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6b9539e2 | 1 | // { dg-options "-std=gnu++17" } |
6458742a | 2 | // { dg-do compile { target c++17 } } |
6b9539e2 | 3 | |
8d9254fc | 4 | // Copyright (C) 2016-2020 Free Software Foundation, Inc. |
6b9539e2 DK |
5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | // | |
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | #include <type_traits> | |
22 | #include <testsuite_tr1.h> | |
23 | ||
24 | #ifndef __cpp_lib_is_swappable | |
25 | # error "Feature-test macro for is_nothrow_swappable_with missing" | |
26 | #elif __cpp_lib_is_swappable != 201603 | |
27 | # error "Feature-test macro for is_nothrow_swappable_with has wrong value" | |
28 | #endif | |
29 | ||
30 | namespace funny { | |
31 | struct T0 {}; | |
32 | ||
33 | void swap(T0, T0) noexcept; | |
34 | ||
35 | struct T1 | |
36 | { | |
37 | friend void swap(T1, T1) noexcept; | |
38 | }; | |
39 | ||
40 | struct T2 {}; | |
41 | struct T3 {}; | |
42 | ||
43 | void swap(T2, T3) noexcept; | |
44 | void swap(T3, T2) noexcept; | |
45 | ||
46 | struct T4 { operator T0() const noexcept; }; | |
47 | ||
48 | struct F0 {}; | |
49 | ||
50 | void swap(F0, F0) = delete; | |
51 | ||
52 | struct F1 {}; | |
53 | ||
54 | void swap(F1, F1); | |
55 | ||
56 | struct F2 {}; | |
57 | ||
58 | void swap(F0, F2) noexcept; | |
59 | void swap(F2, F0); | |
60 | ||
61 | struct F3 | |
62 | { | |
63 | friend void swap(F3, F3) = delete; | |
64 | }; | |
65 | ||
66 | struct F4 | |
67 | { | |
68 | friend void swap(F4, F4); | |
69 | }; | |
70 | ||
71 | struct F5 { operator T0() const; }; | |
72 | ||
73 | struct BoolLike {}; | |
74 | ||
75 | void swap(BoolLike, bool&) noexcept; | |
76 | void swap(bool&, BoolLike) noexcept; | |
77 | ||
78 | struct BoolLikeErr {}; | |
79 | ||
80 | void swap(BoolLikeErr, bool&); | |
81 | void swap(bool&, BoolLikeErr) noexcept; | |
82 | } | |
83 | ||
84 | void test01() | |
85 | { | |
86 | using std::is_nothrow_swappable_with; | |
87 | using namespace __gnu_test; | |
88 | // Positive tests. | |
89 | static_assert(test_property<is_nothrow_swappable_with, int&, int&>(true), | |
90 | ""); | |
91 | static_assert(test_property<is_nothrow_swappable_with, funny::T0, | |
92 | funny::T0>(true), ""); | |
93 | static_assert(test_property<is_nothrow_swappable_with, funny::T0, | |
94 | const funny::T0>(true), ""); | |
95 | static_assert(test_property<is_nothrow_swappable_with, funny::T1, | |
96 | funny::T1>(true), ""); | |
97 | static_assert(test_property<is_nothrow_swappable_with, funny::T1, | |
98 | const funny::T1>(true), ""); | |
99 | static_assert(test_property<is_nothrow_swappable_with, funny::T2, | |
100 | funny::T3>(true), ""); | |
101 | static_assert(test_property<is_nothrow_swappable_with, funny::T3, | |
102 | funny::T2>(true), ""); | |
103 | static_assert(test_property<is_nothrow_swappable_with, funny::T0, | |
104 | funny::T4>(true), ""); | |
105 | static_assert(test_property<is_nothrow_swappable_with, funny::T4, | |
106 | funny::T0>(true), ""); | |
107 | static_assert(test_property<is_nothrow_swappable_with, funny::BoolLike, | |
108 | bool&>(true), ""); | |
109 | static_assert(test_property<is_nothrow_swappable_with, const funny::BoolLike, | |
110 | bool&>(true), ""); | |
111 | ||
112 | // Negative tests. | |
113 | static_assert(test_property<is_nothrow_swappable_with, const int&, | |
114 | const int&>(false), ""); | |
115 | static_assert(test_property<is_nothrow_swappable_with, int&, | |
116 | unsigned&>(false), ""); | |
117 | static_assert(test_property<is_nothrow_swappable_with, funny::F0, | |
118 | funny::F0>(false), ""); | |
119 | static_assert(test_property<is_nothrow_swappable_with, funny::F0, | |
120 | const funny::F0>(false), ""); | |
121 | static_assert(test_property<is_nothrow_swappable_with, funny::F1, | |
122 | funny::F1>(false), ""); | |
123 | static_assert(test_property<is_nothrow_swappable_with, funny::F1, | |
124 | const funny::F1>(false), ""); | |
125 | static_assert(test_property<is_nothrow_swappable_with, funny::F0, | |
126 | funny::F2>(false), ""); | |
127 | static_assert(test_property<is_nothrow_swappable_with, funny::F2, | |
128 | funny::F0>(false), ""); | |
129 | static_assert(test_property<is_nothrow_swappable_with, funny::F3, | |
130 | funny::F3>(false), ""); | |
131 | static_assert(test_property<is_nothrow_swappable_with, funny::F3, | |
132 | const funny::F3>(false), ""); | |
133 | static_assert(test_property<is_nothrow_swappable_with, funny::F4, | |
134 | funny::F4>(false), ""); | |
135 | static_assert(test_property<is_nothrow_swappable_with, funny::F4, | |
136 | const funny::F4>(false), ""); | |
137 | static_assert(test_property<is_nothrow_swappable_with, funny::T0, | |
138 | funny::F5>(false), ""); | |
139 | static_assert(test_property<is_nothrow_swappable_with, funny::F5, | |
140 | funny::T0>(false), ""); | |
141 | static_assert(test_property<is_nothrow_swappable_with, funny::BoolLikeErr, | |
142 | bool&>(false), ""); | |
143 | static_assert(test_property<is_nothrow_swappable_with, | |
144 | const funny::BoolLikeErr, bool&>(false), ""); | |
145 | } |