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// Copyright (C) 2019 T. Zachary Laine
//
// Distributed under 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)
#include "ill_formed.hpp"
#include <boost/stl_interfaces/iterator_interface.hpp>
#include <boost/stl_interfaces/view_interface.hpp>
#include <boost/stl_interfaces/sequence_container_interface.hpp>
#include <boost/core/lightweight_test.hpp>
#include <array>
#include <list>
#include <vector>
namespace detail = boost::stl_interfaces::detail;
namespace v1_dtl = boost::stl_interfaces::v1::v1_dtl;
#if BOOST_STL_INTERFACES_USE_CONCEPTS
namespace v2_dtl = boost::stl_interfaces::v2::v2_dtl;
#endif
// iter_difference_t
static_assert(
std::is_same<v1_dtl::iter_difference_t<int *>, std::ptrdiff_t>::value, "");
static_assert(std::is_same<
v1_dtl::iter_difference_t<std::vector<double>::iterator>,
std::vector<double>::difference_type>::value, "");
static_assert(std::is_same<
v1_dtl::iter_difference_t<std::list<double>::iterator>,
std::list<double>::difference_type>::value, "");
struct ridiculous_range
{
int * begin() { return nullptr; }
double end() { return 1.3; }
};
// iterator_t
static_assert(std::is_same<
v1_dtl::iterator_t<std::vector<double>>,
std::vector<double>::iterator>::value, "");
static_assert(std::is_same<
v1_dtl::iterator_t<std::list<double>>,
std::list<double>::iterator>::value, "");
static_assert(std::is_same<v1_dtl::iterator_t<ridiculous_range>, int *>::value, "");
// sentinel_t
static_assert(std::is_same<
v1_dtl::sentinel_t<std::vector<double>>,
std::vector<double>::iterator>::value, "");
static_assert(std::is_same<
v1_dtl::sentinel_t<std::list<double>>,
std::list<double>::iterator>::value, "");
static_assert(std::is_same<v1_dtl::sentinel_t<ridiculous_range>, double>::value, "");
// range_difference_t
static_assert(
std::is_same<
v1_dtl::range_difference_t<std::vector<double>>,
std::iterator_traits<std::vector<double>::iterator>::difference_type>::value, "");
static_assert(
std::is_same<
v1_dtl::range_difference_t<std::list<double>>,
std::iterator_traits<std::list<double>::iterator>::difference_type>::value, "");
static_assert(std::is_same<
v1_dtl::range_difference_t<ridiculous_range>,
std::ptrdiff_t>::value, "");
// common_range
static_assert(v1_dtl::common_range<std::vector<double>>::value, "");
static_assert(v1_dtl::common_range<std::list<double>>::value, "");
static_assert(!v1_dtl::common_range<ridiculous_range>::value, "");
// iterator_category_base
template<typename T>
using nested_iterator_category = typename T::iterator_category;
#if BOOST_STL_INTERFACES_USE_CONCEPTS
static_assert(
ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::input_iterator_tag, int &>>{});
static_assert(ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::input_iterator_tag, int>>{});
static_assert(
ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::output_iterator_tag, int &>>{});
static_assert(ill_formed<
nested_iterator_category,
v2_dtl::iterator_category_base<std::output_iterator_tag, int>>{});
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::random_access_iterator_tag,
int &>>,
std::random_access_iterator_tag>::value);
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::random_access_iterator_tag,
int>>,
std::input_iterator_tag>::value);
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::bidirectional_iterator_tag,
int &>>,
std::bidirectional_iterator_tag>::value);
static_assert(std::is_same<
nested_iterator_category<v2_dtl::iterator_category_base<
std::bidirectional_iterator_tag,
int>>,
std::input_iterator_tag>::value);
static_assert(
std::is_same<
nested_iterator_category<
v2_dtl::iterator_category_base<std::forward_iterator_tag, int &>>,
std::forward_iterator_tag>::value);
static_assert(
std::is_same<
nested_iterator_category<
v2_dtl::iterator_category_base<std::forward_iterator_tag, int>>,
std::input_iterator_tag>::value);
#endif
struct no_clear
{};
int main()
{
{
{
no_clear nc;
v1_dtl::clear_impl<no_clear>::call(nc);
}
{
std::vector<int> vec(10);
v1_dtl::clear_impl<std::vector<int>>::call(vec);
BOOST_TEST(vec.empty());
}
}
{
std::array<int, 5> ints = {{0, 1, 2, 3, 4}};
int const new_value = 6;
detail::n_iter<int, int> first = detail::make_n_iter(new_value, 3);
detail::n_iter<int, int> last = detail::make_n_iter_end(new_value, 3);
std::copy(first, last, &ints[1]);
BOOST_TEST(ints == (std::array<int, 5>{{0, 6, 6, 6, 4}}));
}
return boost::report_errors();
}
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