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3c9b99ef JW |
1 | // { dg-options "-fno-rtti" } |
2 | // { dg-do run { target c++11 } } | |
7cc9022f | 3 | // { dg-require-effective-target hosted } |
3c9b99ef | 4 | |
a945c346 | 5 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
3c9b99ef JW |
6 | // |
7 | // This file is part of the GNU ISO C++ Library. This library is free | |
8 | // software; you can redistribute it and/or modify it under the | |
9 | // terms of the GNU General Public License as published by the | |
10 | // Free Software Foundation; either version 3, or (at your option) | |
11 | // any later version. | |
12 | ||
13 | // This library is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | ||
18 | // You should have received a copy of the GNU General Public License along | |
19 | // with this library; see the file COPYING3. If not see | |
20 | // <http://www.gnu.org/licenses/>. | |
21 | ||
22 | #include <functional> | |
23 | #include <testsuite_hooks.h> | |
24 | ||
25 | using std::function; | |
26 | ||
27 | long f() { return 1; } | |
28 | struct F { long operator()() { return 2; } }; | |
29 | ||
30 | void test01() | |
31 | { | |
32 | std::function<int()> fun = f; | |
33 | long (**tgt1)() = fun.target<long(*)()>(); | |
34 | VERIFY( *tgt1 == f ); | |
35 | VERIFY( (*tgt1)() == 1L ); | |
36 | VERIFY( fun.target<long(*)()>() == tgt1 ); | |
37 | VERIFY( fun.target<long(* const)()>() == tgt1 ); | |
38 | VERIFY( fun.target<F>() == nullptr ); | |
39 | VERIFY( fun.target<void>() == nullptr ); | |
40 | VERIFY( fun.target<int()>() == nullptr ); | |
41 | VERIFY( fun.target<long()>() == nullptr ); | |
42 | ||
43 | const F ff; | |
44 | fun = ff; | |
45 | F* tgt2 = fun.target<F>(); | |
46 | VERIFY( tgt2 != nullptr ); | |
47 | VERIFY( (*tgt2)() == 2L ); | |
48 | VERIFY( fun.target<const F>() == tgt2 ); | |
49 | VERIFY( fun.target<int(*)()>() == nullptr ); | |
50 | VERIFY( fun.target<void()>() == nullptr ); | |
51 | VERIFY( fun.target<void(*)()>() == nullptr ); | |
52 | } | |
53 | ||
54 | int main() | |
55 | { | |
56 | test01(); | |
57 | } |