1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <deque>
10 
11 // deque(deque&&)
12 //        noexcept(is_nothrow_move_constructible<allocator_type>::value);
13 
14 // This tests a conforming extension
15 
16 // UNSUPPORTED: c++03
17 
18 #include <deque>
19 #include <cassert>
20 
21 #include "test_macros.h"
22 #include "MoveOnly.h"
23 #include "test_allocator.h"
24 
25 template <class T>
26 struct some_alloc
27 {
28     typedef T value_type;
29     some_alloc(const some_alloc&);
30     void allocate(size_t);
31 };
32 
33 int main(int, char**)
34 {
35 #if defined(_LIBCPP_VERSION)
36     {
37         typedef std::deque<MoveOnly> C;
38         static_assert(std::is_nothrow_move_constructible<C>::value, "");
39     }
40     {
41         typedef std::deque<MoveOnly, test_allocator<MoveOnly>> C;
42         static_assert(std::is_nothrow_move_constructible<C>::value, "");
43     }
44     {
45         typedef std::deque<MoveOnly, other_allocator<MoveOnly>> C;
46         static_assert(std::is_nothrow_move_constructible<C>::value, "");
47     }
48     {
49         typedef std::deque<MoveOnly, some_alloc<MoveOnly>> C;
50         static_assert(!std::is_nothrow_move_constructible<C>::value, "");
51     }
52 #endif // _LIBCPP_VERSION
53 
54   return 0;
55 }
56