| // Copyright (C) 2016-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // { dg-do compile { target c++11 } } |
| |
| #include <scoped_allocator> |
| #include <testsuite_allocator.h> |
| |
| template<typename T> |
| struct alloc |
| { |
| using value_type = T; |
| alloc() = default; |
| template<typename U> |
| alloc(alloc<U>) { } |
| T* allocate(std::size_t); |
| void deallocate(T*, std::size_t); |
| }; |
| |
| template<typename T, typename U> |
| bool operator==(alloc<T>, alloc<U>) { return true; } |
| |
| template<typename T, typename U> |
| bool operator!=(alloc<T>, alloc<U>) { return false; } |
| |
| using scoped = std::scoped_allocator_adaptor<alloc<int>>; |
| using other_alloc = __gnu_test::SimpleAllocator<int>; |
| using other_scoped = std::scoped_allocator_adaptor<other_alloc>; |
| |
| using std::is_constructible; |
| |
| static_assert( is_constructible<scoped, const scoped&>::value, |
| "is_constructible<scoped, const scoped&>"); |
| static_assert( is_constructible<scoped, scoped>::value, |
| "is_constructible<scoped, scoped>"); |
| static_assert( is_constructible<scoped, const alloc<int>&>::value, |
| "is_constructible<scoped, const outer_allocator_type&>"); |
| static_assert( is_constructible<scoped, alloc<int>>::value, |
| "is_constructible<scoped, outer_allocator_type>"); |
| static_assert( is_constructible<scoped, const alloc<long>&>::value, |
| "is_constructible<scoped, const outer_allocator_type::rebind<U>::type&>"); |
| static_assert( is_constructible<scoped, alloc<long>>::value, |
| "is_constructible<scoped, outer_allocator_type::rebind<U>::type>"); |
| |
| static_assert( !is_constructible<scoped, const other_alloc&>::value, |
| "!is_constructible<scoped, const other_alloc&>"); |
| static_assert( !is_constructible<scoped, other_alloc>::value, |
| "!is_constructible<scoped, other_alloc>"); |
| static_assert( !is_constructible<scoped, const other_scoped&>::value, |
| "!is_constructible<scoped, const other_scoped&>"); |
| static_assert( !is_constructible<scoped, other_scoped>::value, |
| "!is_constructible<scoped, other_scoped>"); |