libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/pod/10081-in.cc

   1 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18
  19 // 27.6.1.1.2 class basic_istream::sentry
  20
  21 #include <string>
  22 #include <istream>
  23 #include <sstream>
  24 #include <locale>
  25 #include <typeinfo>
  26 #include <testsuite_hooks.h>
  27 #include <testsuite_character.h>
  28
  29 void test01()
  30 {
  31   using namespace std;
  32   using __gnu_test::pod_ushort;
  33   typedef basic_string<pod_ushort>      string_type;
  34   typedef basic_stringbuf<pod_ushort>   stringbuf_type;
  35   typedef basic_istream<pod_ushort>     istream_type;
  36
  37   bool test __attribute__((unused)) = true;
  38
  39   string_type str;
  40   stringbuf_type strbuf01;
  41   istream_type stream(&strbuf01);
  42
  43   try
  44     {
  45       stream >> str;
  46     }
  47   catch (std::bad_cast& obj)
  48     {
  49       // Ok, throws bad_cast because locale has no ctype facet.
  50     }
  51   catch (...)
  52     {
  53       VERIFY( false );
  54     }
  55
  56   const std::locale loc(std::locale::classic(), new std::ctype<pod_ushort>);
  57   stream.imbue(loc);
  58   try
  59     {
  60       stream >> str;
  61     }
  62   catch (...)
  63     {
  64       VERIFY( false );
  65     }
  66 }
  67
  68 #if !__GXX_WEAK__
  69 // Explicitly instantiate for systems with no COMDAT or weak support.
  70 template
  71   const std::basic_string<__gnu_test::pod_ushort>::size_type
  72   std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_max_size;
  73
  74 template
  75   const __gnu_test::pod_ushort
  76   std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_terminal;
  77 #endif
  78
  79 int main()
  80 {
  81   test01();
  82   return 0;
  83 }