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 // mapped_type& operator[](key_type&& k);
15 
16 #include <map>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 #include "MoveOnly.h"
21 #include "min_allocator.h"
22 
main()23 int main()
24 {
25 #if TEST_STD_VER >= 11
26     {
27     std::map<MoveOnly, double> m;
28     assert(m.size() == 0);
29     assert(m[1] == 0.0);
30     assert(m.size() == 1);
31     m[1] = -1.5;
32     assert(m[1] == -1.5);
33     assert(m.size() == 1);
34     assert(m[6] == 0);
35     assert(m.size() == 2);
36     m[6] = 6.5;
37     assert(m[6] == 6.5);
38     assert(m.size() == 2);
39     }
40     {
41     typedef std::pair<MoveOnly, double> V;
42     std::map<MoveOnly, double, std::less<MoveOnly>, min_allocator<V>> m;
43     assert(m.size() == 0);
44     assert(m[1] == 0.0);
45     assert(m.size() == 1);
46     m[1] = -1.5;
47     assert(m[1] == -1.5);
48     assert(m.size() == 1);
49     assert(m[6] == 0);
50     assert(m.size() == 2);
51     m[6] = 6.5;
52     assert(m[6] == 6.5);
53     assert(m.size() == 2);
54     }
55 #endif
56 }
57