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66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
// { dg-do run { target c++14 } }
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// { dg-require-cstdint "" }
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// { dg-require-effective-target random_device }
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// { dg-require-effective-target tls_runtime }
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// { dg-add-options tls }
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// Derived from: 2010-03-19 Paolo Carlini <paolo.carlini@oracle.com>
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// Copyright (C) 2010-2019 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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#include <experimental/algorithm>
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#include <vector>
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#include <testsuite_hooks.h>
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void test01()
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{
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for (unsigned size = 0; size < 50; ++size)
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{
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std::vector<int> vref(size);
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std::iota(vref.begin(), vref.end(), 0);
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std::vector<int> v1(vref), v2(vref);
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std::experimental::shuffle(v1.begin(), v1.end());
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std::experimental::shuffle(v2.begin(), v2.end());
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if (size >= 10)
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{
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VERIFY( !std::equal(v1.begin(), v1.end(), vref.begin()) );
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VERIFY( !std::equal(v2.begin(), v2.end(), vref.begin()) );
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VERIFY( !std::equal(v1.begin(), v1.end(), v2.begin()) );
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}
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for (unsigned ind = 0; ind < size; ++ind)
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{
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auto it1 = std::find(v1.begin(), v1.end(), vref[ind]);
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auto it2 = std::find(v2.begin(), v2.end(), vref[ind]);
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VERIFY( it1 != v1.end() );
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VERIFY( it2 != v2.end() );
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v1.erase(it1);
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v2.erase(it2);
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}
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VERIFY( v1.empty() );
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VERIFY( v2.empty() );
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}
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}
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int main()
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{
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test01();
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}
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