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_iterator position, const value_type& v);
15
16 #include <map>
17 #include <cassert>
18
19 #include "test_macros.h"
20 #include "min_allocator.h"
21
22 template <class Container>
do_insert_hint_test()23 void do_insert_hint_test()
24 {
25 typedef Container M;
26 typedef typename M::iterator R;
27 typedef typename M::value_type VT;
28 M m;
29 const VT v1(2, 2.5);
30 R r = m.insert(m.end(), v1);
31 assert(r == m.begin());
32 assert(m.size() == 1);
33 assert(r->first == 2);
34 assert(r->second == 2.5);
35
36 const VT v2(1, 1.5);
37 r = m.insert(m.end(), v2);
38 assert(r == m.begin());
39 assert(m.size() == 2);
40 assert(r->first == 1);
41 assert(r->second == 1.5);
42
43 const VT v3(3, 3.5);
44 r = m.insert(m.end(), v3);
45 assert(r == prev(m.end()));
46 assert(m.size() == 3);
47 assert(r->first == 3);
48 assert(r->second == 3.5);
49
50 const VT v4(3, 4.5);
51 r = m.insert(prev(m.end()), v4);
52 assert(r == prev(m.end(), 2));
53 assert(m.size() == 4);
54 assert(r->first == 3);
55 assert(r->second == 4.5);
56 }
57
main()58 int main()
59 {
60 do_insert_hint_test<std::multimap<int, double> >();
61 #if TEST_STD_VER >= 11
62 {
63 typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
64 do_insert_hint_test<M>();
65 }
66 #endif
67 }
68