1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <unordered_map>
11
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
15
16// void insert(initializer_list<value_type> il);
17
18#include <unordered_map>
19#include <string>
20#include <cassert>
21
22#include "test_iterators.h"
23#include "min_allocator.h"
24
25int main()
26{
27#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
28    {
29        typedef std::unordered_multimap<int, std::string> C;
30        typedef std::pair<int, std::string> P;
31        C c;
32        c.insert(
33                    {
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                );
42        assert(c.size() == 6);
43        typedef std::pair<C::iterator, C::iterator> Eq;
44        Eq eq = c.equal_range(1);
45        assert(std::distance(eq.first, eq.second) == 2);
46        C::iterator k = eq.first;
47        assert(k->first == 1);
48        assert(k->second == "one");
49        ++k;
50        assert(k->first == 1);
51        assert(k->second == "four");
52        eq = c.equal_range(2);
53        assert(std::distance(eq.first, eq.second) == 2);
54        k = eq.first;
55        assert(k->first == 2);
56        assert(k->second == "two");
57        ++k;
58        assert(k->first == 2);
59        assert(k->second == "four");
60        eq = c.equal_range(3);
61        assert(std::distance(eq.first, eq.second) == 1);
62        k = eq.first;
63        assert(k->first == 3);
64        assert(k->second == "three");
65        eq = c.equal_range(4);
66        assert(std::distance(eq.first, eq.second) == 1);
67        k = eq.first;
68        assert(k->first == 4);
69        assert(k->second == "four");
70        assert(std::distance(c.begin(), c.end()) == c.size());
71        assert(std::distance(c.cbegin(), c.cend()) == c.size());
72    }
73#if __cplusplus >= 201103L
74    {
75        typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
76                            min_allocator<std::pair<const int, std::string>>> C;
77        typedef std::pair<int, std::string> P;
78        C c;
79        c.insert(
80                    {
81                        P(1, "one"),
82                        P(2, "two"),
83                        P(3, "three"),
84                        P(4, "four"),
85                        P(1, "four"),
86                        P(2, "four"),
87                    }
88                );
89        assert(c.size() == 6);
90        typedef std::pair<C::iterator, C::iterator> Eq;
91        Eq eq = c.equal_range(1);
92        assert(std::distance(eq.first, eq.second) == 2);
93        C::iterator k = eq.first;
94        assert(k->first == 1);
95        assert(k->second == "one");
96        ++k;
97        assert(k->first == 1);
98        assert(k->second == "four");
99        eq = c.equal_range(2);
100        assert(std::distance(eq.first, eq.second) == 2);
101        k = eq.first;
102        assert(k->first == 2);
103        assert(k->second == "two");
104        ++k;
105        assert(k->first == 2);
106        assert(k->second == "four");
107        eq = c.equal_range(3);
108        assert(std::distance(eq.first, eq.second) == 1);
109        k = eq.first;
110        assert(k->first == 3);
111        assert(k->second == "three");
112        eq = c.equal_range(4);
113        assert(std::distance(eq.first, eq.second) == 1);
114        k = eq.first;
115        assert(k->first == 4);
116        assert(k->second == "four");
117        assert(std::distance(c.begin(), c.end()) == c.size());
118        assert(std::distance(c.cbegin(), c.cend()) == c.size());
119    }
120#endif
121#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
122}
123