diff options
Diffstat (limited to 'src/boost/libs/mp11/test/mp_eval_if.cpp')
-rw-r--r-- | src/boost/libs/mp11/test/mp_eval_if.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/boost/libs/mp11/test/mp_eval_if.cpp b/src/boost/libs/mp11/test/mp_eval_if.cpp new file mode 100644 index 000000000..7e44c6750 --- /dev/null +++ b/src/boost/libs/mp11/test/mp_eval_if.cpp @@ -0,0 +1,52 @@ + +// Copyright 2015, 2017 Peter Dimov. +// +// Distributed under the Boost Software License, Version 1.0. +// +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt + + +#include <boost/mp11/utility.hpp> +#include <boost/mp11/integral.hpp> +#include <boost/core/lightweight_test_trait.hpp> +#include <type_traits> + +int main() +{ + using boost::mp11::mp_eval_if_c; + using boost::mp11::mp_identity; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_c<true, char[], mp_identity, void, void, void>, char[]>)); + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_c<false, char[], mp_identity, void()>, mp_identity<void()>>)); + + using boost::mp11::mp_eval_if; + using boost::mp11::mp_eval_if_q; + using boost::mp11::mp_quote; + + using qt_identity = mp_quote<mp_identity>; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if<std::true_type, char[], mp_identity, void, void, void>, char[]>)); + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if<std::false_type, char[], mp_identity, void()>, mp_identity<void()>>)); + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_q<std::true_type, char[], qt_identity, void, void, void>, char[]>)); + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_q<std::false_type, char[], qt_identity, void()>, mp_identity<void()>>)); + + using boost::mp11::mp_int; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if<mp_int<-7>, char[], mp_identity, void, void, void>, char[]>)); + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if<mp_int<0>, char[], mp_identity, void()>, mp_identity<void()>>)); + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_q<mp_int<-7>, char[], qt_identity, void, void, void>, char[]>)); + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_q<mp_int<0>, char[], qt_identity, void()>, mp_identity<void()>>)); + + using boost::mp11::mp_size_t; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if<mp_size_t<14>, char[], mp_identity, void, void, void>, char[]>)); + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if<mp_size_t<0>, char[], mp_identity, void()>, mp_identity<void()>>)); + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_q<mp_size_t<14>, char[], qt_identity, void, void, void>, char[]>)); + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_eval_if_q<mp_size_t<0>, char[], qt_identity, void()>, mp_identity<void()>>)); + + return boost::report_errors(); +} |