tests/streams/memstream.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/memstream.cpp
   3 // Purpose:     Test wxMemoryInputStream/wxMemoryOutputStream
   4 // Author:      Hans Van Leemputten
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 2004 Hans Van Leemputten
   7 // Licence:     wxWidgets licence
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx/wx.h".
  11 // and "wx/cppunit.h"
  12 #include "testprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 // for all others, include the necessary headers
  19 #ifndef WX_PRECOMP
  20     #include "wx/wx.h"
  21 #endif
  22
  23 #include "wx/mstream.h"
  24
  25 #include "bstream.h"
  26
  27 #define DATABUFFER_SIZE     256
  28
  29 ///////////////////////////////////////////////////////////////////////////////
  30 // The test case
  31 //
  32 // Try to fully test wxMemoryInputStream and wxMemoryOutputStream
  33
  34 class memStream : public BaseStreamTestCase<wxMemoryInputStream, wxMemoryOutputStream>
  35 {
  36 public:
  37     memStream();
  38     virtual ~memStream();
  39
  40     CPPUNIT_TEST_SUITE(memStream);
  41         // Base class stream tests the memStream supports.
  42         CPPUNIT_TEST(Input_GetSize);
  43         CPPUNIT_TEST(Input_GetC);
  44         CPPUNIT_TEST(Input_Read);
  45         CPPUNIT_TEST(Input_Eof);
  46         CPPUNIT_TEST(Input_LastRead);
  47         CPPUNIT_TEST(Input_SeekI);
  48         CPPUNIT_TEST(Input_TellI);
  49         CPPUNIT_TEST(Input_Peek);
  50         CPPUNIT_TEST(Input_Ungetch);
  51
  52         CPPUNIT_TEST(Output_PutC);
  53         CPPUNIT_TEST(Output_Write);
  54         CPPUNIT_TEST(Output_LastWrite);
  55         CPPUNIT_TEST(Output_SeekO);
  56         CPPUNIT_TEST(Output_TellO);
  57
  58         // Other test specific for Memory stream test case.
  59     CPPUNIT_TEST_SUITE_END();
  60
  61 protected:
  62     // Add own test here.
  63
  64 private:
  65     const char *GetDataBuffer();
  66
  67 private:
  68     // Implement base class functions.
  69     virtual wxMemoryInputStream  *DoCreateInStream();
  70     virtual wxMemoryOutputStream *DoCreateOutStream();
  71
  72 private:
  73     char    m_DataBuffer[DATABUFFER_SIZE];
  74 };
  75
  76 memStream::memStream()
  77 {
  78     // Init the data buffer.
  79     for (size_t i = 0; i < DATABUFFER_SIZE; i++)
  80         m_DataBuffer[i] = (i % 0xFF);
  81 }
  82
  83 memStream::~memStream()
  84 {
  85     /* Nothing extra for now. */
  86 }
  87
  88 const char *memStream::GetDataBuffer()
  89 {
  90     return m_DataBuffer;
  91 }
  92
  93 wxMemoryInputStream *memStream::DoCreateInStream()
  94 {
  95     wxMemoryInputStream *pMemInStream = new wxMemoryInputStream(GetDataBuffer(), DATABUFFER_SIZE);
  96     CPPUNIT_ASSERT(pMemInStream->IsOk());
  97     return pMemInStream;
  98 }
  99 wxMemoryOutputStream *memStream::DoCreateOutStream()
 100 {
 101     wxMemoryOutputStream *pMemOutStream = new wxMemoryOutputStream();
 102     CPPUNIT_ASSERT(pMemOutStream->IsOk());
 103     return pMemOutStream;
 104 }
 105
 106
 107 // Register the stream sub suite, by using some stream helper macro.
 108 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 109 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(memStream)