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///////////////////////////////////////////////////////////////////////////////
// Name: tests/streams/sstream.cpp
// Purpose: Test wxStringInputStream/wxStringOutputStream
// Author: Vadim Zeitlin
// Copyright: (c) 2004 Vadim Zeitlin
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx/wx.h".
// and "wx/cppunit.h"
#include "testprec.h"
// 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_CanRead);
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(Output_Check);
CPPUNIT_TEST_SUITE_END();
protected:
void Output_Check();
private:
// Implement base class functions.
virtual wxStringInputStream *DoCreateInStream() wxOVERRIDE;
virtual wxStringOutputStream *DoCreateOutStream() wxOVERRIDE;
// output the given string to wxStringOutputStream and check that its
// contents is exactly the same string
void CheckString(const wxString& text);
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 += wxChar(wxT('A') + n % (wxT('Z') - wxT('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;
}
void strStream::CheckString(const wxString& text)
{
wxStringOutputStream sos;
const wxCharBuffer buf(text.To8BitData());
sos.Write(buf, buf.length());
CPPUNIT_ASSERT_EQUAL( text, sos.GetString() );
}
void strStream::Output_Check()
{
CheckString("Hello world!");
CheckString(wxString("hi\0dden", 8));
}
// Register the stream sub suite, by using some stream helper macro.
STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(strStream)
TEST_CASE("wxStringOutputStream::Tell", "[stream]")
{
wxStringOutputStream ss;
CHECK( ss.TellO() == 0 );
const char* const s = "Hello world";
const wxFileOffset len = strlen(s);
ss.Write(s, len);
CHECK( ss.TellO() == len );
wxString str(s);
CHECK( wxStringOutputStream(&str).TellO() == len );
#if wxUSE_UNICODE
wxMBConvUTF16 convUTF16;
wxStringOutputStream ss16(NULL, convUTF16);
CHECK( ss16.TellO() == 0 );
const wxCharBuffer s16 = convUTF16.cWC2MB(wxWCharBuffer(str.wc_str()));
ss16.Write(s16, s16.length());
CHECK( ss16.TellO() == 2*len );
CHECK( wxStringOutputStream(&str, convUTF16).TellO() == 2*len );
// The U+2070D character is represented by a surrogate pair in UTF-16.
wxString u2070D = wxString::FromUTF8("\xF0\xA0\x9C\x8D");
CHECK( wxStringOutputStream(&u2070D, convUTF16).TellO() == 4 );
#endif // wxUSE_UNICODE
}
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