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// 2001-06-18  Benjamin Kosnik  <bkoz@redhat.com>

// Copyright (C) 2001, 2004, 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/>.

// 20.2.2 Pairs

#include <utility>

#include <testsuite_hooks.h>

class gnu_obj

{

  int i;

public:

  gnu_obj(int arg = 0): i(arg) { }

  bool operator==(const gnu_obj& rhs) const { return i == rhs.i; }

  bool operator<(const gnu_obj& rhs) const { return i < rhs.i; }

};

template<typename T>

  struct gnu_t

  {

    bool b;

  public:

    gnu_t(bool arg = 0): b(arg) { }

    bool operator==(const gnu_t& rhs) const { return b == rhs.b; }

    bool operator<(const gnu_t& rhs) const { return int(b) < int(rhs.b); }

  };

// const&

void test04()

{

  bool test __attribute__((unused)) = true;

  const gnu_obj& obj1 = gnu_obj(5);

  const std::pair<const char*, gnu_obj> p_sg_1("enlightenment", obj1);

  const std::pair<const char*, gnu_obj> p_sg_2 =

    std::make_pair("enlightenment", obj1);

  VERIFY( p_sg_1 == p_sg_2 );

  VERIFY( !(p_sg_1 < p_sg_2) );

  const gnu_t<long>& tmpl1 = gnu_t<long>(false);

  const std::pair<gnu_t<long>, gnu_obj> p_st_1(tmpl1, obj1);

  const std::pair<gnu_t<long>, gnu_obj> p_st_2 = std::make_pair(tmpl1, obj1);

  VERIFY( p_st_1 == p_st_2 );

  VERIFY( !(p_st_1 < p_st_2) );

}

int main()

{

  test04();

  return 0;

}