xref: /llvm-project/libcxx/test/std/containers/unord/unord.multimap/equal_range.transparent.pass.cpp (revision d5db71d19f11d7c31257066aea6bd41ef04f28b7)
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 // pair<iterator, iterator> equal_range(const K& k);
17 
18 // UNSUPPORTED: c++03, c++11, c++14, c++17
19 
20 #include <unordered_map>
21 
22 #include "test_transparent_unordered.h"
23 
main(int,char **)24 int main(int, char**)
25 {
26     using key_type = StoredType<int>;
27 
28     {
29       // Make sure conversions don't happen for transparent non-final hasher and key_equal
30       using M = unord_map_type<std::unordered_multimap, transparent_hash, std::equal_to<>>;
31       test_transparent_equal_range<M>({{1, 2}, {1, 3}, {2, 3}});
32       test_transparent_equal_range<const M>({{1, 2}, {1, 3}, {2, 3}});
33     }
34 
35     {
36       // Make sure conversions don't happen for transparent final hasher and key_equal
37       using M = unord_map_type<std::unordered_multimap, transparent_hash_final, transparent_equal_final>;
38       test_transparent_equal_range<M>({{1, 2}, {1, 3}, {2, 3}});
39       test_transparent_equal_range<const M>({{1, 2}, {1, 3}, {2, 3}});
40     }
41 
42     {
43       // Make sure conversions do happen for non-transparent hasher
44       using M = unord_map_type<std::unordered_multimap, non_transparent_hash, std::equal_to<>>;
45       test_non_transparent_equal_range<M>({{1, 2}, {1, 3}, {2, 3}});
46       test_non_transparent_equal_range<const M>({{1, 2}, {1, 3}, {2, 3}});
47     }
48 
49     {
50       // Make sure conversions do happen for non-transparent key_equal
51       using M = unord_map_type<std::unordered_multimap, transparent_hash, std::equal_to<key_type>>;
52       test_non_transparent_equal_range<M>({{1, 2}, {1, 3}, {2, 3}});
53       test_non_transparent_equal_range<const M>({{1, 2}, {1, 3}, {2, 3}});
54     }
55 
56     {
57       // Make sure conversions do happen for both non-transparent hasher and key_equal
58       using M = unord_map_type<std::unordered_multimap, non_transparent_hash, std::equal_to<key_type>>;
59       test_non_transparent_equal_range<M>({{1, 2}, {1, 3}, {2, 3}});
60       test_non_transparent_equal_range<const M>({{1, 2}, {1, 3}, {2, 3}});
61     }
62 
63     return 0;
64 }
65