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 // template <class OuterA2>
16 //   scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2,
17 //                                                           InnerAllocs...>& other);
18 
19 #include <scoped_allocator>
20 #include <cassert>
21 
22 #include "../allocators.h"
23 
24 int main()
25 {
26 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
27 
28     {
29         typedef std::scoped_allocator_adaptor<A1<double>> B;
30         typedef std::scoped_allocator_adaptor<A1<int>> A;
31         B a1(A1<int>(3));
32         A1<int>::copy_called = false;
33         A1<int>::move_called = false;
34         A a2 = a1;
35         assert(A1<int>::copy_called == true);
36         assert(a2 == a1);
37     }
38     {
39         typedef std::scoped_allocator_adaptor<A1<double>, A2<int>> B;
40         typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
41         B a1(A1<int>(4), A2<int>(5));
42         A1<int>::copy_called = false;
43         A1<int>::move_called = false;
44         A2<int>::copy_called = false;
45         A2<int>::move_called = false;
46         A a2 = a1;
47         assert(A1<int>::copy_called == true);
48         assert(A2<int>::copy_called == true);
49         assert(a2 == a1);
50     }
51     {
52         typedef std::scoped_allocator_adaptor<A1<double>, A2<int>, A3<int>> B;
53         typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
54         B a1(A1<int>(4), A2<int>(5), A3<int>(6));
55         A1<int>::copy_called = false;
56         A1<int>::move_called = false;
57         A2<int>::copy_called = false;
58         A2<int>::move_called = false;
59         A3<int>::copy_called = false;
60         A3<int>::move_called = false;
61         A a2 = a1;
62         assert(A1<int>::copy_called == true);
63         assert(A2<int>::copy_called == true);
64         assert(A3<int>::copy_called == true);
65         assert(a2 == a1);
66     }
67 
68 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
69 }
70