1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <map>
10 
11 // class map
12 
13 // pair<iterator, bool> insert(const value_type& v);
14 
15 #include <map>
16 #include <cassert>
17 
18 #include "test_macros.h"
19 #include "min_allocator.h"
20 
21 template <class Container>
22 void do_insert_cv_test()
23 {
24     typedef Container M;
25     typedef std::pair<typename M::iterator, bool> R;
26     typedef typename M::value_type VT;
27     M m;
28 
29     const VT v1(2, 2.5);
30     R r = m.insert(v1);
31     assert(r.second);
32     assert(r.first == m.begin());
33     assert(m.size() == 1);
34     assert(r.first->first == 2);
35     assert(r.first->second == 2.5);
36 
37     const VT v2(1, 1.5);
38     r = m.insert(v2);
39     assert(r.second);
40     assert(r.first == m.begin());
41     assert(m.size() == 2);
42     assert(r.first->first == 1);
43     assert(r.first->second == 1.5);
44 
45     const VT v3(3, 3.5);
46     r = m.insert(v3);
47     assert(r.second);
48     assert(r.first == prev(m.end()));
49     assert(m.size() == 3);
50     assert(r.first->first == 3);
51     assert(r.first->second == 3.5);
52 
53     const VT v4(3, 4.5);
54     r = m.insert(v4);
55     assert(!r.second);
56     assert(r.first == prev(m.end()));
57     assert(m.size() == 3);
58     assert(r.first->first == 3);
59     assert(r.first->second == 3.5);
60 }
61 
62 int main(int, char**)
63 {
64     do_insert_cv_test<std::map<int, double> >();
65 #if TEST_STD_VER >= 11
66     {
67         typedef std::map<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> M;
68         do_insert_cv_test<M>();
69     }
70 #endif
71 
72   return 0;
73 }
74