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8868286e | 1 | // { dg-options "-std=gnu++11" } |
146ac79f | 2 | // { dg-do compile } |
3 | ||
f1717362 | 4 | // Copyright (C) 2008-2016 Free Software Foundation, Inc. |
146ac79f | 5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
6bc9506f | 9 | // Free Software Foundation; either version 3, or (at your option) |
146ac79f | 10 | // any later version. |
11 | // | |
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
146ac79f | 20 | |
146ac79f | 21 | |
22 | #include <functional> | |
23 | ||
24 | struct test_type | |
25 | { | |
26 | int member(); | |
27 | int cmember()const; | |
28 | int member2(char); | |
29 | int cmember2(char)const; | |
30 | }; | |
31 | ||
32 | struct functor1 : public std::unary_function<int, double> | |
33 | { | |
34 | double operator()(int) const; | |
35 | }; | |
36 | ||
37 | struct functor2 : public std::binary_function<int, char, double> | |
38 | { | |
39 | double operator()(int, char) const; | |
40 | }; | |
41 | ||
42 | template <class T> | |
43 | void verify_return_type(T, T) | |
44 | { | |
45 | } | |
46 | ||
47 | void test01() | |
48 | { | |
409e2405 | 49 | test_type* null_tt = 0; |
50 | const test_type* null_ttc = 0; | |
a0a0ff44 | 51 | int zero; |
146ac79f | 52 | |
a0a0ff44 | 53 | std::reference_wrapper<double (int)>* pr1(0); |
54 | verify_return_type((*pr1)(0), double()); | |
55 | std::reference_wrapper<double (*)(int)>* pr2(0); | |
56 | verify_return_type((*pr2)(0), double()); | |
409e2405 | 57 | std::reference_wrapper<int (test_type::*)()>* pr3(0); |
58 | verify_return_type((*pr3)(null_tt), int()); | |
59 | std::reference_wrapper<int (test_type::*)()const>* pr4(0); | |
60 | verify_return_type((*pr4)(null_ttc), int()); | |
a0a0ff44 | 61 | std::reference_wrapper<functor1>* pr5(0); |
146ac79f | 62 | |
a0a0ff44 | 63 | // libstdc++/24803 |
64 | verify_return_type((*pr5)(0), double()); | |
65 | verify_return_type((*pr5)(zero), double()); | |
146ac79f | 66 | |
a0a0ff44 | 67 | std::reference_wrapper<double (int, char)>* pr1b(0); |
68 | verify_return_type((*pr1b)(0, 0), double()); | |
69 | std::reference_wrapper<double (*)(int, char)>* pr2b(0); | |
70 | verify_return_type((*pr2b)(0, 0), double()); | |
409e2405 | 71 | std::reference_wrapper<int (test_type::*)(char)>* pr3b(0); |
72 | verify_return_type((*pr3b)(null_tt,zero), int()); | |
73 | std::reference_wrapper<int (test_type::*)()const>* pr4b(0); | |
74 | verify_return_type((*pr4b)(null_ttc), int()); | |
a0a0ff44 | 75 | std::reference_wrapper<functor2>* pr5b(0); |
146ac79f | 76 | |
a0a0ff44 | 77 | // libstdc++/24803 |
78 | verify_return_type((*pr5b)(0, 0), double()); | |
79 | verify_return_type((*pr5b)(zero, zero), double()); | |
146ac79f | 80 | } |