1
2 // Copyright 2015 Peter Dimov.
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 //
6 // See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt
8
9
10 #include <boost/core/lightweight_test_trait.hpp>
11 #include <boost/mp11/list.hpp>
12 #include <type_traits>
13 #include <tuple>
14 #include <utility>
15
16 struct X1 {};
17 struct X2 {};
18 struct X3 {};
19 struct X4 {};
20 struct X5 {};
21 struct X6 {};
22
main()23 int main()
24 {
25 using boost::mp11::mp_list;
26 using boost::mp11::mp_append;
27
28 using L1 = mp_list<char[1], char[1]>;
29 using L2 = mp_list<char[2], char[2]>;
30 using L3 = mp_list<char[3], char[3]>;
31 using L4 = mp_list<char[4], char[4]>;
32
33 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<>, mp_list<>>));
34 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<L1>, mp_list<char[1], char[1]>>));
35 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<L1, L2>, mp_list<char[1], char[1], char[2], char[2]>>));
36 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<L1, L2, L3>, mp_list<char[1], char[1], char[2], char[2], char[3], char[3]>>));
37 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<L1, L2, L3, L4>, mp_list<char[1], char[1], char[2], char[2], char[3], char[3], char[4], char[4]>>));
38
39 //
40
41 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>>, std::tuple<>>));
42 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::tuple<X1>>, std::tuple<X1>>));
43 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::tuple<X1>, std::tuple<X2>>, std::tuple<X1, X2>>));
44 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::tuple<X1>, std::tuple<X2>, std::tuple<X3>>, std::tuple<X1, X2, X3>>));
45 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::tuple<X1>, std::tuple<X2>, std::tuple<X3>, std::tuple<X4>>, std::tuple<X1, X2, X3, X4>>));
46 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::tuple<X1>, std::tuple<X2>, std::tuple<X3>, std::tuple<X4>, std::tuple<X5>>, std::tuple<X1, X2, X3, X4, X5>>));
47 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::tuple<X1>, std::tuple<X2>, std::tuple<X3>, std::tuple<X4>, std::tuple<X5>, std::tuple<X6>>, std::tuple<X1, X2, X3, X4, X5, X6>>));
48
49 //
50
51 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, mp_list<>>, std::tuple<>>));
52 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, mp_list<X1>>, std::tuple<X1>>));
53 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, mp_list<X1>, std::tuple<X2>>, std::tuple<X1, X2>>));
54 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, mp_list<X1>, std::tuple<X2>, mp_list<X3>>, std::tuple<X1, X2, X3>>));
55 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, mp_list<X1>, std::tuple<X2>, mp_list<X3>, std::tuple<X4>>, std::tuple<X1, X2, X3, X4>>));
56 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, mp_list<X1>, std::tuple<X2>, mp_list<X3>, std::tuple<X4>, mp_list<X5>>, std::tuple<X1, X2, X3, X4, X5>>));
57 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, mp_list<X1>, std::tuple<X2>, mp_list<X3>, std::tuple<X4>, mp_list<X5>, std::tuple<X6>>, std::tuple<X1, X2, X3, X4, X5, X6>>));
58
59 //
60
61 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::pair<X1, X2>>, std::tuple<X1, X2>>));
62 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::pair<X1, X2>, std::pair<X3, X4>>, std::tuple<X1, X2, X3, X4>>));
63 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::tuple<>, std::pair<X1, X2>, std::pair<X3, X4>, std::pair<X5, X6>>, std::tuple<X1, X2, X3, X4, X5, X6>>));
64
65 //
66
67 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::pair<X1, X2>>, std::pair<X1, X2>>));
68 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::pair<X1, X2>, mp_list<>>, std::pair<X1, X2>>));
69 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::pair<X1, X2>, mp_list<>, mp_list<>>, std::pair<X1, X2>>));
70 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::pair<X1, X2>, mp_list<>, mp_list<>, mp_list<>>, std::pair<X1, X2>>));
71 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_append<std::pair<X1, X2>, mp_list<>, mp_list<>, mp_list<>, mp_list<>>, std::pair<X1, X2>>));
72
73 //
74
75 return boost::report_errors();
76 }
77