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Diffstat (limited to 'src/boost/libs/hana/test/string/to.cpp')
-rw-r--r-- | src/boost/libs/hana/test/string/to.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/string/to.cpp b/src/boost/libs/hana/test/string/to.cpp new file mode 100644 index 000000000..68c3e00e6 --- /dev/null +++ b/src/boost/libs/hana/test/string/to.cpp @@ -0,0 +1,47 @@ +// 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/core/to.hpp> +#include <boost/hana/string.hpp> + +#include <cstring> +namespace hana = boost::hana; + + +static_assert(hana::is_convertible<hana::string_tag, char const*>{}, ""); +static_assert(!hana::is_embedded<hana::string_tag, char const*>{}, ""); + +int main() { + BOOST_HANA_RUNTIME_CHECK(std::strcmp( + hana::to<char const*>(BOOST_HANA_STRING("")), + "" + ) == 0); + + BOOST_HANA_RUNTIME_CHECK(std::strcmp( + hana::to<char const*>(BOOST_HANA_STRING("a")), + "a" + ) == 0); + + BOOST_HANA_RUNTIME_CHECK(std::strcmp( + hana::to<char const*>(BOOST_HANA_STRING("ab")), + "ab" + ) == 0); + + BOOST_HANA_RUNTIME_CHECK(std::strcmp( + hana::to<char const*>(BOOST_HANA_STRING("abc")), + "abc" + ) == 0); + + BOOST_HANA_RUNTIME_CHECK(std::strcmp( + hana::to<char const*>(BOOST_HANA_STRING("abcd")), + "abcd" + ) == 0); + + // make sure we can turn a non-constexpr hana::string + // into a constexpr char const* + auto str = BOOST_HANA_STRING("abcdef"); + constexpr char const* c_str = hana::to<char const*>(str); + (void)c_str; +} |