properly detect missing data at the end of UTF-7-encoded segment and fail the convers...

[wxWidgets.git] / tests / strings / unicode.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        tests/strings/unicode.cpp
// Purpose:     Unicode unit test
// Author:      Vadim Zeitlin, Wlodzimierz ABX Skiba
// Created:     2004-04-28
// RCS-ID:      $Id$
// Copyright:   (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
///////////////////////////////////////////////////////////////////////////////

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "testprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/wx.h"
#endif // WX_PRECOMP

// ----------------------------------------------------------------------------
// local functions
// ----------------------------------------------------------------------------

#if wxUSE_WCHAR_T && !wxUSE_UNICODE

// in case wcscmp is missing
static int wx_wcscmp(const wchar_t *s1, const wchar_t *s2)
{
    while (*s1 == *s2 && *s1 != 0)
    {
        s1++;
        s2++;
    }
    return *s1 - *s2;
}

#endif // wxUSE_WCHAR_T && !wxUSE_UNICODE

// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------

class UnicodeTestCase : public CppUnit::TestCase
{
public:
    UnicodeTestCase();

private:
    CPPUNIT_TEST_SUITE( UnicodeTestCase );
        CPPUNIT_TEST( ToFromAscii );
#if wxUSE_WCHAR_T
        CPPUNIT_TEST( ConstructorsWithConversion );
        CPPUNIT_TEST( ConversionEmpty );
        CPPUNIT_TEST( ConversionWithNULs );
        CPPUNIT_TEST( ConversionUTF7 );
        CPPUNIT_TEST( ConversionUTF8 );
        CPPUNIT_TEST( ConversionUTF16 );
        CPPUNIT_TEST( ConversionUTF32 );
        CPPUNIT_TEST( IsConvOk );
#endif // wxUSE_WCHAR_T
#if wxUSE_UNICODE
        CPPUNIT_TEST( Iteration );
#endif
    CPPUNIT_TEST_SUITE_END();

    void ToFromAscii();
#if wxUSE_WCHAR_T
    void ConstructorsWithConversion();
    void ConversionEmpty();
    void ConversionWithNULs();
    void ConversionUTF7();
    void ConversionUTF8();
    void ConversionUTF16();
    void ConversionUTF32();
    void IsConvOk();
#if wxUSE_UNICODE
    void Iteration();
#endif

    // test if converting s using the given encoding gives ws and vice versa
    //
    // if either of the first 2 arguments is NULL, the conversion is supposed
    // to fail
    void DoTestConversion(const char *s, const wchar_t *w, wxMBConv& conv);
#endif // wxUSE_WCHAR_T


    DECLARE_NO_COPY_CLASS(UnicodeTestCase)
};

// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( UnicodeTestCase );

// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( UnicodeTestCase, "UnicodeTestCase" );

UnicodeTestCase::UnicodeTestCase()
{
}

void UnicodeTestCase::ToFromAscii()
{

#define TEST_TO_FROM_ASCII(txt)                              \
    {                                                        \
        static const char *msg = txt;                        \
        wxString s = wxString::FromAscii(msg);               \
        CPPUNIT_ASSERT( strcmp( s.ToAscii() , msg ) == 0 );  \
    }

    TEST_TO_FROM_ASCII( "Hello, world!" );
    TEST_TO_FROM_ASCII( "additional \" special \t test \\ component \n :-)" );
}

#if wxUSE_WCHAR_T
void UnicodeTestCase::ConstructorsWithConversion()
{