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 // <map>
11 
12 // map(map&&)
13 //        noexcept(is_nothrow_move_constructible<allocator_type>::value &&
14 //                 is_nothrow_move_constructible<key_compare>::value);
15 
16 // This tests a conforming extension
17 
18 #include <map>
19 #include <cassert>
20 
21 #include "MoveOnly.h"
22 #include "test_allocator.h"
23 
24 template <class T>
25 struct some_comp
26 {
27     typedef T value_type;
28     some_comp(const some_comp&);
29 };
30 
31 int main()
32 {
33 #if __has_feature(cxx_noexcept)
34     typedef std::pair<const MoveOnly, MoveOnly> V;
35     {
36         typedef std::map<MoveOnly, MoveOnly> C;
37         static_assert(std::is_nothrow_move_constructible<C>::value, "");
38     }
39     {
40         typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C;
41         static_assert(std::is_nothrow_move_constructible<C>::value, "");
42     }
43     {
44         typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C;
45         static_assert(std::is_nothrow_move_constructible<C>::value, "");
46     }
47     {
48         typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
49         static_assert(!std::is_nothrow_move_constructible<C>::value, "");
50     }
51 #endif
52 }
53