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0875e2d5 | 1 | // 2005-01-26 Douglas Gregor <doug.gregor -at- gmail.com> |
2 | // | |
f1717362 | 3 | // Copyright (C) 2005-2016 Free Software Foundation, Inc. |
0875e2d5 | 4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
6bc9506f | 8 | // Free Software Foundation; either version 3, or (at your option) |
0875e2d5 | 9 | // any later version. |
10 | // | |
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | // | |
16 | // You should have received a copy of the GNU General Public License along | |
6bc9506f | 17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
0875e2d5 | 19 | |
20 | // 3.4 function return types | |
21 | #include <tr1/functional> | |
22 | #include <tr1/type_traits> | |
23 | #include <testsuite_hooks.h> | |
24 | #include <testsuite_tr1.h> | |
25 | ||
26 | class X {}; | |
27 | ||
28 | struct int_result_type { typedef int result_type; }; | |
29 | ||
30 | struct int_result_of | |
31 | { | |
32 | template<typename F> struct result { typedef int type; }; | |
33 | }; | |
34 | ||
35 | struct int_result_type_and_float_result_of | |
36 | { | |
37 | typedef int result_type; | |
38 | template<typename F> struct result { typedef float type; }; | |
39 | }; | |
40 | ||
41 | void test01() | |
42 | { | |
43 | bool test __attribute__((unused)) = true; | |
44 | ||
45 | using std::tr1::result_of; | |
46 | using std::tr1::is_same; | |
47 | using namespace __gnu_test; | |
48 | ||
49 | typedef int (*func_ptr)(float, double); | |
50 | typedef int (&func_ref)(float, double); | |
51 | typedef int (::X::*mem_func_ptr)(float); | |
52 | typedef int (::X::*mem_func_ptr_c)(float) const; | |
53 | typedef int (::X::*mem_func_ptr_v)(float) volatile; | |
54 | typedef int (::X::*mem_func_ptr_cv)(float) const volatile; | |
55 | ||
56 | VERIFY((is_same<result_of<int_result_type(float)>::type, int>::value)); | |
57 | VERIFY((is_same<result_of<int_result_of(double)>::type, int>::value)); | |
58 | VERIFY((is_same<result_of<int_result_of(void)>::type, void>::value)); | |
59 | VERIFY((is_same<result_of<const int_result_of(double)>::type, int>::value)); | |
60 | VERIFY((is_same<result_of<volatile int_result_of(void)>::type, void>::value)); | |
61 | VERIFY((is_same<result_of<int_result_type_and_float_result_of(char)>::type, int>::value)); | |
62 | VERIFY((is_same<result_of<func_ptr(char, float)>::type, int>::value)); | |
63 | VERIFY((is_same<result_of<func_ref(char, float)>::type, int>::value)); | |
64 | VERIFY((is_same<result_of<mem_func_ptr(::X,char)>::type, int>::value)); | |
65 | VERIFY((is_same<result_of<mem_func_ptr_c(::X,char)>::type, int>::value)); | |
66 | VERIFY((is_same<result_of<mem_func_ptr_v(::X,char)>::type, int>::value)); | |
67 | VERIFY((is_same<result_of<mem_func_ptr_cv(::X,char)>::type, int>::value)); | |
68 | } | |
69 | ||
70 | int main() | |
71 | { | |
72 | test01(); | |
73 | return 0; | |
74 | } |