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 // tuple& operator=(tuple&& u);
15 
16 // UNSUPPORTED: c++98, c++03
17 
18 #include <tuple>
19 #include <utility>
20 #include <cassert>
21 
22 #include "MoveOnly.h"
23 
main()24 int main()
25 {
26     {
27         typedef std::tuple<> T;
28         T t0;
29         T t;
30         t = std::move(t0);
31     }
32     {
33         typedef std::tuple<MoveOnly> T;
34         T t0(MoveOnly(0));
35         T t;
36         t = std::move(t0);
37         assert(std::get<0>(t) == 0);
38     }
39     {
40         typedef std::tuple<MoveOnly, MoveOnly> T;
41         T t0(MoveOnly(0), MoveOnly(1));
42         T t;
43         t = std::move(t0);
44         assert(std::get<0>(t) == 0);
45         assert(std::get<1>(t) == 1);
46     }
47     {
48         typedef std::tuple<MoveOnly, MoveOnly, MoveOnly> T;
49         T t0(MoveOnly(0), MoveOnly(1), MoveOnly(2));
50         T t;
51         t = std::move(t0);
52         assert(std::get<0>(t) == 0);
53         assert(std::get<1>(t) == 1);
54         assert(std::get<2>(t) == 2);
55     }
56 }
57