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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 <cstring>
#include <utility>
#include <range/v3/core.hpp>
#include <range/v3/algorithm/reverse_copy.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
#include "../test_iterators.hpp"
template<class Iter, class OutIter, class Sent = Iter>
void test()
{
using P = ranges::reverse_copy_result<Iter, OutIter>;
// iterators
{
const int ia[] = {0};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ja[sa] = {-1};
P p0 = ranges::reverse_copy(Iter(ia), Sent(ia), OutIter(ja));
::check_equal(ja, {-1});
CHECK(p0.in == Iter(ia));
CHECK(base(p0.out) == ja);
P p1 = ranges::reverse_copy(Iter(ia), Sent(ia+sa), OutIter(ja));
::check_equal(ja, {0});
CHECK(p1.in == Iter(ia+sa));
CHECK(base(p1.out) == ja+sa);
const int ib[] = {0, 1};
const unsigned sb = sizeof(ib)/sizeof(ib[0]);
int jb[sb] = {-1};
P p2 = ranges::reverse_copy(Iter(ib), Sent(ib+sb), OutIter(jb));
::check_equal(jb, {1, 0});
CHECK(p2.in == Iter(ib+sb));
CHECK(base(p2.out) == jb+sb);
const int ic[] = {0, 1, 2};
const unsigned sc = sizeof(ic)/sizeof(ic[0]);
int jc[sc] = {-1};
P p3 = ranges::reverse_copy(Iter(ic), Sent(ic+sc), OutIter(jc));
::check_equal(jc, {2, 1, 0});
CHECK(p3.in == Iter(ic+sc));
CHECK(base(p3.out) == jc+sc);
const int id[] = {0, 1, 2, 3};
const unsigned sd = sizeof(id)/sizeof(id[0]);
int jd[sd] = {-1};
P p4 = ranges::reverse_copy(Iter(id), Sent(id+sd), OutIter(jd));
::check_equal(jd, {3, 2, 1, 0});
CHECK(p4.in == Iter(id+sd));
CHECK(base(p4.out) == jd+sd);
}
// ranges
{
const int ia[] = {0};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ja[sa] = {-1};
P p0 = ranges::reverse_copy(ranges::make_subrange(Iter(ia), Sent(ia)), OutIter(ja));
::check_equal(ja, {-1});
CHECK(p0.in == Iter(ia));
CHECK(base(p0.out) == ja);
P p1 = ranges::reverse_copy(ranges::make_subrange(Iter(ia), Sent(ia+sa)), OutIter(ja));
::check_equal(ja, {0});
CHECK(p1.in == Iter(ia+sa));
CHECK(base(p1.out) == ja+sa);
const int ib[] = {0, 1};
const unsigned sb = sizeof(ib)/sizeof(ib[0]);
int jb[sb] = {-1};
P p2 = ranges::reverse_copy(ranges::make_subrange(Iter(ib), Sent(ib+sb)), OutIter(jb));
::check_equal(jb, {1, 0});
CHECK(p2.in == Iter(ib+sb));
CHECK(base(p2.out) == jb+sb);
const int ic[] = {0, 1, 2};
const unsigned sc = sizeof(ic)/sizeof(ic[0]);
int jc[sc] = {-1};
P p3 = ranges::reverse_copy(ranges::make_subrange(Iter(ic), Sent(ic+sc)), OutIter(jc));
::check_equal(jc, {2, 1, 0});
CHECK(p3.in == Iter(ic+sc));
CHECK(base(p3.out) == jc+sc);
const int id[] = {0, 1, 2, 3};
const unsigned sd = sizeof(id)/sizeof(id[0]);
int jd[sd] = {-1};
P p4 = ranges::reverse_copy(ranges::make_subrange(Iter(id), Sent(id+sd)), OutIter(jd));
::check_equal(jd, {3, 2, 1, 0});
CHECK(p4.in == Iter(id+sd));
CHECK(base(p4.out) == jd+sd);
// test rvalue ranges
std::memset(jd, 0, sizeof(jd));
auto p5 = ranges::reverse_copy(::MakeTestRange(Iter(id), Sent(id+sd)), OutIter(jd));
::check_equal(jd, {3, 2, 1, 0});
CHECK(::is_dangling(p5.in));
CHECK(base(p4.out) == jd+sd);
}
}
constexpr bool test_constexpr()
{
using namespace ranges;
int ia[] = {0, 1, 2, 3, 4};
int ib[5] = {0};
constexpr auto sa = ranges::size(ia);
const auto r = ranges::reverse_copy(ia, ib);
STATIC_CHECK_RETURN(r.in == ia + sa);
STATIC_CHECK_RETURN(r.out == ib + sa);
STATIC_CHECK_RETURN(ia[0] == 0);
STATIC_CHECK_RETURN(ia[1] == 1);
STATIC_CHECK_RETURN(ia[2] == 2);
STATIC_CHECK_RETURN(ia[3] == 3);
STATIC_CHECK_RETURN(ia[4] == 4);
STATIC_CHECK_RETURN(ib[0] == 4);
STATIC_CHECK_RETURN(ib[1] == 3);
STATIC_CHECK_RETURN(ib[2] == 2);
STATIC_CHECK_RETURN(ib[3] == 1);
STATIC_CHECK_RETURN(ib[4] == 0);
return true;
}
int main()
{
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<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*>();
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*>();
test<const int*, OutputIterator<int*>, Sentinel<const int *> >();
test<const int*, ForwardIterator<int*>, Sentinel<const int *> >();
test<const int*, BidirectionalIterator<int*>, Sentinel<const int *> >();
test<const int*, RandomAccessIterator<int*>, Sentinel<const int *> >();
test<const int*, int*>();
{
STATIC_CHECK(test_constexpr());
}
return ::test_result();
}
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