libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/9322.cc

   1 // { dg-require-namedlocale "en_US" }
   2 // { dg-require-namedlocale "de_DE" }
   3
   4 // 1999-10-11 bkoz
   5
   6 // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2009
   7 // Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24
  25 // 27.5.2 template class basic_streambuf
  26
  27 #include <streambuf>
  28 #include <locale>
  29 #include <testsuite_hooks.h>
  30
  31 class testbuf : public std::wstreambuf
  32 {
  33 public:
  34   typedef std::wstreambuf::traits_type traits_type;
  35
  36   testbuf() : std::wstreambuf() { }
  37 };
  38
  39 // libstdc++/9322
  40 void test08()
  41 {
  42   using std::locale;
  43   bool test __attribute__((unused)) = true;
  44
  45   locale loc;
  46   testbuf ob;
  47   VERIFY( ob.getloc() == loc );
  48
  49   locale::global(locale("en_US"));
  50   VERIFY( ob.getloc() == loc );
  51
  52   locale loc_de = locale("de_DE");
  53   locale ret = ob.pubimbue(loc_de);
  54   VERIFY( ob.getloc() == loc_de );
  55   VERIFY( ret == loc );
  56
  57   locale::global(loc);
  58   VERIFY( ob.getloc() == loc_de );
  59 }
  60
  61 int main()
  62 {
  63   test08();
  64   return 0;
  65 }