45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// Copyright (C) 2019-2022 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=gnu++2a" }
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// { dg-do compile { target c++2a } }
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#include <algorithm>
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#include <array>
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constexpr bool
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test()
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{
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constexpr std::array<int, 12> ca0{{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}};
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constexpr std::array<int, 12> cas{{3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}};
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constexpr std::array<int, 3> camm{{-6, -5, -4}};
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std::array<int, 24> out0{{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
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const auto outdd = std::merge(ca0.begin(), ca0.end(),
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cas.begin(), cas.end(), out0.begin());
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if (outdd != out0.end())
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return false;
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const auto outee = std::merge(ca0.begin(), ca0.end(),
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camm.begin(), camm.end(), out0.begin(),
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[](int i, int j){ return i < j; });
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return outee == (out0.begin() + ca0.size() + camm.size());
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}
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static_assert(test());
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