| // 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(); |
| } |