tests/streams/filestream.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/filestream.cpp
   3 // Purpose:     Test wxFileInputStream/wxFileOutputStream
   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 using namespace std;
  33 using namespace CppUnit;
  34
  35 #define DATABUFFER_SIZE     1024
  36
  37 static const wxString FILENAME_FILEINSTREAM = _T("fileinstream.test");
  38 static const wxString FILENAME_FILEOUTSTREAM = _T("fileoutstream.test");
  39
  40 ///////////////////////////////////////////////////////////////////////////////
  41 // The test case
  42 //
  43 // Try to fully test wxFileInputStream and wxFileOutputStream
  44
  45 class fileStream : public BaseStreamTestCase<wxFileInputStream, wxFileOutputStream>
  46 {
  47 public:
  48     fileStream();
  49     virtual ~fileStream();
  50
  51     CPPUNIT_TEST_SUITE(fileStream);
  52         // Base class stream tests the fileStream supports.
  53         CPPUNIT_TEST(Input_GetSize);
  54         CPPUNIT_TEST(Input_GetC);
  55         CPPUNIT_TEST(Input_Read);
  56         CPPUNIT_TEST(Input_Eof);
  57         CPPUNIT_TEST(Input_LastRead);
  58         CPPUNIT_TEST(Input_SeekI);
  59         CPPUNIT_TEST(Input_TellI);
  60         CPPUNIT_TEST(Input_Peek);
  61         CPPUNIT_TEST(Input_Ungetch);
  62
  63         CPPUNIT_TEST(Output_PutC);
  64         CPPUNIT_TEST(Output_Write);
  65         CPPUNIT_TEST(Output_LastWrite);
  66         CPPUNIT_TEST(Output_SeekO);
  67         CPPUNIT_TEST(Output_TellO);
  68
  69         // Other test specific for File stream test case.
  70     CPPUNIT_TEST_SUITE_END();
  71
  72 protected:
  73     // Add own test here.
  74
  75 private:
  76     // Implement base class functions.
  77     virtual wxFileInputStream  *DoCreateInStream();
  78     virtual wxFileOutputStream *DoCreateOutStream();
  79     virtual void DoDeleteOutStream();
  80
  81 private:
  82     wxString GetInFileName() const;
  83 };
  84
  85 fileStream::fileStream()
  86 {
  87     m_bSeekInvalidBeyondEnd = false;
  88 }
  89
  90 fileStream::~fileStream()
  91 {
  92     // Remove the temp test file...
  93     ::wxRemoveFile(FILENAME_FILEINSTREAM);
  94     ::wxRemoveFile(FILENAME_FILEOUTSTREAM);
  95 }
  96
  97 wxFileInputStream *fileStream::DoCreateInStream()
  98 {
  99     wxFileInputStream *pFileInStream = new wxFileInputStream(GetInFileName());
 100     CPPUNIT_ASSERT(pFileInStream->IsOk());
 101     return pFileInStream;
 102 }
 103 wxFileOutputStream *fileStream::DoCreateOutStream()
 104 {
 105     wxFileOutputStream *pFileOutStream = new wxFileOutputStream(FILENAME_FILEOUTSTREAM);
 106     CPPUNIT_ASSERT(pFileOutStream->IsOk());
 107     return pFileOutStream;
 108 }
 109
 110 void fileStream::DoDeleteOutStream()
 111 {
 112     ::wxRemoveFile(FILENAME_FILEOUTSTREAM);
 113 }
 114
 115 wxString fileStream::GetInFileName() const
 116 {
 117     static bool bFileCreated = false;
 118     if (!bFileCreated)
 119     {
 120         // Create the file only once
 121         bFileCreated = true;
 122
 123         // Make sure we have a input file...
 124         char buf[DATABUFFER_SIZE];
 125         wxFileOutputStream out(FILENAME_FILEINSTREAM);
 126
 127         // Init the data buffer.
 128         for (size_t i = 0; i < DATABUFFER_SIZE; i++)
 129             buf[i] = (i % 0xFF);
 130
 131         // Save the data
 132         out.Write(buf, DATABUFFER_SIZE);
 133     }
 134
 135     return FILENAME_FILEINSTREAM;
 136 }
 137
 138 // Register the stream sub suite, by using some stream helper macro.
 139 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 140 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(fileStream)