size_hash_equal.pass.cpp revision 7a6b7cedcb3359ad7d77e355b02ab982d9d2b25b 
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
27int 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