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 // 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_FILEINSTREAM = _T("fileinstream.test");
  30 static const wxString FILENAME_FILEOUTSTREAM = _T("fileoutstream.test");
  31
  32 ///////////////////////////////////////////////////////////////////////////////
  33 // The test case
  34 //
  35 // Try to fully test wxFileInputStream and wxFileOutputStream
  36
  37 class fileStream : public BaseStreamTestCase<wxFileInputStream, wxFileOutputStream>
  38 {
  39 public:
  40     fileStream();
  41     virtual ~fileStream();
  42
  43     CPPUNIT_TEST_SUITE(fileStream);
  44         // Base class stream tests the fileStream 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 wxFileInputStream  *DoCreateInStream();
  71     virtual wxFileOutputStream *DoCreateOutStream();
  72     virtual void DoDeleteOutStream();
  73
  74 private:
  75     wxString GetInFileName() const;
  76 };
  77
  78 fileStream::fileStream()
  79 {
  80     m_bSeekInvalidBeyondEnd = false;
  81 }
  82
  83 fileStream::~fileStream()
  84 {
  85     // Remove the temp test file...
  86     ::wxRemoveFile(FILENAME_FILEINSTREAM);
  87     ::wxRemoveFile(FILENAME_FILEOUTSTREAM);
  88 }
  89
  90 wxFileInputStream *fileStream::DoCreateInStream()
  91 {
  92     wxFileInputStream *pFileInStream = new wxFileInputStream(GetInFileName());
  93     CPPUNIT_ASSERT(pFileInStream->IsOk());
  94     return pFileInStream;
  95 }
  96 wxFileOutputStream *fileStream::DoCreateOutStream()
  97 {
  98     wxFileOutputStream *pFileOutStream = new wxFileOutputStream(FILENAME_FILEOUTSTREAM);
  99     CPPUNIT_ASSERT(pFileOutStream->IsOk());
 100     return pFileOutStream;
 101 }
 102
 103 void fileStream::DoDeleteOutStream()
 104 {
 105     ::wxRemoveFile(FILENAME_FILEOUTSTREAM);
 106 }
 107
 108 wxString fileStream::GetInFileName() const
 109 {
 110     static bool bFileCreated = false;
 111     if (!bFileCreated)
 112     {
 113         // Create the file only once
 114         bFileCreated = true;
 115
 116         // Make sure we have a input file...
 117         char buf[DATABUFFER_SIZE];
 118         wxFileOutputStream out(FILENAME_FILEINSTREAM);
 119
 120         // Init the data buffer.
 121         for (size_t i = 0; i < DATABUFFER_SIZE; i++)
 122             buf[i] = (i % 0xFF);
 123
 124         // Save the data
 125         out.Write(buf, DATABUFFER_SIZE);
 126     }
 127
 128     return FILENAME_FILEINSTREAM;
 129 }
 130
 131 // Register the stream sub suite, by using some stream helper macro.
 132 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 133 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(fileStream)