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_set>
11 
12 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
13 //           class Alloc = allocator<Value>>
14 // class unordered_set
15 
16 // unordered_set(size_type n, const hasher& hf, const key_equal& eql, const allocator_type& a);
17 
18 #include <unordered_set>
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_set<NotConstructible,
31                                    test_hash<std::hash<NotConstructible> >,
32                                    test_compare<std::equal_to<NotConstructible> >,
33                                    test_allocator<NotConstructible>
34                                    > C;
35         C c(7,
36             test_hash<std::hash<NotConstructible> >(8),
37             test_compare<std::equal_to<NotConstructible> >(9),
38             test_allocator<NotConstructible>(10)
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() == (test_allocator<NotConstructible>(10)));
44         assert(c.size() == 0);
45         assert(c.empty());
46         assert(std::distance(c.begin(), c.end()) == 0);
47         assert(c.load_factor() == 0);
48         assert(c.max_load_factor() == 1);
49     }
50 #if __cplusplus >= 201103L
51     {
52         typedef std::unordered_set<NotConstructible,
53                                    test_hash<std::hash<NotConstructible> >,
54                                    test_compare<std::equal_to<NotConstructible> >,
55                                    min_allocator<NotConstructible>
56                                    > C;
57         C c(7,
58             test_hash<std::hash<NotConstructible> >(8),
59             test_compare<std::equal_to<NotConstructible> >(9),
60             min_allocator<NotConstructible>()
61            );
62         assert(c.bucket_count() == 7);
63         assert(c.hash_function() == test_hash<std::hash<NotConstructible> >(8));
64         assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >(9));
65         assert(c.get_allocator() == (min_allocator<NotConstructible>()));
66         assert(c.size() == 0);
67         assert(c.empty());
68         assert(std::distance(c.begin(), c.end()) == 0);
69         assert(c.load_factor() == 0);
70         assert(c.max_load_factor() == 1);
71     }
72 #endif
73 }
74