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

   1 // { dg-require-namedlocale "en_US.ISO8859-1" }
   2 // { dg-require-namedlocale "de_DE.ISO8859-15" }
   3
   4 // 1999-10-11 bkoz
   5
   6 // Copyright (C) 1999-2024 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23
  24 // 27.5.2 template class basic_streambuf
  25
  26 #include <streambuf>
  27 #include <locale>
  28 #include <testsuite_hooks.h>
  29
  30 class testbuf : public std::streambuf
  31 {
  32 public:
  33   typedef std::streambuf::traits_type traits_type;
  34
  35   testbuf() : std::streambuf() { }
  36 };
  37
  38 // libstdc++/9322
  39 void test08()
  40 {
  41   using std::locale;
  42
  43   locale loc;
  44   testbuf ob;
  45   VERIFY( ob.getloc() == loc );
  46
  47   locale::global(locale(ISO_8859(1,en_US)));
  48   VERIFY( ob.getloc() == loc );
  49
  50   locale loc_de = locale(ISO_8859(15,de_DE));
  51   locale ret = ob.pubimbue(loc_de);
  52   VERIFY( ob.getloc() == loc_de );
  53   VERIFY( ret == loc );
  54
  55   locale::global(loc);
  56   VERIFY( ob.getloc() == loc_de );
  57 }
  58
  59 int main()
  60 {
  61   test08();
  62   return 0;
  63 }