tests/streams/datastreamtest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/datastreamtest.cpp
   3 // Purpose:     wxDataXXXStream Unit Test
   4 // Author:      Ryan Norton
   5 // Created:     2004-08-14
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 Ryan Norton
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/wx.h"
  22 #endif // WX_PRECOMP
  23
  24 #include <vector>
  25
  26 #include "wx/datstrm.h"
  27 #include "wx/wfstream.h"
  28 #include "wx/math.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // test class
  32 // ----------------------------------------------------------------------------
  33
  34 class DataStreamTestCase : public CppUnit::TestCase
  35 {
  36 public:
  37     DataStreamTestCase();
  38
  39 private:
  40     CPPUNIT_TEST_SUITE( DataStreamTestCase );
  41         CPPUNIT_TEST( FloatRW );
  42         CPPUNIT_TEST( DoubleRW );
  43 #if wxUSE_LONGLONG
  44         CPPUNIT_TEST( LongLongRW );
  45 #endif
  46 #if wxHAS_INT64
  47         CPPUNIT_TEST( Int64RW );
  48 #endif
  49         CPPUNIT_TEST( NaNRW );
  50     CPPUNIT_TEST_SUITE_END();
  51
  52     void FloatRW();
  53     void DoubleRW();
  54 #if wxUSE_LONGLONG
  55     void LongLongRW();
  56 #endif
  57 #if wxHAS_INT64
  58     void Int64RW();
  59 #endif
  60     void NaNRW();
  61
  62     DECLARE_NO_COPY_CLASS(DataStreamTestCase)
  63 };
  64
  65 // register in the unnamed registry so that these tests are run by default
  66 CPPUNIT_TEST_SUITE_REGISTRATION( DataStreamTestCase );
  67
  68 // also include in it's own registry so that these tests can be run alone
  69 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( DataStreamTestCase, "DataStreamTestCase" );
  70
  71 DataStreamTestCase::DataStreamTestCase()
  72 {
  73 }
  74
  75 static
  76 wxFloat64 TestFloatRW(wxFloat64 fValue)
  77 {
  78     wxFileOutputStream* pFileOutput = new wxFileOutputStream( _T("mytext.dat") );
  79     wxDataOutputStream* pDataOutput = new wxDataOutputStream( *pFileOutput );
  80
  81     *pDataOutput << fValue;
  82
  83     delete pDataOutput;
  84     delete pFileOutput;
  85
  86     wxFileInputStream* pFileInput = new wxFileInputStream( _T("mytext.dat") );
  87     wxDataInputStream* pDataInput = new wxDataInputStream( *pFileInput );
  88
  89     wxFloat64 fInFloat;
  90
  91     *pDataInput >> fInFloat;
  92
  93     delete pDataInput;
  94     delete pFileInput;
  95
  96     return fInFloat;
  97 }
  98
  99 template <class T>
 100 class TestMultiRW {
 101 public:
 102     typedef std::vector<T> ValueArray;
 103     typedef void (wxDataOutputStream::*FnWriter)(const T *buffer, size_t size);
 104     typedef void (wxDataInputStream::*FnReader)(T *buffer, size_t size);
 105
 106 private:
 107     bool m_ok;
 108
 109 private:
 110     void ProcessData(const T *Values,
 111                      typename ValueArray::size_type Size,
 112                      FnWriter pfnWriter,
 113                      FnReader pfnReader)
 114     {
 115         ValueArray InValues(Size);
 116
 117         {
 118             wxFileOutputStream FileOutput( _T("mytext.dat") );
 119             wxDataOutputStream DataOutput( FileOutput );
 120
 121             (DataOutput.*pfnWriter)(Values, Size);
 122         }
 123
 124         {
 125             wxFileInputStream FileInput( _T("mytext.dat") );
 126             wxDataInputStream DataInput( FileInput );
 127
 128             (DataInput.*pfnReader)(&*InValues.begin(), InValues.size());
 129         }
 130
 131         m_ok = true;
 132         for (typename ValueArray::size_type idx=0; idx!=Size; ++idx) {
 133             if (InValues[idx]!=Values[idx]) {
 134                 m_ok = false;
 135                 break;
 136             }
 137         }
 138     }
 139
 140
 141 public:
 142     TestMultiRW(const T *Values,
 143                 size_t Size,
 144                 FnWriter pfnWriter,
 145                 FnReader pfnReader)
 146     {
 147         ProcessData(Values, (typename ValueArray::size_type) Size, pfnWriter, pfnReader);
 148     }
 149     TestMultiRW(const ValueArray &Values,
 150                 FnWriter pfnWriter,
 151                 FnReader pfnReader)
 152     {
 153         ProcessData(&*Values.begin(), Values.size(), pfnWriter, pfnReader);
 154     }
 155
 156     bool Ok(void) const {
 157         return m_ok;
 158     }
 159 };
 160
 161 template <class T>
 162 static
 163 T TestRW(const T &Value)
 164 {
 165     T InValue;
 166
 167     {
 168         wxFileOutputStream FileOutput( _T("mytext.dat") );
 169         wxDataOutputStream DataOutput( FileOutput );
 170
 171         DataOutput << Value;
 172     }
 173
 174     {
 175         wxFileInputStream FileInput( _T("mytext.dat") );
 176         wxDataInputStream DataInput( FileInput );
 177
 178         DataInput >> InValue;
 179     }
 180
 181     return InValue;
 182 }
 183
 184 void DataStreamTestCase::FloatRW()
 185 {
 186     CPPUNIT_ASSERT( TestFloatRW(5.5) == 5.5 );
 187     CPPUNIT_ASSERT( TestFloatRW(5) == 5 );
 188     CPPUNIT_ASSERT( TestFloatRW(5.55) == 5.55 );
 189     CPPUNIT_ASSERT( TestFloatRW(55555.555555) == 55555.555555 );
 190 }
 191
 192 void DataStreamTestCase::DoubleRW()
 193 {
 194     CPPUNIT_ASSERT( TestFloatRW(2132131.1232132) == 2132131.1232132 );
 195     CPPUNIT_ASSERT( TestFloatRW(21321343431.1232143432) == 21321343431.1232143432 );
 196 }
 197
 198 #if wxUSE_LONGLONG
 199 void DataStreamTestCase::LongLongRW()
 200 {
 201     TestMultiRW<wxLongLong>::ValueArray ValuesLL;
 202     TestMultiRW<wxULongLong>::ValueArray ValuesULL;
 203
 204     ValuesLL.push_back(wxLongLong(0l));
 205     ValuesLL.push_back(wxLongLong(1l));
 206     ValuesLL.push_back(wxLongLong(-1l));
 207     ValuesLL.push_back(wxLongLong(0x12345678l));
 208     ValuesLL.push_back(wxLongLong(0x12345678l, 0xabcdef01l));
 209
 210     ValuesULL.push_back(wxULongLong(0l));
 211     ValuesULL.push_back(wxULongLong(1l));
 212     ValuesULL.push_back(wxULongLong(0x12345678l));
 213     ValuesULL.push_back(wxULongLong(0x12345678l, 0xabcdef01l));
 214
 215     CPPUNIT_ASSERT( TestRW(wxLongLong(0x12345678l)) == wxLongLong(0x12345678l) );
 216     CPPUNIT_ASSERT( TestRW(wxLongLong(0x12345678l, 0xabcdef01l)) == wxLongLong(0x12345678l, 0xabcdef01l) );
 217     CPPUNIT_ASSERT( TestMultiRW<wxLongLong>(ValuesLL, &wxDataOutputStream::WriteLL, &wxDataInputStream::ReadLL).Ok() );
 218     CPPUNIT_ASSERT( TestMultiRW<wxULongLong>(ValuesULL, &wxDataOutputStream::WriteLL, &wxDataInputStream::ReadLL).Ok() );
 219 }
 220 #endif
 221
 222 #if wxHAS_INT64
 223 void DataStreamTestCase::Int64RW()
 224 {
 225     TestMultiRW<wxInt64>::ValueArray ValuesI64;
 226     TestMultiRW<wxUint64>::ValueArray ValuesUI64;
 227
 228     ValuesI64.push_back(wxInt64(0l));
 229     ValuesI64.push_back(wxInt64(1l));
 230     ValuesI64.push_back(wxInt64(-1l));
 231     ValuesI64.push_back(wxInt64(0x12345678l));
 232     ValuesI64.push_back((wxInt64(0x12345678l) << 32) + wxInt64(0xabcdef01l));
 233
 234     ValuesUI64.push_back(wxUint64(0l));
 235     ValuesUI64.push_back(wxUint64(1l));
 236     ValuesUI64.push_back(wxUint64(0x12345678l));
 237     ValuesUI64.push_back((wxUint64(0x12345678l) << 32) + wxUint64(0xabcdef01l));
 238
 239     CPPUNIT_ASSERT( TestRW(wxUint64(0x12345678l)) == wxUint64(0x12345678l) );
 240     CPPUNIT_ASSERT( TestRW((wxUint64(0x12345678l) << 32) + wxUint64(0xabcdef01l)) == (wxUint64(0x12345678l) << 32) + wxUint64(0xabcdef01l) );
 241     CPPUNIT_ASSERT( TestMultiRW<wxInt64>(ValuesI64, &wxDataOutputStream::Write64, &wxDataInputStream::Read64).Ok() );
 242     CPPUNIT_ASSERT( TestMultiRW<wxUint64>(ValuesUI64, &wxDataOutputStream::Write64, &wxDataInputStream::Read64).Ok() );
 243 }
 244 #endif
 245
 246 void DataStreamTestCase::NaNRW()
 247 {
 248     //TODO?
 249 }
 250
 251