libstdc++-v3/testsuite/22_locale/locale/cons/unicode.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-iconv "ISO-8859-1" }
   3
   4 // Copyright (C) 2006-2024 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // 22.1.1.2 locale constructors and destructors [lib.locale.cons]
  22
  23 #include <cwchar> // for mbstate_t
  24 #include <locale>
  25 #include <stdexcept>
  26 #include <typeinfo>
  27 #include <testsuite_hooks.h>
  28 #include <ext/codecvt_specializations.h>
  29
  30 typedef std::codecvt<char, char, std::mbstate_t>              c_codecvt;
  31
  32 #ifdef _GLIBCXX_USE_WCHAR_T
  33 typedef std::codecvt<wchar_t, char, std::mbstate_t>           w_codecvt;
  34 #endif
  35
  36 typedef std::codecvt<char16_t, char, std::mbstate_t>          u16_codecvt;
  37 typedef std::codecvt<char32_t, char, std::mbstate_t>          u32_codecvt;
  38 #ifdef _GLIBCXX_USE_CHAR8_T
  39 typedef std::codecvt<char16_t, char8_t, std::mbstate_t>       u16u8_codecvt;
  40 typedef std::codecvt<char32_t, char8_t, std::mbstate_t>       u32u8_codecvt;
  41 #endif
  42
  43 class gnu_facet: public std::locale::facet
  44 {
  45 public:
  46   static std::locale::id id;
  47 };
  48
  49 std::locale::id gnu_facet::id;
  50
  51 void test01()
  52 {
  53   using namespace std;
  54   typedef unsigned short                                int_type;
  55   typedef char                                          ext_type;
  56   typedef __gnu_cxx::encoding_state                     state_type;
  57   typedef codecvt<int_type, ext_type, state_type>       unicode_codecvt;
  58
  59   // unicode_codecvt
  60   locale loc01(locale::classic());
  61   locale loc13(locale::classic(), new unicode_codecvt);
  62   VERIFY( loc01 != loc13 );
  63   VERIFY( loc13.name() == "*" );
  64   try
  65     {
  66       VERIFY( has_facet<c_codecvt>(loc13) );
  67 #ifdef _GLIBCXX_USE_WCHAR_T
  68       VERIFY( has_facet<w_codecvt>(loc13) );
  69 #endif
  70       VERIFY( has_facet<u16_codecvt>(loc13) );
  71       VERIFY( has_facet<u32_codecvt>(loc13) );
  72 #ifdef _GLIBCXX_USE_CHAR8_T
  73       VERIFY( has_facet<u16u8_codecvt>(loc13) );
  74       VERIFY( has_facet<u32u8_codecvt>(loc13) );
  75 #endif
  76       VERIFY( has_facet<unicode_codecvt>(loc13) );
  77     }
  78   catch(...)
  79     { VERIFY( false ); }
  80
  81   try
  82     { (void) use_facet<gnu_facet>(loc13); }
  83   catch(bad_cast& obj)
  84     { VERIFY( true ); }
  85   catch(...)
  86     { VERIFY( false ); }
  87 }
  88
  89 int main()
  90 {
  91   test01();
  92   return 0;
  93 }