insert_cv.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
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
19int main()
20{
21    {
22        typedef std::multimap<int, double> M;
23        typedef M::iterator R;
24        M m;
25        R r = m.insert(M::value_type(2, 2.5));
26        assert(r == m.begin());
27        assert(m.size() == 1);
28        assert(r->first == 2);
29        assert(r->second == 2.5);
30
31        r = m.insert(M::value_type(1, 1.5));
32        assert(r == m.begin());
33        assert(m.size() == 2);
34        assert(r->first == 1);
35        assert(r->second == 1.5);
36
37        r = m.insert(M::value_type(3, 3.5));
38        assert(r == prev(m.end()));
39        assert(m.size() == 3);
40        assert(r->first == 3);
41        assert(r->second == 3.5);
42
43        r = m.insert(M::value_type(3, 3.5));
44        assert(r == prev(m.end()));
45        assert(m.size() == 4);
46        assert(r->first == 3);
47        assert(r->second == 3.5);
48    }
49}
50