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 // <unordered_map>
11 
12 // template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
13 //           class Alloc = allocator<pair<const Key, T>>>
14 // class unordered_map
15 
16 // unordered_map(size_type n, const hasher& hf, const key_equal& eql);
17 
18 #include <unordered_map>
19 #include <cassert>
20 
21 #include "../../../NotConstructible.h"
22 #include "../../../test_compare.h"
23 #include "../../../test_hash.h"
24 #include "../../../test_allocator.h"
25 #include "../../../min_allocator.h"
26 
27 int main()
28 {
29     {
30         typedef std::unordered_map<NotConstructible, NotConstructible,
31                                    test_hash<std::hash<NotConstructible> >,
32                                    test_compare<std::equal_to<NotConstructible> >,
33                                    test_allocator<std::pair<const NotConstructible,
34                                                                   NotConstructible> >
35                                    > C;
36         C c(7,
37             test_hash<std::hash<NotConstructible> >(8),
38             test_compare<std::equal_to<NotConstructible> >(9)
39            );
40         assert(c.bucket_count() == 7);
41         assert(c.hash_function() == test_hash<std::hash<NotConstructible> >(8));
42         assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >(9));
43         assert(c.get_allocator() ==
44                (test_allocator<std::pair<const NotConstructible, NotConstructible> >()));
45         assert(c.size() == 0);
46         assert(c.empty());
47         assert(std::distance(c.begin(), c.end()) == 0);
48         assert(c.load_factor() == 0);
49         assert(c.max_load_factor() == 1);
50     }
51 #if __cplusplus >= 201103L
52     {
53         typedef std::unordered_map<NotConstructible, NotConstructible,
54                                    test_hash<std::hash<NotConstructible> >,
55                                    test_compare<std::equal_to<NotConstructible> >,
56                                    min_allocator<std::pair<const NotConstructible,
57                                                                  NotConstructible> >
58                                    > C;
59         C c(7,
60             test_hash<std::hash<NotConstructible> >(8),
61             test_compare<std::equal_to<NotConstructible> >(9)
62            );
63         assert(c.bucket_count() == 7);
64         assert(c.hash_function() == test_hash<std::hash<NotConstructible> >(8));
65         assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >(9));
66         assert(c.get_allocator() ==
67                (min_allocator<std::pair<const NotConstructible, NotConstructible> >()));
68         assert(c.size() == 0);
69         assert(c.empty());
70         assert(std::distance(c.begin(), c.end()) == 0);
71         assert(c.load_factor() == 0);
72         assert(c.max_load_factor() == 1);
73     }
74 #endif
75 }
76