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// UNSUPPORTED: c++03, c++11, c++14
10
11// <unordered_map>
12
13// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
14// class Alloc = allocator<pair<const Key, T>>>
15// class unordered_map
16
17// template <class... Args>
18// iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args);
19// template <class... Args>
20// iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args);
21// template <class M>
22
23// Validate whether the operation properly guards against ADL-hijacking operator&
24
25#include <unordered_map>
26
27#include "test_macros.h"
28#include "operator_hijacker.h"
29
30void test() {
31 std::unordered_map<operator_hijacker, operator_hijacker> m;
32 {
33 const operator_hijacker k;
34 m.try_emplace(m.cend(), k);
35 }
36 {
37 operator_hijacker k;
38 m.try_emplace(m.cend(), std::move(k));
39 }
40}
41

source code of libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/try_emplace_hint.addressof.compile.pass.cpp