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/mp11/algorithm.hpp>
11 #include <boost/mp11/list.hpp>
12 #include <boost/mp11/integral.hpp>
13 #include <boost/core/lightweight_test_trait.hpp>
14 #include <type_traits>
15 #include <tuple>
16
17 using boost::mp11::mp_bool;
18
19 template<class T, class U> using sizeof_less = mp_bool<(sizeof(T) < sizeof(U))>;
20
main()21 int main()
22 {
23 using boost::mp11::mp_list;
24 using boost::mp11::mp_sort;
25
26 {
27 using L1 = mp_list<>;
28
29 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort<L1, sizeof_less>, L1>));
30
31 using L2 = mp_list<char[2], char[4], char[3], char[1]>;
32
33 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort<L2, sizeof_less>, mp_list<char[1], char[2], char[3], char[4]>>));
34
35 using L3 = mp_list<char[2], char[4], char[2], char[3], char[1], char[2], char[1]>;
36
37 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort<L3, sizeof_less>, mp_list<char[1], char[1], char[2], char[2], char[2], char[3], char[4]>>));
38 }
39
40 {
41 using L1 = std::tuple<>;
42
43 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort<L1, sizeof_less>, L1>));
44
45 using L2 = std::tuple<char[2], char[4], char[3], char[1]>;
46
47 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort<L2, sizeof_less>, std::tuple<char[1], char[2], char[3], char[4]>>));
48
49 using L3 = std::tuple<char[2], char[4], char[2], char[3], char[1], char[2], char[1]>;
50
51 BOOST_TEST_TRAIT_TRUE((std::is_same<mp_sort<L3, sizeof_less>, std::tuple<char[1], char[1], char[2], char[2], char[2], char[3], char[4]>>));
52 }
53
54 return boost::report_errors();
55 }
56