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
10
11// <unordered_map>
12
13// void swap(unordered_map& c)
14// noexcept(allocator_traits<Allocator>::is_always_equal::value &&
15// noexcept(swap(declval<Hash&>(), declval<Hash&>())) &&
16// noexcept(swap(declval<Pred&>(), declval<Pred&>())));
17
18// Validate whether the operation properly guards against ADL-hijacking operator&
19
20#include <unordered_map>
21
22#include "test_macros.h"
23#include "operator_hijacker.h"
24
25void test() {
26 std::unordered_map<operator_hijacker, operator_hijacker> m1;
27 std::unordered_map<operator_hijacker, operator_hijacker> m2;
28 std::swap(m1, m2);
29}
30

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