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// Copyright (C) 2018-2022 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/>.
// { dg-do run { target c++11 } }
#include <utility>
#include <testsuite_hooks.h>
void
test01()
{
typedef std::pair<int&, int> pair_type;
int i = 1;
int j = 2;
pair_type p(i, 3);
const pair_type q(j, 4);
p = q;
VERIFY( p.first == q.first );
VERIFY( p.second == q.second );
VERIFY( i == j );
}
void
test02()
{
typedef std::pair<int, int&> pair_type;
int i = 1;
int j = 2;
pair_type p(3, i);
const pair_type q(4, j);
p = q;
VERIFY( p.first == q.first );
VERIFY( p.second == q.second );
VERIFY( i == j );
}
void
test03()
{
typedef std::pair<int&, int&> pair_type;
int i = 1;
int j = 2;
int k = 3;
int l = 4;
pair_type p(i, j);
const pair_type q(k, l);
p = q;
VERIFY( p.first == q.first );
VERIFY( p.second == q.second );
VERIFY( i == k );
VERIFY( j == l );
}
int
main()
{
test01();
test02();
test03();
}
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