1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
13 // class Alloc = allocator<pair<const Key, T>>>
14 // class unordered_multimap
16 // template <class InputIterator>
17 // unordered_multimap(InputIterator first, InputIterator last, size_type n,
20 #include <unordered_map>
25 #include "test_iterators.h"
26 #include "../../../NotConstructible.h"
27 #include "../../../test_compare.h"
28 #include "../../../test_hash.h"
29 #include "test_allocator.h"
30 #include "min_allocator.h"
35 typedef std::unordered_multimap<int, std::string,
36 test_hash<std::hash<int> >,
37 test_compare<std::equal_to<int> >,
38 test_allocator<std::pair<const int, std::string> >
40 typedef std::pair<int, std::string> P;
50 C c(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])),
52 test_hash<std::hash<int> >(8)
54 assert(c.bucket_count() == 7);
55 assert(c.size() == 6);
56 typedef std::pair<C::const_iterator, C::const_iterator> Eq;
57 Eq eq = c.equal_range(1);
58 assert(std::distance(eq.first, eq.second) == 2);
59 C::const_iterator i = eq.first;
60 assert(i->first == 1);
61 assert(i->second == "one");
63 assert(i->first == 1);
64 assert(i->second == "four");
65 eq = c.equal_range(2);
66 assert(std::distance(eq.first, eq.second) == 2);
68 assert(i->first == 2);
69 assert(i->second == "two");
71 assert(i->first == 2);
72 assert(i->second == "four");
74 eq = c.equal_range(3);
75 assert(std::distance(eq.first, eq.second) == 1);
77 assert(i->first == 3);
78 assert(i->second == "three");
79 eq = c.equal_range(4);
80 assert(std::distance(eq.first, eq.second) == 1);
82 assert(i->first == 4);
83 assert(i->second == "four");
84 assert(std::distance(c.begin(), c.end()) == c.size());
85 assert(std::distance(c.cbegin(), c.cend()) == c.size());
86 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
87 assert(c.max_load_factor() == 1);
88 assert(c.hash_function() == test_hash<std::hash<int> >(8));
89 assert(c.key_eq() == test_compare<std::equal_to<int> >());
90 assert((c.get_allocator() == test_allocator<std::pair<const int, std::string> >()));
92 #if __cplusplus >= 201103L
94 typedef std::unordered_multimap<int, std::string,
95 test_hash<std::hash<int> >,
96 test_compare<std::equal_to<int> >,
97 min_allocator<std::pair<const int, std::string> >
99 typedef std::pair<int, std::string> P;
109 C c(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])),
111 test_hash<std::hash<int> >(8)
113 assert(c.bucket_count() == 7);
114 assert(c.size() == 6);
115 typedef std::pair<C::const_iterator, C::const_iterator> Eq;
116 Eq eq = c.equal_range(1);
117 assert(std::distance(eq.first, eq.second) == 2);
118 C::const_iterator i = eq.first;
119 assert(i->first == 1);
120 assert(i->second == "one");
122 assert(i->first == 1);
123 assert(i->second == "four");
124 eq = c.equal_range(2);
125 assert(std::distance(eq.first, eq.second) == 2);
127 assert(i->first == 2);
128 assert(i->second == "two");
130 assert(i->first == 2);
131 assert(i->second == "four");
133 eq = c.equal_range(3);
134 assert(std::distance(eq.first, eq.second) == 1);
136 assert(i->first == 3);
137 assert(i->second == "three");
138 eq = c.equal_range(4);
139 assert(std::distance(eq.first, eq.second) == 1);
141 assert(i->first == 4);
142 assert(i->second == "four");
143 assert(std::distance(c.begin(), c.end()) == c.size());
144 assert(std::distance(c.cbegin(), c.cend()) == c.size());
145 assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
146 assert(c.max_load_factor() == 1);
147 assert(c.hash_function() == test_hash<std::hash<int> >(8));
148 assert(c.key_eq() == test_compare<std::equal_to<int> >());
149 assert((c.get_allocator() == min_allocator<std::pair<const int, std::string> >()));