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
27int 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