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1 | // { dg-options "-std=gnu++0x" } |
2 | ||
748086b7 | 3 | // Copyright (C) 2007, 2009 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
3e93b275 | 19 | |
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20 | |
21 | // NOTE: This makes use of the fact that we know how moveable | |
22 | // is implemented on tuple. If the implementation changed | |
23 | // this test may begin to fail. | |
24 | ||
25 | #include <tuple> | |
26 | #include <utility> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | struct MoveOnly | |
30 | { | |
31 | explicit MoveOnly (int j) : i(j) { } | |
32 | ||
33 | MoveOnly (MoveOnly&& m) : i(m.i) { } | |
34 | ||
35 | MoveOnly& operator=(MoveOnly&& m) | |
36 | { i = m.i; return *this; } | |
37 | ||
38 | MoveOnly(MoveOnly const&) = delete; | |
39 | MoveOnly& operator=(MoveOnly const&) = delete; | |
40 | ||
41 | bool operator==(MoveOnly const& m) | |
42 | { return i == m.i; } | |
43 | ||
44 | void swap(MoveOnly&& m) | |
45 | { std::swap(m.i, i); } | |
46 | ||
47 | int i; | |
48 | }; | |
49 | ||
50 | void swap(MoveOnly& m1, MoveOnly& m2) | |
51 | { m1.swap(m2); } | |
52 | ||
53 | MoveOnly | |
54 | make_move_only (int i) | |
55 | { return MoveOnly(i); } | |
56 | ||
57 | void test01() | |
58 | { | |
59 | std::tuple<> t1, t2; | |
60 | std::swap(t1, t2); | |
61 | ||
62 | VERIFY( t1 == t2 ); | |
63 | } | |
64 | ||
65 | void test02() | |
66 | { | |
67 | bool test __attribute__((unused)) = true; | |
68 | ||
69 | std::tuple<int> t1(1), t2(2); | |
70 | std::swap(t1, t2); | |
71 | ||
72 | VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); | |
73 | } | |
74 | ||
75 | void test03() | |
76 | { | |
77 | bool test __attribute__((unused)) = true; | |
78 | ||
79 | std::tuple<int, float> t1(1, 1.0f), t2(2, 2.0f); | |
80 | std::swap(t1, t2); | |
81 | ||
82 | VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); | |
83 | VERIFY( std::get<1>(t1) == 2.0f && std::get<1>(t2) == 1.0f ); | |
84 | } | |
85 | ||
86 | void test04() | |
87 | { | |
88 | bool test __attribute__((unused)) = true; | |
89 | ||
90 | std::tuple<int, float, MoveOnly> | |
91 | t1(1, 1.0f, make_move_only(1)), | |
92 | t2(2, 2.0f, make_move_only(2)); | |
93 | ||
94 | std::swap(t1, t2); | |
95 | ||
96 | VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); | |
97 | VERIFY( std::get<1>(t1) == 2.0f && std::get<1>(t2) == 1.0f ); | |
98 | VERIFY( std::get<2>(t1) == make_move_only(2) | |
99 | && std::get<2>(t2) == make_move_only(1) ); | |
100 | } | |
101 | ||
102 | int main() | |
103 | { | |
104 | test01(); | |
105 | test02(); | |
106 | test03(); | |
107 | test04(); | |
108 | return 0; | |
109 | } |