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>
15 // tuple(allocator_arg_t, const Alloc& a, const tuple&);
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<> T;
30 T t0;
31 T t(std::allocator_arg, A1<int>(), t0);
32 }
33 {
34 typedef std::tuple<int> T;
35 T t0(2);
36 T t(std::allocator_arg, A1<int>(), t0);
37 assert(std::get<0>(t) == 2);
38 }
39 {
40 typedef std::tuple<alloc_first> T;
41 T t0(2);
42 alloc_first::allocator_constructed = false;
43 T t(std::allocator_arg, A1<int>(5), t0);
44 assert(alloc_first::allocator_constructed);
45 assert(std::get<0>(t) == 2);
46 }
47 {
48 typedef std::tuple<alloc_last> T;
49 T t0(2);
50 alloc_last::allocator_constructed = false;
51 T t(std::allocator_arg, A1<int>(5), t0);
52 assert(alloc_last::allocator_constructed);
53 assert(std::get<0>(t) == 2);
54 }
55 {
56 typedef std::tuple<alloc_first, alloc_last> T;
57 T t0(2, 3);
58 alloc_first::allocator_constructed = false;
59 alloc_last::allocator_constructed = false;
60 T t(std::allocator_arg, A1<int>(5), t0);
61 assert(alloc_first::allocator_constructed);
62 assert(alloc_last::allocator_constructed);
63 assert(std::get<0>(t) == 2);
64 assert(std::get<1>(t) == 3);
65 }
66 {
67 typedef std::tuple<int, alloc_first, alloc_last> T;
68 T t0(1, 2, 3);
69 alloc_first::allocator_constructed = false;
70 alloc_last::allocator_constructed = false;
71 T t(std::allocator_arg, A1<int>(5), t0);
72 assert(alloc_first::allocator_constructed);
73 assert(alloc_last::allocator_constructed);
74 assert(std::get<0>(t) == 1);
75 assert(std::get<1>(t) == 2);
76 assert(std::get<2>(t) == 3);
77 }
78 }
79