wxWidgets/tests/streams/sstream.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        tests/streams/sstream.cpp
// Purpose:     Test wxStringInputStream/wxStringOutputStream
// Author:      Vadim Zeitlin
// RCS-ID:      $Id$
// Copyright:   (c) 2004 Vadim Zeitlin
// Licence:     wxWidgets licence
///////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx/wx.h".
// and "wx/cppunit.h"
#include "testprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

// for all others, include the necessary headers
#ifndef WX_PRECOMP
#endif

#include "wx/sstream.h"

#include "bstream.h"

///////////////////////////////////////////////////////////////////////////////
// The test case
//
// Try to fully test wxStringInputStream and wxStringOutputStream

class strStream :
        public BaseStreamTestCase<wxStringInputStream, wxStringOutputStream>
{
public:
    strStream();
    virtual ~strStream();

    CPPUNIT_TEST_SUITE(strStream);
        // Base class stream tests the strStream supports.
        CPPUNIT_TEST(Input_GetSize);
        CPPUNIT_TEST(Input_GetC);
        CPPUNIT_TEST(Input_Read);
        CPPUNIT_TEST(Input_Eof);
        CPPUNIT_TEST(Input_LastRead);
        CPPUNIT_TEST(Input_SeekI);
        CPPUNIT_TEST(Input_TellI);
        CPPUNIT_TEST(Input_Peek);
        CPPUNIT_TEST(Input_Ungetch);

        CPPUNIT_TEST(Output_PutC);
        CPPUNIT_TEST(Output_Write);
        CPPUNIT_TEST(Output_LastWrite);
        // seeking currently not supported by output string stream
        //CPPUNIT_TEST(Output_SeekO);
        //CPPUNIT_TEST(Output_TellO);

        // Other test specific for String stream test case.
    CPPUNIT_TEST_SUITE_END();

protected:
    // Add own test here.

private:
    // Implement base class functions.
    virtual wxStringInputStream  *DoCreateInStream();
    virtual wxStringOutputStream *DoCreateOutStream();

    wxString m_str;
};

strStream::strStream()
{
    static const size_t LEN = 256;
    m_str.reserve(LEN);
    for ( size_t n = 0; n < LEN; n++ )
    {
        m_str += _T('A') + n % (_T('Z') - _T('A') + 1);
    }
}

strStream::~strStream()
{
}

wxStringInputStream *strStream::DoCreateInStream()
{
    wxStringInputStream *pStrInStream = new wxStringInputStream(m_str);
    CPPUNIT_ASSERT(pStrInStream->IsOk());
    return pStrInStream;
}

wxStringOutputStream *strStream::DoCreateOutStream()
{
    wxStringOutputStream *pStrOutStream = new wxStringOutputStream();
    CPPUNIT_ASSERT(pStrOutStream->IsOk());
    return pStrOutStream;
}


// Register the stream sub suite, by using some stream helper macro.
STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(strStream)