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 | // iterator begin() {return __table_.begin();} |
16 | // iterator end() {return __table_.end();} |
17 | // const_iterator begin() const {return __table_.begin();} |
18 | // const_iterator end() const {return __table_.end();} |
19 | // const_iterator cbegin() const {return __table_.begin();} |
20 | // const_iterator cend() const {return __table_.end();} |
21 | |
22 | #include <unordered_map> |
23 | #include <string> |
24 | #include <cassert> |
25 | #include <cstddef> |
26 | |
27 | #include "test_macros.h" |
28 | #include "min_allocator.h" |
29 | |
30 | int main(int, char**) { |
31 | { |
32 | typedef std::unordered_multimap<int, std::string> C; |
33 | typedef std::pair<int, std::string> P; |
34 | P a[] = { |
35 | P(1, "one" ), |
36 | P(2, "two" ), |
37 | P(3, "three" ), |
38 | P(4, "four" ), |
39 | P(1, "four" ), |
40 | P(2, "four" ), |
41 | }; |
42 | C c(a, a + sizeof(a) / sizeof(a[0])); |
43 | assert(c.bucket_count() >= 7); |
44 | assert(c.size() == 6); |
45 | assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); |
46 | assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size()); |
47 | C::iterator i; |
48 | i = c.begin(); |
49 | i->second = "ONE" ; |
50 | assert(i->second == "ONE" ); |
51 | } |
52 | { |
53 | typedef std::unordered_multimap<int, std::string> C; |
54 | typedef std::pair<int, std::string> P; |
55 | P a[] = { |
56 | P(1, "one" ), |
57 | P(2, "two" ), |
58 | P(3, "three" ), |
59 | P(4, "four" ), |
60 | P(1, "four" ), |
61 | P(2, "four" ), |
62 | }; |
63 | const C c(a, a + sizeof(a) / sizeof(a[0])); |
64 | assert(c.bucket_count() >= 7); |
65 | assert(c.size() == 6); |
66 | assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); |
67 | assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size()); |
68 | C::const_iterator i; |
69 | } |
70 | #if TEST_STD_VER >= 11 |
71 | { |
72 | typedef std::unordered_multimap<int, |
73 | std::string, |
74 | std::hash<int>, |
75 | std::equal_to<int>, |
76 | min_allocator<std::pair<const int, std::string>>> |
77 | C; |
78 | typedef std::pair<int, std::string> P; |
79 | P a[] = { |
80 | P(1, "one" ), |
81 | P(2, "two" ), |
82 | P(3, "three" ), |
83 | P(4, "four" ), |
84 | P(1, "four" ), |
85 | P(2, "four" ), |
86 | }; |
87 | C c(a, a + sizeof(a) / sizeof(a[0])); |
88 | assert(c.bucket_count() >= 7); |
89 | assert(c.size() == 6); |
90 | assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); |
91 | assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size()); |
92 | C::iterator i; |
93 | i = c.begin(); |
94 | i->second = "ONE" ; |
95 | assert(i->second == "ONE" ); |
96 | } |
97 | { |
98 | typedef std::unordered_multimap<int, |
99 | std::string, |
100 | std::hash<int>, |
101 | std::equal_to<int>, |
102 | min_allocator<std::pair<const int, std::string>>> |
103 | C; |
104 | typedef std::pair<int, std::string> P; |
105 | P a[] = { |
106 | P(1, "one" ), |
107 | P(2, "two" ), |
108 | P(3, "three" ), |
109 | P(4, "four" ), |
110 | P(1, "four" ), |
111 | P(2, "four" ), |
112 | }; |
113 | const C c(a, a + sizeof(a) / sizeof(a[0])); |
114 | assert(c.bucket_count() >= 7); |
115 | assert(c.size() == 6); |
116 | assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); |
117 | assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size()); |
118 | C::const_iterator i; |
119 | } |
120 | #endif |
121 | #if TEST_STD_VER > 11 |
122 | { // N3644 testing |
123 | typedef std::unordered_multimap<int, double> C; |
124 | C::iterator ii1{}, ii2{}; |
125 | C::iterator ii4 = ii1; |
126 | C::const_iterator cii{}; |
127 | assert(ii1 == ii2); |
128 | assert(ii1 == ii4); |
129 | |
130 | assert(!(ii1 != ii2)); |
131 | |
132 | assert((ii1 == cii)); |
133 | assert((cii == ii1)); |
134 | assert(!(ii1 != cii)); |
135 | assert(!(cii != ii1)); |
136 | } |
137 | #endif |
138 | |
139 | return 0; |
140 | } |
141 | |