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