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 Types&...);
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 std::tuple<int> t(std::allocator_arg, A1<int>(), 3);
30 assert(std::get<0>(t) == 3);
31 }
32 {
33 assert(!alloc_first::allocator_constructed);
34 std::tuple<alloc_first> t(std::allocator_arg, A1<int>(5), alloc_first(3));
35 assert(alloc_first::allocator_constructed);
36 assert(std::get<0>(t) == alloc_first(3));
37 }
38 {
39 assert(!alloc_last::allocator_constructed);
40 std::tuple<alloc_last> t(std::allocator_arg, A1<int>(5), alloc_last(3));
41 assert(alloc_last::allocator_constructed);
42 assert(std::get<0>(t) == alloc_last(3));
43 }
44 {
45 alloc_first::allocator_constructed = false;
46 std::tuple<int, alloc_first> t(std::allocator_arg, A1<int>(5),
47 10, alloc_first(15));
48 assert(std::get<0>(t) == 10);
49 assert(alloc_first::allocator_constructed);
50 assert(std::get<1>(t) == alloc_first(15));
51 }
52 {
53 alloc_first::allocator_constructed = false;
54 alloc_last::allocator_constructed = false;
55 std::tuple<int, alloc_first, alloc_last> t(std::allocator_arg,
56 A1<int>(5), 1, alloc_first(2),
57 alloc_last(3));
58 assert(std::get<0>(t) == 1);
59 assert(alloc_first::allocator_constructed);
60 assert(std::get<1>(t) == alloc_first(2));
61 assert(alloc_last::allocator_constructed);
62 assert(std::get<2>(t) == alloc_last(3));
63 }
64 {
65 alloc_first::allocator_constructed = false;
66 alloc_last::allocator_constructed = false;
67 std::tuple<int, alloc_first, alloc_last> t(std::allocator_arg,
68 A2<int>(5), 1, alloc_first(2),
69 alloc_last(3));
70 assert(std::get<0>(t) == 1);
71 assert(!alloc_first::allocator_constructed);
72 assert(std::get<1>(t) == alloc_first(2));
73 assert(!alloc_last::allocator_constructed);
74 assert(std::get<2>(t) == alloc_last(3));
75 }
76 }
77