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 // UNSUPPORTED: c++03
10 
11 // <map>
12 
13 // class multimap
14 
15 // template <class P>
16 //   iterator insert(P&& p);
17 
18 #include <map>
19 #include <cassert>
20 
21 #include "MoveOnly.h"
22 #include "min_allocator.h"
23 #include "test_macros.h"
24 
25 template <class Container>
26 void do_insert_rv_test()
27 {
28     typedef std::multimap<int, MoveOnly> M;
29     typedef typename M::iterator R;
30     typedef typename M::value_type VT;
31     M m;
32     R r = m.insert(VT(2, 2));
33     assert(r == m.begin());
34     assert(m.size() == 1);
35     assert(r->first == 2);
36     assert(r->second == 2);
37 
38     r = m.insert(VT(1, 1));
39     assert(r == m.begin());
40     assert(m.size() == 2);
41     assert(r->first == 1);
42     assert(r->second == 1);
43 
44     r = m.insert(VT(3, 3));
45     assert(r == std::prev(m.end()));
46     assert(m.size() == 3);
47     assert(r->first == 3);
48     assert(r->second == 3);
49 
50     r = m.insert(VT(3, 3));
51     assert(r == std::prev(m.end()));
52     assert(m.size() == 4);
53     assert(r->first == 3);
54     assert(r->second == 3);
55 }
56 
57 int main(int, char**)
58 {
59     do_insert_rv_test<std::multimap<int, MoveOnly>>();
60     {
61         typedef std::multimap<int, MoveOnly, std::less<int>, min_allocator<std::pair<const int, MoveOnly>>> M;
62         do_insert_rv_test<M>();
63     }
64     {
65         typedef std::multimap<int, MoveOnly> M;
66         typedef M::iterator R;
67         M m;
68         R r = m.insert({2, MoveOnly(2)});
69         assert(r == m.begin());
70         assert(m.size() == 1);
71         assert(r->first == 2);
72         assert(r->second == 2);
73 
74         r = m.insert({1, MoveOnly(1)});
75         assert(r == m.begin());
76         assert(m.size() == 2);
77         assert(r->first == 1);
78         assert(r->second == 1);
79 
80         r = m.insert({3, MoveOnly(3)});
81         assert(r == std::prev(m.end()));
82         assert(m.size() == 3);
83         assert(r->first == 3);
84         assert(r->second == 3);
85 
86         r = m.insert({3, MoveOnly(3)});
87         assert(r == std::prev(m.end()));
88         assert(m.size() == 4);
89         assert(r->first == 3);
90         assert(r->second == 3);
91     }
92 
93   return 0;
94 }
95