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b32b8144 FG |
1 | |
2 | // Copyright 2015, 2017 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 | ||
11fdf7f2 TL |
10 | #if defined(_MSC_VER) |
11 | #pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data | |
12 | #endif | |
13 | ||
b32b8144 FG |
14 | #include <boost/mp11/tuple.hpp> |
15 | #include <boost/core/lightweight_test.hpp> | |
16 | #include <tuple> | |
17 | #include <memory> | |
18 | #include <utility> | |
19 | #include <array> | |
20 | ||
21 | int main() | |
22 | { | |
23 | using boost::mp11::tuple_apply; | |
24 | ||
25 | { | |
26 | std::tuple<int, short, char> tp{ 1, 2, 3 }; | |
27 | ||
28 | { | |
29 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp ); | |
30 | BOOST_TEST_EQ( s, 123 ); | |
31 | } | |
32 | ||
33 | { | |
34 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) ); | |
35 | BOOST_TEST_EQ( s, 123 ); | |
36 | } | |
37 | } | |
38 | ||
39 | { | |
40 | std::tuple<int, short, char> const tp{ 1, 2, 3 }; | |
41 | ||
42 | { | |
43 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp ); | |
44 | BOOST_TEST_EQ( s, 123 ); | |
45 | } | |
46 | ||
47 | { | |
48 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) ); | |
49 | BOOST_TEST_EQ( s, 123 ); | |
50 | } | |
51 | } | |
52 | ||
53 | #if defined( __clang_major__ ) && __clang_major__ == 3 && __clang_minor__ < 8 | |
54 | #else | |
55 | ||
56 | { | |
57 | std::tuple<std::unique_ptr<int>, std::unique_ptr<int>, std::unique_ptr<int>> tp{ std::unique_ptr<int>(new int(1)), std::unique_ptr<int>(new int(2)), std::unique_ptr<int>(new int(3)) }; | |
58 | ||
59 | int s = tuple_apply( [&]( std::unique_ptr<int> px, std::unique_ptr<int> py, std::unique_ptr<int> pz ){ return 100 * *px + 10 * *py + *pz; }, std::move(tp) ); | |
60 | BOOST_TEST_EQ( s, 123 ); | |
61 | } | |
62 | ||
63 | #endif | |
64 | ||
65 | { | |
66 | std::pair<int, short> tp{ 1, 2 }; | |
67 | ||
68 | { | |
69 | int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, tp ); | |
70 | BOOST_TEST_EQ( s, 12 ); | |
71 | } | |
72 | ||
73 | { | |
74 | int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, std::move(tp) ); | |
75 | BOOST_TEST_EQ( s, 12 ); | |
76 | } | |
77 | } | |
78 | ||
79 | { | |
80 | std::pair<int, short> const tp{ 1, 2 }; | |
81 | ||
82 | { | |
83 | int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, tp ); | |
84 | BOOST_TEST_EQ( s, 12 ); | |
85 | } | |
86 | ||
87 | { | |
88 | int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, std::move(tp) ); | |
89 | BOOST_TEST_EQ( s, 12 ); | |
90 | } | |
91 | } | |
92 | ||
93 | { | |
94 | std::array<int, 3> tp{{ 1, 2, 3 }}; | |
95 | ||
96 | { | |
97 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp ); | |
98 | BOOST_TEST_EQ( s, 123 ); | |
99 | } | |
100 | ||
101 | { | |
102 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) ); | |
103 | BOOST_TEST_EQ( s, 123 ); | |
104 | } | |
105 | } | |
106 | ||
107 | { | |
108 | std::array<int, 3> const tp{{ 1, 2, 3 }}; | |
109 | ||
110 | { | |
111 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp ); | |
112 | BOOST_TEST_EQ( s, 123 ); | |
113 | } | |
114 | ||
115 | { | |
116 | int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) ); | |
117 | BOOST_TEST_EQ( s, 123 ); | |
118 | } | |
119 | } | |
120 | ||
121 | { | |
122 | std::tuple<> tp; | |
123 | ||
124 | BOOST_TEST_EQ( tuple_apply( []{ return 11; }, tp ), 11 ); | |
125 | BOOST_TEST_EQ( tuple_apply( []{ return 12; }, std::move( tp ) ), 12 ); | |
126 | } | |
127 | ||
128 | { | |
129 | std::array<int, 0> tp; | |
130 | ||
131 | BOOST_TEST_EQ( tuple_apply( []{ return 11; }, tp ), 11 ); | |
132 | BOOST_TEST_EQ( tuple_apply( []{ return 12; }, std::move( tp ) ), 12 ); | |
133 | } | |
134 | ||
135 | return boost::report_errors(); | |
136 | } |