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(scoped_allocator_adaptor<OuterA2,
17 // InnerAllocs...>&& other);
18
19 #include <scoped_allocator>
20 #include <cassert>
21
22 #include "allocators.h"
23
main()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 = std::move(a1);
35 assert(A1<int>::copy_called == false);
36 assert(A1<int>::move_called == true);
37 assert(a2 == a1);
38 }
39 {
40 typedef std::scoped_allocator_adaptor<A1<double>, A2<int>> B;
41 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
42 B a1(A1<int>(4), A2<int>(5));
43 A1<int>::copy_called = false;
44 A1<int>::move_called = false;
45 A2<int>::copy_called = false;
46 A2<int>::move_called = false;
47 A a2 = std::move(a1);
48 assert(A1<int>::copy_called == false);
49 assert(A1<int>::move_called == true);
50 assert(A2<int>::copy_called == false);
51 assert(A2<int>::move_called == true);
52 assert(a2 == a1);
53 }
54 {
55 typedef std::scoped_allocator_adaptor<A1<double>, A2<int>, A3<int>> B;
56 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
57 B a1(A1<int>(4), A2<int>(5), A3<int>(6));
58 A1<int>::copy_called = false;
59 A1<int>::move_called = false;
60 A2<int>::copy_called = false;
61 A2<int>::move_called = false;
62 A3<int>::copy_called = false;
63 A3<int>::move_called = false;
64 A a2 = std::move(a1);
65 assert(A1<int>::copy_called == false);
66 assert(A1<int>::move_called == true);
67 assert(A2<int>::copy_called == false);
68 assert(A2<int>::move_called == true);
69 assert(A3<int>::copy_called == false);
70 assert(A3<int>::move_called == true);
71 assert(a2 == a1);
72 }
73
74 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
75 }
76