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, pair<U1, U2>&&);
16
17 // UNSUPPORTED: c++98, c++03
18
19 #include <tuple>
20 #include <utility>
21 #include <memory>
22 #include <cassert>
23
24 #include "allocators.h"
25 #include "../alloc_first.h"
26 #include "../alloc_last.h"
27
28 struct B
29 {
30 int id_;
31
BB32 explicit B(int i) : id_(i) {}
33
~BB34 virtual ~B() {}
35 };
36
37 struct D
38 : B
39 {
DD40 explicit D(int i) : B(i) {}
41 };
42
main()43 int main()
44 {
45 {
46 typedef std::pair<int, std::unique_ptr<D>> T0;
47 typedef std::tuple<alloc_first, std::unique_ptr<B>> T1;
48 T0 t0(2, std::unique_ptr<D>(new D(3)));
49 alloc_first::allocator_constructed = false;
50 T1 t1(std::allocator_arg, A1<int>(5), std::move(t0));
51 assert(alloc_first::allocator_constructed);
52 assert(std::get<0>(t1) == 2);
53 assert(std::get<1>(t1)->id_ == 3);
54 }
55 }
56