support for fractional characters widths under Mac

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

diff --git a/tests/strings/strings.cpp b/tests/strings/strings.cpp
index bc1c4c00bbc52d9ba82a3111365a22c08424a6c3..c62abad45d30c8f88cca6d62ada880aa619b5d31 100644 (file)
--- a/tests/strings/strings.cpp
+++ b/tests/strings/strings.cpp
@@ -76,6 +76,14 @@ private:
     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)
 };
 
@@ -214,58 +222,102 @@ void StringTestCase::Conversion()
 #endif
 }
 
-void StringTestCase::ConversionUTF7()
+// in case wcscmp is missing
+//
+static int wx_wcscmp(const wchar_t *s1, const wchar_t *s2)
 {
-    const wchar_t data[] = { 0x00A3, 0x00A3, 0x00A3, 0x00A3, 0 }; // pound signs
-
-    //utf7 and utf7alt are equivelent
-    const char *utf7 = "+AKM-+AKM-+AKM-+AKM-";
-    const char *utf7alt = "+AKMAowCjAKM-";
+    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
-    wxString str(data);
-
-    wxCSConv conv(_T("utf-7"));
-
-    wxCharBuffer theBuffer = str.mb_str(conv);
-
-    CPPUNIT_ASSERT( strcmp(theBuffer, utf7) == 0 || strcmp(theBuffer, utf7alt) == 0);
-#else //ANSI
-    wxString str(utf7);
-
-    wxCSConv conv(_T("utf-7"));
-
-    wxWCharBuffer theWBuffer = str.wc_str(conv);
+    if ( ws )
+    {
+        wxCharBuffer buf(wxString(ws).mb_str(conv));
 
-    CPPUNIT_ASSERT( wxWcslen(theWBuffer) == wxWcslen(data) );
-    CPPUNIT_ASSERT( memcmp(theWBuffer, data, wxWcslen(data) * sizeof(wchar_t)) == 0 );
+        CPPUNIT_ASSERT( strcmp(buf, s) == 0 );
+    }
+#else // wxUSE_UNICODE
+    if ( s )
+    {
+        wxWCharBuffer wbuf(wxString(s).wc_str(conv));
 
-    wxString stralt(utf7alt);
+        if ( ws )
+            CPPUNIT_ASSERT( wx_wcscmp(wbuf, ws) == 0 );
+        else
+            CPPUNIT_ASSERT( !*wbuf );
+    }
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+}
 
-    wxWCharBuffer theWBufferAlt = stralt.wc_str(conv);
+struct StringConversionData
+{
+    const char *str;
+    const wchar_t *wcs;
+};
 
-    CPPUNIT_ASSERT( wxWcslen(theWBufferAlt) == wxWcslen(data) );
-    CPPUNIT_ASSERT( memcmp(theWBufferAlt, data, wxWcslen(data) * sizeof(wchar_t)) == 0 );
+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" },
+    };
 
-#endif // wxUSE_UNICODE
+    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()
 {
-    const wchar_t wcs[] = { 0x00A3, 0x00A3, 0x00A3, 0x00A3, 0 }; // pound signs
-    const char *utf8 = "\xc2\xa3\xc2\xa3\xc2\xa3\xc2\xa3";
+    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"));
-
-#if wxUSE_UNICODE
-    wxCharBuffer buf(wxString(wcs).mb_str(conv));
-
-    CPPUNIT_ASSERT( strcmp(buf, utf8) == 0 );
-#else // !wxUSE_UNICODE
-    wxWCharBuffer wbuf(wxString(utf8).wc_str(conv));
-
-    CPPUNIT_ASSERT( wcscmp(wbuf, wcs) == 0 );
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+    for ( size_t n = 0; n < WXSIZEOF(utf8data); n++ )
+    {
+        const StringConversionData& d = utf8data[n];
+        DoTestConversion(d.str, d.wcs, conv);
+    }
 }
 
 #endif // wxUSE_WCHAR_T
@@ -371,8 +423,8 @@ void StringTestCase::Tokenizer()
 // 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, ...)
+static void DoTokenizerGetPosition(const wxChar *s, 
+                                   const wxChar *delims, int pos, ...)
 {
     wxStringTokenizer tkz(s, delims);
 
@@ -421,6 +473,32 @@ void StringTestCase::Replace()
     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) ); \
+        }
+    
+    TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"), 
+                          _T("null\0dhar"), 9 );   
+
+    #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
+        { \
+            wxString s(o,olen); \
+            s.Replace( olds, news, all ); \
+            CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
+        }
+    
+    TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
+                          _T("null\0dehar"), 10 );   
+
+    TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
+                          _T("null\0char"), 9 );   
+
+    #undef TEST_WXREPLACE
+    #undef TEST_NULLCHARREPLACE
     #undef TEST_REPLACE
 }