diff options
Diffstat (limited to 'src/boost/libs/hana/test/experimental/view/empty')
3 files changed, 61 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/experimental/view/empty/is_empty.cpp b/src/boost/libs/hana/test/experimental/view/empty/is_empty.cpp new file mode 100644 index 000000000..c3efb7e25 --- /dev/null +++ b/src/boost/libs/hana/test/experimental/view/empty/is_empty.cpp @@ -0,0 +1,16 @@ +// 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/experimental/view.hpp> +#include <boost/hana/is_empty.hpp> +namespace hana = boost::hana; + + +int main() { + { + auto empty = hana::experimental::empty_view(); + BOOST_HANA_CONSTANT_CHECK(hana::is_empty(empty)); + } +} diff --git a/src/boost/libs/hana/test/experimental/view/empty/length.cpp b/src/boost/libs/hana/test/experimental/view/empty/length.cpp new file mode 100644 index 000000000..3325ec9c7 --- /dev/null +++ b/src/boost/libs/hana/test/experimental/view/empty/length.cpp @@ -0,0 +1,21 @@ +// 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> +namespace hana = boost::hana; + + +int main() { + { + auto empty = hana::experimental::empty_view(); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::length(empty), + hana::size_c<0> + )); + } +} diff --git a/src/boost/libs/hana/test/experimental/view/empty/unpack.cpp b/src/boost/libs/hana/test/experimental/view/empty/unpack.cpp new file mode 100644 index 000000000..6942e35af --- /dev/null +++ b/src/boost/libs/hana/test/experimental/view/empty/unpack.cpp @@ -0,0 +1,24 @@ +// 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/unpack.hpp> + +#include <laws/base.hpp> +namespace hana = boost::hana; + + +int main() { + auto f = hana::test::_injection<0>{}; + + { + auto empty = hana::experimental::empty_view(); + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::unpack(empty, f), + f() + )); + } +} |