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 // 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/wfstream.h"
  24
  25 #include "bstream.h"
  26
  27 #define DATABUFFER_SIZE     1024
  28
  29 static const wxString FILENAME_FFILEINSTREAM = wxT("ffileinstream.test");
  30 static const wxString FILENAME_FFILEOUTSTREAM = wxT("ffileoutstream.test");
  31
  32 ///////////////////////////////////////////////////////////////////////////////
  33 // The test case
  34 //
  35 // Try to fully test wxFFileInputStream and wxFFileOutputStream
  36
  37 class ffileStream : public BaseStreamTestCase<wxFFileInputStream, wxFFileOutputStream>
  38 {
  39 public:
  40     ffileStream();
  41     virtual ~ffileStream();
  42
  43     CPPUNIT_TEST_SUITE(ffileStream);
  44         // Base class stream tests the ffileStream supports.
  45         CPPUNIT_TEST(Input_GetSize);
  46         CPPUNIT_TEST(Input_GetC);
  47         CPPUNIT_TEST(Input_Read);
  48         CPPUNIT_TEST(Input_Eof);
  49         CPPUNIT_TEST(Input_LastRead);
  50         CPPUNIT_TEST(Input_CanRead);
  51         CPPUNIT_TEST(Input_SeekI);
  52         CPPUNIT_TEST(Input_TellI);
  53         CPPUNIT_TEST(Input_Peek);
  54         CPPUNIT_TEST(Input_Ungetch);
  55
  56         CPPUNIT_TEST(Output_PutC);
  57         CPPUNIT_TEST(Output_Write);
  58         CPPUNIT_TEST(Output_LastWrite);
  59         CPPUNIT_TEST(Output_SeekO);
  60         CPPUNIT_TEST(Output_TellO);
  61
  62         // Other test specific for File stream test case.
  63     CPPUNIT_TEST_SUITE_END();
  64
  65 protected:
  66     // Add own test here.
  67
  68 private:
  69     // Implement base class functions.
  70     virtual wxFFileInputStream  *DoCreateInStream();
  71     virtual wxFFileOutputStream *DoCreateOutStream();
  72     virtual void DoDeleteOutStream();
  73
  74 private:
  75     wxString GetInFileName() const;
  76 };
  77
  78 ffileStream::ffileStream()
  79 {
  80     m_bSeekInvalidBeyondEnd = false;
  81     m_bEofAtLastRead = false;
  82 }
  83
  84 ffileStream::~ffileStream()
  85 {
  86     // Remove the temp test file...
  87     ::wxRemoveFile(FILENAME_FFILEINSTREAM);
  88     ::wxRemoveFile(FILENAME_FFILEOUTSTREAM);
  89 }
  90
  91 wxFFileInputStream *ffileStream::DoCreateInStream()
  92 {
  93     wxFFileInputStream *pFileInStream = new wxFFileInputStream(GetInFileName());
  94     CPPUNIT_ASSERT(pFileInStream->IsOk());
  95     return pFileInStream;
  96 }
  97 wxFFileOutputStream *ffileStream::DoCreateOutStream()
  98 {
  99     wxFFileOutputStream *pFileOutStream = new wxFFileOutputStream(FILENAME_FFILEOUTSTREAM);
 100     CPPUNIT_ASSERT(pFileOutStream->IsOk());
 101     return pFileOutStream;
 102 }
 103
 104 void ffileStream::DoDeleteOutStream()
 105 {
 106     ::wxRemoveFile(FILENAME_FFILEOUTSTREAM);
 107 }
 108
 109 wxString ffileStream::GetInFileName() const
 110 {
 111     static bool bFileCreated = false;
 112     if (!bFileCreated)
 113     {
 114         // Create the file only once
 115         bFileCreated = true;
 116
 117         // Make sure we have a input file...
 118         char buf[DATABUFFER_SIZE];
 119         wxFFileOutputStream out(FILENAME_FFILEINSTREAM);
 120
 121         // Init the data buffer.
 122         for (size_t i = 0; i < DATABUFFER_SIZE; i++)
 123             buf[i] = (i % 0xFF);
 124
 125         // Save the data
 126         out.Write(buf, DATABUFFER_SIZE);
 127     }
 128
 129     return FILENAME_FFILEINSTREAM;
 130 }
 131
 132 // Register the stream sub suite, by using some stream helper macro.
 133 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 134 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(ffileStream)