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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 <functional>
#include <range/v3/core.hpp>
#include <range/v3/algorithm/set_algorithm.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
#include "../test_iterators.hpp"
RANGES_DIAGNOSTIC_IGNORE_GLOBAL_CONSTRUCTORS
namespace
{
auto const true_ = [](bool b){CHECK(b);};
auto const false_ = [](bool b){CHECK(!b);};
template<class Iter1, class Iter2>
void
test_iter()
{
int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ib[] = {2, 4};
const unsigned sb = sizeof(ib)/sizeof(ib[0]);
int ic[] = {1, 2};
int id[] = {3, 3, 3, 3};
auto includes = make_testable_2<true, true>(ranges::includes);
includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib)).check(true_);
includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib+1)).check(false_);
includes(Iter1(ia), Iter1(ia+1), Iter2(ib), Iter2(ib)).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa)).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(ib), Iter2(ib+sb)).check(true_);
includes(Iter1(ib), Iter1(ib+sb), Iter2(ia), Iter2(ia+sa)).check(false_);
includes(Iter1(ia), Iter1(ia+2), Iter2(ic), Iter2(ic+2)).check(true_);
includes(Iter1(ia), Iter1(ia+2), Iter2(ib), Iter2(ib+2)).check(false_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+1)).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+2)).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+3)).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+4)).check(false_);
}
template<class Iter1, class Iter2>
void
test_comp()
{
int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ib[] = {2, 4};
const unsigned sb = sizeof(ib)/sizeof(ib[0]);
int ic[] = {1, 2};
int id[] = {3, 3, 3, 3};
auto includes = make_testable_2<true, true>(ranges::includes);
includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib), std::less<int>()).check(true_);
includes(Iter1(ia), Iter1(ia), Iter2(ib), Iter2(ib+1), std::less<int>()).check(false_);
includes(Iter1(ia), Iter1(ia+1), Iter2(ib), Iter2(ib), std::less<int>()).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(ia), Iter2(ia+sa), std::less<int>()).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(ib), Iter2(ib+sb), std::less<int>()).check(true_);
includes(Iter1(ib), Iter1(ib+sb), Iter2(ia), Iter2(ia+sa), std::less<int>()).check(false_);
includes(Iter1(ia), Iter1(ia+2), Iter2(ic), Iter2(ic+2), std::less<int>()).check(true_);
includes(Iter1(ia), Iter1(ia+2), Iter2(ib), Iter2(ib+2), std::less<int>()).check(false_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+1), std::less<int>()).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+2), std::less<int>()).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+3), std::less<int>()).check(true_);
includes(Iter1(ia), Iter1(ia+sa), Iter2(id), Iter2(id+4), std::less<int>()).check(false_);
}
template<class Iter1, class Iter2>
void test()
{
test_iter<Iter1, Iter2>();
test_comp<Iter1, Iter2>();
}
struct S
{
int i;
};
struct T
{
int j;
};
}
int main()
{
test<InputIterator<const int*>, InputIterator<const int*> >();
test<InputIterator<const int*>, ForwardIterator<const int*> >();
test<InputIterator<const int*>, BidirectionalIterator<const int*> >();
test<InputIterator<const int*>, RandomAccessIterator<const int*> >();
test<InputIterator<const int*>, const int*>();
test<ForwardIterator<const int*>, InputIterator<const int*> >();
test<ForwardIterator<const int*>, ForwardIterator<const int*> >();
test<ForwardIterator<const int*>, BidirectionalIterator<const int*> >();
test<ForwardIterator<const int*>, RandomAccessIterator<const int*> >();
test<ForwardIterator<const int*>, const int*>();
test<BidirectionalIterator<const int*>, InputIterator<const int*> >();
test<BidirectionalIterator<const int*>, ForwardIterator<const int*> >();
test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*> >();
test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*> >();
test<BidirectionalIterator<const int*>, const int*>();
test<RandomAccessIterator<const int*>, InputIterator<const int*> >();
test<RandomAccessIterator<const int*>, ForwardIterator<const int*> >();
test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*> >();
test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*> >();
test<RandomAccessIterator<const int*>, const int*>();
test<const int*, InputIterator<const int*> >();
test<const int*, ForwardIterator<const int*> >();
test<const int*, BidirectionalIterator<const int*> >();
test<const int*, RandomAccessIterator<const int*> >();
test<const int*, const int*>();
// Test projections
{
S ia[] = {{1}, {2}, {2}, {3}, {3}, {3}, {4}, {4}, {4}, {4}};
T id[] = {{3}, {3}, {3}};
CHECK(ranges::includes(ia, id, std::less<int>(), &S::i, &T::j));
}
{
using IL = std::initializer_list<int>;
STATIC_CHECK(ranges::includes(
IL{1, 2, 2, 3, 3, 3, 4, 4, 4, 4}, IL{3, 3, 3}, std::less<int>()));
}
return ::test_result();
}
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