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 // <map>
10 
11 // class multimap
12 
13 // template <class InputIterator>
14 //   void insert(InputIterator first, InputIterator last);
15 
16 #include <map>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 #include "test_iterators.h"
21 #include "min_allocator.h"
22 
23 int main(int, char**)
24 {
25     {
26         typedef std::multimap<int, double> M;
27         typedef std::pair<int, double> P;
28         P ar[] =
29         {
30             P(1, 1),
31             P(1, 1.5),
32             P(1, 2),
33             P(2, 1),
34             P(2, 1.5),
35             P(2, 2),
36             P(3, 1),
37             P(3, 1.5),
38             P(3, 2),
39         };
40         M m;
41         m.insert(cpp17_input_iterator<P*>(ar), cpp17_input_iterator<P*>(ar + sizeof(ar)/sizeof(ar[0])));
42         assert(m.size() == 9);
43         assert(m.begin()->first == 1);
44         assert(m.begin()->second == 1);
45         assert(std::next(m.begin())->first == 1);
46         assert(std::next(m.begin())->second == 1.5);
47         assert(std::next(m.begin(), 2)->first == 1);
48         assert(std::next(m.begin(), 2)->second == 2);
49         assert(std::next(m.begin(), 3)->first == 2);
50         assert(std::next(m.begin(), 3)->second == 1);
51         assert(std::next(m.begin(), 4)->first == 2);
52         assert(std::next(m.begin(), 4)->second == 1.5);
53         assert(std::next(m.begin(), 5)->first == 2);
54         assert(std::next(m.begin(), 5)->second == 2);
55         assert(std::next(m.begin(), 6)->first == 3);
56         assert(std::next(m.begin(), 6)->second == 1);
57         assert(std::next(m.begin(), 7)->first == 3);
58         assert(std::next(m.begin(), 7)->second == 1.5);
59         assert(std::next(m.begin(), 8)->first == 3);
60         assert(std::next(m.begin(), 8)->second == 2);
61     }
62 #if TEST_STD_VER >= 11
63     {
64         typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
65         typedef std::pair<int, double> P;
66         P ar[] =
67         {
68             P(1, 1),
69             P(1, 1.5),
70             P(1, 2),
71             P(2, 1),
72             P(2, 1.5),
73             P(2, 2),
74             P(3, 1),
75             P(3, 1.5),
76             P(3, 2),
77         };
78         M m;
79         m.insert(cpp17_input_iterator<P*>(ar), cpp17_input_iterator<P*>(ar + sizeof(ar)/sizeof(ar[0])));
80         assert(m.size() == 9);
81         assert(m.begin()->first == 1);
82         assert(m.begin()->second == 1);
83         assert(std::next(m.begin())->first == 1);
84         assert(std::next(m.begin())->second == 1.5);
85         assert(std::next(m.begin(), 2)->first == 1);
86         assert(std::next(m.begin(), 2)->second == 2);
87         assert(std::next(m.begin(), 3)->first == 2);
88         assert(std::next(m.begin(), 3)->second == 1);
89         assert(std::next(m.begin(), 4)->first == 2);
90         assert(std::next(m.begin(), 4)->second == 1.5);
91         assert(std::next(m.begin(), 5)->first == 2);
92         assert(std::next(m.begin(), 5)->second == 2);
93         assert(std::next(m.begin(), 6)->first == 3);
94         assert(std::next(m.begin(), 6)->second == 1);
95         assert(std::next(m.begin(), 7)->first == 3);
96         assert(std::next(m.begin(), 7)->second == 1.5);
97         assert(std::next(m.begin(), 8)->first == 3);
98         assert(std::next(m.begin(), 8)->second == 2);
99     }
100 #endif
101 
102   return 0;
103 }
104