Added wxPropertyGrid::SetSortFunction(); moved Sort() and SortChildren() to wxPropert...

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

diff --git a/tests/strings/strings.cpp b/tests/strings/strings.cpp
index 9bda408884eff9eab97a74d98fa618d2d3b9490b..09686b11da5b493e6d854e7f2ec6cc4023a5d5a2 100644 (file)
--- a/tests/strings/strings.cpp
+++ b/tests/strings/strings.cpp
@@ -36,6 +36,7 @@ private:
         CPPUNIT_TEST( PChar );
         CPPUNIT_TEST( Format );
         CPPUNIT_TEST( Constructors );
         CPPUNIT_TEST( PChar );
         CPPUNIT_TEST( Format );
         CPPUNIT_TEST( Constructors );

+        CPPUNIT_TEST( StaticConstructors );

         CPPUNIT_TEST( Extraction );
         CPPUNIT_TEST( Trim );
         CPPUNIT_TEST( Find );
         CPPUNIT_TEST( Extraction );
         CPPUNIT_TEST( Trim );
         CPPUNIT_TEST( Find );


@@ -52,13 +53,21 @@ private:
         CPPUNIT_TEST( ToULongLong );
 #endif // wxLongLong_t
         CPPUNIT_TEST( ToDouble );
         CPPUNIT_TEST( ToULongLong );
 #endif // wxLongLong_t
         CPPUNIT_TEST( ToDouble );

-        CPPUNIT_TEST( WriteBuf );
+        CPPUNIT_TEST( StringBuf );
+        CPPUNIT_TEST( UTF8Buf );
+        CPPUNIT_TEST( CStrDataTernaryOperator );
+        CPPUNIT_TEST( CStrDataOperators );
+        CPPUNIT_TEST( CStrDataImplicitConversion );
+        CPPUNIT_TEST( ExplicitConversion );
+        CPPUNIT_TEST( IndexedAccess );
+        CPPUNIT_TEST( BeforeAndAfter );

     CPPUNIT_TEST_SUITE_END();
 
     void String();
     void PChar();
     void Format();
     void Constructors();
     CPPUNIT_TEST_SUITE_END();
 
     void String();
     void PChar();
     void Format();
     void Constructors();

+    void StaticConstructors();

     void Extraction();
     void Trim();
     void Find();
     void Extraction();
     void Trim();
     void Find();


@@ -75,7 +84,15 @@ private:
     void ToULongLong();
 #endif // wxLongLong_t
     void ToDouble();
     void ToULongLong();
 #endif // wxLongLong_t
     void ToDouble();

-    void WriteBuf();
+    void StringBuf();
+    void UTF8Buf();
+    void CStrDataTernaryOperator();
+    void DoCStrDataTernaryOperator(bool cond);
+    void CStrDataOperators();
+    void CStrDataImplicitConversion();
+    void ExplicitConversion();
+    void IndexedAccess();
+    void BeforeAndAfter();

 
     DECLARE_NO_COPY_CLASS(StringTestCase)
 };
 
     DECLARE_NO_COPY_CLASS(StringTestCase)
 };


@@ -148,22 +165,49 @@ void StringTestCase::Format()
 
 void StringTestCase::Constructors()
 {
 
 void StringTestCase::Constructors()
 {

-    #define TEST_CTOR(args, res)                                               \
-        {                                                                      \
-            wxString s args ;                                                  \
-            CPPUNIT_ASSERT( s == res );                                        \
-        }
+    CPPUNIT_ASSERT_EQUAL( "", wxString('Z', 0) );
+    CPPUNIT_ASSERT_EQUAL( "Z", wxString('Z') );
+    CPPUNIT_ASSERT_EQUAL( "ZZZZ", wxString('Z', 4) );
+    CPPUNIT_ASSERT_EQUAL( "Hell", wxString("Hello", 4) );
+    CPPUNIT_ASSERT_EQUAL( "Hello", wxString("Hello", 5) );
+
+#if wxUSE_UNICODE
+    CPPUNIT_ASSERT_EQUAL( L"", wxString(L'Z', 0) );
+    CPPUNIT_ASSERT_EQUAL( L"Z", wxString(L'Z') );
+    CPPUNIT_ASSERT_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
+    CPPUNIT_ASSERT_EQUAL( L"Hell", wxString(L"Hello", 4) );
+    CPPUNIT_ASSERT_EQUAL( L"Hello", wxString(L"Hello", 5) );
+#endif // wxUSE_UNICODE
+
+    static const char *s = "?really!";
+    const char *start = wxStrchr(s, 'r');
+    const char *end = wxStrchr(s, '!');
+    CPPUNIT_ASSERT_EQUAL( "really", wxString(start, end) );
+
+    // test if creating string from NULL C pointer works:
+    CPPUNIT_ASSERT_EQUAL( "", wxString((const char *)NULL) );
+}

 
 

-    TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
-    TEST_CTOR((_T("Hello"), 4), _T("Hell"));
-    TEST_CTOR((_T("Hello"), 5), _T("Hello"));
+void StringTestCase::StaticConstructors()
+{
+    CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("") );
+    CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("Hello", 0) );
+    CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
+    CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
+    CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello") );
+
+    // FIXME: this doesn't work currently but should!
+    //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromAscii("", 1).length() );

 
 

-    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"));
-}

 
 

+    CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("") );
+    CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("Hello", 0) );
+    CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
+    CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
+    CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello") );
+
+    //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromUTF8("", 1).length() );
+}

 
 void StringTestCase::Extraction()
 {
 
 void StringTestCase::Extraction()
 {


@@ -177,12 +221,20 @@ void StringTestCase::Extraction()
     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 
     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 

+#if wxUSE_UNICODE
+    static const char *germanUTF8 = "Oberfl\303\244che";
+    wxString strUnicode(wxString::FromUTF8(germanUTF8));
+
+    CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode );
+    CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" );
+#endif // wxUSE_UNICODE
+

     wxString rest;
 
     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
         if ( result )                                                         \
     wxString rest;
 
     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
         if ( result )                                                         \

-            CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
+            CPPUNIT_ASSERT_EQUAL(correct_rest, rest)

 
     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 
     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );


@@ -194,10 +246,14 @@ void StringTestCase::Extraction()
 
     #undef TEST_STARTS_WITH
 
 
     #undef TEST_STARTS_WITH
 

+    rest = "Hello world";
+    CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) );
+    CPPUNIT_ASSERT_EQUAL("world", rest);
+

     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
         if ( result )                                                         \
     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
         if ( result )                                                         \

-            CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
+            CPPUNIT_ASSERT_EQUAL(correct_rest, rest)

 
     TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
     TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );
 
     TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
     TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );


@@ -248,7 +304,7 @@ void StringTestCase::Replace()
         { \
             wxString s = original; \
             s.replace( pos , len , replacement ); \
         { \
             wxString s = original; \
             s.replace( pos , len , replacement ); \

-            CPPUNIT_ASSERT( s == result ); \
+            CPPUNIT_ASSERT_EQUAL( result, s ); \

         }
 
     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
         }
 
     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );


@@ -257,16 +313,16 @@ void StringTestCase::Replace()
     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 
     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 

-    
+

     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
         { \
             wxString s(o,olen); \
             s.replace( pos , len , replacement ); \
             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
         }
     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
         { \
             wxString s(o,olen); \
             s.replace( pos , len , replacement ); \
             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
         }

-    
-    TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"), 
-                          _T("null\0dhar"), 9 );   
+
+    TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
+                          _T("null\0dhar"), 9 );

 
     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
         { \
 
     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
         { \


@@ -274,12 +330,14 @@ void StringTestCase::Replace()
             s.Replace( olds, news, all ); \
             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
         }
             s.Replace( olds, news, all ); \
             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
         }

-    
+

     TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
     TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,

-                          _T("null\0dehar"), 10 );   
+                          _T("null\0dehar"), 10 );

 
     TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
 
     TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,

-                          _T("null\0char"), 9 );   
+                          _T("null\0char"), 9 );
+
+    TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );

 
     #undef TEST_WXREPLACE
     #undef TEST_NULLCHARREPLACE
 
     #undef TEST_WXREPLACE
     #undef TEST_NULLCHARREPLACE


@@ -314,30 +372,26 @@ void StringTestCase::CaseChanges()
     wxString s1l(s1);
     s1u.MakeUpper();
     s1l.MakeLower();
     wxString s1l(s1);
     s1u.MakeUpper();
     s1l.MakeLower();

+
+    CPPUNIT_ASSERT_EQUAL( _T("HELLO!"), s1u );
+    CPPUNIT_ASSERT_EQUAL( _T("hello!"), s1l );
+

     wxString s2u, s2l;
     s2u.MakeUpper();
     s2l.MakeLower();
 
     wxString s2u, s2l;
     s2u.MakeUpper();
     s2l.MakeLower();
 

-    CPPUNIT_ASSERT( s1u == _T("HELLO!") );
-    CPPUNIT_ASSERT( s1l == _T("hello!") );
-    CPPUNIT_ASSERT( s2u == wxEmptyString );
-    CPPUNIT_ASSERT( s2l == wxEmptyString );
+    CPPUNIT_ASSERT_EQUAL( "", s2u );
+    CPPUNIT_ASSERT_EQUAL( "", s2l );

 
 

-#if !wxUSE_UNICODE
-    wxLocale locRu(wxLANGUAGE_RUSSIAN, 0 /* flags */);
-    if ( locRu.IsOk() )
-    {
-        // try upper casing 8bit strings
-        const wchar_t capital_ya[] = { 0x42f, 0 },
-                      small_ya[]   = { 0x44f, 0 };

 
 

-        wxString sUpper(wxConvLibc.cWC2MB(capital_ya)),
-                 sLower(wxConvLibc.cWC2MB(small_ya));
+    wxString s3("good bye");
+    CPPUNIT_ASSERT_EQUAL( "Good bye", s3.Capitalize() );
+    s3.MakeCapitalized();
+    CPPUNIT_ASSERT_EQUAL( "Good bye", s3 );

 
 

-        CPPUNIT_ASSERT( sUpper.Lower() == sLower );
-        CPPUNIT_ASSERT( sLower.Upper() == sUpper );
-    }
-#endif // !wxUSE_UNICODE
+    CPPUNIT_ASSERT_EQUAL( "Abc", wxString("ABC").Capitalize() );
+
+    CPPUNIT_ASSERT_EQUAL( "", wxString().Capitalize() );

 }
 
 void StringTestCase::Compare()
 }
 
 void StringTestCase::Compare()


@@ -355,6 +409,26 @@ void StringTestCase::Compare()
     CPPUNIT_ASSERT( s1 != neq3 );
     CPPUNIT_ASSERT( s1 != neq4 );
 
     CPPUNIT_ASSERT( s1 != neq3 );
     CPPUNIT_ASSERT( s1 != neq4 );
 

+    CPPUNIT_ASSERT( s1 == wxT("AHH") );
+    CPPUNIT_ASSERT( s1 != wxT("no") );
+    CPPUNIT_ASSERT( s1 < wxT("AZ") );
+    CPPUNIT_ASSERT( s1 <= wxT("AZ") );
+    CPPUNIT_ASSERT( s1 <= wxT("AHH") );
+    CPPUNIT_ASSERT( s1 > wxT("AA") );
+    CPPUNIT_ASSERT( s1 >= wxT("AA") );
+    CPPUNIT_ASSERT( s1 >= wxT("AHH") );
+
+    // test comparison with C strings in Unicode build (must work in ANSI as
+    // well, of course):
+    CPPUNIT_ASSERT( s1 == "AHH" );
+    CPPUNIT_ASSERT( s1 != "no" );
+    CPPUNIT_ASSERT( s1 < "AZ" );
+    CPPUNIT_ASSERT( s1 <= "AZ" );
+    CPPUNIT_ASSERT( s1 <= "AHH" );
+    CPPUNIT_ASSERT( s1 > "AA" );
+    CPPUNIT_ASSERT( s1 >= "AA" );
+    CPPUNIT_ASSERT( s1 >= "AHH" );
+

 //    wxString _s1 = wxT("A\0HH");
 //    wxString _eq = wxT("A\0HH");
 //    wxString _neq1 = wxT("H\0AH");
 //    wxString _s1 = wxT("A\0HH");
 //    wxString _eq = wxT("A\0HH");
 //    wxString _neq1 = wxT("H\0AH");


@@ -457,7 +531,7 @@ enum
     Number_Unsigned = 2,    // if not specified, works for signed conversion
     Number_Signed   = 4,    // if not specified, works for unsigned
     Number_LongLong = 8,    // only for long long tests
     Number_Unsigned = 2,    // if not specified, works for signed conversion
     Number_Signed   = 4,    // if not specified, works for unsigned
     Number_LongLong = 8,    // only for long long tests

-    Number_Long     = 16,   // only for long tests
+    Number_Long     = 16    // only for long tests

 };
 
 static const struct ToLongData
 };
 
 static const struct ToLongData


@@ -593,7 +667,7 @@ void StringTestCase::ToDouble()
 
     // we need to use decimal point, not comma or whatever is its value for the
     // current locale
 
     // we need to use decimal point, not comma or whatever is its value for the
     // current locale

-    wxSetlocale(LC_ALL, _T("C"));
+    wxSetlocale(LC_ALL, "C");

 
     size_t n;
     for ( n = 0; n < WXSIZEOF(doubleData); n++ )
 
     size_t n;
     for ( n = 0; n < WXSIZEOF(doubleData); n++ )


@@ -605,28 +679,188 @@ void StringTestCase::ToDouble()
     }
 }
 
     }
 }
 

-void StringTestCase::WriteBuf()
+void StringTestCase::StringBuf()

 {
 {

+    // check that buffer can be used to write into the string

     wxString s;
     wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
 
     wxString s;
     wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
 

-    CPPUNIT_ASSERT_EQUAL(_T('f'), s[0u]);
-    CPPUNIT_ASSERT_EQUAL(_T('o'), s[1]);
-    CPPUNIT_ASSERT_EQUAL(_T('o'), s[2]);
-    CPPUNIT_ASSERT_EQUAL((size_t)3, s.length());
+    CPPUNIT_ASSERT_EQUAL(3, s.length());
+    CPPUNIT_ASSERT(_T('f') == s[0u]);
+    CPPUNIT_ASSERT(_T('o') == s[1]);
+    CPPUNIT_ASSERT(_T('o') == s[2]);

 
     {
 
     {

-        wxChar *p = s.GetWriteBuf(10);
-        wxStrcpy(p, _T("barrbaz"));
-        s.UngetWriteBuf(4);
+        // also check that the buffer initially contains the original string
+        // contents
+        wxStringBuffer buf(s, 10);
+        CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
+        CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
+        CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
+        CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
+    }

 
 

-        CPPUNIT_ASSERT_EQUAL(_T('b'), s[0u]);
-        CPPUNIT_ASSERT_EQUAL(_T('a'), s[1]);
-        CPPUNIT_ASSERT_EQUAL(_T('r'), s[2]);
-        CPPUNIT_ASSERT_EQUAL(_T('r'), s[3]);
-        CPPUNIT_ASSERT_EQUAL((size_t)4, s.length());
+    {
+        wxStringBufferLength buf(s, 10);
+        CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
+        CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
+        CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
+        CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
+
+        // and check that it can be used to write only the specified number of
+        // characters to the string
+        wxStrcpy(buf, _T("barrbaz"));
+        buf.SetLength(4);
+    }

 
 

-        CPPUNIT_ASSERT_EQUAL( 0, wxStrcmp(_T("barr"), s) );
+    CPPUNIT_ASSERT_EQUAL(4, s.length());
+    CPPUNIT_ASSERT(_T('b') == s[0u]);
+    CPPUNIT_ASSERT(_T('a') == s[1]);
+    CPPUNIT_ASSERT(_T('r') == s[2]);
+    CPPUNIT_ASSERT(_T('r') == s[3]);
+
+    // check that creating buffer of length smaller than string works, i.e. at
+    // least doesn't crash (it would if we naively copied the entire original
+    // string contents in the buffer)
+    *wxStringBuffer(s, 1) = '!';
+}
+
+void StringTestCase::UTF8Buf()
+{
+#if wxUSE_UNICODE
+    // "czech" in Czech ("cestina"):
+    static const char *textUTF8 = "\304\215e\305\241tina";
+    static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
+
+    wxString s;
+    wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8);
+    CPPUNIT_ASSERT(s == textUTF16);
+
+    {
+        wxUTF8StringBufferLength buf(s, 20);
+        wxStrcpy(buf, textUTF8);
+        buf.SetLength(5);

     }
     }

+    CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3));
+#endif // wxUSE_UNICODE
+}
+
+
+
+void StringTestCase::CStrDataTernaryOperator()
+{
+    DoCStrDataTernaryOperator(true);
+    DoCStrDataTernaryOperator(false);
+}
+
+template<typename T> bool CheckStr(const wxString& expected, T s)
+{
+    return expected == wxString(s);
+}
+
+void StringTestCase::DoCStrDataTernaryOperator(bool cond)
+{
+    // test compilation of wxCStrData when used with operator?: (the asserts
+    // are not very important, we're testing if the code compiles at all):
+
+    wxString s("foo");
+
+    const wchar_t *wcStr = L"foo";
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
+
+    const char *mbStr = "foo";
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
+    CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
+
+    wxString empty("");
+    CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
+    CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
+}
+
+void StringTestCase::CStrDataOperators()
+{
+    wxString s("hello");
+
+    CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
+    CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
+    CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
+
+    CPPUNIT_ASSERT( *s.c_str() == 'h' );
+    CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
+    CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
+}
+
+bool CheckStrChar(const wxString& expected, char *s)
+    { return CheckStr(expected, s); }
+bool CheckStrWChar(const wxString& expected, wchar_t *s)
+    { return CheckStr(expected, s); }
+bool CheckStrConstChar(const wxString& expected, const char *s)
+    { return CheckStr(expected, s); }
+bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
+    { return CheckStr(expected, s); }
+
+void StringTestCase::CStrDataImplicitConversion()
+{
+    wxString s("foo");
+
+    CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
+    CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
+
+    // implicit conversion of wxString is not available in STL build
+#if !wxUSE_STL
+    CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
+    CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
+#endif
+}
+
+void StringTestCase::ExplicitConversion()
+{
+    wxString s("foo");
+
+    CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
+    CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
+    CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
+
+    CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
+    CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
+    CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
+}
+
+void StringTestCase::IndexedAccess()
+{
+    wxString s("bar");
+    CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
+
+    // this tests for a possible bug in UTF-8 based wxString implementation:
+    // the 3rd character of the underlying byte string is going to change, but
+    // the 3rd character of wxString should remain the same
+    s[0] = L'\xe9';
+    CPPUNIT_ASSERT_EQUAL( 'r', (char)s[2] );
+}
+
+void StringTestCase::BeforeAndAfter()
+{
+    const wxString s(L"letter=\xe9;\xe7a=l\xe0");
+
+    CPPUNIT_ASSERT_EQUAL( "letter", s.BeforeFirst('=') );
+    CPPUNIT_ASSERT_EQUAL( s, s.BeforeFirst('!') );
+    CPPUNIT_ASSERT_EQUAL( L"letter=\xe9", s.BeforeFirst(';') );
+
+    CPPUNIT_ASSERT_EQUAL( L"letter=\xe9;\xe7a", s.BeforeLast('=') );
+    CPPUNIT_ASSERT_EQUAL( "", s.BeforeLast('!') );
+    CPPUNIT_ASSERT_EQUAL( L"letter=\xe9", s.BeforeLast(';') );
+
+    CPPUNIT_ASSERT_EQUAL( L"\xe9;\xe7a=l\xe0", s.AfterFirst('=') );
+    CPPUNIT_ASSERT_EQUAL( "", s.AfterFirst('!') );
+    CPPUNIT_ASSERT_EQUAL( L"\xe7a=l\xe0", s.AfterFirst(';') );
+
+    CPPUNIT_ASSERT_EQUAL( L"l\xe0", s.AfterLast('=') );
+    CPPUNIT_ASSERT_EQUAL( s, s.AfterLast('!') );
+    CPPUNIT_ASSERT_EQUAL( L"\xe7a=l\xe0", s.AfterLast(';') );

 }
 
 }