58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// Copyright (C) 2020-2024 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-do run { target c++20 } }
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#include <algorithm>
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#include <functional>
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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::test_range;
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using __gnu_test::input_iterator_wrapper;
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namespace ranges = std::ranges;
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struct X
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{
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int i, j;
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};
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void
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test01()
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{
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VERIFY( ranges::clamp(1, 2, 4) == 2 );
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VERIFY( ranges::clamp(3, 2, 4) == 3 );
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VERIFY( ranges::clamp(5, 2, 4) == 4 );
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VERIFY( ranges::clamp(1, 4, 2, ranges::greater{}) == 2 );
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VERIFY( ranges::clamp(3, 4, 2, ranges::greater{}) == 3 );
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VERIFY( ranges::clamp(5, 4, 2, ranges::greater{}) == 4 );
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VERIFY( ranges::clamp(1, 2, 4, ranges::greater{}, std::negate<>{}) == 2 );
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VERIFY( ranges::clamp(3, 2, 4, ranges::greater{}, std::negate<>{}) == 3 );
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VERIFY( ranges::clamp(5, 2, 4, ranges::greater{}, std::negate<>{}) == 4 );
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static_assert(ranges::clamp(X{1,2}, X{1,3}, X{1,4}, {}, &X::i).j == 2);
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}
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int
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main()
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{
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test01();
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}
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