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 // <unordered_set>
10
11 // ~unordered_set() // implied noexcept;
12
13 // UNSUPPORTED: c++03
14
15 #include <unordered_set>
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);
operator ()some_comp27 bool operator()(const T&, const T&) const { return false; }
28 };
29
30 template <class T>
31 struct some_hash
32 {
33 typedef T value_type;
34 some_hash();
35 some_hash(const some_hash&);
36 ~some_hash() noexcept(false);
37 std::size_t operator()(T const&) const;
38 };
39
main(int,char **)40 int main(int, char**)
41 {
42 {
43 typedef std::unordered_set<MoveOnly> C;
44 static_assert(std::is_nothrow_destructible<C>::value, "");
45 }
46 {
47 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>,
48 std::equal_to<MoveOnly>, test_allocator<MoveOnly>> C;
49 static_assert(std::is_nothrow_destructible<C>::value, "");
50 }
51 {
52 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>,
53 std::equal_to<MoveOnly>, other_allocator<MoveOnly>> C;
54 static_assert(std::is_nothrow_destructible<C>::value, "");
55 }
56 #if defined(_LIBCPP_VERSION)
57 {
58 typedef std::unordered_set<MoveOnly, some_hash<MoveOnly>> C;
59 static_assert(!std::is_nothrow_destructible<C>::value, "");
60 }
61 {
62 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>,
63 some_comp<MoveOnly>> C;
64 static_assert(!std::is_nothrow_destructible<C>::value, "");
65 }
66 #endif // _LIBCPP_VERSION
67
68 return 0;
69 }
70