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Diffstat (limited to '')
-rw-r--r-- | src/boost/libs/hana/test/type/sizeof.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/type/sizeof.cpp b/src/boost/libs/hana/test/type/sizeof.cpp new file mode 100644 index 000000000..85110d295 --- /dev/null +++ b/src/boost/libs/hana/test/type/sizeof.cpp @@ -0,0 +1,32 @@ +// 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/integral_constant.hpp> +#include <boost/hana/type.hpp> +namespace hana = boost::hana; + + +struct T { }; + +int main() { + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::sizeof_(T{}), + hana::size_c<sizeof(T)> + )); + + BOOST_HANA_CONSTANT_CHECK(hana::equal( + hana::sizeof_(hana::type_c<T>), + hana::size_c<sizeof(T)> + )); + + // make sure we don't read from non-constexpr variables + { + auto t = hana::type_c<T>; + auto x = 1; + constexpr auto r1 = hana::sizeof_(t); (void)r1; + constexpr auto r2 = hana::sizeof_(x); (void)r2; + } +} |