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1 | // Copyright (C) 2015-2020 Free Software Foundation, Inc. | |
2 | // | |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-do run { target c++14 } } | |
19 | ||
20 | #include <experimental/executor> | |
21 | #include <testsuite_hooks.h> | |
22 | ||
23 | using std::experimental::net::execution_context; | |
24 | using std::experimental::net::use_service; | |
25 | ||
26 | struct service1 : execution_context::service | |
27 | { | |
28 | using key_type = service1; | |
29 | service1(execution_context& c) : service(c) { } | |
30 | void shutdown() noexcept { } | |
31 | }; | |
32 | ||
33 | struct key2 : execution_context::service | |
34 | { | |
35 | key2(execution_context& c) : service(c) { } | |
36 | }; | |
37 | ||
38 | struct service2 : key2 | |
39 | { | |
40 | using key_type = key2; | |
41 | service2(execution_context& c) : key2(c) { } | |
42 | void shutdown() noexcept { } | |
43 | }; | |
44 | ||
45 | struct service3 : service1 | |
46 | { | |
47 | using service1::service1; | |
48 | }; | |
49 | ||
50 | struct service4 : service2 | |
51 | { | |
52 | using service2::service2; | |
53 | }; | |
54 | ||
55 | void | |
56 | test01() | |
57 | { | |
58 | execution_context ctx; | |
59 | service1& svc1 = use_service<service1>(ctx); | |
60 | service1& svc1a = use_service<service1>(ctx); | |
61 | VERIFY( &svc1a == &svc1 ); | |
62 | ||
63 | key2& svc2 = use_service<service2>(ctx); | |
64 | key2& svc2a = use_service<service2>(ctx); | |
65 | VERIFY( &svc2a == &svc2 ); | |
66 | ||
67 | service1& svc3 = use_service<service3>(ctx); | |
68 | VERIFY( &svc3 == &svc1 ); | |
69 | ||
70 | key2& svc4 = use_service<service4>(ctx); | |
71 | VERIFY( &svc4 == &svc2 ); | |
72 | ||
73 | // TODO test02() function that puts derived types in first, then tests base comes out | |
74 | } | |
75 | ||
76 | int | |
77 | main() | |
78 | { | |
79 | test01(); | |
80 | } |