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///////////////////////////////////////////////////////////////////////////////
// Name: tests/streams/datastreamtest.cpp
// Purpose: wxDataXXXStream Unit Test
// Author: Ryan Norton
// Created: 2004-08-14
// Copyright: (c) 2004 Ryan Norton
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#include <vector>
#include "wx/datstrm.h"
#include "wx/wfstream.h"
#include "wx/math.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class DataStreamTestCase : public CppUnit::TestCase
{
public:
DataStreamTestCase();
private:
CPPUNIT_TEST_SUITE( DataStreamTestCase );
CPPUNIT_TEST( FloatRW );
CPPUNIT_TEST( DoubleRW );
#if wxUSE_LONGLONG
CPPUNIT_TEST( LongLongRW );
#endif
#if wxHAS_INT64
CPPUNIT_TEST( Int64RW );
#endif
CPPUNIT_TEST( NaNRW );
CPPUNIT_TEST( PseudoTest_UseBigEndian );
CPPUNIT_TEST( FloatRW );
CPPUNIT_TEST( DoubleRW );
// Only test standard IEEE 754 formats if we're using IEEE extended
// format by default, otherwise the tests above already covered them.
#if wxUSE_APPLE_IEEE
CPPUNIT_TEST( PseudoTest_UseIEEE754 );
CPPUNIT_TEST( FloatRW );
CPPUNIT_TEST( DoubleRW );
// Also retest little endian version with standard formats.
CPPUNIT_TEST( PseudoTest_UseLittleEndian );
CPPUNIT_TEST( FloatRW );
CPPUNIT_TEST( DoubleRW );
#endif // wxUSE_APPLE_IEEE
CPPUNIT_TEST_SUITE_END();
wxFloat64 TestFloatRW(wxFloat64 fValue);
void FloatRW();
void DoubleRW();
#if wxUSE_LONGLONG
void LongLongRW();
#endif
#if wxHAS_INT64
void Int64RW();
#endif
void NaNRW();
void PseudoTest_UseBigEndian() { ms_useBigEndianFormat = true; }
void PseudoTest_UseLittleEndian() { ms_useBigEndianFormat = false; }
#if wxUSE_APPLE_IEEE
void PseudoTest_UseIEEE754() { ms_useIEEE754 = true; }
#endif // wxUSE_APPLE_IEEE
static bool ms_useBigEndianFormat;
#if wxUSE_APPLE_IEEE
static bool ms_useIEEE754;
#endif // wxUSE_APPLE_IEEE
DECLARE_NO_COPY_CLASS(DataStreamTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( DataStreamTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DataStreamTestCase, "DataStreamTestCase" );
bool DataStreamTestCase::ms_useBigEndianFormat = false;
#if wxUSE_APPLE_IEEE
bool DataStreamTestCase::ms_useIEEE754 = false;
#endif // wxUSE_APPLE_IEEE
DataStreamTestCase::DataStreamTestCase()
{
}
wxFloat64 DataStreamTestCase::TestFloatRW(wxFloat64 fValue)
{
{
wxFileOutputStream pFileOutput( wxT("mytext.dat") );
wxDataOutputStream pDataOutput( pFileOutput );
if ( ms_useBigEndianFormat )
pDataOutput.BigEndianOrdered(true);
#if wxUSE_APPLE_IEEE
if ( ms_useIEEE754 )
pDataOutput.UseBasicPrecisions();
#endif // wxUSE_APPLE_IEEE
pDataOutput << fValue;
}
wxFileInputStream pFileInput( wxT("mytext.dat") );
wxDataInputStream pDataInput( pFileInput );
if ( ms_useBigEndianFormat )
pDataInput.BigEndianOrdered(true);
#if wxUSE_APPLE_IEEE
if ( ms_useIEEE754 )
pDataInput.UseBasicPrecisions();
#endif // wxUSE_APPLE_IEEE
wxFloat64 fInFloat;
pDataInput >> fInFloat;
return fInFloat;
}
template <class T>
class TestMultiRW {
public:
typedef std::vector<T> ValueArray;
typedef void (wxDataOutputStream::*FnWriter)(const T *buffer, size_t size);
typedef void (wxDataInputStream::*FnReader)(T *buffer, size_t size);
private:
bool m_ok;
private:
void ProcessData(const T *Values,
typename ValueArray::size_type Size,
FnWriter pfnWriter,
FnReader pfnReader)
{
ValueArray InValues(Size);
{
wxFileOutputStream FileOutput( wxT("mytext.dat") );
wxDataOutputStream DataOutput( FileOutput );
(DataOutput.*pfnWriter)(Values, Size);
}
{
wxFileInputStream FileInput( wxT("mytext.dat") );
wxDataInputStream DataInput( FileInput );
(DataInput.*pfnReader)(&*InValues.begin(), InValues.size());
}
m_ok = true;
for (typename ValueArray::size_type idx=0; idx!=Size; ++idx) {
if (InValues[idx]!=Values[idx]) {
m_ok = false;
break;
}
}
}
public:
TestMultiRW(const T *Values,
size_t Size,
FnWriter pfnWriter,
FnReader pfnReader)
{
ProcessData(Values, (typename ValueArray::size_type) Size, pfnWriter, pfnReader);
}
TestMultiRW(const ValueArray &Values,
FnWriter pfnWriter,
FnReader pfnReader)
{
ProcessData(&*Values.begin(), Values.size(), pfnWriter, pfnReader);
}
bool IsOk() const
{
return m_ok;
}
};
template <class T>
static
T TestRW(const T &Value)
{
T InValue;
{
wxFileOutputStream FileOutput( wxT("mytext.dat") );
wxDataOutputStream DataOutput( FileOutput );
DataOutput << Value;
}
{
wxFileInputStream FileInput( wxT("mytext.dat") );
wxDataInputStream DataInput( FileInput );
DataInput >> InValue;
}
return InValue;
}
void DataStreamTestCase::FloatRW()
{
CPPUNIT_ASSERT( TestFloatRW(5.5) == 5.5 );
CPPUNIT_ASSERT( TestFloatRW(5) == 5 );
CPPUNIT_ASSERT( TestFloatRW(5.55) == 5.55 );
CPPUNIT_ASSERT( TestFloatRW(55555.555555) == 55555.555555 );
}
void DataStreamTestCase::DoubleRW()
{
CPPUNIT_ASSERT( TestFloatRW(2132131.1232132) == 2132131.1232132 );
CPPUNIT_ASSERT( TestFloatRW(21321343431.1232143432) == 21321343431.1232143432 );
}
#if wxUSE_LONGLONG
void DataStreamTestCase::LongLongRW()
{
TestMultiRW<wxLongLong>::ValueArray ValuesLL;
TestMultiRW<wxULongLong>::ValueArray ValuesULL;
ValuesLL.push_back(wxLongLong(0l));
ValuesLL.push_back(wxLongLong(1l));
ValuesLL.push_back(wxLongLong(-1l));
ValuesLL.push_back(wxLongLong(0x12345678l));
ValuesLL.push_back(wxLongLong(0x12345678l, 0xabcdef01l));
ValuesULL.push_back(wxULongLong(0l));
ValuesULL.push_back(wxULongLong(1l));
ValuesULL.push_back(wxULongLong(0x12345678l));
ValuesULL.push_back(wxULongLong(0x12345678l, 0xabcdef01l));
CPPUNIT_ASSERT( TestRW(wxLongLong(0x12345678l)) == wxLongLong(0x12345678l) );
CPPUNIT_ASSERT( TestRW(wxLongLong(0x12345678l, 0xabcdef01l)) == wxLongLong(0x12345678l, 0xabcdef01l) );
CPPUNIT_ASSERT( TestMultiRW<wxLongLong>(ValuesLL, &wxDataOutputStream::WriteLL, &wxDataInputStream::ReadLL).IsOk() );
CPPUNIT_ASSERT( TestMultiRW<wxULongLong>(ValuesULL, &wxDataOutputStream::WriteLL, &wxDataInputStream::ReadLL).IsOk() );
}
#endif
#if wxHAS_INT64
void DataStreamTestCase::Int64RW()
{
TestMultiRW<wxInt64>::ValueArray ValuesI64;
TestMultiRW<wxUint64>::ValueArray ValuesUI64;
ValuesI64.push_back(wxInt64(0l));
ValuesI64.push_back(wxInt64(1l));
ValuesI64.push_back(wxInt64(-1l));
ValuesI64.push_back(wxInt64(0x12345678l));
ValuesI64.push_back((wxInt64(0x12345678l) << 32) + wxInt64(0xabcdef01l));
ValuesUI64.push_back(wxUint64(0l));
ValuesUI64.push_back(wxUint64(1l));
ValuesUI64.push_back(wxUint64(0x12345678l));
ValuesUI64.push_back((wxUint64(0x12345678l) << 32) + wxUint64(0xabcdef01l));
CPPUNIT_ASSERT( TestRW(wxUint64(0x12345678l)) == wxUint64(0x12345678l) );
CPPUNIT_ASSERT( TestRW((wxUint64(0x12345678l) << 32) + wxUint64(0xabcdef01l)) == (wxUint64(0x12345678l) << 32) + wxUint64(0xabcdef01l) );
CPPUNIT_ASSERT( TestMultiRW<wxInt64>(ValuesI64, &wxDataOutputStream::Write64, &wxDataInputStream::Read64).IsOk() );
CPPUNIT_ASSERT( TestMultiRW<wxUint64>(ValuesUI64, &wxDataOutputStream::Write64, &wxDataInputStream::Read64).IsOk() );
}
#endif
void DataStreamTestCase::NaNRW()
{
//TODO?
}
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