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