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// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/experimental/view.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/length.hpp>
#include <support/seq.hpp>
namespace hana = boost::hana;
template <int> struct undefined { };
int main() {
auto container = ::seq;
{
auto storage1 = container();
auto storage2 = container();
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(joined),
hana::size_c<0>
));
}
{
auto storage1 = container(undefined<0>{});
auto storage2 = container();
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(joined),
hana::size_c<1>
));
}
{
auto storage1 = container();
auto storage2 = container(undefined<0>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(joined),
hana::size_c<1>
));
}
{
auto storage1 = container(undefined<0>{});
auto storage2 = container(undefined<1>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(joined),
hana::size_c<2>
));
}
{
auto storage1 = container(undefined<0>{});
auto storage2 = container(undefined<1>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(joined),
hana::size_c<2>
));
}
{
auto storage1 = container(undefined<0>{}, undefined<1>{});
auto storage2 = container(undefined<2>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(joined),
hana::size_c<3>
));
}
{
auto storage1 = container(undefined<0>{}, undefined<1>{}, undefined<2>{});
auto storage2 = container(undefined<3>{}, undefined<4>{});
auto joined = hana::experimental::joined(storage1, storage2);
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::length(joined),
hana::size_c<5>
));
}
}
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