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
22template <class T>
23struct some_comp
24{
25 typedef T value_type;
26 ~some_comp() noexcept(false);
27 bool operator()(const T&, const T&) const { return false; }
28};
29
30template <class T>
31struct 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
40int 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

source code of libcxx/test/std/containers/unord/unord.set/unord.set.cnstr/dtor_noexcept.pass.cpp