1 // Copyright (C) 2016-2019 Free Software Foundation, Inc.
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 
18 // { dg-do compile { target c++11 } }
19 
20 #include <scoped_allocator>
21 #include <testsuite_allocator.h>
22 
23 template<typename T>
24 struct alloc
25 {
26   using value_type = T;
27   alloc() = default;
28   template<typename U>
allocalloc29     alloc(alloc<U>) { }
30   T* allocate(std::size_t);
31   void deallocate(T*, std::size_t);
32 };
33 
34 template<typename T, typename U>
operator ==(alloc<T>,alloc<U>)35   bool operator==(alloc<T>, alloc<U>) { return true; }
36 
37 template<typename T, typename U>
operator !=(alloc<T>,alloc<U>)38   bool operator!=(alloc<T>, alloc<U>) { return false; }
39 
40 using scoped = std::scoped_allocator_adaptor<alloc<int>>;
41 using other_alloc = __gnu_test::SimpleAllocator<int>;
42 using other_scoped = std::scoped_allocator_adaptor<other_alloc>;
43 
44 using std::is_constructible;
45 
46 static_assert( is_constructible<scoped, const scoped&>::value,
47     "is_constructible<scoped, const scoped&>");
48 static_assert( is_constructible<scoped, scoped>::value,
49     "is_constructible<scoped, scoped>");
50 static_assert( is_constructible<scoped, const alloc<int>&>::value,
51     "is_constructible<scoped, const outer_allocator_type&>");
52 static_assert( is_constructible<scoped, alloc<int>>::value,
53     "is_constructible<scoped, outer_allocator_type>");
54 static_assert( is_constructible<scoped, const alloc<long>&>::value,
55     "is_constructible<scoped, const outer_allocator_type::rebind<U>::type&>");
56 static_assert( is_constructible<scoped, alloc<long>>::value,
57     "is_constructible<scoped, outer_allocator_type::rebind<U>::type>");
58 
59 static_assert( !is_constructible<scoped, const other_alloc&>::value,
60     "!is_constructible<scoped, const other_alloc&>");
61 static_assert( !is_constructible<scoped, other_alloc>::value,
62     "!is_constructible<scoped, other_alloc>");
63 static_assert( !is_constructible<scoped, const other_scoped&>::value,
64     "!is_constructible<scoped, const other_scoped&>");
65 static_assert( !is_constructible<scoped, other_scoped>::value,
66     "!is_constructible<scoped, other_scoped>");
67