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d1236680 RO |
1 | // { dg-do run } |
2 | // { dg-options "-pthread" } | |
71c54f8e | 3 | // { dg-require-effective-target c++11 } |
d1236680 | 4 | // { dg-require-effective-target pthread } |
5262c72a | 5 | // { dg-require-gthreads "" } |
5262c72a | 6 | |
a5544970 | 7 | // Copyright (C) 2010-2019 Free Software Foundation, Inc. |
5262c72a JW |
8 | // |
9 | // This file is part of the GNU ISO C++ Library. This library is free | |
10 | // software; you can redistribute it and/or modify it under the | |
11 | // terms of the GNU General Public License as published by the | |
12 | // Free Software Foundation; either version 3, or (at your option) | |
13 | // any later version. | |
14 | ||
15 | // This library is distributed in the hope that it will be useful, | |
16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | // GNU General Public License for more details. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License along | |
21 | // with this library; see the file COPYING3. If not see | |
22 | // <http://www.gnu.org/licenses/>. | |
23 | ||
24 | // 30.6.6 Class template future [futures.unique_future] | |
25 | ||
26 | #include <future> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | // This test verifies behaviour which is encouraged by a non-normative note, | |
30 | // but not required. | |
31 | ||
32 | void | |
33 | test01() | |
34 | { | |
5262c72a JW |
35 | std::promise<int> p; |
36 | std::future<int> f = p.get_future(); | |
37 | p.set_value(0); | |
38 | f.get(); | |
39 | try | |
40 | { | |
41 | f.get(); | |
42 | VERIFY( false ); | |
43 | } | |
44 | catch (std::future_error& e) | |
45 | { | |
46 | VERIFY( e.code() == std::future_errc::no_state ); | |
47 | } | |
48 | } | |
49 | ||
50 | void | |
51 | test02() | |
52 | { | |
5262c72a JW |
53 | std::promise<int&> p; |
54 | std::future<int&> f = p.get_future(); | |
55 | int i = 0; | |
56 | p.set_value(i); | |
57 | f.get(); | |
58 | try | |
59 | { | |
60 | f.get(); | |
61 | VERIFY( false ); | |
62 | } | |
63 | catch (std::future_error& e) | |
64 | { | |
65 | VERIFY( e.code() == std::future_errc::no_state ); | |
66 | } | |
67 | } | |
68 | ||
69 | void | |
70 | test03() | |
71 | { | |
5262c72a JW |
72 | std::promise<void> p; |
73 | std::future<void> f = p.get_future(); | |
74 | p.set_value(); | |
75 | f.get(); | |
76 | try | |
77 | { | |
78 | f.get(); | |
79 | VERIFY( false ); | |
80 | } | |
81 | catch (std::future_error& e) | |
82 | { | |
83 | VERIFY( e.code() == std::future_errc::no_state ); | |
84 | } | |
85 | } | |
86 | ||
87 | int main() | |
88 | { | |
89 | test01(); | |
90 | test02(); | |
91 | test03(); | |
92 | ||
93 | return 0; | |
94 | } | |
95 |