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_multimap
14
15// template <typename K>
16// bool contains(const K& x) const;
17
18// UNSUPPORTED: c++03, c++11, c++14, c++17
19
20#include <unordered_map>
21#include "test_transparent_unordered.h"
22
23int main(int, char**)
24{
25 using key_type = StoredType<int>;
26
27 {
28 // Make sure conversions don't happen for transparent non-final hasher and key_equal
29 using M = unord_map_type<std::unordered_multimap, transparent_hash, std::equal_to<>>;
30 test_transparent_contains<M>({{1, 2}, {1, 3}, {2, 3}});
31 test_transparent_contains<const M>({{1, 2}, {1, 3}, {2, 3}});
32 }
33
34 {
35 // Make sure conversions don't happen for transparent final hasher and key_equal
36 using M = unord_map_type<std::unordered_multimap, transparent_hash_final, transparent_equal_final>;
37 test_transparent_contains<M>({{1, 2}, {1, 3}, {2, 3}});
38 test_transparent_contains<const M>({{1, 2}, {1, 3}, {2, 3}});
39 }
40
41 {
42 // Make sure conversions do happen for non-transparent hasher
43 using M = unord_map_type<std::unordered_multimap, non_transparent_hash, std::equal_to<>>;
44 test_non_transparent_contains<M>({{1, 2}, {1, 3}, {2, 3}});
45 test_non_transparent_contains<const M>({{1, 2}, {1, 3}, {2, 3}});
46 }
47
48 {
49 // Make sure conversions do happen for non-transparent key_equal
50 using M = unord_map_type<std::unordered_multimap, transparent_hash, std::equal_to<key_type>>;
51 test_non_transparent_contains<M>({{1, 2}, {1, 3}, {2, 3}});
52 test_non_transparent_contains<const M>({{1, 2}, {1, 3}, {2, 3}});
53 }
54
55 {
56 // Make sure conversions do happen for both non-transparent hasher and key_equal
57 using M = unord_map_type<std::unordered_multimap, non_transparent_hash, std::equal_to<key_type>>;
58 test_non_transparent_contains<M>({{1, 2}, {1, 3}, {2, 3}});
59 test_non_transparent_contains<const M>({{1, 2}, {1, 3}, {2, 3}});
60 }
61
62 return 0;
63}
64

source code of libcxx/test/std/containers/unord/unord.multimap/contains.transparent.pass.cpp