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// template <class InputIterator>
17//     void insert(InputIterator first, InputIterator last);
18
19#include <unordered_map>
20#include <string>
21#include <cassert>
22#include <cstddef>
23
24#include "test_iterators.h"
25#include "min_allocator.h"
26
27int main()
28{
29    {
30        typedef std::unordered_multimap<int, std::string> C;
31        typedef std::pair<int, std::string> P;
32        P a[] =
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        C c;
42        c.insert(input_iterator<P*>(a), 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(1);
46        assert(std::distance(eq.first, eq.second) == 2);
47        C::iterator k = eq.first;
48        assert(k->first == 1);
49        assert(k->second == "one");
50        ++k;
51        assert(k->first == 1);
52        assert(k->second == "four");
53        eq = c.equal_range(2);
54        assert(std::distance(eq.first, eq.second) == 2);
55        k = eq.first;
56        assert(k->first == 2);
57        assert(k->second == "two");
58        ++k;
59        assert(k->first == 2);
60        assert(k->second == "four");
61        eq = c.equal_range(3);
62        assert(std::distance(eq.first, eq.second) == 1);
63        k = eq.first;
64        assert(k->first == 3);
65        assert(k->second == "three");
66        eq = c.equal_range(4);
67        assert(std::distance(eq.first, eq.second) == 1);
68        k = eq.first;
69        assert(k->first == 4);
70        assert(k->second == "four");
71        assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size());
72        assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size());
73    }
74#if TEST_STD_VER >= 11
75    {
76        typedef std::unordered_multimap<int, std::string, std::hash<int>, std::equal_to<int>,
77                            min_allocator<std::pair<const int, std::string>>> C;
78        typedef std::pair<int, std::string> P;
79        P a[] =
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        C c;
89        c.insert(input_iterator<P*>(a), input_iterator<P*>(a + sizeof(a)/sizeof(a[0])));
90        assert(c.size() == 6);
91        typedef std::pair<C::iterator, C::iterator> Eq;
92        Eq eq = c.equal_range(1);
93        assert(std::distance(eq.first, eq.second) == 2);
94        C::iterator k = eq.first;
95        assert(k->first == 1);
96        assert(k->second == "one");
97        ++k;
98        assert(k->first == 1);
99        assert(k->second == "four");
100        eq = c.equal_range(2);
101        assert(std::distance(eq.first, eq.second) == 2);
102        k = eq.first;
103        assert(k->first == 2);
104        assert(k->second == "two");
105        ++k;
106        assert(k->first == 2);
107        assert(k->second == "four");
108        eq = c.equal_range(3);
109        assert(std::distance(eq.first, eq.second) == 1);
110        k = eq.first;
111        assert(k->first == 3);
112        assert(k->second == "three");
113        eq = c.equal_range(4);
114        assert(std::distance(eq.first, eq.second) == 1);
115        k = eq.first;
116        assert(k->first == 4);
117        assert(k->second == "four");
118        assert(static_cast<std::size_t>(std::distance(c.begin(), c.end())) == c.size());
119        assert(static_cast<std::size_t>(std::distance(c.cbegin(), c.cend())) == c.size());
120    }
121#endif
122}
123