1 // { dg-options "-std=gnu++17" }
2 // { dg-do compile { target c++17 } }
4 // Copyright (C) 2016-2019 Free Software Foundation, Inc.
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)
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.
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/>.
21 #include <type_traits>
22 #include <testsuite_tr1.h>
26 using std::has_unique_object_representations
;
27 using __gnu_test::test_category
;
30 static_assert(test_category
<has_unique_object_representations
,
32 static_assert(test_category
<has_unique_object_representations
,
33 unsigned char>(true), "");
34 static_assert(test_category
<has_unique_object_representations
,
35 signed char>(true), "");
36 static_assert(test_category
<has_unique_object_representations
,
38 static_assert(test_category
<has_unique_object_representations
,
41 enum E
: unsigned { };
42 static_assert(test_category
<has_unique_object_representations
,
45 static_assert(test_category
<has_unique_object_representations
,
46 unsigned[3]>(true), "");
47 static_assert(test_category
<has_unique_object_representations
,
48 unsigned[3][2]>(true), "");
49 static_assert(test_category
<has_unique_object_representations
,
50 unsigned[]>(true), "");
51 static_assert(test_category
<has_unique_object_representations
,
52 unsigned[][2]>(true), "");
53 static_assert(test_category
<has_unique_object_representations
,
55 static_assert(test_category
<has_unique_object_representations
,
57 static_assert(test_category
<has_unique_object_representations
,
59 static_assert(test_category
<has_unique_object_representations
,
76 static_assert(test_category
<has_unique_object_representations
,
78 static_assert(test_category
<has_unique_object_representations
,
79 float>(false), ""); // implementation-defined
80 static_assert(test_category
<has_unique_object_representations
,
82 static_assert(test_category
<has_unique_object_representations
,
83 Padded
[2]>(false), "");
84 static_assert(test_category
<has_unique_object_representations
,
85 Padded
[2][1]>(false), "");
86 static_assert(test_category
<has_unique_object_representations
,
87 Padded
[]>(false), "");
88 static_assert(test_category
<has_unique_object_representations
,
89 Padded
[][1]>(false), "");
90 static_assert(test_category
<has_unique_object_representations
,
91 Bitfield
>(false), "");
92 static_assert(test_category
<has_unique_object_representations
,
93 Bitfield
[2]>(false), "");
94 static_assert(test_category
<has_unique_object_representations
,
95 Bitfield
[2][1]>(false), "");
96 static_assert(test_category
<has_unique_object_representations
,
97 Bitfield
[]>(false), "");
98 static_assert(test_category
<has_unique_object_representations
,
99 Bitfield
[][1]>(false), "");
100 static_assert(test_category
<has_unique_object_representations
,
101 Aligned
>(false), "");
102 static_assert(test_category
<has_unique_object_representations
,
103 Aligned
[2]>(false), "");
104 static_assert(test_category
<has_unique_object_representations
,
105 Aligned
[2][1]>(false), "");
106 static_assert(test_category
<has_unique_object_representations
,
107 Aligned
[]>(false), "");
108 static_assert(test_category
<has_unique_object_representations
,
109 Aligned
[][1]>(false), "");
115 using std::has_unique_object_representations
;
116 using std::has_unique_object_representations_v
;
118 static_assert(has_unique_object_representations_v
<int>
119 == has_unique_object_representations
<int>::value
);
120 static_assert(has_unique_object_representations_v
<void>
121 == has_unique_object_representations
<void>::value
);
122 static_assert(has_unique_object_representations_v
<float>
123 == has_unique_object_representations
<float>::value
);