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65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
// Copyright (C) 2005-2018 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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#include <algorithm>
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#include <vector>
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#include <testsuite_hooks.h>
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void
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test1()
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{
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std::vector<bool> v;
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v.push_back(true);
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v.push_back(false);
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std::iter_swap(v.begin(), v.begin() + 1);
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VERIFY( v[0] == false && v[1] == true );
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}
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void
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test2()
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{
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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std::iter_swap(v.begin(), v.begin() + 1);
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VERIFY( v[0] == 2 && v[1] == 1 );
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}
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int int_swap_count;
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struct X {};
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void swap(X&, X&)
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{ ++int_swap_count; }
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void
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test3()
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{
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int_swap_count = 0;
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X i, j;
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std::iter_swap(&i, &j);
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VERIFY( int_swap_count == 1 );
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}
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// libstdc++/20577
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int main()
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{
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test1();
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test2();
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test3();
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return 0;
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}
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