1 // Copyright (C) 2010-2019 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 {
operator ()X29 int operator()() { return 0; }
operator ()X30 int operator()() const { return 1; }
operator ()X31 int operator()() volatile { return 2; }
operator ()X32 int operator()() const volatile { return 3; }
33
operator ()X34 int operator()(int, int, int) { return 0; }
operator ()X35 int operator()(int, int, int) const { return 1; }
operator ()X36 int operator()(int, int, int) volatile { return 2; }
operator ()X37 int operator()(int, int, int) const volatile { return 3; }
38 };
39
40 using std::placeholders::_1;
41 using std::placeholders::_2;
42
test01()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
test02()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
test03()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
test04()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
main()112 int main()
113 {
114 test01();
115 test02();
116 test03();
117 test04();
118 return 0;
119 }
120