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 // <unordered_map>
11 
12 // ~unordered_map() // implied noexcept;
13 
14 #include <unordered_map>
15 #include <cassert>
16 
17 #include "MoveOnly.h"
18 #include "test_allocator.h"
19 
20 #if __has_feature(cxx_noexcept)
21 
22 template <class T>
23 struct some_comp
24 {
25     typedef T value_type;
26     ~some_comp() noexcept(false);
27 };
28 
29 template <class T>
30 struct some_hash
31 {
32     typedef T value_type;
33     some_hash();
34     some_hash(const some_hash&);
35     ~some_hash() noexcept(false);
36 };
37 
38 #endif
39 
main()40 int main()
41 {
42 #if __has_feature(cxx_noexcept)
43     {
44         typedef std::unordered_map<MoveOnly, MoveOnly> C;
45         static_assert(std::is_nothrow_destructible<C>::value, "");
46     }
47     {
48         typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>,
49                            std::equal_to<MoveOnly>, test_allocator<std::pair<const MoveOnly, MoveOnly>>> C;
50         static_assert(std::is_nothrow_destructible<C>::value, "");
51     }
52     {
53         typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>,
54                           std::equal_to<MoveOnly>, other_allocator<std::pair<const MoveOnly, MoveOnly>>> C;
55         static_assert(std::is_nothrow_destructible<C>::value, "");
56     }
57     {
58         typedef std::unordered_map<MoveOnly, MoveOnly, some_hash<MoveOnly>> C;
59         static_assert(!std::is_nothrow_destructible<C>::value, "");
60     }
61     {
62         typedef std::unordered_map<MoveOnly, MoveOnly, std::hash<MoveOnly>,
63                                                          some_comp<MoveOnly>> C;
64         static_assert(!std::is_nothrow_destructible<C>::value, "");
65     }
66 #endif
67 }
68