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
|
// 2005-02-27 Douglas Gregor <doug.gregor -at- gmail.com>
//
// Copyright (C) 2005-2016 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/>.
// 2.1 reference wrappers
#include <tr1/functional>
#include <tr1/type_traits>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
using namespace __gnu_test;
struct X {};
struct int_result_type { typedef int result_type; };
struct derives_unary : std::unary_function<int, int> {};
struct derives_binary : std::binary_function<int, float, int> {};
struct derives_unary_binary
: std::unary_function<int, int>,
std::binary_function<int, float, int>
{
typedef int result_type;
};
void test01()
{
bool test __attribute__((unused)) = true;
using std::tr1::reference_wrapper;
using std::tr1::is_same;
using std::tr1::is_convertible;
using std::unary_function;
using std::binary_function;
// Check result_type typedef
VERIFY((is_same<reference_wrapper<int_result_type>::result_type, int>::value));
VERIFY((is_same<reference_wrapper<derives_unary>::result_type, int>::value));
VERIFY((is_same<reference_wrapper<derives_binary>::result_type, int>::value));
VERIFY((is_same<reference_wrapper<derives_unary_binary>::result_type, int>::value));
VERIFY((is_same<reference_wrapper<int(void)>::result_type, int>::value));
VERIFY((is_same<reference_wrapper<int(*)(void)>::result_type, int>::value));
VERIFY((is_same<reference_wrapper<int (::X::*)()>::result_type, int>::value));
VERIFY((is_same<reference_wrapper<int (::X::*)(float)>::result_type, int>::value));
// Check derivation from unary_function
VERIFY((is_convertible<reference_wrapper<derives_unary>*, unary_function<int, int>*>::value));
VERIFY((is_convertible<reference_wrapper<derives_unary_binary>*, unary_function<int, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int(int)>*, unary_function<int, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int(*)(int)>*, unary_function<int, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)()>*, unary_function< ::X*, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)() const>*, unary_function<const ::X*, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)() volatile>*, unary_function<volatile ::X*, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)() const volatile>*, unary_function<const volatile ::X*, int>*>::value));
// Check derivation from binary_function
VERIFY((is_convertible<reference_wrapper<derives_binary>*, binary_function<int, float, int>*>::value));
VERIFY((is_convertible<reference_wrapper<derives_unary_binary>*, binary_function<int, float, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int(int, float)>*, binary_function<int, float, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int(*)(int, float)>*, binary_function<int, float, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)(float)>*, binary_function< ::X*, float, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) const>*, binary_function<const ::X*, float, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) volatile>*, binary_function<volatile ::X*, float, int>*>::value));
VERIFY((is_convertible<reference_wrapper<int (::X::*)(float) const volatile>*, binary_function<const volatile ::X*, float, int>*>::value));
}
int main()
{
test01();
return 0;
}
|
