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 U1, class U2>
15 //   tuple(allocator_arg_t, const Alloc& a, const pair<U1, U2>&);
16 
17 #include <tuple>
18 #include <utility>
19 #include <cassert>
20 
21 #include "../allocators.h"
22 #include "../alloc_first.h"
23 #include "../alloc_last.h"
24 
25 int main()
26 {
27     {
28         typedef std::pair<double, int> T0;
29         typedef std::tuple<int, double> T1;
30         T0 t0(2, 3);
31         T1 t1(std::allocator_arg, A1<int>(5), t0);
32         assert(std::get<0>(t1) == 2);
33         assert(std::get<1>(t1) == 3);
34     }
35     {
36         typedef std::pair<int, int> T0;
37         typedef std::tuple<alloc_first, double> T1;
38         T0 t0(2, 3);
39         alloc_first::allocator_constructed = false;
40         T1 t1(std::allocator_arg, A1<int>(5), t0);
41         assert(alloc_first::allocator_constructed);
42         assert(std::get<0>(t1) == 2);
43         assert(std::get<1>(t1) == 3);
44     }
45     {
46         typedef std::pair<int, int> T0;
47         typedef std::tuple<alloc_first, alloc_last> T1;
48         T0 t0(2, 3);
49         alloc_first::allocator_constructed = false;
50         alloc_last::allocator_constructed = false;
51         T1 t1(std::allocator_arg, A1<int>(5), t0);
52         assert(alloc_first::allocator_constructed);
53         assert(alloc_last::allocator_constructed);
54         assert(std::get<0>(t1) == 2);
55         assert(std::get<1>(t1) == 3);
56     }
57 }
58