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 #if defined(__GNUG__) && !defined(__APPLE__)
  11     #pragma implementation
  12     #pragma interface
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx/wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 // for all others, include the necessary headers
  23 #ifndef WX_PRECOMP
  24     #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/cppunit.h"
  28 #include "wx/mstream.h"
  29
  30 #include "bstream.h"
  31
  32 #define DATABUFFER_SIZE     256
  33
  34 ///////////////////////////////////////////////////////////////////////////////
  35 // The test case
  36 //
  37 // Try to fully test wxMemoryInputStream and wxMemoryOutputStream
  38
  39 class memStream : public BaseStreamTestCase<wxMemoryInputStream, wxMemoryOutputStream>
  40 {
  41 public:
  42     memStream();
  43     virtual ~memStream();
  44
  45     CPPUNIT_TEST_SUITE(memStream);
  46         // Base class stream tests the memStream supports.
  47         CPPUNIT_TEST(Input_GetSize);
  48         CPPUNIT_TEST(Input_GetC);
  49         CPPUNIT_TEST(Input_Read);
  50         CPPUNIT_TEST(Input_Eof);
  51         CPPUNIT_TEST(Input_LastRead);
  52         CPPUNIT_TEST(Input_SeekI);
  53         CPPUNIT_TEST(Input_TellI);
  54         CPPUNIT_TEST(Input_Peek);
  55         CPPUNIT_TEST(Input_Ungetch);
  56
  57         CPPUNIT_TEST(Output_PutC);
  58         CPPUNIT_TEST(Output_Write);
  59         CPPUNIT_TEST(Output_LastWrite);
  60         CPPUNIT_TEST(Output_SeekO);
  61         CPPUNIT_TEST(Output_TellO);
  62
  63         // Other test specific for Memory stream test case.
  64     CPPUNIT_TEST_SUITE_END();
  65
  66 protected:
  67     // Add own test here.
  68
  69 private:
  70     const char *GetDataBuffer();
  71
  72 private:
  73     // Implement base class functions.
  74     virtual wxMemoryInputStream  *DoCreateInStream();
  75     virtual wxMemoryOutputStream *DoCreateOutStream();
  76
  77 private:
  78     char    m_DataBuffer[DATABUFFER_SIZE];
  79 };
  80
  81 memStream::memStream()
  82 {
  83     // Init the data buffer.
  84     for (size_t i = 0; i < DATABUFFER_SIZE; i++)
  85         m_DataBuffer[i] = (i % 0xFF);
  86 }
  87
  88 memStream::~memStream()
  89 {
  90     /* Nothing extra for now. */
  91 }
  92
  93 const char *memStream::GetDataBuffer()
  94 {
  95     return m_DataBuffer;
  96 }
  97
  98 wxMemoryInputStream *memStream::DoCreateInStream()
  99 {
 100     wxMemoryInputStream *pMemInStream = new wxMemoryInputStream(GetDataBuffer(), DATABUFFER_SIZE);
 101     CPPUNIT_ASSERT(pMemInStream->IsOk());
 102     return pMemInStream;
 103 }
 104 wxMemoryOutputStream *memStream::DoCreateOutStream()
 105 {
 106     wxMemoryOutputStream *pMemOutStream = new wxMemoryOutputStream();
 107     CPPUNIT_ASSERT(pMemOutStream->IsOk());
 108     return pMemOutStream;
 109 }
 110
 111
 112 // Register the stream sub suite, by using some stream helper macro.
 113 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 114 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(memStream)