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1 | // { dg-options "-std=gnu++0x" } |
2 | // 2005-01-15 Douglas Gregor <dgregor@cs.indiana.edu> | |
3 | // | |
aa118a03 | 4 | // Copyright (C) 2005-2014 Free Software Foundation, Inc. |
7aec2c63 PC |
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 | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
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 | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | // 20.7.15 polymorphic function object wrapper | |
22 | #include <functional> | |
23 | #include <testsuite_hooks.h> | |
24 | #include <testsuite_tr1.h> | |
25 | ||
26 | using namespace __gnu_test; | |
27 | ||
28 | bool test __attribute__((unused)) = true; | |
29 | ||
30 | // Put reference_wrappers to member pointers | |
31 | void test08() | |
32 | { | |
33 | using std::function; | |
34 | using std::ref; | |
35 | using std::cref; | |
36 | ||
37 | int X::* X_bar = &X::bar; | |
38 | int (X::* X_foo)() = &X::foo; | |
39 | int (X::* X_foo_c)() const = &X::foo_c; | |
40 | int (X::* X_foo_v)() volatile = &X::foo_v; | |
41 | int (X::* X_foo_cv)() const volatile = &X::foo_cv; | |
42 | ||
43 | X x; | |
44 | x.bar = 17; | |
45 | ||
46 | function<int(X&)> frm(ref(X_bar)); | |
47 | VERIFY( frm ); | |
48 | VERIFY( frm(x) == 17 ); | |
49 | VERIFY( typeid(int X::*) == frm.target_type() ); | |
50 | VERIFY( frm.target<int X::*>() == &X_bar ); | |
51 | ||
52 | function<int(X&)> fr(ref(X_foo)); | |
53 | VERIFY( fr ); | |
54 | VERIFY( fr(x) == 1 ); | |
55 | VERIFY( typeid(int (X::*)()) == fr.target_type() ); | |
56 | VERIFY( fr.target<int (X::*)()>() == &X_foo ); | |
57 | ||
58 | function<int(const X&)> frc(ref(X_foo_c)); | |
59 | VERIFY( frc ); | |
60 | VERIFY( frc(x) == 2 ); | |
61 | VERIFY( typeid(int (X::*)() const) == frc.target_type() ); | |
62 | VERIFY( frc.target<int (X::*)() const >() == &X_foo_c ); | |
63 | ||
64 | function<int(volatile X&)> frv(ref(X_foo_v)); | |
65 | VERIFY( frv ); | |
66 | VERIFY( frv(x) == 3 ); | |
67 | VERIFY( typeid(int (X::*)() volatile) == frv.target_type() ); | |
68 | VERIFY( *frv.target<int (X::*)() volatile >() == X_foo_v ); | |
69 | VERIFY( frv.target<int (X::*)() const volatile>() == 0 ); | |
70 | ||
71 | function<int(const volatile X&)> frcv(ref(X_foo_cv)); | |
72 | VERIFY( frcv ); | |
73 | VERIFY( frcv(x) == 4 ); | |
74 | VERIFY( typeid(int (X::*)() const volatile) == frcv.target_type() ); | |
75 | VERIFY( *frcv.target<int (X::*)() const volatile >() == X_foo_cv ); | |
76 | VERIFY( frcv.target<int (X::*)() const>() == 0 ); | |
77 | ||
78 | function<int(X*)> grm(ref(X_bar)); | |
79 | VERIFY( grm ); | |
80 | VERIFY( grm(&x) == 17 ); | |
81 | VERIFY( typeid(int X::*) == grm.target_type() ); | |
82 | VERIFY( *grm.target<int X::*>() == X_bar ); | |
83 | ||
84 | function<int(X*)> gr(ref(X_foo)); | |
85 | VERIFY( gr ); | |
86 | VERIFY( gr(&x) == 1 ); | |
87 | VERIFY( typeid(int (X::*)()) == gr.target_type() ); | |
88 | VERIFY( *gr.target<int (X::*)()>() == X_foo ); | |
89 | ||
90 | function<int(const X*)> grc(ref(X_foo_c)); | |
91 | VERIFY( grc ); | |
92 | VERIFY( grc(&x) == 2 ); | |
93 | VERIFY( typeid(int (X::*)() const) == grc.target_type() ); | |
94 | VERIFY( *grc.target<int (X::*)() const >() == X_foo_c ); | |
95 | ||
96 | function<int(volatile X*)> grv(ref(X_foo_v)); | |
97 | VERIFY( grv ); | |
98 | VERIFY( grv(&x) == 3 ); | |
99 | VERIFY( typeid(int (X::*)() volatile) == grv.target_type() ); | |
100 | VERIFY( *grv.target<int (X::*)() volatile >() == X_foo_v ); | |
101 | VERIFY( grv.target<int (X::*)() const volatile>() == 0 ); | |
102 | ||
103 | function<int(const volatile X*)> grcv(ref(X_foo_cv)); | |
104 | VERIFY( grcv ); | |
105 | VERIFY( grcv(&x) == 4 ); | |
106 | VERIFY( typeid(int (X::*)() const volatile) == grcv.target_type() ); | |
107 | VERIFY( *grcv.target<int (X::*)() const volatile >() == X_foo_cv ); | |
108 | VERIFY( grcv.target<int (X::*)() const>() == 0 ); | |
109 | ||
110 | function<int(X&)> hrm(cref(X_bar)); | |
111 | VERIFY( hrm ); | |
112 | VERIFY( hrm(x) == 17 ); | |
113 | VERIFY( typeid(int X::*) == hrm.target_type() ); | |
114 | VERIFY( hrm.target<int X::*>() == 0 ); | |
115 | VERIFY( hrm.target<int X::* const>() == &X_bar ); | |
116 | ||
117 | function<int(X&)> hr(cref(X_foo)); | |
118 | VERIFY( hr ); | |
119 | VERIFY( hr(x) == 1 ); | |
120 | VERIFY( typeid(int (X::*)()) == hr.target_type() ); | |
121 | VERIFY( hr.target<int (X::* const)()>() == &X_foo ); | |
122 | ||
123 | function<int(const X&)> hrc(cref(X_foo_c)); | |
124 | VERIFY( hrc ); | |
125 | VERIFY( hrc(x) == 2 ); | |
126 | VERIFY( typeid(int (X::*)() const) == hrc.target_type() ); | |
127 | VERIFY( hrc.target<int (X::* const)() const >() == &X_foo_c ); | |
128 | ||
129 | function<int(volatile X&)> hrv(cref(X_foo_v)); | |
130 | VERIFY( hrv ); | |
131 | VERIFY( hrv(x) == 3 ); | |
132 | VERIFY( typeid(int (X::*)() volatile) == hrv.target_type() ); | |
133 | VERIFY( hrv.target<int (X::* const)() volatile >() == &X_foo_v ); | |
134 | VERIFY( hrv.target<int (X::* const)() const volatile>() == 0 ); | |
135 | ||
136 | function<int(const volatile X&)> hrcv(cref(X_foo_cv)); | |
137 | VERIFY( hrcv ); | |
138 | VERIFY( hrcv(x) == 4 ); | |
139 | VERIFY( typeid(int (X::*)() const volatile) == hrcv.target_type() ); | |
140 | VERIFY( hrcv.target<int (X::* const)() const volatile >() == &X_foo_cv ); | |
141 | VERIFY( hrcv.target<int (X::* const)() const>() == 0 ); | |
142 | } | |
143 | ||
144 | int main() | |
145 | { | |
146 | test08(); | |
147 | return 0; | |
148 | } |