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 multimap
12 
13 // template <class InputIterator>
14 //     multimap(InputIterator first, InputIterator last,
15 //              const key_compare& comp, const allocator_type& a);
16 
17 #include <map>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 #include "../../../test_compare.h"
22 #include "test_allocator.h"
23 #include "min_allocator.h"
24 
main(int,char **)25 int main(int, char**)
26 {
27     {
28     typedef std::pair<const int, double> V;
29     V ar[] =
30     {
31         V(1, 1),
32         V(1, 1.5),
33         V(1, 2),
34         V(2, 1),
35         V(2, 1.5),
36         V(2, 2),
37         V(3, 1),
38         V(3, 1.5),
39         V(3, 2),
40     };
41     typedef test_compare<std::less<int> > C;
42     typedef test_allocator<V> A;
43     std::multimap<int, double, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(7));
44     assert(m.get_allocator() == A(7));
45     assert(m.key_comp() == C(5));
46     assert(m.size() == 9);
47     assert(distance(m.begin(), m.end()) == 9);
48     assert(*m.begin() == V(1, 1));
49     assert(*next(m.begin()) == V(1, 1.5));
50     assert(*next(m.begin(), 2) == V(1, 2));
51     assert(*next(m.begin(), 3) == V(2, 1));
52     assert(*next(m.begin(), 4) == V(2, 1.5));
53     assert(*next(m.begin(), 5) == V(2, 2));
54     assert(*next(m.begin(), 6) == V(3, 1));
55     assert(*next(m.begin(), 7) == V(3, 1.5));
56     assert(*next(m.begin(), 8) == V(3, 2));
57     }
58 #if TEST_STD_VER >= 11
59     {
60     typedef std::pair<const int, double> V;
61     V ar[] =
62     {
63         V(1, 1),
64         V(1, 1.5),
65         V(1, 2),
66         V(2, 1),
67         V(2, 1.5),
68         V(2, 2),
69         V(3, 1),
70         V(3, 1.5),
71         V(3, 2),
72     };
73     typedef test_compare<std::less<int> > C;
74     typedef min_allocator<V> A;
75     std::multimap<int, double, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A());
76     assert(m.get_allocator() == A());
77     assert(m.key_comp() == C(5));
78     assert(m.size() == 9);
79     assert(distance(m.begin(), m.end()) == 9);
80     assert(*m.begin() == V(1, 1));
81     assert(*next(m.begin()) == V(1, 1.5));
82     assert(*next(m.begin(), 2) == V(1, 2));
83     assert(*next(m.begin(), 3) == V(2, 1));
84     assert(*next(m.begin(), 4) == V(2, 1.5));
85     assert(*next(m.begin(), 5) == V(2, 2));
86     assert(*next(m.begin(), 6) == V(3, 1));
87     assert(*next(m.begin(), 7) == V(3, 1.5));
88     assert(*next(m.begin(), 8) == V(3, 2));
89     }
90     {
91     typedef std::pair<const int, double> V;
92     V ar[] =
93     {
94         V(1, 1),
95         V(1, 1.5),
96         V(1, 2),
97         V(2, 1),
98         V(2, 1.5),
99         V(2, 2),
100         V(3, 1),
101         V(3, 1.5),
102         V(3, 2),
103     };
104     typedef test_compare<std::less<int> > C;
105     typedef explicit_allocator<V> A;
106     std::multimap<int, double, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A{});
107     assert(m.get_allocator() == A{});
108     assert(m.key_comp() == C(5));
109     assert(m.size() == 9);
110     assert(distance(m.begin(), m.end()) == 9);
111     assert(*m.begin() == V(1, 1));
112     assert(*next(m.begin()) == V(1, 1.5));
113     assert(*next(m.begin(), 2) == V(1, 2));
114     assert(*next(m.begin(), 3) == V(2, 1));
115     assert(*next(m.begin(), 4) == V(2, 1.5));
116     assert(*next(m.begin(), 5) == V(2, 2));
117     assert(*next(m.begin(), 6) == V(3, 1));
118     assert(*next(m.begin(), 7) == V(3, 1.5));
119     assert(*next(m.begin(), 8) == V(3, 2));
120     }
121 #endif
122 
123   return 0;
124 }
125