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

///////////////////////////////////////////////////////////////////////////////
// Name:        tests/strings/strings.cpp
// Purpose:     wxString unit test
// Author:      Vadim Zeitlin, Wlodzimierz ABX Skiba
// Created:     2004-04-19
// 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

#include "wx/tokenzr.h"

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

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

private:
    CPPUNIT_TEST_SUITE( StringTestCase );
        CPPUNIT_TEST( String );
        CPPUNIT_TEST( PChar );
        CPPUNIT_TEST( Format );
        CPPUNIT_TEST( Constructors );
#if wxUSE_WCHAR_T
        CPPUNIT_TEST( ConstructorsWithConversion );
        CPPUNIT_TEST( Conversion );
        CPPUNIT_TEST( ConversionUTF7 );
        CPPUNIT_TEST( ConversionUTF8 );
#endif // wxUSE_WCHAR_T
        CPPUNIT_TEST( Extraction );
        CPPUNIT_TEST( Find );
        CPPUNIT_TEST( Tokenizer );
        CPPUNIT_TEST( TokenizerGetPosition );
        CPPUNIT_TEST( Replace );
        CPPUNIT_TEST( Match );
        CPPUNIT_TEST( CaseChanges );
        CPPUNIT_TEST( Compare );
        CPPUNIT_TEST( CompareNoCase );
    CPPUNIT_TEST_SUITE_END();

    void String();
    void PChar();
    void Format();
    void Constructors();
#if wxUSE_WCHAR_T
    void ConstructorsWithConversion();
    void Conversion();
    void ConversionUTF7();
    void ConversionUTF8();
#endif // wxUSE_WCHAR_T
    void Extraction();
    void Find();
    void SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode );
    void Tokenizer();
    void TokenizerGetPosition();
    void Replace();
    void Match();
    void CaseChanges();
    void Compare();
    void CompareNoCase();

#if wxUSE_WCHAR_T
    // 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, wxCSConv& conv);
#endif // wxUSE_WCHAR_T

    DECLARE_NO_COPY_CLASS(StringTestCase)
};

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

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

StringTestCase::StringTestCase()
{
}

void StringTestCase::String()
{
    wxString a, b, c;

    a.reserve (128);
    b.reserve (128);
    c.reserve (128);

    for (int i = 0; i < 2; ++i)
    {
        a = _T("Hello");
        b = _T(" world");
        c = _T("! How'ya doin'?");
        a += b;
        a += c;
        c = _T("Hello world! What's up?");
        CPPUNIT_ASSERT( c != a );
    }
}

void StringTestCase::PChar()
{
    wxChar a [128];
    wxChar b [128];
    wxChar c [128];

    for (int i = 0; i < 2; ++i)
    {
        wxStrcpy (a, _T("Hello"));
        wxStrcpy (b, _T(" world"));
        wxStrcpy (c, _T("! How'ya doin'?"));
        wxStrcat (a, b);
        wxStrcat (a, c);
        wxStrcpy (c, _T("Hello world! What's up?"));
        CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
    }
}

void StringTestCase::Format()
{
    wxString s1,s2;
    s1.Printf(_T("%03d"), 18);
    CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
    s2.Printf(_T("Number 18: %s\n"), s1.c_str());
    CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
}

void StringTestCase::Constructors()
{
    #define TEST_CTOR(args, res)                                               \
        {                                                                      \
            wxString s args ;                                                  \
            CPPUNIT_ASSERT( s == res );                                        \
        }

    TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
    TEST_CTOR((_T("Hello"), 4), _T("Hell"));
    TEST_CTOR((_T("Hello"), 5), _T("Hello"));

    static const wxChar *s = _T("?really!");
    const wxChar *start = wxStrchr(s, _T('r'));
    const wxChar *end = wxStrchr(s, _T('!'));
    TEST_CTOR((start, end), _T("really"));
}

#if wxUSE_WCHAR_T
void StringTestCase::ConstructorsWithConversion()
{