dtor_noexcept.pass.cpp revision 1b92188a82b01e76ac6e8ad5f997293c2a078adc
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
22template <class T>
23struct some_comp
24{
25    typedef T value_type;
26    ~some_comp() noexcept(false);
27};
28
29template <class T>
30struct 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
40int 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