1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// { dg-options "-std=gnu++0x" }
// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <functional>
#include <type_traits>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
using namespace __gnu_test;
bool test __attribute__((unused)) = true;
struct X
{
typedef int result_type;
X() : bar(17) {}
int foo(float x) { return truncate_float(x); }
int foo_c(float x) const { return truncate_float(x); }
int foo_v(float x) volatile { return truncate_float(x); }
int foo_cv(float x) const volatile { return truncate_float(x); }
int foo_varargs(float x, ...) { return truncate_float(x); }
int operator()(float x)
{
return foo(x) + 1;
}
int operator()(float x) const
{
return foo_c(x) + 2;
}
int bar;
private:
X(const X&);
X& operator=(const X&);
};
int seventeen() { return 17; }
struct get_seventeen
{
typedef int result_type;
int operator()() const { return 17; }
};
void test01()
{
using std::ref;
using std::cref;
::get_seventeen get_sev;
::X x;
::X* xp = &x;
int (::X::* p_foo)(float) = &::X::foo;
int (::X::* p_foo_c)(float) const = &::X::foo_c;
int (::X::* p_foo_v)(float) volatile = &::X::foo_v;
int (::X::* p_foo_cv)(float) const volatile = &::X::foo_cv;
int (::X::* p_foo_varargs)(float, ...) = &::X::foo_varargs;
int ::X::* p_bar = &::X::bar;
const float pi = 3.14;
// Functions
VERIFY(ref(truncate_float)(pi) == 3);
VERIFY(ref(seventeen)() == 17);
// Function pointers
VERIFY(cref(truncate_float)(pi) == 3);
VERIFY(cref(seventeen)() == 17);
// Member function pointers
VERIFY(ref(p_foo)(x, pi) == 3);
VERIFY(ref(p_foo)(xp, pi) == 3);
VERIFY(ref(p_foo_c)(x, pi) == 3);
VERIFY(ref(p_foo_c)(xp, pi) == 3);
VERIFY(ref(p_foo_v)(x, pi) == 3);
VERIFY(ref(p_foo_v)(xp, pi) == 3);
VERIFY(ref(p_foo_cv)(x, pi) == 3);
VERIFY(ref(p_foo_cv)(xp, pi) == 3);
// VERIFY(ref(p_foo_varargs)(x, pi) == 3);
// VERIFY(ref(p_foo_varargs)(xp, pi, 1, 1) == 3);
// VERIFY(ref(p_foo_varargs)(x, pi, 1, 1) == 3);
// VERIFY(ref(p_foo_varargs)(xp, pi) == 3);
// Member data pointers
VERIFY(ref(p_bar)(x) == 17);
VERIFY(ref(p_bar)(xp) == 17);
// Function objects
VERIFY(ref(get_sev)() == 17);
VERIFY(cref(get_sev)() == 17);
VERIFY(ref(x)(pi) == 4);
VERIFY(cref(x)(pi) == 5);
}
int main()
{
test01();
return 0;
}
|
