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66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
// Copyright (C) 2013-2018 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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// { dg-options "-DSIMULATOR_TEST" { target simulator } }
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// { dg-do run { target c++11 } }
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// { dg-require-cstdint "" }
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// 25.4.1.4 [lib.alg.partial.sort.copy]
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#include <algorithm>
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#include <random>
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#include <vector>
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#include <testsuite_hooks.h>
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#include <testsuite_iterators.h>
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#include <testsuite_containergen.h>
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using __gnu_test::test_container;
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using __gnu_test::random_access_iterator_wrapper;
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typedef test_container<int, random_access_iterator_wrapper> Container;
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struct testPartialSortCopy
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{
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template<typename Container, typename RandomGen>
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void operator()(Container con, RandomGen& rg)
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{
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const int size = con.end() - con.begin();
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auto dist = std::uniform_int_distribution<>(0, size);
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const int element = dist(rg);
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std::vector<int> outvec(element + 1); // add +1 to avoid empty issues
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Container out(outvec.data(), outvec.data() + element);
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std::partial_sort_copy(con.begin(), con.end(),
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out.begin(), out.begin() + element);
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VERIFY( std::is_sorted(out.begin(), out.begin() + element) );
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std::sort(con.begin(), con.end());
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for (int i = 0; i < element; ++i)
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VERIFY( con.val(i) == out.val(i) );
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}
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};
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int
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main()
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{
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__gnu_test::test_containers<Container>(testPartialSortCopy());
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}
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