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, const tuple<UTypes...>&);
16
17 // UNSUPPORTED: c++98, c++03
18
19 #include <tuple>
20 #include <cassert>
21
22 #include "allocators.h"
23 #include "../alloc_first.h"
24 #include "../alloc_last.h"
25
main()26 int main()
27 {
28 {
29 typedef std::tuple<double> T0;
30 typedef std::tuple<int> T1;
31 T0 t0(2.5);
32 T1 t1(std::allocator_arg, A1<int>(), t0);
33 assert(std::get<0>(t1) == 2);
34 }
35 {
36 typedef std::tuple<int> T0;
37 typedef std::tuple<alloc_first> T1;
38 T0 t0(2);
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 }
44 {
45 typedef std::tuple<int, int> T0;
46 typedef std::tuple<alloc_first, alloc_last> T1;
47 T0 t0(2, 3);
48 alloc_first::allocator_constructed = false;
49 alloc_last::allocator_constructed = false;
50 T1 t1(std::allocator_arg, A1<int>(5), t0);
51 assert(alloc_first::allocator_constructed);
52 assert(alloc_last::allocator_constructed);
53 assert(std::get<0>(t1) == 2);
54 assert(std::get<1>(t1) == 3);
55 }
56 {
57 typedef std::tuple<double, int, int> T0;
58 typedef std::tuple<int, alloc_first, alloc_last> T1;
59 T0 t0(1.5, 2, 3);
60 alloc_first::allocator_constructed = false;
61 alloc_last::allocator_constructed = false;
62 T1 t1(std::allocator_arg, A1<int>(5), t0);
63 assert(alloc_first::allocator_constructed);
64 assert(alloc_last::allocator_constructed);
65 assert(std::get<0>(t1) == 1);
66 assert(std::get<1>(t1) == 2);
67 assert(std::get<2>(t1) == 3);
68 }
69 }
70