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// 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_multimap
16
17// template <class P,
18// class = typename enable_if<is_convertible<P, value_type>::value>::type>
19// iterator insert(P&& x);
20
21#include <unordered_map>
22#include <cassert>
23
24#include "test_macros.h"
25#include "MoveOnly.h"
26#include "min_allocator.h"
27
28int main(int, char**) {
29 {
30 typedef std::unordered_multimap<double, int> C;
31 typedef C::iterator R;
32 typedef std::pair<double, short> P;
33 C c;
34 R r = c.insert(x: P(3.5, static_cast<short>(3)));
35 assert(c.size() == 1);
36 assert(r->first == 3.5);
37 assert(r->second == 3);
38
39 r = c.insert(x: P(3.5, static_cast<short>(4)));
40 assert(c.size() == 2);
41 assert(r->first == 3.5);
42 assert(r->second == 4);
43
44 r = c.insert(x: P(4.5, static_cast<short>(4)));
45 assert(c.size() == 3);
46 assert(r->first == 4.5);
47 assert(r->second == 4);
48
49 r = c.insert(x: P(5.5, static_cast<short>(4)));
50 assert(c.size() == 4);
51 assert(r->first == 5.5);
52 assert(r->second == 4);
53 }
54 {
55 typedef std::unordered_multimap<MoveOnly, MoveOnly> C;
56 typedef C::iterator R;
57 typedef std::pair<MoveOnly, MoveOnly> P;
58 C c;
59 R r = c.insert(P(3, 3));
60 assert(c.size() == 1);
61 assert(r->first == 3);
62 assert(r->second == 3);
63
64 r = c.insert(P(3, 4));
65 assert(c.size() == 2);
66 assert(r->first == 3);
67 assert(r->second == 4);
68
69 r = c.insert(P(4, 4));
70 assert(c.size() == 3);
71 assert(r->first == 4);
72 assert(r->second == 4);
73
74 r = c.insert(P(5, 4));
75 assert(c.size() == 4);
76 assert(r->first == 5);
77 assert(r->second == 4);
78 }
79 {
80 typedef std::unordered_multimap<double,
81 int,
82 std::hash<double>,
83 std::equal_to<double>,
84 min_allocator<std::pair<const double, int>>>
85 C;
86 typedef C::iterator R;
87 typedef std::pair<double, short> P;
88 C c;
89 R r = c.insert(P(3.5, static_cast<short>(3)));
90 assert(c.size() == 1);
91 assert(r->first == 3.5);
92 assert(r->second == 3);
93
94 r = c.insert(P(3.5, static_cast<short>(4)));
95 assert(c.size() == 2);
96 assert(r->first == 3.5);
97 assert(r->second == 4);
98
99 r = c.insert(P(4.5, static_cast<short>(4)));
100 assert(c.size() == 3);
101 assert(r->first == 4.5);
102 assert(r->second == 4);
103
104 r = c.insert(P(5.5, static_cast<short>(4)));
105 assert(c.size() == 4);
106 assert(r->first == 5.5);
107 assert(r->second == 4);
108 }
109 {
110 typedef std::unordered_multimap<MoveOnly,
111 MoveOnly,
112 std::hash<MoveOnly>,
113 std::equal_to<MoveOnly>,
114 min_allocator<std::pair<const MoveOnly, MoveOnly>>>
115 C;
116 typedef C::iterator R;
117 typedef std::pair<MoveOnly, MoveOnly> P;
118 C c;
119 R r = c.insert(P(3, 3));
120 assert(c.size() == 1);
121 assert(r->first == 3);
122 assert(r->second == 3);
123
124 r = c.insert(P(3, 4));
125 assert(c.size() == 2);
126 assert(r->first == 3);
127 assert(r->second == 4);
128
129 r = c.insert(P(4, 4));
130 assert(c.size() == 3);
131 assert(r->first == 4);
132 assert(r->second == 4);
133
134 r = c.insert(P(5, 4));
135 assert(c.size() == 4);
136 assert(r->first == 5);
137 assert(r->second == 4);
138 }
139 {
140 typedef std::unordered_multimap<double, MoveOnly> C;
141 typedef C::iterator R;
142 C c;
143 R r = c.insert({3.5, 3});
144 assert(c.size() == 1);
145 assert(r->first == 3.5);
146 assert(r->second == 3);
147
148 r = c.insert({3.5, 4});
149 assert(c.size() == 2);
150 assert(r->first == 3.5);
151 assert(r->second == 4);
152
153 r = c.insert({4.5, 4});
154 assert(c.size() == 3);
155 assert(r->first == 4.5);
156 assert(r->second == 4);
157
158 r = c.insert({5.5, 4});
159 assert(c.size() == 4);
160 assert(r->first == 5.5);
161 assert(r->second == 4);
162 }
163
164 return 0;
165}
166

source code of libcxx/test/std/containers/unord/unord.multimap/unord.multimap.modifiers/insert_rvalue.pass.cpp