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// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
//
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <range/v3/core.hpp>
#include <range/v3/numeric/accumulate.hpp>
#include "../simple_test.hpp"
#include "../test_iterators.hpp"
struct S
{
int i;
S add(int j) const
{
return S{i + j};
}
};
template<class Iter, class Sent = Iter>
void test()
{
int ia[] = {1, 2, 3, 4, 5, 6};
constexpr auto sc = ranges::size(ia);
CHECK(ranges::accumulate(Iter(ia), Sent(ia), 0) == 0);
CHECK(ranges::accumulate(Iter(ia), Sent(ia), 10) == 10);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+1), 0) == 1);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+1), 10) == 11);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+2), 0) == 3);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+2), 10) == 13);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+sc), 0) == 21);
CHECK(ranges::accumulate(Iter(ia), Sent(ia+sc), 10) == 31);
using ranges::make_subrange;
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia)), 0) == 0);
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia)), 10) == 10);
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia+1)), 0) == 1);
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia+1)), 10) == 11);
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia+2)), 0) == 3);
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia+2)), 10) == 13);
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia+sc)), 0) == 21);
CHECK(ranges::accumulate(make_subrange(Iter(ia), Sent(ia+sc)), 10) == 31);
}
int main()
{
test<InputIterator<const int*> >();
test<ForwardIterator<const int*> >();
test<BidirectionalIterator<const int*> >();
test<RandomAccessIterator<const int*> >();
test<const int*>();
test<InputIterator<const int*>, Sentinel<const int*> >();
test<ForwardIterator<const int*>, Sentinel<const int*> >();
test<BidirectionalIterator<const int*>, Sentinel<const int*> >();
test<RandomAccessIterator<const int*>, Sentinel<const int*> >();
return ::test_result();
}
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