projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 52066eae | 1 | // { dg-do compile { target c++14 } } |
| 261b7e8a | 2 | |
| 8d9254fc | 3 | // Copyright (C) 2015-2020 Free Software Foundation, Inc. |
| 261b7e8a VV |
4 | // |
| 5 | // This file is part of the GNU ISO C++ Library. This library is free | |
| 6 | // software; you can redistribute it and/or modify it under the | |
| 7 | // terms of the GNU General Public License as published by the | |
| 8 | // Free Software Foundation; either version 3, or (at your option) | |
| 9 | // any later version. | |
| 10 | ||
| 11 | // This library is distributed in the hope that it will be useful, | |
| 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | // GNU General Public License for more details. | |
| 15 | ||
| c7cbb4da | 16 | // You should have received a copy of the GNU General Public License along |
| 261b7e8a VV |
17 | // with this library; see the file COPYING3. If not see |
| 18 | // <http://www.gnu.org/licenses/>. | |
| 19 | ||
| 20 | #include <experimental/memory> | |
| 21 | ||
| 22 | using std::experimental::observer_ptr; | |
| 23 | ||
| 24 | struct nontrivial {nontrivial() {}}; | |
| 25 | struct other {}; | |
| 26 | struct base {}; | |
| 27 | struct derived : base {}; | |
| 28 | ||
| 29 | static_assert(!std::is_trivially_constructible< | |
| 30 | observer_ptr<nontrivial>>::value, ""); | |
| 31 | static_assert(std::is_trivially_copyable< | |
| 32 | observer_ptr<nontrivial>>::value, ""); | |
| 33 | static_assert(std::is_trivially_destructible< | |
| 34 | observer_ptr<nontrivial>>::value, ""); | |
| 35 | ||
| 36 | static_assert(std::is_constructible< | |
| 37 | observer_ptr<nontrivial>, nontrivial*>::value, | |
| 38 | ""); | |
| 39 | static_assert(std::is_constructible<observer_ptr<base>, base*>::value, ""); | |
| 40 | static_assert(std::is_constructible<observer_ptr<base>, derived*>::value, ""); | |
| 41 | static_assert(!std::is_constructible<observer_ptr<base>, other*>::value, ""); | |
| 42 | static_assert(std::is_constructible< | |
| 43 | observer_ptr<base>, observer_ptr<base>>::value, ""); | |
| 44 | static_assert(std::is_constructible< | |
| 45 | observer_ptr<base>, observer_ptr<derived>>::value, ""); | |
| 46 | static_assert(!std::is_constructible< | |
| 47 | observer_ptr<base>, observer_ptr<other>>::value, ""); | |
| 48 | ||
| 49 | static_assert(!std::is_assignable< | |
| 50 | observer_ptr<nontrivial>, nontrivial*>::value, | |
| 51 | ""); | |
| 52 | static_assert(std::is_assignable< | |
| 53 | observer_ptr<nontrivial>, observer_ptr<nontrivial>>::value, | |
| 54 | ""); | |
| 55 | static_assert(std::is_assignable<observer_ptr<base>, | |
| 56 | observer_ptr<base>>::value, ""); | |
| 57 | static_assert(std::is_assignable<observer_ptr<base>, | |
| 58 | observer_ptr<derived>>::value, ""); | |
| 59 | static_assert(!std::is_assignable< | |
| 60 | observer_ptr<base>, observer_ptr<other>>::value, ""); | |
| 61 | static_assert(std::is_assignable<observer_ptr<const int>, | |
| 62 | observer_ptr<int>>::value, ""); | |
| 63 | static_assert(!std::is_assignable<observer_ptr<int>, | |
| 64 | observer_ptr<const int>>::value, ""); |