tests/streams/filestream.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/filestream.cpp
   3 // Purpose:     Test wxFileInputStream/wxFileOutputStream
   4 // Author:      Hans Van Leemputten
   5 // Copyright:   (c) 2004 Hans Van Leemputten
   6 // Licence:     wxWindows licence
   7 ///////////////////////////////////////////////////////////////////////////////
   8
   9 // For compilers that support precompilation, includes "wx/wx.h".
  10 // and "wx/cppunit.h"
  11 #include "testprec.h"
  12
  13 #ifdef __BORLANDC__
  14     #pragma hdrstop
  15 #endif
  16
  17 // for all others, include the necessary headers
  18 #ifndef WX_PRECOMP
  19     #include "wx/wx.h"
  20 #endif
  21
  22 #include "wx/wfstream.h"
  23
  24 #include "bstream.h"
  25
  26 #define DATABUFFER_SIZE     1024
  27
  28 static const wxString FILENAME_FILEINSTREAM = wxT("fileinstream.test");
  29 static const wxString FILENAME_FILEOUTSTREAM = wxT("fileoutstream.test");
  30
  31 ///////////////////////////////////////////////////////////////////////////////
  32 // The test case
  33 //
  34 // Try to fully test wxFileInputStream and wxFileOutputStream
  35
  36 class fileStream : public BaseStreamTestCase<wxFileInputStream, wxFileOutputStream>
  37 {
  38 public:
  39     fileStream();
  40     virtual ~fileStream();
  41
  42     CPPUNIT_TEST_SUITE(fileStream);
  43         // Base class stream tests the fileStream supports.
  44         CPPUNIT_TEST(Input_GetSize);
  45         CPPUNIT_TEST(Input_GetC);
  46         CPPUNIT_TEST(Input_Read);
  47         CPPUNIT_TEST(Input_Eof);
  48         CPPUNIT_TEST(Input_LastRead);
  49         CPPUNIT_TEST(Input_CanRead);
  50         CPPUNIT_TEST(Input_SeekI);
  51         CPPUNIT_TEST(Input_TellI);
  52         CPPUNIT_TEST(Input_Peek);
  53         CPPUNIT_TEST(Input_Ungetch);
  54
  55         CPPUNIT_TEST(Output_PutC);
  56         CPPUNIT_TEST(Output_Write);
  57         CPPUNIT_TEST(Output_LastWrite);
  58         CPPUNIT_TEST(Output_SeekO);
  59         CPPUNIT_TEST(Output_TellO);
  60
  61         // Other test specific for File stream test case.
  62     CPPUNIT_TEST_SUITE_END();
  63
  64 protected:
  65     // Add own test here.
  66
  67 private:
  68     // Implement base class functions.
  69     virtual wxFileInputStream  *DoCreateInStream();
  70     virtual wxFileOutputStream *DoCreateOutStream();
  71     virtual void DoDeleteOutStream();
  72
  73 private:
  74     wxString GetInFileName() const;
  75 };
  76
  77 fileStream::fileStream()
  78 {
  79     m_bSeekInvalidBeyondEnd = false;
  80 }
  81
  82 fileStream::~fileStream()
  83 {
  84     // Remove the temp test file...
  85     ::wxRemoveFile(FILENAME_FILEINSTREAM);
  86     ::wxRemoveFile(FILENAME_FILEOUTSTREAM);
  87 }
  88
  89 wxFileInputStream *fileStream::DoCreateInStream()
  90 {
  91     wxFileInputStream *pFileInStream = new wxFileInputStream(GetInFileName());
  92     CPPUNIT_ASSERT(pFileInStream->IsOk());
  93     return pFileInStream;
  94 }
  95 wxFileOutputStream *fileStream::DoCreateOutStream()
  96 {
  97     wxFileOutputStream *pFileOutStream = new wxFileOutputStream(FILENAME_FILEOUTSTREAM);
  98     CPPUNIT_ASSERT(pFileOutStream->IsOk());
  99     return pFileOutStream;
 100 }
 101
 102 void fileStream::DoDeleteOutStream()
 103 {
 104     ::wxRemoveFile(FILENAME_FILEOUTSTREAM);
 105 }
 106
 107 wxString fileStream::GetInFileName() const
 108 {
 109     static bool bFileCreated = false;
 110     if (!bFileCreated)
 111     {
 112         // Create the file only once
 113         bFileCreated = true;
 114
 115         // Make sure we have a input file...
 116         char buf[DATABUFFER_SIZE];
 117         wxFileOutputStream out(FILENAME_FILEINSTREAM);
 118
 119         // Init the data buffer.
 120         for (size_t i = 0; i < DATABUFFER_SIZE; i++)
 121             buf[i] = (i % 0xFF);
 122
 123         // Save the data
 124         out.Write(buf, DATABUFFER_SIZE);
 125     }
 126
 127     return FILENAME_FILEINSTREAM;
 128 }
 129
 130 // Register the stream sub suite, by using some stream helper macro.
 131 // Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
 132 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(fileStream)