libstdc++-v3/testsuite/27_io/basic_ostream/inserters_character/wchar_t/7.cc

   1 // 1999-08-16 bkoz
   2
   3 // Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 27.6.2.5.4 basic_ostream character inserters
  22
  23 #include <string>
  24 #include <ostream>
  25 #include <sstream>
  26 #include <fstream>
  27 #include <testsuite_hooks.h>
  28
  29 // Global counter, needs to be reset after use.
  30 bool used;
  31
  32 class gnu_ctype : public std::ctype<wchar_t>
  33 {
  34 protected:
  35   char_type
  36   do_widen(char c) const
  37   {
  38     used = true;
  39     return std::ctype<wchar_t>::do_widen(c);
  40   }
  41
  42   const char*
  43   do_widen(const char* low, const char* high, char_type* dest) const
  44   {
  45     used = true;
  46     return std::ctype<wchar_t>::do_widen(low, high, dest);
  47   }
  48 };
  49
  50 // 27.6.2.5.4 - Character inserter template functions
  51 // [lib.ostream.inserters.character]
  52 void test07()
  53 {
  54   using namespace std;
  55   bool test __attribute__((unused)) = true;
  56
  57   const char* buffer = "SFPL 5th floor, outside carrol, the Asian side";
  58
  59   wostringstream oss;
  60   oss.imbue(locale(locale::classic(), new gnu_ctype));
  61
  62   // 1
  63   // template<class charT, class traits>
  64   // basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>& out,
  65   //                                           const char* s);
  66   used = false;
  67   oss << buffer;
  68   VERIFY( used ); // Only required for char_type != char
  69   wstring str = oss.str();
  70   wchar_t c1 = oss.widen(buffer[0]);
  71   VERIFY( str[0] == c1 );
  72   wchar_t c2 = oss.widen(buffer[1]);
  73   VERIFY( str[1] == c2 );
  74
  75   // 2
  76   // template<class charT, class traits>
  77   // basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>& out,
  78   //                                         char c);
  79   used = false;
  80   oss.str(wstring());
  81   oss << 'b';
  82   VERIFY( used ); // Only required for char_type != char
  83   str = oss.str();
  84   wchar_t c3 = oss.widen('b');
  85   VERIFY( str[0] == c3 );
  86 }
  87
  88 int main()
  89 {
  90   test07();
  91   return 0;
  92 }