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 <class InputIterator> |
16 | // void insert(InputIterator first, InputIterator last); |
17 | |
18 | #include <unordered_map> |
19 | #include <string> |
20 | #include <set> |
21 | #include <cassert> |
22 | #include <cstddef> |
23 | |
24 | #include "test_macros.h" |
25 | #include "../../../check_consecutive.h" |
26 | #include "test_iterators.h" |
27 | #include "min_allocator.h" |
28 | |
29 | int main(int, char**) { |
30 | { |
31 | typedef std::unordered_multimap<int, std::string> C; |
32 | typedef std::pair<int, std::string> P; |
33 | P a[] = { |
34 | P(1, "one" ), |
35 | P(2, "two" ), |
36 | P(3, "three" ), |
37 | P(4, "four" ), |
38 | P(1, "four" ), |
39 | P(2, "four" ), |
40 | }; |
41 | C c; |
42 | c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a) / sizeof(a[0]))); |
43 | assert(c.size() == 6); |
44 | typedef std::pair<C::iterator, C::iterator> Eq; |
45 | Eq eq = c.equal_range(x: 1); |
46 | assert(std::distance(eq.first, eq.second) == 2); |
47 | std::multiset<std::string> s; |
48 | s.insert(x: "one" ); |
49 | s.insert(x: "four" ); |
50 | CheckConsecutiveKeys<C::const_iterator>(pos: c.find(x: 1), end: c.end(), key: 1, values&: s); |
51 | eq = c.equal_range(x: 2); |
52 | assert(std::distance(eq.first, eq.second) == 2); |
53 | s.insert(x: "two" ); |
54 | s.insert(x: "four" ); |
55 | CheckConsecutiveKeys<C::const_iterator>(pos: c.find(x: 2), end: c.end(), key: 2, values&: s); |
56 | eq = c.equal_range(x: 3); |
57 | assert(std::distance(eq.first, eq.second) == 1); |
58 | C::iterator k = eq.first; |
59 | assert(k->first == 3); |
60 | assert(k->second == "three" ); |
61 | eq = c.equal_range(x: 4); |
62 | assert(std::distance(eq.first, eq.second) == 1); |
63 | k = eq.first; |
64 | assert(k->first == 4); |
65 | assert(k->second == "four" ); |
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 | } |
69 | #if TEST_STD_VER >= 11 |
70 | { |
71 | typedef std::unordered_multimap<int, |
72 | std::string, |
73 | std::hash<int>, |
74 | std::equal_to<int>, |
75 | min_allocator<std::pair<const int, std::string>>> |
76 | C; |
77 | typedef std::pair<int, std::string> P; |
78 | P a[] = { |
79 | P(1, "one" ), |
80 | P(2, "two" ), |
81 | P(3, "three" ), |
82 | P(4, "four" ), |
83 | P(1, "four" ), |
84 | P(2, "four" ), |
85 | }; |
86 | C c; |
87 | c.insert(cpp17_input_iterator<P*>(a), cpp17_input_iterator<P*>(a + sizeof(a) / sizeof(a[0]))); |
88 | assert(c.size() == 6); |
89 | typedef std::pair<C::iterator, C::iterator> Eq; |
90 | Eq eq = c.equal_range(1); |
91 | assert(std::distance(eq.first, eq.second) == 2); |
92 | std::multiset<std::string> s; |
93 | s.insert("one" ); |
94 | s.insert("four" ); |
95 | CheckConsecutiveKeys<C::const_iterator>(c.find(1), c.end(), 1, s); |
96 | eq = c.equal_range(2); |
97 | assert(std::distance(eq.first, eq.second) == 2); |
98 | s.insert("two" ); |
99 | s.insert("four" ); |
100 | CheckConsecutiveKeys<C::const_iterator>(c.find(2), c.end(), 2, s); |
101 | eq = c.equal_range(3); |
102 | assert(std::distance(eq.first, eq.second) == 1); |
103 | C::iterator k = eq.first; |
104 | assert(k->first == 3); |
105 | assert(k->second == "three" ); |
106 | eq = c.equal_range(4); |
107 | assert(std::distance(eq.first, eq.second) == 1); |
108 | k = eq.first; |
109 | assert(k->first == 4); |
110 | assert(k->second == "four" ); |
111 | assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size()); |
112 | assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size()); |
113 | } |
114 | #endif |
115 | |
116 | return 0; |
117 | } |
118 | |