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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
//
// Copyright 2005 - 2007 Adobe Systems Incorporated
// Distributed under the MIT License(see accompanying file LICENSE_1_0_0.txt
// or a copy at http://stlab.adobe.com/licenses.html)
//===----------------------------------------------------------------------===//
//
// 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 <memory>
#include <utility>
#include <vector>
#include <range/v3/core.hpp>
#include <range/v3/algorithm/remove_copy_if.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
#include "../test_iterators.hpp"
template<class InIter, class OutIter, class Sent = InIter>
void
test_iter()
{
int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2};
constexpr auto sa = ranges::size(ia);
int ib[sa];
ranges::remove_copy_if_result<InIter, OutIter> r = ranges::remove_copy_if(InIter(ia), Sent(ia+sa), OutIter(ib), [](int i){return i == 2;});
CHECK(base(r.in) == ia + sa);
CHECK(base(r.out) == ib + sa-3);
CHECK(ib[0] == 0);
CHECK(ib[1] == 1);
CHECK(ib[2] == 3);
CHECK(ib[3] == 4);
CHECK(ib[4] == 3);
CHECK(ib[5] == 4);
}
template<class InIter, class OutIter, class Sent = InIter>
void
test_range()
{
int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2};
constexpr auto sa = ranges::size(ia);
int ib[sa];
ranges::remove_copy_if_result<InIter, OutIter> r = ranges::remove_copy_if(::as_lvalue(ranges::make_subrange(InIter(ia), Sent(ia+sa))), OutIter(ib), [](int i){return i == 2;});
CHECK(base(r.in) == ia + sa);
CHECK(base(r.out) == ib + sa-3);
CHECK(ib[0] == 0);
CHECK(ib[1] == 1);
CHECK(ib[2] == 3);
CHECK(ib[3] == 4);
CHECK(ib[4] == 3);
CHECK(ib[5] == 4);
}
template<class InIter, class OutIter, class Sent = InIter>
void
test()
{
test_iter<InIter, OutIter, Sent>();
test_range<InIter, OutIter, Sent>();
}
struct S
{
int i;
};
constexpr bool equals_two(int i)
{
return i == 2;
}
constexpr bool test_constexpr()
{
using namespace ranges;
int ia[] = {0, 1, 2, 3, 4, 2, 3, 4, 2};
int ib[6] = {0};
constexpr auto sa = ranges::size(ia);
auto r = ranges::remove_copy_if(ia, ib, equals_two);
STATIC_CHECK_RETURN(r.in == ia + sa);
STATIC_CHECK_RETURN(r.out == ib + (sa - 3));
STATIC_CHECK_RETURN(ib[0] == 0);
STATIC_CHECK_RETURN(ib[1] == 1);
STATIC_CHECK_RETURN(ib[2] == 3);
STATIC_CHECK_RETURN(ib[3] == 4);
STATIC_CHECK_RETURN(ib[4] == 3);
STATIC_CHECK_RETURN(ib[5] == 4);
return true;
}
int main()
{
test<InputIterator<const int*>, OutputIterator<int*>>();
test<InputIterator<const int*>, ForwardIterator<int*>>();
test<InputIterator<const int*>, BidirectionalIterator<int*>>();
test<InputIterator<const int*>, RandomAccessIterator<int*>>();
test<InputIterator<const int*>, int*>();
test<ForwardIterator<const int*>, OutputIterator<int*>>();
test<ForwardIterator<const int*>, ForwardIterator<int*>>();
test<ForwardIterator<const int*>, BidirectionalIterator<int*>>();
test<ForwardIterator<const int*>, RandomAccessIterator<int*>>();
test<ForwardIterator<const int*>, int*>();
test<BidirectionalIterator<const int*>, OutputIterator<int*>>();
test<BidirectionalIterator<const int*>, ForwardIterator<int*>>();
test<BidirectionalIterator<const int*>, BidirectionalIterator<int*>>();
test<BidirectionalIterator<const int*>, RandomAccessIterator<int*>>();
test<BidirectionalIterator<const int*>, int*>();
test<RandomAccessIterator<const int*>, OutputIterator<int*>>();
test<RandomAccessIterator<const int*>, ForwardIterator<int*>>();
test<RandomAccessIterator<const int*>, BidirectionalIterator<int*>>();
test<RandomAccessIterator<const int*>, RandomAccessIterator<int*>>();
test<RandomAccessIterator<const int*>, int*>();
test<const int*, OutputIterator<int*>>();
test<const int*, ForwardIterator<int*>>();
test<const int*, BidirectionalIterator<int*>>();
test<const int*, RandomAccessIterator<int*>>();
test<const int*, int*>();
test<InputIterator<const int*>, OutputIterator<int*>, Sentinel<const int*>>();
test<InputIterator<const int*>, ForwardIterator<int*>, Sentinel<const int*>>();
test<InputIterator<const int*>, BidirectionalIterator<int*>, Sentinel<const int*>>();
test<InputIterator<const int*>, RandomAccessIterator<int*>, Sentinel<const int*>>();
test<InputIterator<const int*>, int*, Sentinel<const int*>>();
test<ForwardIterator<const int*>, OutputIterator<int*>, Sentinel<const int*>>();
test<ForwardIterator<const int*>, ForwardIterator<int*>, Sentinel<const int*>>();
test<ForwardIterator<const int*>, BidirectionalIterator<int*>, Sentinel<const int*>>();
test<ForwardIterator<const int*>, RandomAccessIterator<int*>, Sentinel<const int*>>();
test<ForwardIterator<const int*>, int*, Sentinel<const int*>>();
test<BidirectionalIterator<const int*>, OutputIterator<int*>, Sentinel<const int*>>();
test<BidirectionalIterator<const int*>, ForwardIterator<int*>, Sentinel<const int*>>();
test<BidirectionalIterator<const int*>, BidirectionalIterator<int*>, Sentinel<const int*>>();
test<BidirectionalIterator<const int*>, RandomAccessIterator<int*>, Sentinel<const int*>>();
test<BidirectionalIterator<const int*>, int*, Sentinel<const int*>>();
test<RandomAccessIterator<const int*>, OutputIterator<int*>, Sentinel<const int*>>();
test<RandomAccessIterator<const int*>, ForwardIterator<int*>, Sentinel<const int*>>();
test<RandomAccessIterator<const int*>, BidirectionalIterator<int*>, Sentinel<const int*>>();
test<RandomAccessIterator<const int*>, RandomAccessIterator<int*>, Sentinel<const int*>>();
test<RandomAccessIterator<const int*>, int*, Sentinel<const int*>>();
// Check projection
{
S ia[] = {S{0}, S{1}, S{2}, S{3}, S{4}, S{2}, S{3}, S{4}, S{2}};
constexpr auto sa = ranges::size(ia);
S ib[sa];
ranges::remove_copy_if_result<S*, S*> r = ranges::remove_copy_if(ia, ib, [](int i){return i == 2;}, &S::i);
CHECK(r.in == ia + sa);
CHECK(r.out == ib + sa-3);
CHECK(ib[0].i == 0);
CHECK(ib[1].i == 1);
CHECK(ib[2].i == 3);
CHECK(ib[3].i == 4);
CHECK(ib[4].i == 3);
CHECK(ib[5].i == 4);
}
// Check rvalue range
{
S ia[] = {S{0}, S{1}, S{2}, S{3}, S{4}, S{2}, S{3}, S{4}, S{2}};
constexpr auto sa = ranges::size(ia);
S ib[sa] = {};
auto r0 = ranges::remove_copy_if(std::move(ia), ib, [](int i){return i == 2;}, &S::i);
#ifndef RANGES_WORKAROUND_MSVC_573728
CHECK(::is_dangling(r0.in));
#endif // RANGES_WORKAROUND_MSVC_573728
CHECK(r0.out == ib + sa-3);
CHECK(ib[0].i == 0);
CHECK(ib[1].i == 1);
CHECK(ib[2].i == 3);
CHECK(ib[3].i == 4);
CHECK(ib[4].i == 3);
CHECK(ib[5].i == 4);
std::fill(ranges::begin(ib), ranges::end(ib), S{});
std::vector<S> vec(ranges::begin(ia), ranges::end(ia));
auto r1 = ranges::remove_copy_if(std::move(vec), ib, [](int i){return i == 2;}, &S::i);
CHECK(::is_dangling(r1.in));
CHECK(r1.out == ib + sa-3);
CHECK(ib[0].i == 0);
CHECK(ib[1].i == 1);
CHECK(ib[2].i == 3);
CHECK(ib[3].i == 4);
CHECK(ib[4].i == 3);
CHECK(ib[5].i == 4);
}
{
STATIC_CHECK(test_constexpr());
}
return ::test_result();
}
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