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 multimap
13 
14 // multimap& operator=(initializer_list<value_type> il);
15 
16 #include <map>
17 #include <cassert>
18 
19 #include "min_allocator.h"
20 
main()21 int main()
22 {
23 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
24     {
25     typedef std::multimap<int, double> C;
26     typedef C::value_type V;
27     C m = {{20, 1}};
28     m =
29            {
30                {1, 1},
31                {1, 1.5},
32                {1, 2},
33                {2, 1},
34                {2, 1.5},
35                {2, 2},
36                {3, 1},
37                {3, 1.5},
38                {3, 2}
39            };
40     assert(m.size() == 9);
41     assert(distance(m.begin(), m.end()) == 9);
42     C::const_iterator i = m.cbegin();
43     assert(*i == V(1, 1));
44     assert(*++i == V(1, 1.5));
45     assert(*++i == V(1, 2));
46     assert(*++i == V(2, 1));
47     assert(*++i == V(2, 1.5));
48     assert(*++i == V(2, 2));
49     assert(*++i == V(3, 1));
50     assert(*++i == V(3, 1.5));
51     assert(*++i == V(3, 2));
52     }
53 #if __cplusplus >= 201103L
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(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 #endif
84 #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
85 }
86