121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
// Copyright (C) 2005-2019 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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// 25.2.10 rotate
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#include <algorithm>
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#include <testsuite_hooks.h>
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#include <testsuite_iterators.h>
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using __gnu_test::test_container;
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using __gnu_test::forward_iterator_wrapper;
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using __gnu_test::bidirectional_iterator_wrapper;
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using __gnu_test::random_access_iterator_wrapper;
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typedef test_container<int, forward_iterator_wrapper> Fcontainer;
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typedef test_container<int, bidirectional_iterator_wrapper> Bcontainer;
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typedef test_container<int, random_access_iterator_wrapper> Rcontainer;
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void
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test1()
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{
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int array[]={1};
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Fcontainer fcon(array, array);
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Bcontainer bcon(array, array);
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Rcontainer rcon(array, array);
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std::rotate(fcon.begin(), fcon.begin(), fcon.end());
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std::rotate(bcon.begin(), bcon.begin(), bcon.end());
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std::rotate(rcon.begin(), rcon.begin(), rcon.end());
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}
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void
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test2()
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{
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int array[] = {1};
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Fcontainer fcon(array, array + 1);
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Bcontainer bcon(array, array + 1);
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Rcontainer rcon(array, array + 1);
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std::rotate(fcon.begin(), fcon.begin(), fcon.end());
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std::rotate(bcon.begin(), bcon.begin(), bcon.end());
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std::rotate(rcon.begin(), rcon.begin(), rcon.end());
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std::rotate(fcon.begin(), fcon.end(), fcon.end());
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std::rotate(bcon.begin(), bcon.end(), bcon.end());
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std::rotate(rcon.begin(), rcon.end(), rcon.end());
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}
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void
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test3()
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{
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int array[] = {1, 2, 3, 4, 5};
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Fcontainer fcon(array, array + 5);
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Bcontainer bcon(array, array + 5);
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Rcontainer rcon(array, array + 5);
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std::rotate(fcon.begin(), fcon.it(2), fcon.end());
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VERIFY(array[0] == 3 && array[1] == 4 && array[2] == 5 &&
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array[3] == 1 && array[4] == 2);
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std::rotate(bcon.begin(), bcon.it(2), bcon.end());
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VERIFY(array[0] == 5 && array[1] == 1 && array[2] == 2 &&
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array[3] == 3 && array[4] == 4);
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std::rotate(rcon.begin(), rcon.it(2), rcon.end());
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VERIFY(array[0] == 2 && array[1] == 3 && array[2] == 4 &&
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array[3] == 5 && array[4] == 1);
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}
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void
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test4()
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{
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int array[] = {1, 2, 3, 4};
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Fcontainer fcon(array, array + 4);
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Bcontainer bcon(array, array + 4);
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Rcontainer rcon(array, array + 4);
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std::rotate(fcon.begin(), fcon.it(3), fcon.end());
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VERIFY(array[0] == 4 && array[1] == 1 && array[2] == 2 &&
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array[3] == 3);
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std::rotate(bcon.begin(), bcon.it(3), bcon.end());
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VERIFY(array[0] == 3 && array[1] == 4 && array[2] == 1 &&
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array[3] == 2);
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std::rotate(rcon.begin(), rcon.it(3), rcon.end());
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VERIFY(array[0] == 2 && array[1] == 3 && array[2] == 4 &&
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array[3] == 1);
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}
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void
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test5()
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{
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int array[] = {1, 2, 3, 4};
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Rcontainer con(array, array + 4);
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std::rotate(con.begin(), con.it(2), con.end());
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VERIFY(array[0] == 3 && array[1] == 4 && array[2] == 1 &&
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array[3] == 2);
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}
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int
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main()
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{
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test1();
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test2();
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test3();
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test4();
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test5();
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}
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