Subversion Repositories openrisc_2011-10-31

// Copyright (C) 2007, 2008, 2009 Free Software Foundation

//

// 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/>.

#include <string>

#include <locale>

#include <testsuite_hooks.h>

// Based on Langer Kreft "Standard C++ IOStreams and Locales" p 316-318

struct base_facet: public std::locale::facet

{

  virtual std::string msg() const

  { return "base class"; }

  static std::locale::id id;

};

std::locale::id base_facet::id;

struct derived_facet: public base_facet

{

  virtual std::string msg() const

  { return "derived class"; }

  virtual std::string msg_repeater() const

  { return "derived class derived class"; }

};

// PR libstdc++/30127

// PR libstdc++/34449

int main()

{

  bool test __attribute__((unused)) = true;

  using std::locale;

  using std::has_facet;

  using std::use_facet;

  locale loc_c = locale::classic();

  locale loc_base(loc_c, new base_facet);

  locale loc_derived(loc_c, new derived_facet);

  // Standard facets.

  VERIFY( has_facet<std::ctype<char> >(loc_c) );

  VERIFY( has_facet<std::ctype<char> >(loc_base) );

  VERIFY( has_facet<std::ctype<char> >(loc_derived) );

  // User defined base facet.

  VERIFY( !has_facet<base_facet>(loc_c) );

  VERIFY( has_facet<base_facet>(loc_base) );

  VERIFY( has_facet<base_facet>(loc_derived) );

  // User defined derived facet.

  VERIFY( !has_facet<derived_facet>(loc_c) );

  VERIFY( !has_facet<derived_facet>(loc_base) );

  VERIFY( has_facet<derived_facet>(loc_derived) );

  // 1

  try

    {

      if (has_facet<derived_facet>(loc_base))

        {

          use_facet<derived_facet>(loc_base).msg_repeater();

          VERIFY( false );

        }

    }

  catch (...)

    {

      // Expect no exception.

      VERIFY( true );

    }

  // 2

  try

    {

      if (has_facet<base_facet>(loc_derived))

        use_facet<base_facet>(loc_derived).msg();

      else

        VERIFY( true );

    }

  catch (...)

    {

      // Expect no exception.

      VERIFY( true );

    }

  return 0;

}