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);
16
17 #include <map>
18 #include <cassert>
19
20 #include "test_macros.h"
21 #include "../../../test_compare.h"
22 #include "min_allocator.h"
23
main(int,char **)24 int main(int, char**)
25 {
26 {
27 typedef std::pair<const int, double> V;
28 V ar[] =
29 {
30 V(1, 1),
31 V(1, 1.5),
32 V(1, 2),
33 V(2, 1),
34 V(2, 1.5),
35 V(2, 2),
36 V(3, 1),
37 V(3, 1.5),
38 V(3, 2),
39 };
40 typedef test_less<int> C;
41 std::multimap<int, double, C> m(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5));
42 assert(m.key_comp() == C(5));
43 assert(m.size() == 9);
44 assert(std::distance(m.begin(), m.end()) == 9);
45 assert(*m.begin() == V(1, 1));
46 assert(*std::next(m.begin()) == V(1, 1.5));
47 assert(*std::next(m.begin(), 2) == V(1, 2));
48 assert(*std::next(m.begin(), 3) == V(2, 1));
49 assert(*std::next(m.begin(), 4) == V(2, 1.5));
50 assert(*std::next(m.begin(), 5) == V(2, 2));
51 assert(*std::next(m.begin(), 6) == V(3, 1));
52 assert(*std::next(m.begin(), 7) == V(3, 1.5));
53 assert(*std::next(m.begin(), 8) == V(3, 2));
54 }
55 #if TEST_STD_VER >= 11
56 {
57 typedef std::pair<const int, double> V;
58 V ar[] =
59 {
60 V(1, 1),
61 V(1, 1.5),
62 V(1, 2),
63 V(2, 1),
64 V(2, 1.5),
65 V(2, 2),
66 V(3, 1),
67 V(3, 1.5),
68 V(3, 2),
69 };
70 typedef test_less<int> C;
71 std::multimap<int, double, C, min_allocator<V>> m(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5));
72 assert(m.key_comp() == C(5));
73 assert(m.size() == 9);
74 assert(std::distance(m.begin(), m.end()) == 9);
75 assert(*m.begin() == V(1, 1));
76 assert(*std::next(m.begin()) == V(1, 1.5));
77 assert(*std::next(m.begin(), 2) == V(1, 2));
78 assert(*std::next(m.begin(), 3) == V(2, 1));
79 assert(*std::next(m.begin(), 4) == V(2, 1.5));
80 assert(*std::next(m.begin(), 5) == V(2, 2));
81 assert(*std::next(m.begin(), 6) == V(3, 1));
82 assert(*std::next(m.begin(), 7) == V(3, 1.5));
83 assert(*std::next(m.begin(), 8) == V(3, 2));
84 }
85 #endif
86
87 return 0;
88 }
89