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// size_type size() const;
15
16#include <map>
17#include <cassert>
18
19#include "min_allocator.h"
20
21int main()
22{
23    {
24    typedef std::multimap<int, double> M;
25    M m;
26    assert(m.size() == 0);
27    m.insert(M::value_type(2, 1.5));
28    assert(m.size() == 1);
29    m.insert(M::value_type(1, 1.5));
30    assert(m.size() == 2);
31    m.insert(M::value_type(3, 1.5));
32    assert(m.size() == 3);
33    m.erase(m.begin());
34    assert(m.size() == 2);
35    m.erase(m.begin());
36    assert(m.size() == 1);
37    m.erase(m.begin());
38    assert(m.size() == 0);
39    }
40#if __cplusplus >= 201103L
41    {
42    typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
43    M m;
44    assert(m.size() == 0);
45    m.insert(M::value_type(2, 1.5));
46    assert(m.size() == 1);
47    m.insert(M::value_type(1, 1.5));
48    assert(m.size() == 2);
49    m.insert(M::value_type(3, 1.5));
50    assert(m.size() == 3);
51    m.erase(m.begin());
52    assert(m.size() == 2);
53    m.erase(m.begin());
54    assert(m.size() == 1);
55    m.erase(m.begin());
56    assert(m.size() == 0);
57    }
58#endif
59}
60