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// 1999-05-11 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009

// 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/>.

// 21.3.3 string capacity

#include <string>

#include <cstring>

#include <testsuite_hooks.h>

template<typename T>

  struct A { };

template<typename T>

  bool

  operator==(const A<T>&, const A<T>&) { return true; }

template<typename T>

  bool

  operator<(const A<T>&, const A<T>&) { return true; }

struct B { };

// char_traits specialization

namespace std

{

  template<>

    struct char_traits<A<B> >

    {

      typedef A<B>              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

void test01()

{

  bool test __attribute__((unused)) = true;

  // non POD types : resize, capacity, reserve

  std::basic_string< A<B> > str02;

  typedef std::basic_string< A<B> >::size_type size_type_o;

  size_type_o sz03;

  size_type_o sz04;

  sz03 = str02.capacity();

  str02.reserve(100);

  sz04 = str02.capacity();

  VERIFY( sz04 >= sz03 );

  VERIFY( sz04 >= 100 );

  str02.reserve();

  sz03 = str02.capacity();

  VERIFY( sz03 == 0 );

  sz03 = str02.size() + 5;

  str02.resize(sz03);

  sz04 = str02.size();

  VERIFY( sz03 == sz04 );

  sz03 = str02.size() - 5;

  str02.resize(sz03);

  sz04 = str02.size();

  VERIFY( sz03 == sz04 );

  A<B> inst_obj;

  std::basic_string<A<B> > str07(30, inst_obj);

  std::basic_string<A<B> > str08 = str07;

  str07 = str08 + str07;

  VERIFY( str07.capacity() >= str07.size() );

  VERIFY( str08.capacity() >= str08.size() );

  // non-POD types: size, length, max_size, clear(), empty()

  bool b01 = str02.empty();

  VERIFY( b01 == true );

  sz03 = str02.size();

  sz04 = str02.length();

  VERIFY( sz03 == sz04 );

  str02.c_str();

  sz03 = str02.size();

  sz04 = str02.length();

  VERIFY( sz03 == sz04 );

  sz03 = str02.max_size();

  VERIFY( sz03 >= sz04 );

  sz03 = str02.size();

  str02.clear();

  b01 = str02.empty();

  VERIFY( b01 == true );

  sz04 = str02.size();

  VERIFY( sz03 >= sz04 );

}

#if !__GXX_WEAK__

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

template

  const std::basic_string< A<B> >::size_type

  std::basic_string< A<B> >::_Rep::_S_max_size;

template

  const A<B>

  std::basic_string< A<B> >::_Rep::_S_terminal;

#endif

int main()

{

  test01();

  return 0;

}