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 map
12 
13 // template <class InputIterator>
14 //     map(InputIterator first, InputIterator last, const key_compare& comp);
15 
16 #include <map>
17 #include <cassert>
18 
19 #include "../../../test_compare.h"
20 #include "min_allocator.h"
21 
22 int main(int, char**)
23 {
24     {
25     typedef std::pair<const int, double> V;
26     V ar[] =
27     {
28         V(1, 1),
29         V(1, 1.5),
30         V(1, 2),
31         V(2, 1),
32         V(2, 1.5),
33         V(2, 2),
34         V(3, 1),
35         V(3, 1.5),
36         V(3, 2),
37     };
38     typedef test_compare<std::less<int> > C;
39     std::map<int, double, C> m(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5));
40     assert(m.key_comp() == C(5));
41     assert(m.size() == 3);
42     assert(distance(m.begin(), m.end()) == 3);
43     assert(*m.begin() == V(1, 1));
44     assert(*next(m.begin()) == V(2, 1));
45     assert(*next(m.begin(), 2) == V(3, 1));
46     }
47 #if TEST_STD_VER >= 11
48     {
49     typedef std::pair<const int, double> V;
50     V ar[] =
51     {
52         V(1, 1),
53         V(1, 1.5),
54         V(1, 2),
55         V(2, 1),
56         V(2, 1.5),
57         V(2, 2),
58         V(3, 1),
59         V(3, 1.5),
60         V(3, 2),
61     };
62     typedef test_compare<std::less<int> > C;
63     std::map<int, double, C, min_allocator<std::pair<const int, double>>> m(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5));
64     assert(m.key_comp() == C(5));
65     assert(m.size() == 3);
66     assert(distance(m.begin(), m.end()) == 3);
67     assert(*m.begin() == V(1, 1));
68     assert(*next(m.begin()) == V(2, 1));
69     assert(*next(m.begin(), 2) == V(3, 1));
70     }
71 #endif
72 
73   return 0;
74 }
75