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_map> |
10 | |
11 | // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, |
12 | // class Alloc = allocator<pair<const Key, T>>> |
13 | // class unordered_map |
14 | |
15 | // Validate the constructors of the (const)(_local)_iterator classes to be |
16 | // properly guarded against ADL-hijacking operator&. |
17 | |
18 | #include <unordered_map> |
19 | |
20 | #include "test_macros.h" |
21 | #include "operator_hijacker.h" |
22 | |
23 | template <class ToIterator, class FromIterator> |
24 | void test() { |
25 | FromIterator from; |
26 | ToIterator copy(from); |
27 | copy = from; |
28 | |
29 | ToIterator move(std::move(from)); |
30 | from = FromIterator(); |
31 | move = std::move(from); |
32 | } |
33 | |
34 | void test() { |
35 | { |
36 | using I = std::unordered_map<operator_hijacker, operator_hijacker>::iterator; |
37 | using CI = std::unordered_map<operator_hijacker, operator_hijacker>::const_iterator; |
38 | test<I, I>(); |
39 | test<CI, I>(); |
40 | test<CI, CI>(); |
41 | } |
42 | { |
43 | using IL = std::unordered_map<operator_hijacker, operator_hijacker>::local_iterator; |
44 | using CIL = std::unordered_map<operator_hijacker, operator_hijacker>::const_local_iterator; |
45 | test<IL, IL>(); |
46 | test<CIL, IL>(); |
47 | test<CIL, CIL>(); |
48 | } |
49 | } |
50 | |