1// 2004-09-23 Chris Jefferson <chris@bubblescope.net>
2
3// Copyright (C) 2004, 2009 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20// tr1 additions to pair
21
22#include <tr1/utility>
23#include <testsuite_hooks.h>
24
25using namespace std::tr1;
26using std::pair;
27
28struct blank_class
29{ };
30
31int
32main()
33{
34  bool test __attribute__((unused)) = true;
35  typedef pair<int,int> test_pair_type;
36  VERIFY(tuple_size<test_pair_type>::value == 2);
37  // Test if tuple_element::type returns the correct type
38  blank_class blank;
39  tuple_element<0, pair<blank_class, int> >::type blank2 = blank;
40  tuple_element<1, pair<int ,blank_class> >::type blank3 = blank;
41  pair<int,int> test_pair(1, 2);
42  VERIFY(get<0>(test_pair) == 1);
43  VERIFY(get<1>(test_pair) == 2);
44  get<0>(test_pair) = 3;
45  get<1>(test_pair) = 4;
46  VERIFY(get<0>(test_pair) == 3);
47  VERIFY(get<1>(test_pair) == 4);
48
49  const pair<int,int> test_pair2(1,2);
50  VERIFY(get<0>(test_pair2) == 1);
51  VERIFY(get<1>(test_pair2) == 2);
52}
53
54