+#if wxUSE_WCHAR_T
+void StringTestCase::ConstructorsWithConversion()
+{
+ // Déj`a in UTF-8 and wchar_t:
+ const char utf8[] = {0x44,0xC3,0xA9,0x6A,0xC3,0xA0,0};
+ const wchar_t wchar[] = {0x44,0xE9,0x6A,0xE0,0};
+ const char utf8sub[] = {0x44,0xC3,0xA9,0x6A,0}; // "Dej"
+
+ 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 );
+}
+#endif
+