57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
// 2004-09-23 Chris Jefferson <chris@bubblescope.net>
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// Copyright (C) 2004-2021 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-std=c++98" }
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// tr1 additions to pair
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#include <tr1/utility>
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#include <testsuite_hooks.h>
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using namespace std::tr1;
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using std::pair;
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struct blank_class
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{ };
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int
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main()
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{
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typedef pair<int,int> test_pair_type;
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VERIFY(tuple_size<test_pair_type>::value == 2);
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// Test if tuple_element::type returns the correct type
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blank_class blank;
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tuple_element<0, pair<blank_class, int> >::type
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blank2 __attribute__((unused)) = blank;
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tuple_element<1, pair<int ,blank_class> >::type
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blank3 __attribute__((unused)) = blank;
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pair<int,int> test_pair(1, 2);
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VERIFY(get<0>(test_pair) == 1);
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VERIFY(get<1>(test_pair) == 2);
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get<0>(test_pair) = 3;
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get<1>(test_pair) = 4;
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VERIFY(get<0>(test_pair) == 3);
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VERIFY(get<1>(test_pair) == 4);
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const pair<int,int> test_pair2(1,2);
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VERIFY(get<0>(test_pair2) == 1);
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VERIFY(get<1>(test_pair2) == 2);
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}
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