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
|
// 2005-01-26 Douglas Gregor <doug.gregor -at- gmail.com>
//
// Copyright (C) 2005, 2009 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/>.
// 3.4 function return types
#include <tr1/functional>
#include <tr1/type_traits>
#include <testsuite_hooks.h>
#include <testsuite_tr1.h>
class X {};
struct int_result_type { typedef int result_type; };
struct int_result_of
{
template<typename F> struct result { typedef int type; };
};
struct int_result_type_and_float_result_of
{
typedef int result_type;
template<typename F> struct result { typedef float type; };
};
void test01()
{
bool test __attribute__((unused)) = true;
using std::tr1::result_of;
using std::tr1::is_same;
using namespace __gnu_test;
typedef int (*func_ptr)(float, double);
typedef int (&func_ref)(float, double);
typedef int (::X::*mem_func_ptr)(float);
typedef int (::X::*mem_func_ptr_c)(float) const;
typedef int (::X::*mem_func_ptr_v)(float) volatile;
typedef int (::X::*mem_func_ptr_cv)(float) const volatile;
VERIFY((is_same<result_of<int_result_type(float)>::type, int>::value));
VERIFY((is_same<result_of<int_result_of(double)>::type, int>::value));
VERIFY((is_same<result_of<int_result_of(void)>::type, void>::value));
VERIFY((is_same<result_of<const int_result_of(double)>::type, int>::value));
VERIFY((is_same<result_of<volatile int_result_of(void)>::type, void>::value));
VERIFY((is_same<result_of<int_result_type_and_float_result_of(char)>::type, int>::value));
VERIFY((is_same<result_of<func_ptr(char, float)>::type, int>::value));
VERIFY((is_same<result_of<func_ref(char, float)>::type, int>::value));
VERIFY((is_same<result_of<mem_func_ptr(::X,char)>::type, int>::value));
VERIFY((is_same<result_of<mem_func_ptr_c(::X,char)>::type, int>::value));
VERIFY((is_same<result_of<mem_func_ptr_v(::X,char)>::type, int>::value));
VERIFY((is_same<result_of<mem_func_ptr_cv(::X,char)>::type, int>::value));
}
int main()
{
test01();
return 0;
}
|
