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 // UNSUPPORTED: c++98, c++03
18
19 #include <tuple>
20 #include <utility>
21 #include <cassert>
22
23 #include "allocators.h"
24 #include "../alloc_first.h"
25 #include "../alloc_last.h"
26
main()27 int main()
28 {
29 {
30 typedef std::pair<double, int> T0;
31 typedef std::tuple<int, double> T1;
32 T0 t0(2, 3);
33 T1 t1(std::allocator_arg, A1<int>(5), t0);
34 assert(std::get<0>(t1) == 2);
35 assert(std::get<1>(t1) == 3);
36 }
37 {
38 typedef std::pair<int, int> T0;
39 typedef std::tuple<alloc_first, double> T1;
40 T0 t0(2, 3);
41 alloc_first::allocator_constructed = false;
42 T1 t1(std::allocator_arg, A1<int>(5), t0);
43 assert(alloc_first::allocator_constructed);
44 assert(std::get<0>(t1) == 2);
45 assert(std::get<1>(t1) == 3);
46 }
47 {
48 typedef std::pair<int, int> T0;
49 typedef std::tuple<alloc_first, alloc_last> T1;
50 T0 t0(2, 3);
51 alloc_first::allocator_constructed = false;
52 alloc_last::allocator_constructed = false;
53 T1 t1(std::allocator_arg, A1<int>(5), t0);
54 assert(alloc_first::allocator_constructed);
55 assert(alloc_last::allocator_constructed);
56 assert(std::get<0>(t1) == 2);
57 assert(std::get<1>(t1) == 3);
58 }
59 }
60