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1 | // Copyright 2021 Peter Dimov |
2 | // Distributed under the Boost Software License, Version 1.0. | |
3 | // https://www.boost.org/LICENSE_1_0.txt | |
4 | ||
5 | #include <boost/mp11/algorithm.hpp> | |
6 | #include <boost/mp11/list.hpp> | |
7 | #include <boost/core/lightweight_test_trait.hpp> | |
8 | #include <type_traits> | |
9 | #include <tuple> | |
10 | #include <utility> | |
11 | ||
12 | struct X1 {}; | |
13 | struct X2 {}; | |
14 | struct X3 {}; | |
15 | struct X4 {}; | |
16 | ||
17 | struct S {}; | |
18 | ||
19 | int main() | |
20 | { | |
21 | using boost::mp11::mp_list; | |
22 | using boost::mp11::mp_split; | |
23 | ||
24 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<>, void>, mp_list<mp_list<>>>)); | |
25 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<X1>, void>, mp_list<mp_list<X1>>>)); | |
26 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<X1, X2>, void>, mp_list<mp_list<X1, X2>>>)); | |
27 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<X1, X2, X3>, void>, mp_list<mp_list<X1, X2, X3>>>)); | |
28 | ||
29 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<S>, S>, mp_list<mp_list<>, mp_list<>>>)); | |
30 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<S, S>, S>, mp_list<mp_list<>, mp_list<>, mp_list<>>>)); | |
31 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<S, S, S>, S>, mp_list<mp_list<>, mp_list<>, mp_list<>, mp_list<>>>)); | |
32 | ||
33 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<X1, S, X2>, S>, mp_list<mp_list<X1>, mp_list<X2>>>)); | |
34 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<X1, X2, S, X3, X4>, S>, mp_list<mp_list<X1, X2>, mp_list<X3, X4>>>)); | |
35 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<mp_list<S, X1, X2, S, S, X3, X4, S>, S>, mp_list<mp_list<>, mp_list<X1, X2>, mp_list<>, mp_list<X3, X4>, mp_list<>>>)); | |
36 | ||
37 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<>, void>, std::tuple<std::tuple<>>>)); | |
38 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<X1>, void>, std::tuple<std::tuple<X1>>>)); | |
39 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<X1, X2>, void>, std::tuple<std::tuple<X1, X2>>>)); | |
40 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<X1, X2, X3>, void>, std::tuple<std::tuple<X1, X2, X3>>>)); | |
41 | ||
42 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<S>, S>, std::tuple<std::tuple<>, std::tuple<>>>)); | |
43 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<S, S>, S>, std::tuple<std::tuple<>, std::tuple<>, std::tuple<>>>)); | |
44 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<S, S, S>, S>, std::tuple<std::tuple<>, std::tuple<>, std::tuple<>, std::tuple<>>>)); | |
45 | ||
46 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<X1, S, X2>, S>, std::tuple<std::tuple<X1>, std::tuple<X2>>>)); | |
47 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<X1, X2, S, X3, X4>, S>, std::tuple<std::tuple<X1, X2>, std::tuple<X3, X4>>>)); | |
48 | BOOST_TEST_TRAIT_TRUE((std::is_same<mp_split<std::tuple<S, X1, X2, S, S, X3, X4, S>, S>, std::tuple<std::tuple<>, std::tuple<X1, X2>, std::tuple<>, std::tuple<X3, X4>, std::tuple<>>>)); | |
49 | ||
50 | return boost::report_errors(); | |
51 | } |