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99dee823 | 1 | // Copyright (C) 2015-2021 Free Software Foundation, Inc. |
e5989e71 JW |
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 | ||
7e8b87e9 | 18 | // { dg-do compile { target c++14 } } |
e5989e71 JW |
19 | |
20 | #include <experimental/buffer> | |
21 | ||
22 | using namespace std::experimental::net; | |
23 | using std::vector; | |
24 | using std::string; | |
25 | using std::char_traits; | |
26 | using std::allocator; | |
27 | ||
28 | template<typename T> | |
29 | struct Seq { | |
30 | struct Buf { | |
31 | operator T() const { return {}; } | |
32 | }; | |
33 | ||
34 | Buf* begin() const { return nullptr; } | |
35 | Buf* end() const { return nullptr; } | |
36 | }; | |
37 | ||
38 | static_assert( is_mutable_buffer_sequence<mutable_buffer>::value, | |
39 | "mutable_buffer is a mutable buffer sequence" ); | |
40 | static_assert( is_mutable_buffer_sequence<const mutable_buffer>::value, | |
41 | "const mutable_buffer is a mutable buffer sequence" ); | |
42 | static_assert( is_mutable_buffer_sequence<vector<mutable_buffer>>::value, | |
43 | "vector<mutable_buffer> is a mutable buffer sequence" ); | |
44 | static_assert( is_mutable_buffer_sequence<const vector<mutable_buffer>>::value, | |
45 | "const vector<mutable_buffer> is a mutable buffer sequence" ); | |
46 | static_assert( is_mutable_buffer_sequence<Seq<mutable_buffer>>::value, | |
47 | "Seq<mutable_buffer> is a mutable buffer sequence" ); | |
48 | static_assert( is_mutable_buffer_sequence<const Seq<mutable_buffer>>::value, | |
49 | "const Seq<mutable_buffer> is a mutable buffer sequence" ); | |
50 | static_assert( is_mutable_buffer_sequence<Seq<const mutable_buffer>>::value, | |
51 | "Seq<const mutable_buffer> is a mutable buffer sequence" ); | |
52 | static_assert( ! is_mutable_buffer_sequence<const_buffer>::value, | |
53 | "const_buffer is not a mutable buffer sequence" ); | |
54 | static_assert( ! is_mutable_buffer_sequence<vector<const_buffer>>::value, | |
55 | "vector<const_buffer> is not a mutable buffer sequence" ); | |
56 | static_assert( ! is_mutable_buffer_sequence<Seq<const_buffer>>::value, | |
57 | "Seq<const_buffer> is not a mutable buffer sequence" ); | |
58 | ||
59 | static_assert( is_const_buffer_sequence<const_buffer>::value, | |
60 | "const_buffer is a const buffer sequence" ); | |
61 | static_assert( is_const_buffer_sequence<const const_buffer>::value, | |
62 | "const const_buffer is a const buffer sequence" ); | |
63 | static_assert( is_const_buffer_sequence<vector<const_buffer>>::value, | |
64 | "vector<const_buffer> is a const buffer sequence" ); | |
65 | static_assert( is_const_buffer_sequence<const vector<const_buffer>>::value, | |
66 | "const vector<const_buffer> is a const buffer sequence" ); | |
67 | static_assert( is_const_buffer_sequence<Seq<const_buffer>>::value, | |
68 | "Seq<const_buffer> is a const buffer sequence" ); | |
69 | static_assert( is_const_buffer_sequence<const Seq<const_buffer>>::value, | |
70 | "const Seq<const_buffer> is a const buffer sequence" ); | |
71 | static_assert( is_const_buffer_sequence<Seq<const const_buffer>>::value, | |
72 | "Seq<const const_buffer> is a const buffer sequence" ); | |
73 | static_assert( is_const_buffer_sequence<mutable_buffer>::value, | |
74 | "mutable_buffer is a const buffer sequence" ); | |
75 | static_assert( is_const_buffer_sequence<const mutable_buffer>::value, | |
76 | "const mutable_buffer is a const buffer sequence" ); | |
77 | static_assert( is_const_buffer_sequence<vector<mutable_buffer>>::value, | |
78 | "vector<mutable_buffer> is a const buffer sequence" ); | |
79 | static_assert( is_const_buffer_sequence<const vector<mutable_buffer>>::value, | |
80 | "const vector<mutable_buffer> is a const buffer sequence" ); | |
81 | ||
82 | // Buf -> mutable_buffer -> const_buffer needs two user-defined conversions: | |
83 | static_assert( ! is_const_buffer_sequence<Seq<mutable_buffer>>::value, | |
84 | "Seq<mutable_buffer> is not a const buffer sequence" ); | |
85 | ||
86 | static_assert( is_dynamic_buffer< | |
87 | dynamic_vector_buffer<int, allocator<int>> | |
88 | >::value, "dynamic_vector_buffer is a dynamic buffer" ); | |
89 | static_assert( is_dynamic_buffer< | |
90 | dynamic_string_buffer<char, char_traits<char>, allocator<int>> | |
91 | >::value, "dynamic_string_buffer is a dynamic buffer" ); | |
92 | static_assert( ! is_dynamic_buffer<vector<int>>::value, | |
93 | "vector is not a dynamic buffer" ); | |
94 | static_assert( ! is_dynamic_buffer<string>::value, | |
95 | "string is not a dynamic buffer" ); |