propagate_on_container_move_assignment.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
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 Alloc>
13// struct allocator_traits
14// {
15//     typedef Alloc::propagate_on_container_move_assignment
16//           | false_type                   propagate_on_container_move_assignment;
17//     ...
18// };
19
20#include <memory>
21#include <type_traits>
22
23template <class T>
24struct A
25{
26    typedef T value_type;
27    typedef std::true_type propagate_on_container_move_assignment;
28};
29
30template <class T>
31struct B
32{
33    typedef T value_type;
34};
35
36int main()
37{
38    static_assert((std::is_same<std::allocator_traits<A<char> >::propagate_on_container_move_assignment, std::true_type>::value), "");
39    static_assert((std::is_same<std::allocator_traits<B<char> >::propagate_on_container_move_assignment, std::false_type>::value), "");
40}
41