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 map
13
14 // size_type size() const;
15
16 #include <map>
17 #include <cassert>
18
19 #include "min_allocator.h"
20
main()21 int main()
22 {
23 {
24 typedef std::map<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::map<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