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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 <tuple>
#include <vector>
#include <range/v3/core.hpp>
#include <range/v3/algorithm/partition_copy.hpp>
#include <range/v3/view/counted.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
#include "../test_iterators.hpp"
struct is_odd
{
constexpr bool operator()(const int & i) const
{
return i & 1;
}
};
template<class Iter, class Sent = Iter>
void
test_iter()
{
const int ia[] = {1, 2, 3, 4, 6, 8, 5, 7};
int r1[10] = {0};
int r2[10] = {0};
typedef ranges::partition_copy_result<Iter, OutputIterator<int*>, int*> P;
P p = ranges::partition_copy(Iter(std::begin(ia)),
Sent(std::end(ia)),
OutputIterator<int*>(r1), r2, is_odd());
CHECK(p.in == Iter(std::end(ia)));
CHECK(p.out1.base() == r1 + 4);
CHECK(r1[0] == 1);
CHECK(r1[1] == 3);
CHECK(r1[2] == 5);
CHECK(r1[3] == 7);
CHECK(p.out2 == r2 + 4);
CHECK(r2[0] == 2);
CHECK(r2[1] == 4);
CHECK(r2[2] == 6);
CHECK(r2[3] == 8);
}
template<class Iter, class Sent = Iter>
void
test_range()
{
const int ia[] = {1, 2, 3, 4, 6, 8, 5, 7};
int r1[10] = {0};
int r2[10] = {0};
typedef ranges::partition_copy_result<Iter, OutputIterator<int*>, int*> P;
P p = ranges::partition_copy(::as_lvalue(ranges::make_subrange(Iter(std::begin(ia)),
Sent(std::end(ia)))),
OutputIterator<int*>(r1), r2, is_odd());
CHECK(p.in == Iter(std::end(ia)));
CHECK(p.out1.base() == r1 + 4);
CHECK(r1[0] == 1);
CHECK(r1[1] == 3);
CHECK(r1[2] == 5);
CHECK(r1[3] == 7);
CHECK(p.out2 == r2 + 4);
CHECK(r2[0] == 2);
CHECK(r2[1] == 4);
CHECK(r2[2] == 6);
CHECK(r2[3] == 8);
}
struct S
{
int i;
};
void test_proj()
{
// Test projections
const S ia[] = {S{1}, S{2}, S{3}, S{4}, S{6}, S{8}, S{5}, S{7}};
S r1[10] = {S{0}};
S r2[10] = {S{0}};
typedef ranges::partition_copy_result<S const *, S*, S*> P;
P p = ranges::partition_copy(ia, r1, r2, is_odd(), &S::i);
CHECK(p.in == std::end(ia));
CHECK(p.out1 == r1 + 4);
CHECK(r1[0].i == 1);
CHECK(r1[1].i == 3);
CHECK(r1[2].i == 5);
CHECK(r1[3].i == 7);
CHECK(p.out2 == r2 + 4);
CHECK(r2[0].i == 2);
CHECK(r2[1].i == 4);
CHECK(r2[2].i == 6);
CHECK(r2[3].i == 8);
}
void test_rvalue()
{
// Test rvalue ranges
const S ia[] = {S{1}, S{2}, S{3}, S{4}, S{6}, S{8}, S{5}, S{7}};
S r1[10] = {};
S r2[10] = {};
auto p = ranges::partition_copy(std::move(ia), r1, r2, is_odd(), &S::i);
#ifndef RANGES_WORKAROUND_MSVC_573728
CHECK(::is_dangling(p.in));
#endif
CHECK(p.out1 == r1 + 4);
CHECK(r1[0].i == 1);
CHECK(r1[1].i == 3);
CHECK(r1[2].i == 5);
CHECK(r1[3].i == 7);
CHECK(p.out2 == r2 + 4);
CHECK(r2[0].i == 2);
CHECK(r2[1].i == 4);
CHECK(r2[2].i == 6);
CHECK(r2[3].i == 8);
std::fill(r1 + 0, r1 + 10, S{});
std::fill(r2 + 0, r2 + 10, S{});
std::vector<S> vec(ranges::begin(ia), ranges::end(ia));
auto q = ranges::partition_copy(std::move(vec), r1, r2, is_odd(), &S::i);
#ifndef RANGES_WORKAROUND_MSVC_573728
CHECK(::is_dangling(q.in));
#endif
CHECK(q.out1 == r1 + 4);
CHECK(r1[0].i == 1);
CHECK(r1[1].i == 3);
CHECK(r1[2].i == 5);
CHECK(r1[3].i == 7);
CHECK(q.out2 == r2 + 4);
CHECK(r2[0].i == 2);
CHECK(r2[1].i == 4);
CHECK(r2[2].i == 6);
CHECK(r2[3].i == 8);
}
constexpr bool test_constexpr()
{
using namespace ranges;
const int ia[] = {1, 2, 3, 4, 6, 8, 5, 7};
int r1[10] = {0};
int r2[10] = {0};
const auto p = partition_copy(ia, r1, r2, is_odd());
STATIC_CHECK_RETURN(p.in == std::end(ia));
STATIC_CHECK_RETURN(p.out1 == r1 + 4);
STATIC_CHECK_RETURN(r1[0] == 1);
STATIC_CHECK_RETURN(r1[1] == 3);
STATIC_CHECK_RETURN(r1[2] == 5);
STATIC_CHECK_RETURN(r1[3] == 7);
STATIC_CHECK_RETURN(p.out2 == r2 + 4);
STATIC_CHECK_RETURN(r2[0] == 2);
STATIC_CHECK_RETURN(r2[1] == 4);
STATIC_CHECK_RETURN(r2[2] == 6);
STATIC_CHECK_RETURN(r2[3] == 8);
return true;
}
int main()
{
test_iter<InputIterator<const int*> >();
test_iter<InputIterator<const int*>, Sentinel<const int*>>();
test_range<InputIterator<const int*> >();
test_range<InputIterator<const int*>, Sentinel<const int*>>();
test_proj();
test_rvalue();
{
STATIC_CHECK(test_constexpr());
}
return ::test_result();
}
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