1// { dg-options "-std=gnu++11" }
2
3// 2010-04-30  Paolo Carlini  <paolo.carlini@oracle.com>
4//
5// Copyright (C) 2010-2015 Free Software Foundation, Inc.
6//
7// This file is part of the GNU ISO C++ Library.  This library is free
8// software; you can redistribute it and/or modify it under the
9// terms of the GNU General Public License as published by the
10// Free Software Foundation; either version 3, or (at your option)
11// any later version.
12
13// This library is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16// GNU General Public License for more details.
17
18// You should have received a copy of the GNU General Public License along
19// with this library; see the file COPYING3.  If not see
20// <http://www.gnu.org/licenses/>.
21
22// Tuple
23
24#include <utility>
25#include <tuple>
26#include <testsuite_hooks.h>
27
28struct type_zero
29{
30  type_zero() : n_(757) { }
31
32  type_zero(const type_zero&) = delete;
33  type_zero(type_zero&& other) : n_(other.n_) { }
34
35  int get() const { return n_; }
36
37private:
38  int n_;
39};
40
41struct type_one
42{
43  type_one(int n) : n_(n) { }
44
45  type_one(const type_one&) = delete;
46  type_one(type_one&& other) : n_(other.n_) { }
47
48  int get() const { return n_; }
49
50private:
51  int n_;
52};
53
54struct type_two
55{
56  type_two(int n1, int n2) : n1_(n1), n2_(n2) { }
57
58  type_two(const type_two&) = delete;
59  type_two(type_two&& other) : n1_(other.n1_), n2_(other.n2_) { }
60
61  int get1() const { return n1_; }
62  int get2() const { return n2_; }
63
64private:
65  int n1_, n2_;
66};
67
68void test01()
69{
70  bool test __attribute__((unused)) = true;
71
72  std::pair<type_one, type_zero> pp0(std::piecewise_construct_t(),
73				     std::forward_as_tuple(-3),
74				     std::forward_as_tuple());
75  VERIFY( pp0.first.get() == -3 );
76  VERIFY( pp0.second.get() == 757 );
77
78  std::pair<type_one, type_two> pp1(std::piecewise_construct_t(),
79				    std::forward_as_tuple(6),
80				    std::forward_as_tuple(5, 4));
81  VERIFY( pp1.first.get() == 6 );
82  VERIFY( pp1.second.get1() == 5 );
83  VERIFY( pp1.second.get2() == 4 );
84
85  std::pair<type_two, type_two> pp2(std::piecewise_construct_t(),
86				    std::forward_as_tuple(2, 1),
87				    std::forward_as_tuple(-1, -3));
88  VERIFY( pp2.first.get1() == 2 );
89  VERIFY( pp2.first.get2() == 1 );
90  VERIFY( pp2.second.get1() == -1 );
91  VERIFY( pp2.second.get2() == -3 );
92}
93
94int main()
95{
96  test01();
97  return 0;
98}
99