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// 2001-06-05 Benjamin Kosnik  <bkoz@redhat.com>

// Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING.  If not, write to the Free

// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

// USA.

// As a special exception, you may use this file as part of a free software

// library without restriction.  Specifically, if other files instantiate

// templates or use macros or inline functions from this file, or you compile

// this file and link it with other files to produce an executable, this

// file does not by itself cause the resulting executable to be covered by

// the GNU General Public License.  This exception does not however

// invalidate any other reasons why the executable file might be covered by

// the GNU General Public License.

// 27.4.2.1.6 class ios_base::init

#include <sstream>

#include <testsuite_hooks.h>

// char_traits specialization

namespace std

{

  template<>

    struct char_traits<unsigned short>

    {

      typedef unsigned short    char_type;

      // Unsigned as wint_t in unsigned.

      typedef unsigned long     int_type;

      typedef streampos         pos_type;

      typedef streamoff         off_type;

      typedef mbstate_t         state_type;

      static void

      assign(char_type& __c1, const char_type& __c2)

      { __c1 = __c2; }

      static bool

      eq(const char_type& __c1, const char_type& __c2)

      { return __c1 == __c2; }

      static bool

      lt(const char_type& __c1, const char_type& __c2)

      { return __c1 < __c2; }

      static int

      compare(const char_type* __s1, const char_type* __s2, size_t __n)

      {

        for (size_t __i = 0; __i < __n; ++__i)

          if (!eq(__s1[__i], __s2[__i]))

            return lt(__s1[__i], __s2[__i]) ? -1 : 1;

        return 0;

      }

      static size_t

      length(const char_type* __s)

      {

        const char_type* __p = __s;

        while (__p)

          ++__p;

        return (__p - __s);

      }

      static const char_type*

      find(const char_type* __s, size_t __n, const char_type& __a)

      {

        for (const char_type* __p = __s; size_t(__p - __s) < __n; ++__p)

          if (*__p == __a) return __p;

        return 0;

      }

      static char_type*

      move(char_type* __s1, const char_type* __s2, size_t __n)

      { return (char_type*) memmove(__s1, __s2, __n * sizeof(char_type)); }

      static char_type*

      copy(char_type* __s1, const char_type* __s2, size_t __n)

      { return (char_type*) memcpy(__s1, __s2, __n * sizeof(char_type)); }

      static char_type*

      assign(char_type* __s, size_t __n, char_type __a)

      {

        for (char_type* __p = __s; __p < __s + __n; ++__p)

          assign(*__p, __a);

        return __s;

      }

      static char_type

      to_char_type(const int_type&)

      { return char_type(); }

      static int_type

      to_int_type(const char_type&) { return int_type(); }

      static bool

      eq_int_type(const int_type& __c1, const int_type& __c2)

      { return __c1 == __c2; }

      static int_type

      eof() { return static_cast<int_type>(-1); }

      static int_type

      not_eof(const int_type& __c)

      { return eq_int_type(__c, eof()) ? int_type(0) : __c; }

    };

} // namespace std

// Non-required instantiations don't have the required facets inbued,

// by default, into the locale object.

// See 27.4.4.1

void test02()

{

  bool test __attribute__((unused)) = true;

  // 02: Calls basic_ios::init, which may call ctype<char_type>...

  try

    {

      std::basic_string<unsigned short>         str;

      std::basic_ostringstream<unsigned short>  oss(str);

      // Try each member functions for unformatted io.

      // put

      oss.put(324);

      // write

      const unsigned short us[4] = {1246, 433, 520, 0};

      oss.write(us, 4);

      // flush

      oss.flush();

    }

  catch(const std::bad_cast& obj)

    {

      // Should be able to do the above without calling fill() and

      // forcing a call to widen...

      test = false;

    }

  catch(...)

    {

      test = false;

    }

  VERIFY( test );

}

#if !__GXX_WEAK__

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

template

  std::basic_string<unsigned short>::size_type

  std::basic_string<unsigned short>::_Rep::_S_max_size;

template

  unsigned short

  std::basic_string<unsigned short>::_Rep::_S_terminal;

#endif

int main()

{

  test02();

  return 0;

}