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1 | // Copyright (C) 2010-2020 Free Software Foundation, Inc. | |
2 | // | |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // 20.7.11 Function template bind | |
19 | ||
20 | // { dg-do run { target c++11 } } | |
21 | ||
22 | #include <functional> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | // target must be invoked with cv-quals of call wrapper | |
26 | ||
27 | struct X | |
28 | { | |
29 | int operator()() { return 0; } | |
30 | int operator()() const { return 1; } | |
31 | int operator()() volatile { return 2; } | |
32 | int operator()() const volatile { return 3; } | |
33 | ||
34 | int operator()(int, int, int) { return 0; } | |
35 | int operator()(int, int, int) const { return 1; } | |
36 | int operator()(int, int, int) volatile { return 2; } | |
37 | int operator()(int, int, int) const volatile { return 3; } | |
38 | }; | |
39 | ||
40 | using std::placeholders::_1; | |
41 | using std::placeholders::_2; | |
42 | ||
43 | void test01() | |
44 | { | |
45 | auto b0 = std::bind(X()); | |
46 | VERIFY( b0() == 0 ); | |
47 | ||
48 | const auto b1 = std::bind(X()); | |
49 | VERIFY( b1() == 1 ); | |
50 | ||
51 | #if __cplusplus <= 201402L | |
52 | volatile auto b2 = std::bind(X()); | |
53 | VERIFY( b2() == 2 ); | |
54 | ||
55 | const volatile auto b3 = std::bind(X()); | |
56 | VERIFY( b3() == 3 ); | |
57 | #endif | |
58 | } | |
59 | ||
60 | void test02() | |
61 | { | |
62 | auto b0 = std::bind<int>(X()); | |
63 | VERIFY( b0() == 0 ); | |
64 | ||
65 | const auto b1 = std::bind<int>(X()); | |
66 | VERIFY( b1() == 1 ); | |
67 | ||
68 | #if __cplusplus <= 201402L | |
69 | volatile auto b2 = std::bind<int>(X()); | |
70 | VERIFY( b2() == 2 ); | |
71 | ||
72 | const volatile auto b3 = std::bind<int>(X()); | |
73 | VERIFY( b3() == 3 ); | |
74 | #endif | |
75 | } | |
76 | ||
77 | void test03() | |
78 | { | |
79 | auto b0 = std::bind(X(), 0, _1, _2); | |
80 | VERIFY( b0(0, 0) == 0 ); | |
81 | ||
82 | const auto b1 = std::bind(X(), _1, 0, _2); | |
83 | VERIFY( b1(0, 0) == 1 ); | |
84 | ||
85 | #if __cplusplus <= 201402L | |
86 | volatile auto b2 = std::bind(X(), _1, _2, 0); | |
87 | VERIFY( b2(0, 0) == 2 ); | |
88 | ||
89 | const volatile auto b3 = std::bind(X(), _1, 0, _2); | |
90 | VERIFY( b3(0, 0) == 3 ); | |
91 | #endif | |
92 | } | |
93 | ||
94 | void test04() | |
95 | { | |
96 | auto b0 = std::bind<int>(X(), 0, _1, _2); | |
97 | VERIFY( b0(0, 0) == 0 ); | |
98 | ||
99 | const auto b1 = std::bind<int>(X(), _1, 0, _2); | |
100 | VERIFY( b1(0, 0) == 1 ); | |
101 | ||
102 | #if __cplusplus <= 201402L | |
103 | volatile auto b2 = std::bind<int>(X(), _1, _2, 0); | |
104 | VERIFY( b2(0, 0) == 2 ); | |
105 | ||
106 | const volatile auto b3 = std::bind<int>(X(), _1, 0, _2); | |
107 | VERIFY( b3(0, 0) == 3 ); | |
108 | #endif | |
109 | } | |
110 | ||
111 | ||
112 | int main() | |
113 | { | |
114 | test01(); | |
115 | test02(); | |
116 | test03(); | |
117 | test04(); | |
118 | return 0; | |
119 | } |