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62 lines
3.1 KiB
C++
62 lines
3.1 KiB
C++
/*
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@copyright Louis Dionne 2014
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/range.hpp>
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#include <boost/hana/detail/static_assert.hpp>
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#include <boost/hana/integral.hpp>
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using namespace boost::hana;
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void test_drop() {
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BOOST_HANA_STATIC_ASSERT(drop(int_<0>, range(int_<0>, int_<0>)) == range(int_<0>, int_<0>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<1>, range(int_<0>, int_<0>)) == range(int_<0>, int_<0>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<2>, range(int_<0>, int_<0>)) == range(int_<0>, int_<0>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<0>, range(int_<0>, int_<1>)) == range(int_<0>, int_<1>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<1>, range(int_<0>, int_<1>)) == range(int_<1>, int_<1>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<2>, range(int_<0>, int_<1>)) == range(int_<1>, int_<1>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<0>, range(int_<0>, int_<2>)) == range(int_<0>, int_<2>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<1>, range(int_<0>, int_<2>)) == range(int_<1>, int_<2>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<2>, range(int_<0>, int_<2>)) == range(int_<2>, int_<2>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<0>, range(int_<0>, int_<3>)) == range(int_<0>, int_<3>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<1>, range(int_<0>, int_<3>)) == range(int_<1>, int_<3>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<2>, range(int_<0>, int_<3>)) == range(int_<2>, int_<3>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<3>, range(int_<0>, int_<3>)) == range(int_<3>, int_<3>));
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BOOST_HANA_STATIC_ASSERT(drop(int_<10>, range(int_<20>, int_<50>)) == range(int_<30>, int_<50>));
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}
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int main() {
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BOOST_HANA_STATIC_ASSERT(is_empty(range(int_<0>, int_<0>)));
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BOOST_HANA_STATIC_ASSERT(!is_empty(range(int_<0>, int_<1>)));
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BOOST_HANA_STATIC_ASSERT(!is_empty(range(int_<0>, int_<2>)));
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BOOST_HANA_STATIC_ASSERT(head(range(int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(head(range(int_<0>, int_<2>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(head(range(int_<2>, int_<5>)) == int_<2>);
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BOOST_HANA_STATIC_ASSERT(head(range(int_<5>, int_<6>)) == int_<5>);
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BOOST_HANA_STATIC_ASSERT(tail(range(int_<0>, int_<1>)) == range(int_<1>, int_<1>));
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BOOST_HANA_STATIC_ASSERT(tail(range(int_<0>, int_<2>)) == range(int_<1>, int_<2>));
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BOOST_HANA_STATIC_ASSERT(tail(range(int_<0>, int_<3>)) == range(int_<1>, int_<3>));
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BOOST_HANA_STATIC_ASSERT(tail(range(int_<4>, int_<7>)) == range(int_<5>, int_<7>));
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BOOST_HANA_STATIC_ASSERT(at(int_<0>, range(int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(at(int_<0>, range(int_<0>, int_<2>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(at(int_<1>, range(int_<0>, int_<2>)) == int_<1>);
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BOOST_HANA_STATIC_ASSERT(at(int_<46>, range(int_<4>, int_<90>)) == int_<50>);
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BOOST_HANA_STATIC_ASSERT(last(range(int_<0>, int_<1>)) == int_<0>);
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BOOST_HANA_STATIC_ASSERT(last(range(int_<0>, int_<2>)) == int_<1>);
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BOOST_HANA_STATIC_ASSERT(last(range(int_<0>, int_<3>)) == int_<2>);
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BOOST_HANA_STATIC_ASSERT(last(range(int_<3>, int_<6>)) == int_<5>);
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test_drop();
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}
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