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 // pointer allocate(size_type n, const_void_pointer hint);
16
17 #include <scoped_allocator>
18 #include <cassert>
19
20 #include "allocators.h"
21
main()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 A1<int>::allocate_called = false;
30 assert(a.allocate(10, (const void*)0) == (int*)10);
31 assert(A1<int>::allocate_called == true);
32 }
33 {
34 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
35 A a;
36 A1<int>::allocate_called = false;
37 assert(a.allocate(10, (const void*)10) == (int*)10);
38 assert(A1<int>::allocate_called == true);
39 }
40 {
41 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
42 A a;
43 A1<int>::allocate_called = false;
44 assert(a.allocate(10, (const void*)20) == (int*)10);
45 assert(A1<int>::allocate_called == true);
46 }
47
48 {
49 typedef std::scoped_allocator_adaptor<A2<int>> A;
50 A a;
51 A2<int>::allocate_called = false;
52 assert(a.allocate(10, (const void*)0) == (int*)0);
53 assert(A2<int>::allocate_called == true);
54 }
55 {
56 typedef std::scoped_allocator_adaptor<A2<int>, A2<int>> A;
57 A a;
58 A2<int>::allocate_called = false;
59 assert(a.allocate(10, (const void*)10) == (int*)10);
60 assert(A2<int>::allocate_called == true);
61 }
62 {
63 typedef std::scoped_allocator_adaptor<A2<int>, A2<int>, A3<int>> A;
64 A a;
65 A2<int>::allocate_called = false;
66 assert(a.allocate(10, (const void*)20) == (int*)20);
67 assert(A2<int>::allocate_called == true);
68 }
69 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
70 }
71