1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <memory>
11 
12 // template <class OuterAlloc, class... InnerAllocs>
13 //   class scoped_allocator_adaptor
14 
15 // scoped_allocator_adaptor();
16 
17 #include <scoped_allocator>
18 #include <cassert>
19 
20 #include "../allocators.h"
21 
22 int main()
23 {
24 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
25 
26     {
27         typedef std::scoped_allocator_adaptor<A1<int>> A;
28         A a;
29         assert(a.outer_allocator() == A1<int>());
30         assert(a.inner_allocator() == a);
31         assert(A1<int>::copy_called == false);
32         assert(A1<int>::move_called == false);
33     }
34     {
35         typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
36         A a;
37         assert(a.outer_allocator() == A1<int>());
38         assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>());
39         assert(A1<int>::copy_called == false);
40         assert(A1<int>::move_called == false);
41         assert(A2<int>::copy_called == false);
42         assert(A2<int>::move_called == false);
43     }
44     {
45         typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
46         A a;
47         assert(a.outer_allocator() == A1<int>());
48         assert((a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>, A3<int>>()));
49         assert(A1<int>::copy_called == false);
50         assert(A1<int>::move_called == false);
51         assert(A2<int>::copy_called == false);
52         assert(A2<int>::move_called == false);
53         assert(A3<int>::copy_called == false);
54         assert(A3<int>::move_called == false);
55     }
56 
57 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
58 }
59