tests/streams/ffilestream.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/ffilestream.cpp
   3 // Purpose:     Test wxFFileInputStream/wxFFileOutputStream
   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/wfstream.h"
  29
  30 #include "bstream.h"
  31
  32 #define DATABUFFER_SIZE     1024
  33
  34 static const wxString FILENAME_FFILEINSTREAM = _T("ffileinstream.test");
  35 static const wxString FILENAME_FFILEOUTSTREAM = _T("ffileoutstream.test");
  36
  37 ///////////////////////////////////////////////////////////////////////////////
  38 // The test case
  39 //
  40 // Try to fully test wxFFileInputStream and wxFFileOutputStream
  41
  42 class ffileStream : public BaseStreamTestCase<wxFFileInputStream, wxFFileOutputStream>
  43 {
  44 public:
  45     ffileStream();
  46     virtual ~ffileStream();
  47
  48     CPPUNIT_TEST_SUITE(ffileStream);
  49         // Base class stream tests the ffileStream 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 File stream test case.
  67     CPPUNIT_TEST_SUITE_END();
  68
  69 protected:
  70     // Add own test here.
  71
  72 private:
  73     // Implement base class functions.
  74     virtual wxFFileInputStream  *DoCreateInStream();
  75     virtual wxFFileOutputStream *DoCreateOutStream();
  76     virtual void DoDeleteOutStream();
  77
  78 private:
  79     wxString GetInFileName() const;
  80 };
  81
  82 ffileStream::ffileStream()
  83 {
  84     m_bSeekInvalidBeyondEnd = false;
  85     m_bEofAtLastRead = false;
  86 }
  87
  88 ffileStream::~ffileStream()
  89 {
  90     // Remove the temp test file...
  91     ::wxRemoveFile(FILENAME_FFILEINSTREAM);
  92     ::wxRemoveFile(FILENAME_FFILEOUTSTREAM);
  93 }
  94
  95 wxFFileInputStream *ffileStream::DoCreateInStream()
  96 {
  97     wxFFileInputStream *pFileInStream = new wxFFileInputStream(GetInFileName());
  98     CPPUNIT_ASSERT(pFileInStream->IsOk());
  99     return pFileInStream;
 100 }
 101 wxFFileOutputStream *ffileStream::DoCreateOutStream()
 102 {
 103     wxFFileOutputStream *pFileOutStream = new wxFFileOutputStream(FILENAME_FFILEOUTSTREAM);
 104     CPPUNIT_ASSERT(pFileOutStream->IsOk());
 105     return pFileOutStream;
 106 }
 107
 108 void ffileStream::DoDeleteOutStream()
 109 {
 110     ::wxRemoveFile(FILENAME_FFILEOUTSTREAM);
 111 }
 112
 113 wxString ffileStream::GetInFileName() const
 114 {
 115     static bool bFileCreated = false;
 116     if (!bFileCreated)
 117     {
 118         // Create the file only once
 119         bFileCreated = true;
 120
 121         // Make sure we have a input file...
 122         char buf[DATABUFFER_SIZE];
 123         wxFFileOutputStream out(FILENAME_FFILEINSTREAM);
 124
 125         // Init the data buffer.
 126         for (size_t i = 0; i < DATABUFFER_SIZE; i++)
 127             buf[i] = (i % 0xFF);
 128
 129         // Save the data
 130         out.Write(buf, DATABUFFER_SIZE);
 131     }
 132
 133     return FILENAME_FFILEINSTREAM;
 134 }
 135
 136 // Register the stream sub suite, by using some stream helper macro.
 137 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 138 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(ffileStream)