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 // multimap& operator=(initializer_list<value_type> il);
16 
17 #include <map>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 #include "min_allocator.h"
22 
main(int,char **)23 int main(int, char**)
24 {
25     {
26     typedef std::multimap<int, double> C;
27     typedef C::value_type V;
28     C m = {{20, 1}};
29     m =
30            {
31                {1, 1},
32                {1, 1.5},
33                {1, 2},
34                {2, 1},
35                {2, 1.5},
36                {2, 2},
37                {3, 1},
38                {3, 1.5},
39                {3, 2}
40            };
41     assert(m.size() == 9);
42     assert(std::distance(m.begin(), m.end()) == 9);
43     C::const_iterator i = m.cbegin();
44     assert(*i == V(1, 1));
45     assert(*++i == V(1, 1.5));
46     assert(*++i == V(1, 2));
47     assert(*++i == V(2, 1));
48     assert(*++i == V(2, 1.5));
49     assert(*++i == V(2, 2));
50     assert(*++i == V(3, 1));
51     assert(*++i == V(3, 1.5));
52     assert(*++i == V(3, 2));
53     }
54     {
55     typedef std::multimap<int, double, std::less<int>, min_allocator<std::pair<const int, double>>> C;
56     typedef C::value_type V;
57     C m = {{20, 1}};
58     m =
59            {
60                {1, 1},
61                {1, 1.5},
62                {1, 2},
63                {2, 1},
64                {2, 1.5},
65                {2, 2},
66                {3, 1},
67                {3, 1.5},
68                {3, 2}
69            };
70     assert(m.size() == 9);
71     assert(std::distance(m.begin(), m.end()) == 9);
72     C::const_iterator i = m.cbegin();
73     assert(*i == V(1, 1));
74     assert(*++i == V(1, 1.5));
75     assert(*++i == V(1, 2));
76     assert(*++i == V(2, 1));
77     assert(*++i == V(2, 1.5));
78     assert(*++i == V(2, 2));
79     assert(*++i == V(3, 1));
80     assert(*++i == V(3, 1.5));
81     assert(*++i == V(3, 2));
82     }
83 
84   return 0;
85 }
86