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 Alloc, class... UTypes>
15 // tuple(allocator_arg_t, const Alloc& a, UTypes&&...);
16
17 #include <tuple>
18 #include <cassert>
19
20 #include "../MoveOnly.h"
21 #include "allocators.h"
22 #include "../alloc_first.h"
23 #include "../alloc_last.h"
24
main()25 int main()
26 {
27 {
28 std::tuple<MoveOnly> t(std::allocator_arg, A1<int>(), MoveOnly(0));
29 assert(std::get<0>(t) == 0);
30 }
31 {
32 std::tuple<MoveOnly, MoveOnly> t(std::allocator_arg, A1<int>(),
33 MoveOnly(0), MoveOnly(1));
34 assert(std::get<0>(t) == 0);
35 assert(std::get<1>(t) == 1);
36 }
37 {
38 std::tuple<MoveOnly, MoveOnly, MoveOnly> t(std::allocator_arg, A1<int>(),
39 MoveOnly(0),
40 1, 2);
41 assert(std::get<0>(t) == 0);
42 assert(std::get<1>(t) == 1);
43 assert(std::get<2>(t) == 2);
44 }
45 {
46 alloc_first::allocator_constructed = false;
47 alloc_last::allocator_constructed = false;
48 std::tuple<int, alloc_first, alloc_last> t(std::allocator_arg,
49 A1<int>(5), 1, 2, 3);
50 assert(std::get<0>(t) == 1);
51 assert(alloc_first::allocator_constructed);
52 assert(std::get<1>(t) == alloc_first(2));
53 assert(alloc_last::allocator_constructed);
54 assert(std::get<2>(t) == alloc_last(3));
55 }
56 // extensions
57 {
58 std::tuple<MoveOnly, MoveOnly, MoveOnly> t(std::allocator_arg, A1<int>(),
59 0, 1);
60 assert(std::get<0>(t) == 0);
61 assert(std::get<1>(t) == 1);
62 assert(std::get<2>(t) == MoveOnly());
63 }
64 {
65 std::tuple<MoveOnly, MoveOnly, MoveOnly> t(std::allocator_arg, A1<int>(),
66 0);
67 assert(std::get<0>(t) == 0);
68 assert(std::get<1>(t) == MoveOnly());
69 assert(std::get<2>(t) == MoveOnly());
70 }
71 }
72