStream/wxMemoryOutputStream
// Author: Hans Van Leemputten
// RCS-ID: $Id$
// Copyright: (c) 2004 Hans Van Leemputten
// Licence: wxWidgets licence
///////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation
#pragma interface
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/cppunit.h"
#include "wx/mstream.h"
#include "bstream.h"
using namespace std;
using namespace CppUnit;
#define DATABUFFER_SIZE 256
///////////////////////////////////////////////////////////////////////////////
// The test case
//
// Try to fully test wxMemoryInputStream and wxMemoryOutputStream
class memStream : public BaseStreamTestCase<wxMemoryInputStream, wxMemoryOutputStream>
{
public:
memStream();
virtual ~memStream();
CPPUNIT_TEST_SUITE(memStream);
// Base class stream tests the memStream supports.
CPPUNIT_TEST(Input_GetSize);
CPPUNIT_TEST(Input_GetC);
CPPUNIT_TEST(Input_Read);
CPPUNIT_TEST(Input_Eof);
CPPUNIT_TEST(Input_LastRead);
CPPUNIT_TEST(Input_SeekI);
CPPUNIT_TEST(Input_TellI);
CPPUNIT_TEST(Input_Peek);
CPPUNIT_TEST(Input_Ungetch);
CPPUNIT_TEST(Output_PutC);
CPPUNIT_TEST(Output_Write);
CPPUNIT_TEST(Output_LastWrite);
CPPUNIT_TEST(Output_SeekO);
CPPUNIT_TEST(Output_TellO);
// Other test specific for Memory stream test case.
CPPUNIT_TEST_SUITE_END();
protected:
// Add own test here.
private:
const char *GetDataBuffer();
private:
// Implement base class functions.
virtual wxMemoryInputStream *DoCreateInStream();
virtual wxMemoryOutputStream *DoCreateOutStream();
private:
char m_DataBuffer[DATABUFFER_SIZE];
};
memStream::memStream()
{
// Init the data buffer.
for (size_t i = 0; i < DATABUFFER_SIZE; i++)
m_DataBuffer[i] = (i % 0xFF);
}
memStream::~memStream()
{
/* Nothing extra for now. */
}
const char *memStream::GetDataBuffer()
{
return m_DataBuffer;
}
wxMemoryInputStream *memStream::DoCreateInStream()
{
wxMemoryInputStream *pMemInStream = new wxMemoryInputStream(GetDataBuffer(), DATABUFFER_SIZE);
CPPUNIT_ASSERT(pMemInStream->IsOk());
return pMemInStream;
}
wxMemoryOutputStream *memStream::DoCreateOutStream()
{
wxMemoryOutputStream *pMemOutStream = new wxMemoryOutputStream();
CPPUNIT_ASSERT(pMemOutStream->IsOk());
return pMemOutStream;
}
// Register the stream sub suite, by using some stream helper macro.
// Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(memStream)

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///////////////////////////////////////////////////////////////////////////////
// Name: tests/streams/zlibstream.cpp
// Purpose: Test wxZlibInputStream/wxZlibOutputStream
// Author: Hans Van Leemputten
// RCS-ID: $Id$
// Copyright: (c) 2004 Hans Van Leemputten
// Licence: wxWidgets licence
///////////////////////////////////////////////////////////////////////////////
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma implementation
#pragma interface
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/cppunit.h"
#include "wx/zstream.h"
#include "wx/wfstream.h"
#include "wx/mstream.h"
#include "bstream.h"
using namespace std;
using namespace CppUnit;
#define DATABUFFER_SIZE 1024
static const wxString FILENAME_GZ = _T("zlibtest.gz");
///////////////////////////////////////////////////////////////////////////////
// The test case
//
// Try to fully test wxZlibInputStream and wxFileOutputStream
class zlibStream : public BaseStreamTestCase<wxZlibInputStream, wxZlibOutputStream>
{
public:
zlibStream();
virtual ~zlibStream();
CPPUNIT_TEST_SUITE(zlibStream);
// Base class stream tests the zlibstream supports.
CPPUNIT_TEST_FAIL(Input_GetSize);
CPPUNIT_TEST(Input_GetC);
CPPUNIT_TEST(Input_Read);
CPPUNIT_TEST(Input_Eof);
CPPUNIT_TEST(Input_LastRead);
CPPUNIT_TEST_FAIL(Input_SeekI);
CPPUNIT_TEST(Input_TellI);
CPPUNIT_TEST(Input_Peek);
CPPUNIT_TEST(Input_Ungetch);
CPPUNIT_TEST(Output_PutC);
CPPUNIT_TEST(Output_Write);
CPPUNIT_TEST(Output_LastWrite);
CPPUNIT_TEST_FAIL(Output_SeekO);
CPPUNIT_TEST(Output_TellO);
// Other test specific for zlib stream test case.
CPPUNIT_TEST(TestStream_NoHeader_Default);
CPPUNIT_TEST(TestStream_NoHeader_NoComp);
CPPUNIT_TEST(TestStream_NoHeader_SpeedComp);
CPPUNIT_TEST(TestStream_NoHeader_BestComp);
CPPUNIT_TEST(TestStream_ZLib_Default);
CPPUNIT_TEST(TestStream_ZLib_NoComp);
CPPUNIT_TEST(TestStream_ZLib_SpeedComp);
CPPUNIT_TEST(TestStream_ZLib_BestComp);
CPPUNIT_TEST(TestStream_GZip_Default);
CPPUNIT_TEST(TestStream_GZip_NoComp);
CPPUNIT_TEST(TestStream_GZip_SpeedComp);
CPPUNIT_TEST(TestStream_GZip_BestComp);
CPPUNIT_TEST(TestStream_ZLibGZip);
CPPUNIT_TEST(Decompress_BadData);
CPPUNIT_TEST(Decompress_wx24Data);
CPPUNIT_TEST_SUITE_END();
protected:
// Test different stream construct settings.
void TestStream_NoHeader_Default();
void TestStream_NoHeader_NoComp();
void TestStream_NoHeader_SpeedComp();
void TestStream_NoHeader_BestComp();
void TestStream_ZLib_Default();
void TestStream_ZLib_NoComp();
void TestStream_ZLib_SpeedComp();
void TestStream_ZLib_BestComp();
void TestStream_GZip_Default();
void TestStream_GZip_NoComp();
void TestStream_GZip_SpeedComp();
void TestStream_GZip_BestComp();
void TestStream_ZLibGZip();
// Try to decompress bad data.
void Decompress_BadData();
// Decompress a data file created with wx 2.4.
// Note: This test is limited in testing range!
void Decompress_wx24Data();
private:
const char *GetDataBuffer();
const unsigned char *GetCompressedData();
void doTestStreamData(int input_flag, int output_flag, int compress_level);
private:
// Implement base class functions.
virtual wxZlibInputStream *DoCreateInStream();
virtual wxZlibOutputStream *DoCreateOutStream();
virtual void DoDeleteInStream();
virtual void DoDeleteOutStream();
private:
char m_DataBuffer[DATABUFFER_SIZE];
size_t m_SizeCompressedData;
unsigned char *m_pCompressedData;
// Used by the base Creat[In|Out]Stream and Delete[In|Out]Stream.
wxMemoryInputStream *m_pTmpMemInStream;
wxMemoryOutputStream *m_pTmpMemOutStream;
};
zlibStream::zlibStream()
:m_SizeCompressedData(0),
m_pCompressedData(NULL),
m_pTmpMemInStream(NULL),
m_pTmpMemOutStream(NULL)
{
// Init the data buffer.
for (size_t i = 0; i < DATABUFFER_SIZE; i++)
m_DataBuffer[i] = (i % 0xFF);
// Set extra base config settings.
m_bSimpleTellITest = true;
m_bSimpleTellOTest = true;
}
zlibStream::~zlibStream()
{
delete m_pCompressedData;
delete m_pTmpMemInStream;
delete m_pTmpMemOutStream;
}
void zlibStream::TestStream_NoHeader_Default()
{
doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_DEFAULT_COMPRESSION);
}
void zlibStream::TestStream_NoHeader_NoComp()
{
doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_NO_COMPRESSION);
}
void zlibStream::TestStream_NoHeader_SpeedComp()
{
doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_BEST_SPEED);
}
void zlibStream::TestStream_NoHeader_BestComp()
{
doTestStreamData(wxZLIB_NO_HEADER, wxZLIB_NO_HEADER, wxZ_BEST_COMPRESSION);
}
void zlibStream::TestStream_ZLib_Default()
{
doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
}
void zlibStream::TestStream_ZLib_NoComp()
{
doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_NO_COMPRESSION);
}
void zlibStream::TestStream_ZLib_SpeedComp()
{
doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_SPEED);
}
void zlibStream::TestStream_ZLib_BestComp()
{
doTestStreamData(wxZLIB_ZLIB, wxZLIB_ZLIB, wxZ_BEST_COMPRESSION);
}
void zlibStream::TestStream_GZip_Default()
{
doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
}
void zlibStream::TestStream_GZip_NoComp()
{
doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_NO_COMPRESSION);
}
void zlibStream::TestStream_GZip_SpeedComp()
{
doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_SPEED);
}
void zlibStream::TestStream_GZip_BestComp()
{
doTestStreamData(wxZLIB_GZIP, wxZLIB_GZIP, wxZ_BEST_COMPRESSION);
}
void zlibStream::TestStream_ZLibGZip()
{
// Only use default compression level, as this test is
// for testing if the streams can determine the stream type info them self...
doTestStreamData(wxZLIB_ZLIB|wxZLIB_GZIP, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
doTestStreamData(wxZLIB_ZLIB|wxZLIB_GZIP, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
}
void zlibStream::Decompress_BadData()
{
// Setup the bad data stream and the zlib stream.
wxMemoryInputStream memstream_in(GetDataBuffer(), DATABUFFER_SIZE);
CPPUNIT_ASSERT(memstream_in.IsOk());
wxZlibInputStream zstream_in(memstream_in);
CPPUNIT_ASSERT(zstream_in.IsOk()); // We did not yet read from the stream
// so it should still be OK.
// Try to force the stream to go to bad status.
CPPUNIT_ASSERT(!zstream_in.Eof());
if (zstream_in.IsOk())
zstream_in.GetC();
// Because of the bad data in the input stream the zlib
// stream should be marked as NOT OK.
CPPUNIT_ASSERT(!zstream_in.IsOk());
}
void zlibStream::Decompress_wx24Data()
{
// The wx24_value was used in a wxWidgets 2.4(.2)
// application to produce wx24_data, using wxZlibOutputStream.
const unsigned char wx24_data[] = {120,156,242,72,205,201,201,87,40,207,47,202,73,97,0,0,0,0,255,255,0};
const char *wx24_value = "Hello world";
// Size of the value and date items.
const size_t data_size = sizeof(wx24_data);
const size_t value_size = strlen(wx24_value);
const unsigned char *buf = GetCompressedData();
m_pTmpMemInStream = new wxMemoryInputStream(buf, m_SizeCompressedData);
wxMemoryInputStream memstream_in(wx24_data, data_size);
CPPUNIT_ASSERT(memstream_in.IsOk());
wxZlibInputStream zstream_in(memstream_in);
CPPUNIT_ASSERT(zstream_in.IsOk());
size_t i;
for (i = 0; !zstream_in.Eof(); i++)
{
char last_value = zstream_in.GetC();
if (last_value != wx24_value[i])
break;
// Don't go over the end of the value buffer...
if (wx24_value[i] == '\0')
{
// And if we do then try to see how long the stream actually is.
for (/* nothing */; !zstream_in.Eof(); i++)
{
// Move one item along in the stream.
(void)zstream_in.GetC();
// Check if we are in an infinite loop by multiplying value_size
// by 5 to have a *much* bigger range then the real range.
// Note: Incase you ask your self, why 5, the answer is no reason...
// it is not to big and not to small a size, nothing more
// nothing less to it.
if (i > (value_size*5))
{
// Note: Please make sure Input_Eof test passed.
CPPUNIT_FAIL("Infinite stream detected, breaking the infinite loop");
return;
}
}
break;
}
}
CPPUNIT_ASSERT_MESSAGE("Could not decompress data that was compressed with wxWidgets 2.4.x", i == (value_size + 1));
}
const char *zlibStream::GetDataBuffer()
{
return m_DataBuffer;
}
const unsigned char *zlibStream::GetCompressedData()
{
if (!m_pCompressedData)
{
#if 1
// Construct the compressed data live.
wxMemoryOutputStream memstream_out;
{
const char *buf = "01234567890123456789012345678901234567890123456789"; /* = 50 */
wxZlibOutputStream zstream_out(memstream_out);
zstream_out.Write(buf, strlen(buf));
}
// Copy the to the
m_SizeCompressedData = memstream_out.GetSize();
m_pCompressedData = new unsigned char[m_SizeCompressedData];
memstream_out.CopyTo(m_pCompressedData, m_SizeCompressedData);
#else
// Or use recorded compressed data.
const unsigned char tmp[] = {120,218,51,48,52,50,54,49,53,51,183,176,52,32,142,197,0,0,3,229,10,9,0};
m_SizeCompressedData = sizeof(tmp);
m_pCompressedData = new unsigned char[m_SizeCompressedData+1];
memcpy(m_pCompressedData, tmp, m_SizeCompressedData);
#endif
}
CPPUNIT_ASSERT(m_pCompressedData != NULL);
return m_pCompressedData;
}
void zlibStream::doTestStreamData(int input_flag, int output_flag, int compress_level)
{
size_t fail_pos = 0;
char last_value = 0;
bool bWasEOF = true;
{ // Part one: Create a compressed file.
wxFileOutputStream fstream_out(FILENAME_GZ);
CPPUNIT_ASSERT(fstream_out.IsOk());
wxZlibOutputStream zstream_out(fstream_out, compress_level, output_flag);
if (!zstream_out.IsOk())
{
if (output_flag == wxZLIB_GZIP)
CPPUNIT_FAIL("Could not create the gzip output stream. Note: gzip requires zlib 1.2+!");
else
CPPUNIT_FAIL("Could not create the output stream");
}
// Next: Compress some data so the file is containing something.
zstream_out.Write(GetDataBuffer(), DATABUFFER_SIZE);
}
{ // Part two: Verify that the compressed data when uncompressed
// matches the original data.
wxFileInputStream fstream_in(FILENAME_GZ);
CPPUNIT_ASSERT(fstream_in.IsOk());
wxZlibInputStream zstream_in(fstream_in, input_flag);
CPPUNIT_ASSERT_MESSAGE("Could not create the input stream", zstream_in.IsOk());
// Next: Check char per char if the returned data is valid.
const char *pbuf = GetDataBuffer();
for (fail_pos = 0; !zstream_in.Eof(); fail_pos++)
{
last_value = zstream_in.GetC();
if (last_value != pbuf[fail_pos])
break;
}
bWasEOF = zstream_in.Eof();
}
// Remove the temp file...
::wxRemoveFile(FILENAME_GZ);
// Check state of the verify action.
if (fail_pos != DATABUFFER_SIZE || !bWasEOF)
{
wxString msg(wxString::Format(_T("Wrong data item at pos %d (Org_val %d != Zlib_val %d), with compression level %d"),
fail_pos, GetDataBuffer()[fail_pos], last_value, compress_level));
CPPUNIT_FAIL(string(msg.mb_str()));
}
}
wxZlibInputStream *zlibStream::DoCreateInStream()
{
const unsigned char *buf = GetCompressedData();
m_pTmpMemInStream = new wxMemoryInputStream(buf, m_SizeCompressedData);
CPPUNIT_ASSERT(m_pTmpMemInStream->IsOk());
wxZlibInputStream *pzstream_in = new wxZlibInputStream(*m_pTmpMemInStream);
CPPUNIT_ASSERT(pzstream_in->IsOk());
return pzstream_in;
}
wxZlibOutputStream *zlibStream::DoCreateOutStream()
{
m_pTmpMemOutStream = new wxMemoryOutputStream();
CPPUNIT_ASSERT(m_pTmpMemOutStream->IsOk());
wxZlibOutputStream *pzstream_out = new wxZlibOutputStream(*m_pTmpMemOutStream);
CPPUNIT_ASSERT(pzstream_out->IsOk());
return pzstream_out;
}
void zlibStream::DoDeleteInStream()
{
delete m_pTmpMemInStream;
m_pTmpMemInStream = NULL;
}
void zlibStream::DoDeleteOutStream()
{
delete m_pTmpMemOutStream;
m_pTmpMemOutStream = NULL;
}
// Register the stream sub suite, by using some stream helper macro.
// Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(zlibStream)