X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/394579cf6fd79c813687153bc84559c91974c556..09dfa6a0096cb350b1096d8e83fa34e62a80acf0:/tests/strings/strings.cpp

diff --git a/tests/strings/strings.cpp b/tests/strings/strings.cpp
index c62abad45d..85e91dad86 100644
--- a/tests/strings/strings.cpp
+++ b/tests/strings/strings.cpp
@@ -21,8 +21,6 @@
     #include "wx/wx.h"
 #endif // WX_PRECOMP
 
-#include "wx/tokenzr.h"
-
 // ----------------------------------------------------------------------------
 // test class
 // ----------------------------------------------------------------------------
@@ -38,51 +36,46 @@ private:
         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( Trim );
         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( Contains );
+        CPPUNIT_TEST( ToLong );
+        CPPUNIT_TEST( ToULong );
+#ifdef wxLongLong_t
+        CPPUNIT_TEST( ToLongLong );
+        CPPUNIT_TEST( ToULongLong );
+#endif // wxLongLong_t
+        CPPUNIT_TEST( ToDouble );
+        CPPUNIT_TEST( WriteBuf );
     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 Trim();
     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
+    void Contains();
+    void ToLong();
+    void ToULong();
+#ifdef wxLongLong_t
+    void ToLongLong();
+    void ToULongLong();
+#endif // wxLongLong_t
+    void ToDouble();
+    void WriteBuf();
 
     DECLARE_NO_COPY_CLASS(StringTestCase)
 };
@@ -142,6 +135,15 @@ void StringTestCase::Format()
     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()) );
+
+    static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
+    for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
+    {
+        const size_t len = lengths[n];
+
+        wxString s(_T('Z'), len);
+        CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length());
+    }
 }
 
 void StringTestCase::Constructors()
@@ -162,166 +164,6 @@ void StringTestCase::Constructors()
     TEST_CTOR((start, end), _T("really"));
 }
 
-#if wxUSE_WCHAR_T
-void StringTestCase::ConstructorsWithConversion()
-{
-    // the string "Déjà" in UTF-8 and wchar_t:
-    const unsigned char utf8Buf[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
-    const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
-    const unsigned char utf8subBuf[] = {0x44,0xC3,0xA9,0x6A,0}; // just "Déj"
-    const char *utf8 = (char *)utf8Buf;
-    const char *utf8sub = (char *)utf8subBuf;
-
-    wxString s1(utf8, wxConvUTF8);
-    wxString s2(wchar, wxConvUTF8);
-
-#if wxUSE_UNICODE
-    CPPUNIT_ASSERT( s1 == wchar );
-    CPPUNIT_ASSERT( s2 == wchar );
-#else
-    CPPUNIT_ASSERT( s1 == utf8 );
-    CPPUNIT_ASSERT( s2 == utf8 );
-#endif
-
-    wxString sub(utf8sub, wxConvUTF8); // "Dej" substring
-    wxString s3(utf8, wxConvUTF8, 4);
-    wxString s4(wchar, wxConvUTF8, 3);
-
-    CPPUNIT_ASSERT( s3 == sub );
-    CPPUNIT_ASSERT( s4 == sub );
-
-#if wxUSE_UNICODE
-    CPPUNIT_ASSERT ( wxString("\t[pl]open.format.Sformatuj dyskietkê=gfloppy %f", 
-                               wxConvUTF8) == wxT("") ); //should stop at pos 35 
-#endif
-}
-
-void StringTestCase::Conversion()
-{
-#if wxUSE_UNICODE
-        wxString szTheString(L"The\0String", wxConvLibc, 10);
-        wxCharBuffer theBuffer = szTheString.mb_str();
-
-        CPPUNIT_ASSERT( memcmp(theBuffer.data(), "The\0String", 11) == 0 );
-
-        wxString szTheString2("The\0String", wxConvLocal, 10);
-        CPPUNIT_ASSERT( szTheString2.length() == 11 );
-        CPPUNIT_ASSERT( wxTmemcmp(szTheString2.c_str(), L"The\0String", 11) == 0 );
-#else
-        wxString szTheString(wxT("TheString"));
-        szTheString.insert(3, 1, '\0');
-        wxWCharBuffer theBuffer = szTheString.wc_str(wxConvLibc);
-
-        CPPUNIT_ASSERT( memcmp(theBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
-
-        wxString szLocalTheString(wxT("TheString"));
-        szLocalTheString.insert(3, 1, '\0');
-        wxWCharBuffer theLocalBuffer = szLocalTheString.wc_str(wxConvLocal);
-
-        CPPUNIT_ASSERT( memcmp(theLocalBuffer.data(), L"The\0String", 11 * sizeof(wchar_t)) == 0 );
-#endif
-}
-
-// in case wcscmp is missing
-//
-static int wx_wcscmp(const wchar_t *s1, const wchar_t *s2)
-{
-    for (;;) {
-        if (*s1 != *s2)
-            return *s1 - *s2;
-        if (*s1 == 0)
-            break;
-        s1++;
-        s2++;
-    }
-    return 0;
-}
-
-void
-StringTestCase::DoTestConversion(const char *s,
-                                 const wchar_t *ws,
-                                 wxCSConv& conv)
-{
-#if wxUSE_UNICODE
-    if ( ws )
-    {
-        wxCharBuffer buf(wxString(ws).mb_str(conv));
-
-        CPPUNIT_ASSERT( strcmp(buf, s) == 0 );
-    }
-#else // wxUSE_UNICODE
-    if ( s )
-    {
-        wxWCharBuffer wbuf(wxString(s).wc_str(conv));
-
-        if ( ws )
-            CPPUNIT_ASSERT( wx_wcscmp(wbuf, ws) == 0 );
-        else
-            CPPUNIT_ASSERT( !*wbuf );
-    }
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
-}
-
-struct StringConversionData
-{
-    const char *str;
-    const wchar_t *wcs;
-};
-
-void StringTestCase::ConversionUTF7()
-{
-    static const StringConversionData utf7data[] =
-    {
-        { "+-", L"+" },
-        { "+--", L"+-" },
-        //\u isn't recognized on MSVC 6
-#if !defined(_MSC_VER)
-#if !defined(__GNUC__) || (__GNUC__ >= 3)
-        { "+AKM-", L"\u00a3" },
-#endif
-#endif
-        // Windows accepts invalid UTF-7 strings and so does our UTF-7
-        // conversion code -- this is wrong IMO but the way it is for now
-        //
-        // notice that converting "+" still behaves as expected because the
-        // result is just an empty string, i.e. the same as if there were an
-        // error, but converting "a+" results in "a" while it really should
-        // fail
-        { "+", NULL },
-        { "a+", L"a" },
-    };
-
-    wxCSConv conv(_T("utf-7"));
-    for ( size_t n = 0; n < WXSIZEOF(utf7data); n++ )
-    {
-        const StringConversionData& d = utf7data[n];
-        DoTestConversion(d.str, d.wcs, conv);
-    }
-}
-
-void StringTestCase::ConversionUTF8()
-{
-    static const StringConversionData utf8data[] =
-    {
-        //\u isn't recognized on MSVC 6
-#if !defined(_MSC_VER)
-#if !defined(__GNUC__) || (__GNUC__ >= 3)
-        { "\xc2\xa3", L"\u00a3" },
-#endif
-#endif
-        { "\xc2", NULL },
-    };
-
-    wxCSConv conv(_T("utf-8"));
-    for ( size_t n = 0; n < WXSIZEOF(utf8data); n++ )
-    {
-        const StringConversionData& d = utf8data[n];
-        DoTestConversion(d.str, d.wcs, conv);
-    }
-}
-
-#endif // wxUSE_WCHAR_T
-
 
 void StringTestCase::Extraction()
 {
@@ -337,11 +179,10 @@ void StringTestCase::Extraction()
 
     wxString rest;
 
-    #define TEST_STARTS_WITH( prefix , correct_rest, result ) \
-        CPPUNIT_ASSERT( \
-            ( s.StartsWith( prefix, &rest ) == result ) && \
-            ( ( result == false ) || ( wxStrcmp( correct_rest , rest ) == 0 ) ) \
-        )
+    #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)
 
     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
@@ -352,110 +193,53 @@ void StringTestCase::Extraction()
     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 
     #undef TEST_STARTS_WITH
-}
 
-void StringTestCase::Find()
-{
-    #define TEST_FIND( str , start , result )  \
-        CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
-
-    TEST_FIND( _T("Well, hello world"),  0, 1              );
-    TEST_FIND( _T("Well, hello world"),  6, 7              );
-    TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
-
-    #undef TEST_FIND
+    #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)
+
+    TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
+    TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );
+    TEST_ENDS_WITH( _T(", world!"),         _T("Hello"),         true  );
+    TEST_ENDS_WITH( _T("ello, world!"),     _T("H"),             true  );
+    TEST_ENDS_WITH( _T("Hello, world!"),    _T(""),              true  );
+    TEST_ENDS_WITH( _T("very long string"), _T(""),              false );
+    TEST_ENDS_WITH( _T("?"),                _T(""),              false );
+    TEST_ENDS_WITH( _T("Hello, world"),     _T(""),              false );
+    TEST_ENDS_WITH( _T("Gello, world!"),    _T(""),              false );
+
+    #undef TEST_ENDS_WITH
 }
 
-void StringTestCase::SingleTokenizerTest( wxChar *str, wxChar *delims, size_t count , wxStringTokenizerMode mode )
+void StringTestCase::Trim()
 {
-    wxStringTokenizer tkz( str, delims, mode);
-    CPPUNIT_ASSERT( tkz.CountTokens() == count );
+    #define TEST_TRIM( str , dir , result )  \
+        CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
 
-    wxChar *buf, *s = NULL, *last;
+    TEST_TRIM( _T("  Test  "),  true, _T("  Test") );
+    TEST_TRIM( _T("    "),      true, _T("")       );
+    TEST_TRIM( _T(" "),         true, _T("")       );
+    TEST_TRIM( _T(""),          true, _T("")       );
 
-    if ( tkz.GetMode() == wxTOKEN_STRTOK )
-    {
-        buf = new wxChar[wxStrlen(str) + 1];
-        wxStrcpy(buf, str);
-        s = wxStrtok(buf, delims, &last);
-    }
-    else
-    {
-        buf = NULL;
-    }
-
-    size_t count2 = 0;
-    while ( tkz.HasMoreTokens() )
-    {
-        wxString token = tkz.GetNextToken();
-        if ( buf )
-        {
-            CPPUNIT_ASSERT( token == s );
-            s = wxStrtok(NULL, delims, &last);
-        }
-        count2++;
-    }
+    TEST_TRIM( _T("  Test  "),  false, _T("Test  ") );
+    TEST_TRIM( _T("    "),      false, _T("")       );
+    TEST_TRIM( _T(" "),         false, _T("")       );
+    TEST_TRIM( _T(""),          false, _T("")       );
 
-    CPPUNIT_ASSERT( count2 == count );
-    if ( buf )
-    {
-        delete [] buf;
-    }
-}
-
-void StringTestCase::Tokenizer()
-{
-    SingleTokenizerTest( _T(""),                                           _T(" "),              0, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("Hello, world"),                               _T(" "),              2, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("Hello,   world  "),                           _T(" "),              2, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("Hello, world"),                               _T(","),              2, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             2, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("Hello,, world!"),                             _T(",!"),             3, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("Hello, world!"),                              _T(",!"),             3, wxTOKEN_RET_EMPTY_ALL );
-    SingleTokenizerTest( _T("username:password:uid:gid:gecos:home:shell"), _T(":"),              7, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 4, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 6, wxTOKEN_RET_EMPTY     );
-    SingleTokenizerTest( _T("1 \t3\t4  6   "),                             wxDEFAULT_DELIMITERS, 9, wxTOKEN_RET_EMPTY_ALL );
-    SingleTokenizerTest( _T("01/02/99"),                                   _T("/-"),             3, wxTOKEN_DEFAULT       );
-    SingleTokenizerTest( _T("01-02/99"),                                   _T("/-"),             3, wxTOKEN_RET_DELIMS    );
+    #undef TEST_TRIM
 }
 
-// call this with the string to tokenize, delimeters to use and the expected
-// positions (i.e. results of GetPosition()) after each GetNextToken() call,
-// terminate positions with 0
-static void DoTokenizerGetPosition(const wxChar *s, 
-                                   const wxChar *delims, int pos, ...)
+void StringTestCase::Find()
 {
-    wxStringTokenizer tkz(s, delims);
-
-    CPPUNIT_ASSERT( tkz.GetPosition() == 0 );
-
-    va_list ap;
-    va_start(ap, pos);
-
-    for ( ;; )
-    {
-        if ( !pos )
-        {
-            CPPUNIT_ASSERT( !tkz.HasMoreTokens() );
-            break;
-        }
-
-        tkz.GetNextToken();
-
-        CPPUNIT_ASSERT( tkz.GetPosition() == (size_t)pos );
-
-        pos = va_arg(ap, int);
-    }
+    #define TEST_FIND( str , start , result )  \
+        CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 
-    va_end(ap);
-}
+    TEST_FIND( _T("Well, hello world"),  0, 1              );
+    TEST_FIND( _T("Well, hello world"),  6, 7              );
+    TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 
-void StringTestCase::TokenizerGetPosition()
-{
-    DoTokenizerGetPosition(_T("foo"), _T("_"), 3, 0);
-    DoTokenizerGetPosition(_T("foo_bar"), _T("_"), 4, 7, 0);
-    DoTokenizerGetPosition(_T("foo_bar_"), _T("_"), 4, 8, 0);
+    #undef TEST_FIND
 }
 
 void StringTestCase::Replace()
@@ -544,8 +328,11 @@ void StringTestCase::CaseChanges()
     if ( locRu.IsOk() )
     {
         // try upper casing 8bit strings
-        wxString sUpper("\xdf"),
-                 sLower("\xff");
+        const wchar_t capital_ya[] = { 0x42f, 0 },
+                      small_ya[]   = { 0x44f, 0 };
+
+        wxString sUpper(wxConvLibc.cWC2MB(capital_ya)),
+                 sLower(wxConvLibc.cWC2MB(small_ya));
 
         CPPUNIT_ASSERT( sUpper.Lower() == sLower );
         CPPUNIT_ASSERT( sLower.Upper() == sUpper );
@@ -635,3 +422,211 @@ void StringTestCase::CompareNoCase()
     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 }
 
+void StringTestCase::Contains()
+{
+    static const struct ContainsData
+    {
+        const wxChar *hay;
+        const wxChar *needle;
+        bool contains;
+    } containsData[] =
+    {
+        { _T(""),       _T(""),         true  },
+        { _T(""),       _T("foo"),      false },
+        { _T("foo"),    _T(""),         true  },
+        { _T("foo"),    _T("f"),        true  },
+        { _T("foo"),    _T("o"),        true  },
+        { _T("foo"),    _T("oo"),       true  },
+        { _T("foo"),    _T("ooo"),      false },
+        { _T("foo"),    _T("oooo"),     false },
+        { _T("foo"),    _T("fooo"),     false },
+    };
+
+    for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
+    {
+        const ContainsData& cd = containsData[n];
+        CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
+    }
+}
+
+// flags used in ToLongData.flags
+enum
+{
+    Number_Ok       = 0,
+    Number_Invalid  = 1,
+    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
+};
+
+static const struct ToLongData
+{
+    const wxChar *str;
+#ifdef wxLongLong_t
+    wxLongLong_t value;
+#else
+    long value;
+#endif // wxLongLong_t
+    int flags;
+
+    long LValue() const { return value; }
+    unsigned long ULValue() const { return value; }
+#ifdef wxLongLong_t
+    wxLongLong_t LLValue() const { return value; }
+    wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
+#endif // wxLongLong_t
+
+    bool IsOk() const { return !(flags & Number_Invalid); }
+} longData[] =
+{
+    { _T("1"), 1, Number_Ok },
+    { _T("0"), 0, Number_Ok },
+    { _T("a"), 0, Number_Invalid },
+    { _T("12345"), 12345, Number_Ok },
+    { _T("--1"), 0, Number_Invalid },
+
+    { _T("-1"), -1, Number_Signed | Number_Long },
+    // this is surprizing but consistent with strtoul() behaviour
+    { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
+
+    // this must overflow, even with 64 bit long
+    { _T("922337203685477580711"), 0, Number_Invalid },
+
+#ifdef wxLongLong_t
+    { _T("2147483648"), wxLL(2147483648), Number_LongLong },
+    { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
+    { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
+                                                             Number_Unsigned },
+#endif // wxLongLong_t
+};
+
+void StringTestCase::ToLong()
+{
+    long l;
+    for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
+    {
+        const ToLongData& ld = longData[n];
+
+        if ( ld.flags & (Number_LongLong | Number_Unsigned) )
+            continue;
+
+        CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) );
+        if ( ld.IsOk() )
+            CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
+    }
+}
+
+void StringTestCase::ToULong()
+{
+    unsigned long ul;
+    for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
+    {
+        const ToLongData& ld = longData[n];
+
+        if ( ld.flags & (Number_LongLong | Number_Signed) )
+            continue;
+
+        CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) );
+        if ( ld.IsOk() )
+            CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
+    }
+}
+
+#ifdef wxLongLong_t
+
+void StringTestCase::ToLongLong()
+{
+    wxLongLong_t l;
+    for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
+    {
+        const ToLongData& ld = longData[n];
+
+        if ( ld.flags & (Number_Long | Number_Unsigned) )
+            continue;
+
+        CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) );
+        if ( ld.IsOk() )
+            CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
+    }
+}
+
+void StringTestCase::ToULongLong()
+{
+    wxULongLong_t ul;
+    for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
+    {
+        const ToLongData& ld = longData[n];
+
+        if ( ld.flags & (Number_Long | Number_Signed) )
+            continue;
+
+        CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) );
+        if ( ld.IsOk() )
+            CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
+    }
+}
+
+#endif // wxLongLong_t
+
+void StringTestCase::ToDouble()
+{
+    double d;
+    static const struct ToDoubleData
+    {
+        const wxChar *str;
+        double value;
+        bool ok;
+    } doubleData[] =
+    {
+        { _T("1"), 1, true },
+        { _T("1.23"), 1.23, true },
+        { _T(".1"), .1, true },
+        { _T("1."), 1, true },
+        { _T("1.."), 0, false },
+        { _T("0"), 0, true },
+        { _T("a"), 0, false },
+        { _T("12345"), 12345, true },
+        { _T("-1"), -1, true },
+        { _T("--1"), 0, false },
+    };
+
+    // we need to use decimal point, not comma or whatever is its value for the
+    // current locale
+    wxSetlocale(LC_ALL, _T("C"));
+
+    size_t n;
+    for ( n = 0; n < WXSIZEOF(doubleData); n++ )
+    {
+        const ToDoubleData& ld = doubleData[n];
+        CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
+        if ( ld.ok )
+            CPPUNIT_ASSERT_EQUAL( ld.value, d );
+    }
+}
+
+void StringTestCase::WriteBuf()
+{
+    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(3u, s.length());
+
+    {
+        wxChar *p = s.GetWriteBuf(10);
+        wxStrcpy(p, _T("barrbaz"));
+        s.UngetWriteBuf(4);
+
+        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(4u, s.length());
+
+        CPPUNIT_ASSERT_EQUAL( 0, wxStrcmp(_T("barr"), s) );
+    }
+}
+