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 // <map>
11 
12 // class multimap
13 
14 // iterator insert(const value_type& v);
15 
16 #include <map>
17 #include <cassert>
18 
19 #include "../../../min_allocator.h"
20 
21 int main()
22 {
23     {
24         typedef std::multimap<int, double> M;
25         typedef M::iterator R;
26         M m;
27         R r = m.insert(M::value_type(2, 2.5));
28         assert(r == m.begin());
29         assert(m.size() == 1);
30         assert(r->first == 2);
31         assert(r->second == 2.5);
32 
33         r = m.insert(M::value_type(1, 1.5));
34         assert(r == m.begin());
35         assert(m.size() == 2);
36         assert(r->first == 1);
37         assert(r->second == 1.5);
38 
39         r = m.insert(M::value_type(3, 3.5));
40         assert(r == prev(m.end()));
41         assert(m.size() == 3);
42         assert(r->first == 3);
43         assert(r->second == 3.5);
44 
45         r = m.insert(M::value_type(3, 3.5));
46         assert(r == prev(m.end()));
47         assert(m.size() == 4);
48         assert(r->first == 3);
49         assert(r->second == 3.5);
50     }
51 #if __cplusplus >= 201103L
52     {
53         typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
54         typedef M::iterator R;
55         M m;
56         R r = m.insert(M::value_type(2, 2.5));
57         assert(r == m.begin());
58         assert(m.size() == 1);
59         assert(r->first == 2);
60         assert(r->second == 2.5);
61 
62         r = m.insert(M::value_type(1, 1.5));
63         assert(r == m.begin());
64         assert(m.size() == 2);
65         assert(r->first == 1);
66         assert(r->second == 1.5);
67 
68         r = m.insert(M::value_type(3, 3.5));
69         assert(r == prev(m.end()));
70         assert(m.size() == 3);
71         assert(r->first == 3);
72         assert(r->second == 3.5);
73 
74         r = m.insert(M::value_type(3, 3.5));
75         assert(r == prev(m.end()));
76         assert(m.size() == 4);
77         assert(r->first == 3);
78         assert(r->second == 3.5);
79     }
80 #endif
81 }
82