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