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// Copyright (C) 2020-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-options "-std=gnu++2a" }
// { dg-do run { target c++2a } }
#include <algorithm>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
using __gnu_test::test_container;
using __gnu_test::test_range;
using __gnu_test::input_iterator_wrapper;
using __gnu_test::forward_iterator_wrapper;
namespace ranges = std::ranges;
void
test01()
{
int x[] = {1,2,3,4,5,6,7};
int y[] = {2,4,6};
test_range<int, input_iterator_wrapper> rx(x), ry(y);
VERIFY( ranges::includes(rx, ry) );
rx.bounds.first = x;
ry.bounds.first = y;
VERIFY( ranges::includes(rx, ry,
ranges::greater{},
std::negate<>{},
std::negate<>{}) );
test_container<int, forward_iterator_wrapper> cx(x), cy(y);
VERIFY( ranges::includes(cx.begin(), cx.end(),
cy.begin(), cy.end(),
{},
[] (int a) { return a+1; },
[] (int a) { return a+2; }) );
VERIFY( ranges::includes(x, x+1, y, y) );
}
constexpr bool
test03()
{
bool ok = true;
ok &= ranges::includes((int[]){1,2,3},
(int[]){1});
ok &= !ranges::includes((int[]){1,2,3},
(int[]){1,2,3,4});
return true;
}
int
main()
{
test01();
static_assert(test03());
}
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