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 // <map>
10 
11 // ~map() // implied noexcept;
12 
13 // UNSUPPORTED: c++03
14 
15 #include <map>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 #include "MoveOnly.h"
20 #include "test_allocator.h"
21 
22 template <class T>
23 struct some_comp
24 {
25     typedef T value_type;
26     ~some_comp() noexcept(false);
27     bool operator()(const T&, const T&) const noexcept { return false; }
28 };
29 
30 int main(int, char**)
31 {
32     typedef std::pair<const MoveOnly, MoveOnly> V;
33     {
34         typedef std::map<MoveOnly, MoveOnly> C;
35         static_assert(std::is_nothrow_destructible<C>::value, "");
36     }
37     {
38         typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<V>> C;
39         static_assert(std::is_nothrow_destructible<C>::value, "");
40     }
41     {
42         typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<V>> C;
43         static_assert(std::is_nothrow_destructible<C>::value, "");
44     }
45 #if defined(_LIBCPP_VERSION)
46     {
47         typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
48         static_assert(!std::is_nothrow_destructible<C>::value, "");
49     }
50 #endif // _LIBCPP_VERSION
51 
52   return 0;
53 }
54