75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
// Copyright (C) 2020-2022 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 run { target c++2a } }
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#include <algorithm>
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#include <vector>
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#include <testsuite_hooks.h>
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namespace ranges = std::ranges;
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template<typename It>
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struct sentinel
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{
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It it;
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friend bool
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operator==(It x, sentinel y)
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{ return x == y.it; }
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};
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void
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test01()
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{
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std::vector<int> v = {1,2,3,4,5}, w = {0,0,0,0,0};
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ranges::subrange sr = {v.begin(), sentinel{v.end()}};
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ranges::copy(sr, w.begin());
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VERIFY( ranges::equal(w, (int[]){1,2,3,4,5}) );
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}
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void
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test02()
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{
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using std::reverse_iterator;
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std::vector<int> v = {1,2,3,4,5}, w = {0,0,0,0,0};
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ranges::subrange sr
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= {reverse_iterator{v.end()}, sentinel{reverse_iterator{v.begin()}}};
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ranges::copy(sr, reverse_iterator{w.end()});
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VERIFY( ranges::equal(w, (int[]){1,2,3,4,5}) );
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}
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void
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test03()
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{
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using std::move_iterator;
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std::vector<int> v = {1,2,3,4,5}, w = {0,0,0,0,0};
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ranges::subrange sr
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= {move_iterator{v.begin()}, sentinel{move_iterator{v.end()}}};
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ranges::copy(sr, w.begin());
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VERIFY( ranges::equal(w, (int[]){1,2,3,4,5}) );
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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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test02();
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test03();
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}
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