diff options
Diffstat (limited to 'src/boost/libs/mp11/test/mp_replace_third.cpp')
-rw-r--r-- | src/boost/libs/mp11/test/mp_replace_third.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/boost/libs/mp11/test/mp_replace_third.cpp b/src/boost/libs/mp11/test/mp_replace_third.cpp new file mode 100644 index 000000000..c1b53b53b --- /dev/null +++ b/src/boost/libs/mp11/test/mp_replace_third.cpp @@ -0,0 +1,48 @@ + +// 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/algorithm.hpp> +#include <boost/mp11/list.hpp> +#include <boost/core/lightweight_test_trait.hpp> +#include <type_traits> +#include <tuple> +#include <utility> + +struct X1 {}; +struct X2 {}; +struct X3 {}; +struct X4 {}; + +int main() +{ + using boost::mp11::mp_list; + using boost::mp11::mp_replace_third; + + { + using L3 = mp_list<X1, X2, X3>; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L3, void>, mp_list<X1, X2, void>>)); + + using L4 = mp_list<X1, X2, X3, X4>; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L4, void>, mp_list<X1, X2, void, X4>>)); + } + + { + using L3 = std::tuple<X1, X2, X3>; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L3, void>, std::tuple<X1, X2, void>>)); + + using L4 = std::tuple<X1, X2, X3, X4>; + + BOOST_TEST_TRAIT_TRUE((std::is_same<mp_replace_third<L4, void>, std::tuple<X1, X2, void, X4>>)); + } + + return boost::report_errors(); +} |