1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <tuple>
11
12 // template <class... Types> class tuple;
13
14 // template <class... UTypes>
15 // tuple& operator=(tuple<UTypes...>&& u);
16
17 #include <tuple>
18 #include <string>
19 #include <memory>
20 #include <cassert>
21
22 struct B
23 {
24 int id_;
25
BB26 explicit B(int i= 0) : id_(i) {}
27
~BB28 virtual ~B() {}
29 };
30
31 struct D
32 : B
33 {
DD34 explicit D(int i) : B(i) {}
35 };
36
main()37 int main()
38 {
39 {
40 typedef std::tuple<double> T0;
41 typedef std::tuple<int> T1;
42 T0 t0(2.5);
43 T1 t1;
44 t1 = std::move(t0);
45 assert(std::get<0>(t1) == 2);
46 }
47 {
48 typedef std::tuple<double, char> T0;
49 typedef std::tuple<int, int> T1;
50 T0 t0(2.5, 'a');
51 T1 t1;
52 t1 = std::move(t0);
53 assert(std::get<0>(t1) == 2);
54 assert(std::get<1>(t1) == int('a'));
55 }
56 {
57 typedef std::tuple<double, char, D> T0;
58 typedef std::tuple<int, int, B> T1;
59 T0 t0(2.5, 'a', D(3));
60 T1 t1;
61 t1 = std::move(t0);
62 assert(std::get<0>(t1) == 2);
63 assert(std::get<1>(t1) == int('a'));
64 assert(std::get<2>(t1).id_ == 3);
65 }
66 {
67 D d(3);
68 D d2(2);
69 typedef std::tuple<double, char, D&> T0;
70 typedef std::tuple<int, int, B&> T1;
71 T0 t0(2.5, 'a', d2);
72 T1 t1(1.5, 'b', d);
73 t1 = std::move(t0);
74 assert(std::get<0>(t1) == 2);
75 assert(std::get<1>(t1) == int('a'));
76 assert(std::get<2>(t1).id_ == 2);
77 }
78 {
79 typedef std::tuple<double, char, std::unique_ptr<D>> T0;
80 typedef std::tuple<int, int, std::unique_ptr<B>> T1;
81 T0 t0(2.5, 'a', std::unique_ptr<D>(new D(3)));
82 T1 t1;
83 t1 = std::move(t0);
84 assert(std::get<0>(t1) == 2);
85 assert(std::get<1>(t1) == int('a'));
86 assert(std::get<2>(t1)->id_ == 3);
87 }
88 }
89