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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 <algorithm>
#include <functional>
#include <range/v3/core.hpp>
#include <range/v3/algorithm/fill.hpp>
#include <range/v3/algorithm/set_algorithm.hpp>
#include <range/v3/algorithm/lexicographical_compare.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
#include "../test_iterators.hpp"
template<class Iter1, class Iter2, class OutIter>
void
test()
{
int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
static const int sa = sizeof(ia)/sizeof(ia[0]);
int ib[] = {2, 4, 4, 6};
static const int sb = sizeof(ib)/sizeof(ib[0]);
int ic[20];
int ir[] = {2, 4, 4};
static const int sr = sizeof(ir)/sizeof(ir[0]);
auto set_intersection = ::make_testable_2<true, true>(ranges::set_intersection);
set_intersection(Iter1(ia), Iter1(ia+sa),
Iter2(ib), Iter2(ib+sb), OutIter(ic)).check([&](OutIter ce)
{
CHECK((base(ce) - ic) == sr);
CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
ranges::fill(ic, 0);
});
set_intersection(Iter1(ib), Iter1(ib+sb),
Iter2(ia), Iter2(ia+sa), OutIter(ic)).check([&](OutIter ce)
{
CHECK((base(ce) - ic) == sr);
CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
ranges::fill(ic, 0);
});
set_intersection(Iter1(ia), Iter1(ia+sa),
Iter2(ib), Iter2(ib+sb), OutIter(ic), std::less<int>()).check([&](OutIter ce)
{
CHECK((base(ce) - ic) == sr);
CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
ranges::fill(ic, 0);
});
set_intersection(Iter1(ib), Iter1(ib+sb),
Iter2(ia), Iter2(ia+sa), OutIter(ic), std::less<int>()).check([&](OutIter ce)
{
CHECK((base(ce) - ic) == sr);
CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
ranges::fill(ic, 0);
});
}
struct S
{
int i;
};
struct T
{
int j;
};
struct U
{
int k;
U& operator=(S s) { k = s.i; return *this;}
U& operator=(T t) { k = t.j; return *this;}
};
constexpr bool test_constexpr()
{
using namespace ranges;
int ic[20] = {0};
int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
int ib[4] = {2, 4, 4, 6};
int ir[3] = {2, 4, 4};
constexpr auto sr = size(ir);
int * res = set_intersection(ia, ib, ic, less{});
STATIC_CHECK_RETURN((res - ic) == sr);
STATIC_CHECK_RETURN(lexicographical_compare(ic, res, ir, ir + sr, less{}) == 0);
return true;
}
int main()
{
#ifdef SET_INTERSECTION_1
test<InputIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
test<InputIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
test<InputIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
test<InputIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
test<InputIterator<const int*>, InputIterator<const int*>, int*>();
test<InputIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
test<InputIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
test<InputIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
test<InputIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
test<InputIterator<const int*>, ForwardIterator<const int*>, int*>();
test<InputIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
test<InputIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
test<InputIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
test<InputIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
test<InputIterator<const int*>, BidirectionalIterator<const int*>, int*>();
test<InputIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
test<InputIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
test<InputIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
test<InputIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
test<InputIterator<const int*>, RandomAccessIterator<const int*>, int*>();
test<InputIterator<const int*>, const int*, OutputIterator<int*> >();
test<InputIterator<const int*>, const int*, ForwardIterator<int*> >();
test<InputIterator<const int*>, const int*, BidirectionalIterator<int*> >();
test<InputIterator<const int*>, const int*, RandomAccessIterator<int*> >();
test<InputIterator<const int*>, const int*, int*>();
#endif
#ifdef SET_INTERSECTION_2
test<ForwardIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
test<ForwardIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
test<ForwardIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
test<ForwardIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
test<ForwardIterator<const int*>, InputIterator<const int*>, int*>();
test<ForwardIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
test<ForwardIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
test<ForwardIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
test<ForwardIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
test<ForwardIterator<const int*>, ForwardIterator<const int*>, int*>();
test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, int*>();
test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, int*>();
test<ForwardIterator<const int*>, const int*, OutputIterator<int*> >();
test<ForwardIterator<const int*>, const int*, ForwardIterator<int*> >();
test<ForwardIterator<const int*>, const int*, BidirectionalIterator<int*> >();
test<ForwardIterator<const int*>, const int*, RandomAccessIterator<int*> >();
test<ForwardIterator<const int*>, const int*, int*>();
#endif
#ifdef SET_INTERSECTION_3
test<BidirectionalIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
test<BidirectionalIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
test<BidirectionalIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
test<BidirectionalIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
test<BidirectionalIterator<const int*>, InputIterator<const int*>, int*>();
test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, int*>();
test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, int*>();
test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, int*>();
test<BidirectionalIterator<const int*>, const int*, OutputIterator<int*> >();
test<BidirectionalIterator<const int*>, const int*, ForwardIterator<int*> >();
test<BidirectionalIterator<const int*>, const int*, BidirectionalIterator<int*> >();
test<BidirectionalIterator<const int*>, const int*, RandomAccessIterator<int*> >();
test<BidirectionalIterator<const int*>, const int*, int*>();
#endif
#ifdef SET_INTERSECTION_4
test<RandomAccessIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
test<RandomAccessIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
test<RandomAccessIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
test<RandomAccessIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
test<RandomAccessIterator<const int*>, InputIterator<const int*>, int*>();
test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, int*>();
test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, int*>();
test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, int*>();
test<RandomAccessIterator<const int*>, const int*, OutputIterator<int*> >();
test<RandomAccessIterator<const int*>, const int*, ForwardIterator<int*> >();
test<RandomAccessIterator<const int*>, const int*, BidirectionalIterator<int*> >();
test<RandomAccessIterator<const int*>, const int*, RandomAccessIterator<int*> >();
test<RandomAccessIterator<const int*>, const int*, int*>();
#endif
#ifdef SET_INTERSECTION_5
test<const int*, InputIterator<const int*>, OutputIterator<int*> >();
test<const int*, InputIterator<const int*>, BidirectionalIterator<int*> >();
test<const int*, InputIterator<const int*>, BidirectionalIterator<int*> >();
test<const int*, InputIterator<const int*>, RandomAccessIterator<int*> >();
test<const int*, InputIterator<const int*>, int*>();
test<const int*, ForwardIterator<const int*>, OutputIterator<int*> >();
test<const int*, ForwardIterator<const int*>, ForwardIterator<int*> >();
test<const int*, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
test<const int*, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
test<const int*, ForwardIterator<const int*>, int*>();
test<const int*, BidirectionalIterator<const int*>, OutputIterator<int*> >();
test<const int*, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
test<const int*, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
test<const int*, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
test<const int*, BidirectionalIterator<const int*>, int*>();
test<const int*, RandomAccessIterator<const int*>, OutputIterator<int*> >();
test<const int*, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
test<const int*, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
test<const int*, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
test<const int*, RandomAccessIterator<const int*>, int*>();
test<const int*, const int*, OutputIterator<int*> >();
test<const int*, const int*, ForwardIterator<int*> >();
test<const int*, const int*, BidirectionalIterator<int*> >();
test<const int*, const int*, RandomAccessIterator<int*> >();
test<const int*, const int*, int*>();
#endif
#ifdef SET_INTERSECTION_6
// Test projections
{
S ia[] = {S{1}, S{2}, S{2}, S{3}, S{3}, S{3}, S{4}, S{4}, S{4}, S{4}};
T ib[] = {T{2}, T{4}, T{4}, T{6}};
U ic[20];
int ir[] = {2, 4, 4};
static const int sr = sizeof(ir)/sizeof(ir[0]);
U * res = ranges::set_intersection(ranges::views::all(ia), ranges::views::all(ib), ic, std::less<int>(), &S::i, &T::j);
CHECK((res - ic) == sr);
CHECK(ranges::lexicographical_compare(ic, res, ir, ir+sr, std::less<int>(), &U::k) == false);
}
{
STATIC_CHECK(test_constexpr());
}
#endif
return ::test_result();
}
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