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307d3d0ec8
- Split type class instances into separate files - Instances provided automatically by a type class are actually MCDs - Test each instance in a single file, not one file per method - Refactor the operator system to fix the ADL-related bug.
53 lines
1.4 KiB
C++
53 lines
1.4 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/ext/std/array.hpp>
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#include <boost/hana/detail/assert.hpp>
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#include <boost/hana/foreign.hpp>
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#include <array>
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#include <test/laws/iterable.hpp>
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using namespace boost::hana;
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template <int ...i>
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constexpr auto array = std::array<int, sizeof...(i)>{{i...}};
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int main() {
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// is_empty
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{
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BOOST_HANA_CONSTANT_ASSERT(is_empty(array<>));
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BOOST_HANA_CONSTANT_ASSERT(not_(is_empty(array<0>)));
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BOOST_HANA_CONSTANT_ASSERT(not_(is_empty(array<0, 1>)));
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}
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// head
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{
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BOOST_HANA_CONSTEXPR_ASSERT(head(array<0>) == 0);
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BOOST_HANA_CONSTEXPR_ASSERT(head(array<0, 1>) == 0);
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BOOST_HANA_CONSTEXPR_ASSERT(head(array<0, 1, 2>) == 0);
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}
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// tail
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{
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BOOST_HANA_CONSTANT_ASSERT(equal(tail(array<0>), array<>));
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BOOST_HANA_CONSTEXPR_ASSERT(equal(tail(array<0, 1>), array<1>));
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BOOST_HANA_CONSTEXPR_ASSERT(equal(tail(array<0, 1, 2>), array<1, 2>));
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BOOST_HANA_CONSTEXPR_ASSERT(equal(tail(array<0, 1, 2, 3>), array<1, 2, 3>));
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}
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// laws
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{
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BOOST_HANA_CONSTEXPR_ASSERT(Iterable_laws(
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array<>,
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array<0>,
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array<0, 1>,
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array<0, 1, 2>
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));
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}
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}
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