afb81b8278
Some checks failed
Docker. / Ubuntu (push) Has been cancelled
User-agent updater. / User-agent (push) Failing after 15s
Lock Threads / lock (push) Failing after 10s
Waiting for answer. / waiting-for-answer (push) Failing after 22s
Needs user action. / needs-user-action (push) Failing after 8s
Can't reproduce. / cant-reproduce (push) Failing after 8s
Close stale issues and PRs / stale (push) Has been cancelled
102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
// 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
|
|
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <vector>
|
|
#include <range/v3/core.hpp>
|
|
#include <range/v3/view/istream.hpp>
|
|
#include <range/v3/functional/reference_wrapper.hpp>
|
|
#include <range/v3/utility/copy.hpp>
|
|
#include <range/v3/view/iota.hpp>
|
|
#include <range/v3/view/replace.hpp>
|
|
#include <range/v3/view/common.hpp>
|
|
#include <range/v3/view/take.hpp>
|
|
#include "../simple_test.hpp"
|
|
#include "../test_utils.hpp"
|
|
|
|
int main()
|
|
{
|
|
using namespace ranges;
|
|
|
|
std::string str{"1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 "};
|
|
std::stringstream sin{str};
|
|
|
|
{
|
|
auto rng = istream<int>(sin) | views::replace(1, 42);
|
|
CPP_assert(same_as<range_value_t<decltype((rng))>, int>);
|
|
has_type<int const &>(*begin(rng));
|
|
CPP_assert(view_<decltype(rng)>);
|
|
CPP_assert(!sized_range<decltype(rng)>);
|
|
CPP_assert(!common_range<decltype(rng)>);
|
|
CPP_assert(input_iterator<decltype(begin(rng))>);
|
|
CPP_assert(!forward_iterator<decltype(begin(rng))>);
|
|
|
|
auto tmp = rng | views::common;
|
|
CPP_assert(same_as<range_value_t<decltype((tmp))>, int>);
|
|
has_type<int const &>(*begin(tmp));
|
|
CPP_assert(view_<decltype(tmp)>);
|
|
CPP_assert(common_range<decltype(tmp)>);
|
|
CPP_assert(!sized_range<decltype(tmp)>);
|
|
CPP_assert(input_iterator<decltype(begin(tmp))>);
|
|
CPP_assert(!forward_iterator<decltype(begin(tmp))>);
|
|
std::vector<int> actual{begin(tmp), end(tmp)};
|
|
::check_equal(actual, {42, 2, 3, 4, 5, 6, 7, 8, 9, 42, 2, 3, 4, 5, 6, 7, 8, 9, 42, 2, 3, 4, 5, 6, 7, 8, 9});
|
|
}
|
|
|
|
std::vector<int> rgi{1,2,3,4,5,6,7,8,9};
|
|
|
|
{
|
|
auto rng2 = rgi | views::replace(5, 42);
|
|
CPP_assert(same_as<range_value_t<decltype((rng2))>, int>);
|
|
has_type<int const &>(*begin(rng2));
|
|
has_type<int const &>(iter_move(begin(rng2)));
|
|
CPP_assert(view_<decltype(rng2)>);
|
|
CPP_assert(sized_range<decltype(rng2)>);
|
|
CPP_assert(common_range<decltype(rng2)>);
|
|
CPP_assert(random_access_iterator<decltype(begin(rng2))>);
|
|
::check_equal(rng2, {1,2,3,4,42,6,7,8,9});
|
|
}
|
|
|
|
{
|
|
int forty_two = 42;
|
|
auto rng3 = rgi | views::replace(5, ref(forty_two));
|
|
CPP_assert(same_as<range_value_t<decltype((rng3))>, int>);
|
|
has_type<int &>(*begin(rng3));
|
|
has_type<int const &>(iter_move(begin(rng3)));
|
|
CPP_assert(view_<decltype(rng3)>);
|
|
CPP_assert(sized_range<decltype(rng3)>);
|
|
CPP_assert(common_range<decltype(rng3)>);
|
|
CPP_assert(random_access_iterator<decltype(begin(rng3))>);
|
|
::check_equal(rng3, {1,2,3,4,42,6,7,8,9});
|
|
}
|
|
|
|
{
|
|
auto rng4 = views::ints | views::replace(5,42) | views::take(10);
|
|
CPP_assert(same_as<range_value_t<decltype((rng4))>, int>);
|
|
has_type<int>(*begin(rng4));
|
|
has_type<int>(iter_move(begin(rng4)));
|
|
CPP_assert(view_<decltype(rng4)>);
|
|
CPP_assert(sized_range<decltype(rng4)>);
|
|
CPP_assert(!common_range<decltype(rng4)>);
|
|
CPP_assert(random_access_iterator<decltype(begin(rng4))>);
|
|
::check_equal(rng4, {0,1,2,3,4,42,6,7,8,9});
|
|
}
|
|
|
|
{
|
|
int const some_ints[] = {1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9};
|
|
auto rng = debug_input_view<int const>{some_ints} | views::replace(1, 42);
|
|
::check_equal(rng, {42,2,3,4,5,6,7,8,9,42,2,3,4,5,6,7,8,9,42,2,3,4,5,6,7,8,9});
|
|
}
|
|
|
|
return test_result();
|
|
}
|