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 using namespace std;
  33 using namespace CppUnit;
  34
  35 #define DATABUFFER_SIZE     256
  36
  37 ///////////////////////////////////////////////////////////////////////////////
  38 // The test case
  39 //
  40 // Try to fully test wxMemoryInputStream and wxMemoryOutputStream
  41
  42 class memStream : public BaseStreamTestCase<wxMemoryInputStream, wxMemoryOutputStream>
  43 {
  44 public:
  45     memStream();
  46     virtual ~memStream();
  47
  48     CPPUNIT_TEST_SUITE(memStream);
  49         // Base class stream tests the memStream supports.
  50         CPPUNIT_TEST(Input_GetSize);
  51         CPPUNIT_TEST(Input_GetC);
  52         CPPUNIT_TEST(Input_Read);
  53         CPPUNIT_TEST(Input_Eof);
  54         CPPUNIT_TEST(Input_LastRead);
  55         CPPUNIT_TEST(Input_SeekI);
  56         CPPUNIT_TEST(Input_TellI);
  57         CPPUNIT_TEST(Input_Peek);
  58         CPPUNIT_TEST(Input_Ungetch);
  59
  60         CPPUNIT_TEST(Output_PutC);
  61         CPPUNIT_TEST(Output_Write);
  62         CPPUNIT_TEST(Output_LastWrite);
  63         CPPUNIT_TEST(Output_SeekO);
  64         CPPUNIT_TEST(Output_TellO);
  65
  66         // Other test specific for Memory stream test case.
  67     CPPUNIT_TEST_SUITE_END();
  68
  69 protected:
  70     // Add own test here.
  71
  72 private:
  73     const char *GetDataBuffer();
  74
  75 private:
  76     // Implement base class functions.
  77     virtual wxMemoryInputStream  *DoCreateInStream();
  78     virtual wxMemoryOutputStream *DoCreateOutStream();
  79
  80 private:
  81     char    m_DataBuffer[DATABUFFER_SIZE];
  82 };
  83
  84 memStream::memStream()
  85 {
  86     // Init the data buffer.
  87     for (size_t i = 0; i < DATABUFFER_SIZE; i++)
  88         m_DataBuffer[i] = (i % 0xFF);
  89 }
  90
  91 memStream::~memStream()
  92 {
  93     /* Nothing extra for now. */
  94 }
  95
  96 const char *memStream::GetDataBuffer()
  97 {
  98     return m_DataBuffer;
  99 }
 100
 101 wxMemoryInputStream *memStream::DoCreateInStream()
 102 {
 103     wxMemoryInputStream *pMemInStream = new wxMemoryInputStream(GetDataBuffer(), DATABUFFER_SIZE);
 104     CPPUNIT_ASSERT(pMemInStream->IsOk());
 105     return pMemInStream;
 106 }
 107 wxMemoryOutputStream *memStream::DoCreateOutStream()
 108 {
 109     wxMemoryOutputStream *pMemOutStream = new wxMemoryOutputStream();
 110     CPPUNIT_ASSERT(pMemOutStream->IsOk());
 111     return pMemOutStream;
 112 }
 113
 114
 115 // Register the stream sub suite, by using some stream helper macro.
 116 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 117 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(memStream)