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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)
#include <vector>
#include <range/v3/core.hpp>
#include <range/v3/view/iota.hpp>
#include <range/v3/algorithm/move.hpp>
#include <range/v3/action/take_while.hpp>
#include "../simple_test.hpp"
#include "../test_utils.hpp"
int main()
{
using namespace ranges;
using namespace std::placeholders;
auto v = views::ints(1,21) | to<std::vector>();
auto & v2 = actions::take_while(v, std::bind(std::less<int>(), _1, 18));
CHECK(&v2 == &v);
CHECK(v.size() == 17u);
CHECK(v.back() == 17);
v = std::move(v) | actions::take_while([](int i){return i < 15;});
CHECK(v.size() == 14u);
CHECK(v.back() == 14);
v |= actions::take_while([](int i){return i < 12;});
CHECK(v.size() == 11u);
CHECK(v.back() == 11);
v |= actions::take_while([](int){return true;});
CHECK(v.size() == 11u);
v |= actions::take_while([](int){return false;});
CHECK(v.size() == 0u);
return ::test_result();
}
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