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// 1999-10-14 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

// 2009, 2010

// Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

// 27.6.1.1.2 class basic_istream::sentry

#include <ostream>

#include <sstream>

#include <typeinfo>

#include <ext/pod_char_traits.h>

#include <testsuite_hooks.h>

#include <testsuite_character.h>

void test01()

{

  using namespace std;

  using __gnu_test::pod_ushort;

  typedef basic_string<pod_ushort>      string_type;

  typedef basic_stringbuf<pod_ushort>   stringbuf_type;

  typedef basic_ostream<pod_ushort>     ostream_type;

  bool test __attribute__((unused)) = true;

  const string_type str01;

  stringbuf_type* strbuf01 = 0;

  stringbuf_type strbuf02(str01);

  ostream_type ostr01(strbuf01);

  ostream_type ostr02(&strbuf02);

  // test negatives

  try

    {

      ostream_type::sentry sentry01(ostr01);

    }

  catch (std::bad_cast& obj)

    {

      // Not ok, throws bad_cast because locale has no ctype facet,

      // but none is needed for ostream::sentry.

      VERIFY( false );

    }

  catch (...)

    {

      VERIFY( false );

    }

  // imbued.

  const std::locale loc(std::locale::classic(), new std::ctype<pod_ushort>);

  ostr01.imbue(loc);

  try

    {

      ostream_type::sentry sentry01(ostr01);

      VERIFY( bool(sentry01) == false );

    }

  catch (...)

    {

      VERIFY( false );

    }

  // test positive 

  try

    {

      ostream_type::sentry sentry03(ostr02);

    }

  catch (std::bad_cast& obj)

    {

      // Not ok, throws bad_cast because locale has no ctype facet,

      // but none is needed for ostream::sentry.

      VERIFY( false );

    }

  catch (...)

    {

      VERIFY( false );

    }

  // imbued.

  ostr02.clear();

  ostr02.imbue(loc);

  try

    {

      ostream_type::sentry sentry03(ostr02);

      VERIFY( bool(sentry03) == true );

    }

  catch (...)

    {

      VERIFY( false );

    }

}

#if !__GXX_WEAK__

// Explicitly instantiate for systems with no COMDAT or weak support.

template

  const std::basic_string<__gnu_test::pod_ushort>::size_type

  std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_max_size;

template

  const __gnu_test::pod_ushort

  std::basic_string<__gnu_test::pod_ushort>::_Rep::_S_terminal;

#endif

int main()

{

  test01();

  return 0;

}