libstdc++-v3/testsuite/experimental/string_view/inserters/pod/10081-out.cc

   1 // { dg-do run { target c++14 } }
   2
   3 // Copyright (C) 2013-2023 Free Software Foundation, Inc.
   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 3, 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 COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // class basic_istream::sentry
  21
  22 #include <experimental/string_view>
  23 #include <ostream>
  24 #include <sstream>
  25 #include <locale>
  26 #include <typeinfo>
  27 #include <testsuite_hooks.h>
  28 #include <testsuite_character.h>
  29
  30 void
  31 test01()
  32 {
  33   using namespace std;
  34
  35   using __gnu_test::pod_ushort;
  36   typedef experimental::basic_string_view<pod_ushort>   string_type;
  37   typedef basic_stringbuf<pod_ushort>   stringbuf_type;
  38   typedef basic_ostream<pod_ushort>     ostream_type;
  39
  40   string_type str;
  41   stringbuf_type strbuf01;
  42   ostream_type stream(&strbuf01);
  43
  44   try
  45     {
  46       stream << str;
  47     }
  48   catch (std::bad_cast& obj)
  49     {
  50       // Ok, throws bad_cast because locale has no ctype facet.
  51     }
  52   catch (...)
  53     {
  54       VERIFY( false );
  55     }
  56
  57   const std::locale loc(std::locale::classic(), new std::ctype<pod_ushort>);
  58   stream.imbue(loc);
  59   try
  60     {
  61       stream << str;
  62     }
  63   catch (...)
  64     {
  65       VERIFY( false );
  66     }
  67 }
  68
  69 int
  70 main()
  71 {
  72   test01();
  73
  74   return 0;
  75 }