tests/streams/sstream.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/sstream.cpp
   3 // Purpose:     Test wxStringInputStream/wxStringOutputStream
   4 // Author:      Vadim Zeitlin
   5 // Copyright:   (c) 2004 Vadim Zeitlin
   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 #endif
  20
  21 #include "wx/sstream.h"
  22
  23 #include "bstream.h"
  24
  25 ///////////////////////////////////////////////////////////////////////////////
  26 // The test case
  27 //
  28 // Try to fully test wxStringInputStream and wxStringOutputStream
  29
  30 class strStream :
  31         public BaseStreamTestCase<wxStringInputStream, wxStringOutputStream>
  32 {
  33 public:
  34     strStream();
  35     virtual ~strStream();
  36
  37     CPPUNIT_TEST_SUITE(strStream);
  38         // Base class stream tests the strStream supports.
  39         CPPUNIT_TEST(Input_GetSize);
  40         CPPUNIT_TEST(Input_GetC);
  41         CPPUNIT_TEST(Input_Read);
  42         CPPUNIT_TEST(Input_Eof);
  43         CPPUNIT_TEST(Input_LastRead);
  44         CPPUNIT_TEST(Input_CanRead);
  45         CPPUNIT_TEST(Input_SeekI);
  46         CPPUNIT_TEST(Input_TellI);
  47         CPPUNIT_TEST(Input_Peek);
  48         CPPUNIT_TEST(Input_Ungetch);
  49
  50         CPPUNIT_TEST(Output_PutC);
  51         CPPUNIT_TEST(Output_Write);
  52         CPPUNIT_TEST(Output_LastWrite);
  53         // seeking currently not supported by output string stream
  54         //CPPUNIT_TEST(Output_SeekO);
  55         //CPPUNIT_TEST(Output_TellO);
  56
  57         // Other test specific for String stream test case.
  58         CPPUNIT_TEST(Output_Check);
  59     CPPUNIT_TEST_SUITE_END();
  60
  61 protected:
  62     void Output_Check();
  63
  64 private:
  65     // Implement base class functions.
  66     virtual wxStringInputStream  *DoCreateInStream();
  67     virtual wxStringOutputStream *DoCreateOutStream();
  68
  69     // output the given string to wxStringOutputStream and check that its
  70     // contents is exactly the same string
  71     void CheckString(const wxString& text);
  72
  73     wxString m_str;
  74 };
  75
  76 strStream::strStream()
  77 {
  78     static const size_t LEN = 256;
  79     m_str.reserve(LEN);
  80     for ( size_t n = 0; n < LEN; n++ )
  81     {
  82         m_str += wxChar(wxT('A') + n % (wxT('Z') - wxT('A') + 1));
  83     }
  84 }
  85
  86 strStream::~strStream()
  87 {
  88 }
  89
  90 wxStringInputStream *strStream::DoCreateInStream()
  91 {
  92     wxStringInputStream *pStrInStream = new wxStringInputStream(m_str);
  93     CPPUNIT_ASSERT(pStrInStream->IsOk());
  94     return pStrInStream;
  95 }
  96
  97 wxStringOutputStream *strStream::DoCreateOutStream()
  98 {
  99     wxStringOutputStream *pStrOutStream = new wxStringOutputStream();
 100     CPPUNIT_ASSERT(pStrOutStream->IsOk());
 101     return pStrOutStream;
 102 }
 103
 104 void strStream::CheckString(const wxString& text)
 105 {
 106     wxStringOutputStream sos;
 107
 108     const wxCharBuffer buf(text.To8BitData());
 109     sos.Write(buf, buf.length());
 110
 111     CPPUNIT_ASSERT_EQUAL( text, sos.GetString() );
 112 }
 113
 114 void strStream::Output_Check()
 115 {
 116     CheckString("Hello world!");
 117     CheckString(wxString("hi\0dden", 8));
 118 }
 119
 120 // Register the stream sub suite, by using some stream helper macro.
 121 STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(strStream)